Welcome to the Voltage Drop Calculator website. • We would probably select a minimum 15 KW three phase generator, producing 52 amps (per phase). Determine and collect the prospective AC UPS loads 2. Learn more about the capacity market at the Learning Center. Determine approximate square pattern from Table 1 of Blaster’s Guide, or multiply the number ob. MOTOR FULL -LOAD AMPERES Basic Fan Laws Variation Fan Speed Change Density Change Volume Varies Directly with Speed R atio %(/ 6 L %(/ 5 @ Ë É Æ. ) x Height (ft. Record the test duration and calculate the battery capacity. 6/14/02 Chapter 3: NEC CODE Rules. The full load current calculator calculates the full load current from the following parameters: Voltage (V): Specify phase-to-phase ( VLL) voltage for a 3-phase AC supply in. Select 11 Watt 22 Watt. You would like to test a load impedance of 100 ohms. 16 per year since the UPS efficiency loss now only makes up $8,691. Load flow simulation 3. 1 Advantages of this method p. Calculating the K-Factor. Note that any transformers and other electrical distribution losses between the UPS. It is the responsibility of the customer to specify the required motor Hp, Torque and accelerating time for his application. Many designers view IGBT as a device with MOS input characteristics and bipolar output characteristic that is a voltage-controlled bipolar device. We use a load resistance R load, to load the signal source impedance Z source. The charging used in this design is the constant voltage method, which means that. % Capacity utilization is : Duration % Capacity utilization. The load profile for this case is demonstrated in the figure right and the following parameters were computed:. The calories burned calculator calculates an estimate of the number of calories burned for a wide range of activities. Here is the Peukert's equation, where n - Peukert's exponent Cp - Peukert's capacity. Towing operations involve the pulling of a vessel (it can be a barge, ship or an offshore structure) using another vessel (usually a tug). 50 x 100 = 50%. Electrical Design Manual. Interest Credit A borrower who initially received subsidy in the form of interest credit can continue. The building has a 3 phase power supply and has a total load of 50kW of work and has a power factor of 0. While batteries are listed with a nominal charge capacity, their actual capacity varies strongly with the load presented to the battery. Don't worry readers, now I will let you know that simple formula! Formula to Calculate the Back-up Time of Inverter Battery. Below is a free cash flow example. If, however there are windows you need to take the size and orientation into account. , to protect people and property. If you have any questions, or would like some additions to this calculator please drop me a mail [email protected] 2 = A constant used to de-rate the battery to assure a 5-year life. All Overtime Calculations are based on the rules stated in the NLCA, the JCAM and the F-21(Timekeeping Rules and Procedures). EG: Say a house used 238 therms of gas between. 96 of the total electrical operational cost. The answer. This is done by (240 volts x 2%) or 4. UPS systems such as the PowerWAVE 9000DPA Series are configured by plugging up to five modules into a 19" rack to meet the capacity and redundancy requirement of the application load. Often times they have an inverter that is adequately rated to take care of a particular load (in terms of rating) however, due to wrong cable section, the entire. Manual Load sheets involve a pro forma calculation of Maximum Ramp Weight (MRW), Maximum Take Off Weight (MTOW) and Maximum Landing Weight (MLW) whilst the centre of gravity is located by marking the requisite aircraft operating weight (vertical scale) on a ‘drop line’ located on a centre of gravity ‘index’ scale which forms the horizontal axis. Formulas are the key to getting things done in Excel. Load shedding is the operation of temporarily reducing the supply of electricity to an area, to avoid overloading the generators. Using Method 1: Enter the number and volume of containers used for the chosen material, as well as the number of pick-ups per week into the yellow cells under the applicable bin type(s). Select 11 Watt 22 Watt. Schaaf1), J. Calculate Required UPS Size Phase Required 1 3 Volts Required. To calculate the appropriate standard deviation, do the following: 1. available to simplify the load calculations specified in Manual J. This is a linear calculation which can be used for both inbound and outbound call centers. Since specified performance is desired, these calculations assume that VOL is less than VIL. UPS Calculator Total: Item: Reference: Size Required: UPS Requirements Calculator Voltage: No of items: Wattage Amps: VA: PS5000SM PS3000SM Minutes Required: DVRPLATINUM Notes: Please fill in the White boxes as per your requirements. The foundation is a part of the building that. Historically, the size, spacing and type of ties have been entirely empirical. Electro-static shield What You Should Remember 1. The calculator recommends batteries based on your inputs and the results are ranked according to cycle life performance. And know you will be able to calculate the load of 3 phase motor by using the above load current formula. So, if a battery has 10 Ampere hour rating, it will last for 10 hours if it takes 1 Amperes of current. The largest shipping rate search engine. 2 No's of 1Ph, 230V, 3000Watt Air Condition, Diversity Factor is…. Voltage loss or drops through incorrectly sized cables are one of the most common reasons for low voltage (12V. 75 KVA is equal to 75,000 VA. Planned Production Time. GenSizer TM requires Internet Explorer 8. 5 n/a 19 General lighting and receptaclesper 1000 ft2 3 24. Don’t worry readers, now I will let you know that simple formula! Formula to Calculate the Back-up Time of Inverter Battery. The typical table is for 12 V batteries (six cells of 2 V each). #N#Converting kVA to kW. 5 kip per joist Wind load = 27. For motors, see also Motor current calculator. Load shedding is the operation of temporarily reducing the supply of electricity to an area, to avoid overloading the generators. 4KW 400V supply. Use the grand total to select a UPS. Calculate Size of Diesel Generator having following Electrical Load. When finished here, move on below and select your loads. calculated load may be slightly higher than actual, but our calculation will give a reasonable estimate for HVAC system planning purposes. 0 4 7/28/97 Note: The above load loss test is normally run on power transformers having low or normal impedance (less than 10%). The Formula (BTU per Hour) / (1. The impedance is represented by a normalized impedance z. Voltage loss or drops through incorrectly sized cables are one of the most common reasons for low voltage (12V. Description. transformer peak rectifier regulator DC load 120 V RMS transformer : reduces AC amplitude to something safe and manageable. Solar Electric System Design, Operation and Installation An Overview for Builders in the U. Calculator aH TYPICAL POWER CONSUMPTIONS Bullet M5 REMEMBER ! Total current draw Voltage Total watts Backup time required Amps Watts Volts Hours Temperature +12% Degrees C 2) Enter watts 3) Enter duration Derate for temperature: Total Battery aH required Power Rating Watts @24v Formula is current=watts/volts airRouter = 5v supply 1) Choose. Calculate your home or business wattage requirements with our online wattage calculator. UNIT1 Electrician’s Math and. To calculate kVA, you need to enter the known values of voltage and the current into the respective fields. It tells you how much power the battery can provide you, and for what duration of time. pays its employees an average of $70,958 a year. Step 4: This requires multiplying the values of steps 1 through 3 together, resulting in the total incident energy in cal/cm 2 at the specific working distance and arcing time. I want to calculate my UPS needs for my how system, what specifics are needed to accomplish this? I have seen some information on this, but it all makes it sound like I need a ridiculous UPS. The charging used in this design is the constant voltage method, which means that. %R varies from 1. For our example, it is above 85 deg. KUP kVA load calculator. (SECTION 11: LOAD-FLOW ANALYSIS IN POWER SYSTEMS)Galli, Anthony W. Input load KW and load KVAr into Calculator-1 or line-to-line voltage (kV) and current (Amp) into Calculator-2 to calculate Total Power (kVA). The power P in kilowatts (kW) is equal to the current I in amps (A), times the voltage V in volts (V) divided by 1000: The power P in kilowatts (kW) is equal to the power factor PF times the phase current I in amps (A), times the RMS voltage V in. 2 shows the. The total energy requirement of the system (total load) i. HOME UPS INVERTER + SOLAR CHARGER HOW TO CALCULATE YOUR BACKUP TIME 1) Determine you load requirement Watt model the efficiency is rated at 80%. Generally, battery life is calculated based on the current rating in milli Ampere per Hour and it is abbreviated as mAh. Associate Professor, Electrical and Computer Engineering, University of Missouri-Rolla. • Training load chart can be used to calculate estimated 1-repetion maximum (1RM) values from multiple repetitions completed • For example, if an athlete completes 8 repetitions of the squat at 160 lbs, the estimated 1RM would be 200 lbs. It’s also possible to use this formula to find out how much a light bulb or light fixture costs per month. Battery / Lab Load system from a generator. Is it really required to add up the total wattage of equipment for heat load calculation. c) What is the maximum load in each bay of a heavy duty working platform? 675kg (or 6. Watts only equals Volts X Amps when the Power Factor is 1 or unity. The bending moment calculations are based on both the live and dead loads for the bridge. In other words, the mean time between failures is the time from one failure to another. No load condition Operative condition of the generator when it is at nominal speed and voltage in terminals, and is not connected to the electric power system. Software can be delivered to you via email in addition to the hardcopy being shipped to you. There by producing harmonic currents which flows from load to the UPS system. INTRODUCTION TO UNIT 1—ELECTRICIAN'S MATH AND BASIC ELECTRICAL FORMULAS. Measuring IT Load via UPS The UPS output is the first logical place to gather the IT load. How to calculate ups battery backup When I first asked this question myself, a friend of mine kindly sent me to the manual (a joke, obviously). Easy Calculation Yields Load Transient Response. The below estimated torque calculations are only offered as a guide. When calculating short circuit currents, there are usually many impedances that must be added together. For intermittent exposures or exposures at different heat levels throughout a workday, average the temperature over a 60 to 120-minute period, depending on the exposure duration. For example, the formula FedEx uses is height times width times length measured in. minus 2 x E min. With this in mind, let’s use the following examples. Typically, you will be using the ampacity of the load to size the circuit but you may only know the equipments wattage and voltage. Use the standard power formula to calculate amp use: W = V x A. Load Calculation. 2 x (I x H) Where: I = Standby current AH = Ampere-hour rating of battery H = Standby hours 1. Visintini Elettra Synchrotron Light Laboratory, Trieste, Italy Abstract In particle accelerators, rectifiers are u sed to convert the AC voltage into DC or low-frequency AC to supply loads like magnets or klystrons. 732 × 440 V) Current(A) = 65. 3 Calculating the Range of R Pull-up for the TPS62067 Table 1 gives values from the PG output IC’s datasheet (in this case the TPS62067 [SLVS833A]), and Table 2 gives values for the EN input from that IC’s datasheet (also a TPS62067 [SLVS833A]) that are. com's powerful offline functionality enables users to keep working even without a connection. The UPS has two sources of energy: solar energy and AC electrical power to charge the built-in battery of the UPS. Uninterruptible Power Supply (UPS) Computer and Peripheral Network and Server Data Center and Facility 3 Phase UPS Special Applications UPS Management UPS Replacement Batteries Surge Protection and Power Conditioning. The design load combinations of ACI 318 changed from the 1999 to the 2002 edition of that standard. beachsideproduce. Ampere (Volt-Amperes or Current) Converting kW to HP. Calculate Size of Battery Bank and decide Connection of Battery. Please if you are going to help give warnings, give the right information. In the single UPS chain (rectifier, battery and inverter) the reliability of the UPS largely depends on the reliability of the inverter. Head to our electricity main page for. In other words, the mean time between failures is the time from one failure to another. For Example 5KW UPS at 95% efficiency means 0. UPS systems such as the PowerWAVE 9000DPA Series are configured by plugging up to five modules into a 19" rack to meet the capacity and redundancy requirement of the application load. This is accomplished by using a suitable voltage regulator. 416 or 42 percent. Both the distance of the SureTest from the load and branch circuit impedance will affect accuracy. The characteristics of the load that the cable will supply, which includes: Load type: motor or feeder; Three phase, single phase or DC; System / source voltage; Full load current (A) - or calculate this if the load is defined in terms of power (kW) Full load power factor (pu) Locked rotor or load starting current (A) Starting power factor (pu). 15 minutes to 1. 96 of the total electrical operational cost. 4 volts or just 75 watts. INTRODUCTION TO UNIT 1—ELECTRICIAN'S MATH AND BASIC ELECTRICAL FORMULAS. HOME UPS INVERTER + SOLAR CHARGER HOW TO CALCULATE YOUR BACKUP TIME 1) Determine you load requirement Each product you want to backup has it’s power consumption usually printed on the rating label of the unit. The maximum pumping angle, denoted as theta in the calculations, is shown. Multiply the package length (longest side of the package) by the width by the height. parallel operation of ac generators In most generator applications, there is more than one generator operating in parallel to supply power to various loads. Circuit any special equipment f. Use of its content by anyone is the sole responsibility of that person and they assume all risk. Now If you’re doing this for a real world example then I recommend you use a design software such as the Danfoss coolselector app for speed and accuracy. Furthermore, there will be a brief look at the Load Flow Result Analyzer. Battery Life Calculator The Capacity of a battery is defines in terms of Ampere Hour. with a charged battery the battery charging load is negligible. 87 feet for our example. Technical Data Sheet, LP33 Series UPS 80&100kVA, UL listed GENERAL DATA Topology VFI, double conversion Nominal output apparent power kVA 80 kVA 100 kVA Power factor (output) PF 0. Monthly Price = $5. 8 (1 is Full Time Use) 4 No's of 1Ph, 230V, 80Watt CFL Bulbs, Diversity Factor is 0. The capacity of the inverter should be chosen based on how much watt of appliances you power at a time. I2C Bus Pullup Resistor Calculation Application Report SLVA689-February 2015 I2C Bus Pullup Resistor Calculation RajanArora ABSTRACT Pullup resistor calculation for I2C interface is a commonly asked question. When we load weight behind the rear axle (or axles), we unload weight from the front axle. That is because the 900W rating of the load exceeds the Watt rating of the UPS, which is 60% of 1000VA or around 600W. Voltage Drop. The treat-ment throughout the Handbook is practical with very little emphasis on theory. • Training load chart can be used to calculate estimated 1-repetion maximum (1RM) values from multiple repetitions completed • For example, if an athlete completes 8 repetitions of the squat at 160 lbs, the estimated 1RM would be 200 lbs. 2 No's of 1Ph, 230V, 3000Watt Air Condition, Diversity Factor is…. The UPS inverter supplies a constant power (constant wattage) to the critical load. Calculate the ventilation CFM required for an e23T-3 kiln firing at Cone 6 with an outside temperature of 100°F. What are the weight and size limits for shipping using UPS? To measure ground packages use the following formula: Measure the longest side of the package, rounding to the nearest inch. We've put it all into 7 easy steps. Standard Ballistics Calculator. if your using the inverter of 600va it takes the load of 450va for example with losses considerations (12Vx10A) 120W multiply into 4,for 4hours full load concept then loads like 2fan,4tube light example 120AH. The AC UPS sizing calculation determines the ratings for the main AC UPS system components: 1) rectifier, 2) battery banks and 3) inverter. Use our instant freight calculator to begin the process. The motor torque versus speed curve, the load torque versus speed curve, and the current versus speed curve are utilized along with the. It prevents data loss and corruption. UPS Output Cable selection: Since the output of the UPS is rated at 40kVA, and the output will be available as three phase, then the power per phase will be. Hourly pay at United Parcel Service (UPS), Inc. Step 4: This requires multiplying the values of steps 1 through 3 together, resulting in the total incident energy in cal/cm 2 at the specific working distance and arcing time. Excel Formula Training. The calculation of current in a three phase system has been brought up on our site feedback and is a discussion I seem to get involved in every now and again. 96 of the total electrical operational cost. Once you know the volumetric factor based on the type of shipment, measurement units, and freight carrier, take the cubic size of the package and divide that number by the volumetric factor. Calculate a trajectory from bullet, velocity, firearm and atmospheric parameters. Watts = Volts x. Often times they have an inverter that is adequately rated to take care of a particular load (in terms of rating) however, due to wrong cable section, the entire. 3(A) Note b]. If the load is under 20%, no indicator LED will illuminate. * Find out its efficiency (probably from that same cut sheet) and use the following equation: * * watts heat gain = (. PJM's capacity market, called the Reliability Pricing Model, ensures long-term grid reliability by securing the appropriate amount of power supply resources needed to meet predicted energy demand in the future. 2 which states a 3% limit for feeders. But don't worry. If a circuit has much of a load, a larger conductor (that allows less voltage drop) pays for itself many times over in energy savings alone. CFI’s financial model template library has hundreds of free Excel file downloads to help you become a world-class financial analyst. The output voltage is open initially without load as open-circuit voltage V 1 (Switch is open, that means R load is infinity) and then measured as V 2 under load with R load at point IN (Switch is closed). 600Wh capacity - 50% for DOD = 300Wh/ (100W load + 7W losses) = 2. Welcome to the RefurbUPS. (SECTION 20: LIGHTING DESIGN)Chowdhury, Badrul H. The below estimated torque calculations are only offered as a guide. 5 volts (6 amps times 16. It’s also possible to use this formula to find out how much a light bulb or light fixture costs per month. His testing was performed at room temperature and with a load of 0. Moreover, ETAP Load Flow permits the user to choose from three different methods (Gauss-Seidel, Newton-Raphson and Fast Decoupled) in order to achieve the best calculation efficiency. If a redundant system is used, do not include the capacity of the redundant UPS. Transformerless 3 phase UPS from 60kVA to 500 kVA, parallelable up to 5mVA. Purpose of uninterruptible power supply (UPS) The purpose of this publication is to provide guidance for facilities engineers in selecting, installing, and maintaining an uninterruptible power supply (UPS) system after the decision has been made to install it. , DC Amperage): Load describes power consumption. the calculation. Pls make me clear on this. How to Calculate the Apparent Power in kVA. 4 Calculation example p. Multiply the length by the width by the height to obtain the cubic inches (cm). This purely depends up on the load. Therefore the VR of the system can be equated as = Distance Covered by Effort/Distance Covered by Weight = (2 4 – 1)x/x = 2 4 – 1, for the present example which consists of 4 pulleys. 5 metres Factor (0. Electrical Load detail: 2 No of 60W,230V, 0. development of one component of an uninterruptible power supply, the DC-to-AC inverter. Manual for Design and Detailing of Reinforced Concrete to the September 2013 Code of Practice for Structural Use of Concrete 2013 2. You can set properties that apply formatting, determine how the form field information relates to other form fields, impose limitations on what the user can enter in the form field, trigger custom scripts, and so on. Calculate the ventilation CFM required for an e23T-3 kiln firing at Cone 6 with an outside temperature of 100°F. You can modify the quantities and the power ratings of the appliances. Step 5: The selected UPS will show the basic specs, docs and related accessories. What are the weight and size limits for shipping using UPS? To measure ground packages use the following formula: Measure the longest side of the package, rounding to the nearest inch. available to simplify the load calculations specified in Manual J. 1: The total volume of your calculations for single island hood must be multiplied by the factor according to the type of installation (see page 3). If factory overhead is Rs 3, 00,000 and total machine hours are 1,500, the machine hour rate is Rs 200 per machine hour (Rs 3, 00,000 ÷ 1500 hours). As such, this calculator is for sizing purposes only. Do it the old fashioned way! With a few simple questions and calculations, you can identify your power needs and find the right Eaton UPS. 93) of the circuit in question then you need to calculate the following: Apparent Power (S) = real power (W) / PF goal. The total load is 3 x 100W = 300W. There is a common confusion about the difference between the watt and volt-amp (VA) measures for electric power, as well as about power factor. The basic grav-ity load combination changed from 1. Operating conditions directly affect the life of an aluminum electrolytic capacitor. Thus the difference is 74. The mass used in calculating k was not merely the load attached to the bottom of the spring. The appropriate value for the pull-up resistor is limited by two factors. Fleet emission calculations assume the national average of 25. Input load KW and load KVAr into Calculator-1 or line-to-line voltage (kV) and current (Amp) into Calculator-2 to calculate Total Power (kVA). mAh Battery Life Calculator is an online tool used in electrical engineering to precisely calculate battery life. You can set properties that apply formatting, determine how the form field information relates to other form fields, impose limitations on what the user can enter in the form field, trigger custom scripts, and so on. The economy, available equipment and truck drivers, along with diesel fuel price can play into freight rates. Voltage Regulators Surge Protection Devices Hardwire Surge Suppression Audio-Video Solutions. Calculating Amps (where kVA is known) Phase. This online cable size calculator tool makes it easy to establish the correct size of cables for any DC power system. SACE FORMULA range consists of three frame sizes: A1, A2 and A3 up to 630A. for • New Hospitals • Replacement Hospitals • Ambulatory Care • Clinical Additions • Energy Centers • Outpatient Clinics • Animal Research Facilities • Laboratory Buildings Department of. Share: Twitter Facebook LinkedIn Email. Once the total surface area has been determined, the next step is to calculate the heat load produced by the electrical components. UG Cable Size Selection Chart 142 2. An air flow of 1 cfm is heated from 32 to 52oF. Many UPS models continually condition incoming power as well. A set of online calculation tools. Load planning is the detailed. Specification Data For Pipe Guards (Bollards) With increasing threats vehicle barriers are becoming more popular at many facilities such as gas stations, shopping malls, and restaurants etc. handling outside vessel while at sea (offshore cranes), and load handling onboard offshore units/installations (platform cranes). All systems should be thoroughly tested as they are installed to insure that the battery bank is appropriate for the load on site. Many designers view IGBT as a device with MOS input characteristics and bipolar output characteristic that is a voltage-controlled bipolar device. ) capacity 3. #N#Dimension units. The Improving Health Facility Infrastructure (IHFI) project performs load analyses for all project installation sites. SCR power controllers cost less and are more efficient than saturable core reactors and variable transformers. Generally, in-home standard, only a single 12V battery is used. Company Seven is involved not only in providing astronomical and other sensitive gear but we also build astronomical observatories, data centers and control rooms. Calculate UPS autonomy & sizing now. W/m^2 conditions), less any continuous load current, is less than 5 % of the selected battery bank capacity (at the 8 hour discharge rate0). Alternatively, user derived voltage drop limits can be applied. IEEE Recommended Practice for Calculating Short-Circuit Currents in Industrial and Commercial Power Systems Chapter 1 Introduction 1. We've put it all into 7 easy steps. When the DOE (Department of Energy) National fuel index national average falls into one of the following categories, a fuel surcharge will be added to the net charges on a single shipment. Generally, in-home standard, only a single 12V battery is used. GenSizer TM Load Calculations Engineered Exlusively for: Customer Name: All load demands and calculations performed IAW NEC 2008 Article 220. The following formula was used to calculate the standby battery load in Table 0-3: AH = 1. Window Size and Position. 5 amp-hours. Load Rate. The calculations are based on the activities Metabolic Equivalent (MET). As the discharge rate ( Load) increases the battery capacity decereases. Try our Uninterruptible Power Supply Calculator and Selector Tool. Transformer and short circuit calculator that provides base load current and short circuit currents for identified GE transformers. Voltage Drop. We Buy Used & Surplus Generators! Get $$$ for your used power generation equipment. Device input power The amount of power a device turns into work and dissipates as heat is known as real (or true) power and is measured in watts (W). PJM's capacity market, called the Reliability Pricing Model, ensures long-term grid reliability by securing the appropriate amount of power supply resources needed to meet predicted energy demand in the future. Do either of these: If the data table is column-oriented, enter the new formula in a blank cell to the right of an existing formula in the top row of the data table. reinforced concrete tilt-up wall panel with opening in a single-story warehouse (big-box) building provides gravity and lateral load resistance for the following applied loads from four roof joists bearing in wall pockets in addition to the wind: Roof dead load = 2. Download the chart as a CSV or PDF file format. For this example, the Kt factor is determined from curves. It is computed according to a simple formula, and our Dimensional Weight Calculator can help you compute yours. Balance panel i. motor formulas and calculations The formulas and calculations which appear below should be used for estimating purposes only. Both the distance of the SureTest from the load and branch circuit impedance will affect accuracy. 230, 200, 208, 220, 240 Device List. uninterruptible power supply (UPS) needed for a given rack configuration. 67 volts per cell Battery is typically sized for full load of the UPS system. Easy Calculation Yields Load Transient Response. Determine how many batteries are to be charged (1,2,3 or 4) 3. Rated load is a figure provided by the manufacturer in the equipment specifications; measured load is taken from an actual physical measurement of the device's power draw. By this idea, the value of k. 5 volts (6 amps times 16. This distinction is important if the repair time is a significant fraction of MTTF. Smaller typical induction motors exhibit an operating full-load efficiency of approximately 92 percent, whereas large typical induction motors exhibit an operating full-load efficiency of approximately 97. or drop out, some static UPS units to malfunction, overheating, extended load acceleration times, circuit breakers or other protective devices to open and engine-generator shutdowns to operate. Understanding capacity and load becomes necessary if you are planning the electrical service for a new home, or if you are considering an electrical service upgrade to an older home. Some of the factors that can affect a load and make it dynamic include:. Calculate the acceptance value (see Table 2). the calculation. 732 / Voltage = Amperage. However, when broken down into the basic definitions of harmonics and distortion, it becomes much easier to understand. The calculator will automatically fill in material specific conversion factors next to the pull down menu. When the load current in each phase is the same the load is said to be balanced. The below estimated torque calculations are only offered as a guide. If factory overhead is Rs 3, 00,000 and total machine hours are 1,500, the machine hour rate is Rs 200 per machine hour (Rs 3, 00,000 ÷ 1500 hours). We're calculating battery capacity so use battery voltage (e. Principles of Cable Sizing Calculations 1. We Buy Used & Surplus Generators! Get $$$ for your used power generation equipment. Record the test duration and calculate the battery capacity including. However, in some cases the choice of cell range is not obvious and it is necessary to perform the calculation for different ranges in order to find the most cost effective solution. A steam sterilizer dries the load after sterilization by drawing a deep vacuum in the chamber (post- conditioning phase). When designing or installing electrical power supplies for fire pumps and their accessories, you must apply special rules as listed in (NFPA 70), the National Electrical Code (NEC), and the Standard for Centrifugal Fire Pumps (CFP) NFPA 20. These reasons include: • System effi ciency. • Select highest battery capacities per unit to reduce the number of battery strings in parallel for better charge balance. This calculator assumes and adds for. Dimensional Weight (or DIM Weight) is a concept used by shipping carriers for assessing the cost of shipping items that weigh very little on the scale, but take up a lot of space. Generally the entire critical load is served by online UPS s. 5 Examples of short-circuit current calculations p. In this tutorial you will find a simple explanation of AC power calculation, the usage of these quantities in specifying backup energy sources, conversion formulas, and an online calculator. 725) BS 3036 fuse Grouping Thermal insulation Ambient temperature Factor (0. Thus, the new load combinations yield lower design gravity loads than the old combinations. The full load current calculator calculates the full load current from the following parameters: Voltage (V): Specify phase-to-phase ( VLL) voltage for a 3-phase AC supply in. UPS systems provide a buffer between the protected load and the distribution system that serves that load. (3) Load Level Indicators These LED indicators show a visual depiction of the UPS load. pH calculation + virtual titration + acid-base titration curve data analysis + distribution diagram generation + pKa database = The all-in-one freeware for pH and acid-base equilibrium calculations and for simulation and analysis of Potentiometric Titration Curves Download CurTiPot now for free or check first for features, screenshots,. Our easy to use "Power Consumption Calculator" will help you to know the exact total load requirements for your property! Invest wisely with this simple three step process. Power Design Pro uses voltage and frequency tolerances that are customized for each load versus a single parameter for the entire project. 3 Calculation as defined by IEC 60909 p. UPS has a Voltage Ampere Rating to deliver the maximum level of voltage and ampere. A piece of wire connecting a battery to motor load can span hundred’s of feet. [email protected] L is the stroke length. Manual for Design and Detailing of Reinforced Concrete to the September 2013 Code of Practice for Structural Use of Concrete 2013 2. The Insulated Gate Bipolar Transistor (IGBT) is a minority-carrier device with high input impedance and large bipolar current-carrying capability. Switched Current is Either On or Off; There is No Controllable Linear Region LOAD SWITCH CURRENT MONITOR AN104 F01 RSWITCHED MINIMIZE. Most of the time the Power Factor is less than 1. AC Power: A Worked Example Andrew McHutchon April 22, 2013 The voltage in a circuit is V~ = 240\0 and the impedance of the circuit at 50Hz is Z~ = 48 + j36. Full or half bridge configurations are common switching schemes used in power electronics. NCP1252 components calculation 6. A calculation (referred to as calc for short) is a method of determining a statistic (referred to as stat for short) of a character (usually Attack Potency or Speed) in cases where it cannot be directly determined. The more closely the UPS capacity matches the load, the more efficiently the UPS will operate. It also allows the calculation of the admittance Y = 1/Z of an impedance. If this is the case, you must calculate a dimensional weight. Mechanical Exhaust Ventilation Systems Design, Calculations, and Operational Guidelines 2019 Page 4 of 30 horizontal distance not less than six inches beyond the outer edges of the cooking surface. 1 No of 200W,230V, 0. A load planner’s responsibility includes coordination with the flight crew, dispatchers, fuelers, cargo agents, check-in agents and ramp personnel to arrive at the most effective and safest aircraft load plan. Voltage Drop 5 Answer: First, calculate the total voltage drop allowed in the circuit. minus 2 x E min. UPS Backup = Battery Ah * (Volts/Load) * (1/Power Factor) Example: Let us calculate the backup for a system UPS Load is the usage power, suppose we are running a PC then the load is around 300 watts Power Factor varies for device to device, the average power factor is 1. Learn more about the capacity market at the Learning Center. Wiring Fault Indicator. 4 lbs CO2 per gallon of gasoline consumed. Calculate Size of Inverter for following Electrical Load. Current Rating of 1. Current screen capacity calculations do not take into consideration enough of the factors affecting screen efficiency. “Dead load” refers to the weight of the bridge span. Multiply the package length (longest side of the package) by the width by the height. Load is the power that is consumed by your UPS. The first factor is power dissipation. A calculation (referred to as calc for short) is a method of determining a statistic (referred to as stat for short) of a character (usually Attack Potency or Speed) in cases where it cannot be directly determined. Having a scale, or keeping data from previous deliveries, will come in handy. real "heart" of the activated sludge system is the development and maintenance of a mixed microbial culture (activated sludge) that treats wastewater and which can be managed. , DC Amperage): Load describes power consumption. This is done by (240 volts x 2%) or 4. SAMPLE CALCULATIONS Step 2: Develop Fully Loaded Hourly Rate for a Consultant: Item Add items 1 and 2 and follow steps: 1 Hourly rate (annual salary divided by billable hours; see billable hours calculation below) 2 Fringe Benefit Cost (see calculations below) 3 Get subtotal of the above (add items 1 and 2) = Total Direct Labor Cost. One option is to refer to battery performance sheets that give details on auton-. It is so much necessary for you to do in order to know how long your equipment will be able to provide you the power you need for doing your work. The following formula is used to determine. Battery state of charge (SOC) Fully Completely Charged Discharged State of charge: 100% 0% Depth of discharge: 0% 100% Electrolyte concentration: ~6 molar ~2 molar Electrolyte specific gravity: ~1. n If a load is lifted below its center of gravity, the weight of the. The AC UPS sizing calculation determines the ratings for the main AC UPS system components: 1) rectifier, 2) battery banks and 3) inverter. g: 5e3, 4e-8, 1. The economy, available equipment and truck drivers, along with diesel fuel price can play into freight rates. Now you can take the advantage of this calculator to do this job J You can also check the classical Wire & Cable Size Calculator in (AWG) Calculating Wire/Cable Size formula for single Phase Circuits. parallel operation of ac generators In most generator applications, there is more than one generator operating in parallel to supply power to various loads. #N#What size genset is needed to start a 3 phase electric motor. Other useful links: Grid Tied (No Storage) Solar Calculator. 68A for 1 hour = 39. You can use our Load Calculator to determine your total load, and then choose a UPS with an Output Watt Capacity 20-25% higher than that total. UPS Types: Standby (?) A stand-by UPS is the most basic, lowest priced type of battery backup protection available. IHFI Experience. The formula for calculating the dimensional weight for all commodities is 166 cubic inches per pound (6000 cubic centimeters per kilogram or 366 cubic inches per kilogram). Conceptual Regulator Load Tester Includes Switched and DC Loads and Voltage/Current Monitors. Determine approximate square pattern from Table 1 of Blaster’s Guide, or multiply the number ob. 25 Definitions and example of the above I1 (Standby current from the fire alarm panel) = 0. Helicopter Operations May 2019 PMS 510 The NWCG Standards for Helicopter Operations (NSHO) establishes the standards by which helicopter operations are to be conducted under the exclusive direction and operational control of federal, state and local agencies in the accomplishment of interagency fire suppression and natural resource aviation. The efficiency of the first system, at 67% load, could be as high as 94%; the second system’s efficiency, at 42% load, would be 79-87%, using a typical double-conversion online UPS system 1. 4 loading/contingency factor For 24-hour or 60-hour standby time, use the following formula: Total standby load x 24 or 60 hours x 1. This tool defines basic characteristics of the IT load and calculates how much utility input power would be required to support that load, allowing users to experiment with "what if" scenarios by modifying the load characteristics of servers, mainframes, and storage. For example, let’s find the current for a 440 volt three-phase circuit with 50 kVA of apparent power. 16 per year since the UPS efficiency loss now only makes up $8,691. Include ampacity and panel circuit space both. Some freight. Calculate Required UPS Size Phase Required 1 3 Volts Required. Veterans Affairs. the power factor of home standard. These calculations have been based on serial and parallel availability calculation formulas. 2 〈905〉 Uniformity of Dosage Units Official December 1, 2011 in conditions of normal use, and express the results as de-in which the terms are as defined in Table 2. Determine the active load based on amps consumed per hour (AH). 5 Examples of short-circuit current calculations p. Unfortunately, ACCA-approved sizing methods are often not used and over-sizing is very common. operating at a 2 to 3 kW load, they should pay special attention to airflow consumption within each rack. A generator must be sized to handle the load of the starting winding. 9 Greyridge Farm Court Stony Point, NY 10980. Load Planning It is the job of the load planner to ensure that the aircraft is within load limits. Easy Calculation Yields Load Transient Response. Generalities on forward converters 2. Valin is a leading process control. Powered by the world’s largest digital freight network. 5 Ton AC 2 Ton AC. 2 we calculate the spring constant from measuring 25 to 50 separate oscillations and calculating the period of oscillation, T. F Tube Light. HVAC Made Easy: A Guide to Heating & Cooling Load Estimation Course Content AIR CONDITIONING SYSTEM OVERVIEW Cooling & heating load calculations are normally made to size HVAC (heating, ventilating, and air-conditioning) systems and their components. 5 times full load current. Valin is a leading process control. My load is 150W. We always recommend our valued customers to evaluate their power needs before buying a power generator. The battery load can be calculated using the formula: Battery Load (kW) = (UPS kVA x Power Factor) / UPS Efficiency. Power Requirement Calculator. 58 inches, and at 800 yards it's -237. Multiply that by two to get the truck's total turning diameter, or turning circle, which is 50. HOW TO CALCULATE BATTERY BACKUP TIME AND AH CAPACITY AGAINST UPS KVA RATING? This purely depends up on the load. In the meantime, I found out that calculating ups batter back up is not such a big deal as I might have thought in the first place. It makes use of scientific formulae and mathematical equations to calculate any particular stat of the character. Current screen capacity calculations do not take into consideration enough of the factors affecting screen efficiency. Calculate Time and Cost. Ah and the Usage Load. In a UPS, the energy is generally stored in flywheels, batteries, or super…. 8, for a backup time of 15 minutes. Electrical Load detail: 2 No of 60W,230V, 0. While some colleagues prefer to remember formulas or factors, I prefer to resolve the problem step by step using basic principles. Demo board schematics & picture. pH calculation + virtual titration + acid-base titration curve data analysis + distribution diagram generation + pKa database = The all-in-one freeware for pH and acid-base equilibrium calculations and for simulation and analysis of Potentiometric Titration Curves Download CurTiPot now for free or check first for features, screenshots,. It is pretty easy on 1 phase loads, a little more complicated on 3 phase loads. In this accelerated training, you'll learn how to use formulas to manipulate text, work with dates and times, lookup values with VLOOKUP and INDEX & MATCH, count and sum with criteria, dynamically rank values, and create dynamic ranges. The efficiency at this load factor was observed to be approximately XX%. This is recommended by the NEC 210. 2 No of 30W,230V, 0. Your new UPS may be used immediately upon receipt. Correctly sizing your UPS solution is the first step to developing an efficient system. To calculate kVA, you need to enter the known values of voltage and the current into the respective fields. Start your calculation. For this example, the Kt factor is determined from curves. usually computer ups output load is 600w, can i 300 to 400 watts load with heavy ah br like 100,120,135,150, Is it make damge the comp. 0 or higher. Use the calculator for LTL and Truckload quotes. The first step in. Calculate Size of Inverter for following Electrical Load. Click on the below link to view the Smart UPS SUA750XL UPS runtime chart at different load levels. For greater ease we explain which formula is used for the conversion, how to perform the calculation in 1 single step, some examples , and a table with the main conversions from kW to kVA. For this tutorial you should select “Example Project (ANSI)” option when starting ETAP Demo. Amps (A) to kilowatts (kW) calculator. 96 per year with a savings of $10,786. You will also find service and rate information for UPS Freight ® services, including Air Freight and Less-Than-Truckload. The transformer calculator uses the following formulas: Three Phase Transformer Full-Load. If a redundant system is used, do not include the capacity of the redundant UPS. Battery capacity is expressed by how many Amps for how many hours a battery will last - Amp-Hour (A. e thaek cat. 7 k Figure C1 – Presstress Creep Restraint Moment Design Step C1. But most battery shop owners don’t let their customers know the simple formula to calculate the Back-up time of inverter battery. For example, let’s find the current for a 440 volt three-phase circuit with 50 kVA of apparent power. The old formulas were designed to keep calculations short and manageable for manual calculation. A tow truck is like a big lever with the fulcrum (or pivot point) at the rear axle or axles. With a dynamic load, some outside factor causes the forces of the weight of the load to change. If your load calculations are wrong, the rest of the design will also be wrong. Room Area BTU = Length (m) x Width (m) x 337. In a UPS, the energy is generally stored in flywheels, batteries, or super…. For this type of load profile in this battery sizing, the H type is chosen. 25 inches, or about 25. (select 100% inverter efficiency if no inverter is used). Reporting & Dashboards. This method calculates the impedance for the worse case power factor, i. The sole purpose of fuses and circuit breakers is to protect personnel and/or equipment from serious harm when an overcurrent condition arises. This made the selection rather simple. Electrical tools (MS Excel Spreadsheets) This section is dedicated to tools every electrical engineer can use in daily work. Select 11 Watt 22 Watt. Remember not all of your appliances are going to be switched on at the same time (e. Power Requirement Calculator. Windows will find New Hardware. 68A for 1 hour = 39. Uninterruptible Power Supplies (UPS) Installation Products. Three-phase UPS built for low to medium, high density power protection applications. Then use the formula for calculating the amount of effort needed to lift a given load to explain why the beam balance is in a state of equilibrium. In this tutorial you will find a simple explanation of AC power calculation, the usage of these quantities in specifying backup energy sources, conversion formulas, and an online calculator. Define Your Loads, Efficiency, and Required Runtime. 5 n/a 23 Hot tub 10 n/a 50 Range oven/Stove top per burner 8 n/a 30 Electric hot water 4. pfdisp is commonly known as the displacement power factor, and where (δ1 −θ1) is known as the power factor angle. Lastly the wire size is fine. Cable sizes are typically decribed in terms of cross-sectional area, American Wire Gauge (AWG) or kcmil, depending on geographic region. Formula: Shift Length − Breaks Example: 480 minutes − 60 minutes = 420 minutes Run Time. The FreightCenter freight rate calculator delivers estimates from multiple top carriers at once, including their estimated in-transit time. design and calculation of mcpherson suspension system and modified suspension system and its comparison Article (PDF Available) · August 2014 with 17,194 Reads How we measure 'reads'. 30 - FIRE PUMPS DESIGN AND CONSTRUCTION STANDARD E. We're calculating battery capacity so use battery voltage (e. Load the Standard Deviation Calculator window and click on the Data tab. You can use our Load Calculator to determine your total load, and then choose a UPS with an Output Watt Capacity 20-25% higher than that total. First we need to calculate the current required to run the load and the inverter: I = Load / (70%) / (DC Bus) I = 1000 / 0. com Table 2. Calculator aH TYPICAL POWER CONSUMPTIONS Bullet M5 REMEMBER ! Total current draw Voltage Total watts Backup time required Amps Watts Volts Hours Temperature +12% Degrees C 2) Enter watts 3) Enter duration Derate for temperature: Total Battery aH required Power Rating Watts @24v Formula is current=watts/volts airRouter = 5v supply 1) Choose. The load analysis is the first step in determining a facility's backup power and power quality needs. But don't worry. Multiply that constant by the difference between the 65F and the heating design temp, and that's the whole-house load that needs to be provided by the heating system. Formulas and Estimation Rules 1. 5) for distances over 0. 732 = 43,302, which is then divided by the Voltage 208V = 208. (AC) Fridge -16 cu. 8, which is the max. Select 1 Ton AC 1. Manual Load sheets involve a pro forma calculation of Maximum Ramp Weight (MRW), Maximum Take Off Weight (MTOW) and Maximum Landing Weight (MLW) whilst the centre of gravity is located by marking the requisite aircraft operating weight (vertical scale) on a ‘drop line’ located on a centre of gravity ‘index’ scale which forms the horizontal axis. Core reset: tertiary winding, RCD clamp, 2-switch forward 3. Balance panel i. 3 SWITCHING 37 4. The ambient temperature has the largest effect on life. For this type of load profile in this battery sizing, the H type is chosen. As when you are preparing yourself for a trekking in the wilderness, it's very important that you know how to calculate battery capacity for the solar system, you can ensure maximum power-generating efficiency from your solar panels. 5 volts (6 amps times 16. It is provided as a part of battery specification by the manufacturer. 412141633 BTU/hr x (Watts) we can quickly find the BTU/hr consumption of any Cisco Meraki device. Therefore the VR of the system can be equated as = Distance Covered by Effort/Distance Covered by Weight = (2 4 – 1)x/x = 2 4 – 1, for the present example which consists of 4 pulleys. 32 Bibliography p. P: (877) 322-5800 F: (877) 322-4774 [email protected] Do either of these: If the data table is column-oriented, enter the new formula in a blank cell to the right of an existing formula in the top row of the data table. Software can be delivered to you via email in addition to the hardcopy being shipped to you. Veterans Affairs. Margin Formulas/Calculations:. Standby Battery Calculation The following formula can be used to calculate the appropriate standby battery size: C min = [(I1 x T1) +I2] x 1. Record the test duration and calculate the battery capacity. 62-5016 Engineer's Mini-Notebook Formulas, Tables and Basic Circuits LED CURRENT LED VOLTAGE DROP Forrest M. Capacitor Life Calculators. UPS Runtime Calculator As you move the cursor around the chart, a popup displays runtime estimates in minutes for each load by watts. tors exhibit a starting power factor of 10 to 20 percent and a full-load running power factor of 80 to 90 percent. The values and their frequency counts are then. Most major shipping companies, like DHL, UPS, FedEx, etc. calculations, equivalent circuits may be used as in ordinary load-flow calculations. Solar Electric System Design, Operation and Installation An Overview for Builders in the U. For example, in the late 1990s a typical 4U, two-processor server consumed about 40 to 50 CFM to cool a maximum load of approximately 400 watts (W)—or a nominal load of around 200 W. What complicate matters is that Wye configuration is usually referred to by its line. Schaaf1), J. FREIGHT CLASS CALCULATOR. Conceptual Regulator Load Tester Includes Switched and DC Loads and Voltage/Current Monitors. com's powerful offline functionality enables users to keep working even without a connection. Correctly sizing your UPS solution is the first step to developing an efficient system. Unfortunately, ACCA-approved sizing methods are often not used and over-sizing is very common. 3 ms iC dV C dt = or, for this approximation: iC V C t = Δ Δ. minus 2 x E min. Do heating calculations and select equipment d. If factory overhead is Rs 3, 00,000 and total machine hours are 1,500, the machine hour rate is Rs 200 per machine hour (Rs 3, 00,000 ÷ 1500 hours). HVAC Made Easy: A Guide to Heating & Cooling Load Estimation Course Content AIR CONDITIONING SYSTEM OVERVIEW Cooling & heating load calculations are normally made to size HVAC (heating, ventilating, and air-conditioning) systems and their components. Electric power calculator calculation general basic electrical formulas mathematical voltage electrical equation formula for power calculating energy work power watts calculator equation power law current charge resistance converter ohm's law and power law power formulae formulas understandimg general electrical pie chart two different equations to calculate power electricas ohms law audio. W/m^2 conditions), less any continuous load current, is less than 5 % of the selected battery bank capacity (at the 8 hour discharge rate0). Helicopter Operations May 2019 PMS 510 The NWCG Standards for Helicopter Operations (NSHO) establishes the standards by which helicopter operations are to be conducted under the exclusive direction and operational control of federal, state and local agencies in the accomplishment of interagency fire suppression and natural resource aviation. Ups run normal without load Status OK. FREIGHT CLASS CALCULATOR. Ups run with 20% load Status OK Ups run with 50% load Status OK Load I: 60 A with 380 Vac(each line) (1) Total load 50 kva+50 kva= 100 kva in both ups as we installed (Effic 93%) (II) because in case master ups failed than salve ups handle 100 kav load. The formula for calculating markup percentage can be expressed as: For example, if a product costs $10 and the selling price is $15, the markup percentage would be ($15 – $10) / $10 = 0. And if you’re looking to significantly increase your squat strength with a structured, time-tested program, you’ve come to the right place. GenSizer TM Load Calculations Engineered Exlusively for: Customer Name: All load demands and calculations performed IAW NEC 2008 Article 220. In principle, the loads are calculated to maintain the indoor design conditions. Using Coca-Cola as an example again, divide 365 (the number of days in a year) by the company's inventory turn ratio, which was 4. e thaek cat. GenSizer TM requires Internet Explorer 8. Of the two, the latter is the most dangerous because it can lead to very high fault currents and these currents can have very substantial effects (thermal heating and electromechanical. Total IT load power in Watts - The sum of the power inputs of all the IT equipment. Note: The inverter capacity is not used in backup time calculation. This is because of the con-tinuous demand for magnetizing current by any inductive load. de ABSTRACT In Europe, in 2001 the new standard EN 1591 for strength and tightness proofs of bolted flange connections (BFC). An air flow of 1 cfm is heated from 32 to 52oF. Capacity 10-99Kw 100-249Kw 250-499Kw 500-999Kw 1000-1999Kw 2000-4000Kw. After one stroke, the plunger moves upward by one stroke length and the walking beam pivots. The Battery Load and runtime required (minutes) is used to calculate the overall battery Ampere-Hour (Ah) size. 3 Fluke Corporation How to measure output voltage from a VFD to a motor Because the current measurement will be made in a high-energy, electrically noisy environment, be sure to use the proper current clamp. Table C-1 Calculations for Electrical Design. Just key in the parameters and our calculator will give you the answer. It is pretty easy on 1 phase loads, a little more complicated on 3 phase loads. Calculator Use. usually computer ups output load is 600w, can i 300 to 400 watts load with heavy ah br like 100,120,135,150, Is it make damge the comp. UPS in itself is a non linear load. Here is an example for GST Invoice. Since UPS efficiency is higher at higher load factors, loading to 50% total for 2N system or 40% for each module is good from an efficiency point of view. Power system rated power - The power rating of the UPS system. What is the buoyant force acting on the crown? Answer: The buoyant force can be found using the formula. 0 or higher. Calculate your Total Cost of Ownership (TCO) Upload Excel - Test Upload Excel Clone Eaton UPS Other UPS. How do I properly size my UPS and avoiding sizing errors. Ampere is an electrical unit used to measure the current flow towards the load. The harmonic currents superimposed on the fundamental currents results in non sinusoidal waveform. From the Digest, an EXN75T3H will satisfactorily serve this load. (Excel, Word, PDF, JPEG in one zip file) Tag: calculate gst, goods and services tax, gst, gst calculator, gst check, gst meaning, gst number, gst payment, gst payment dates, gst rates, gst registration, gst return, gst return form, gst tax, gst tax calculator, GST Tax Invoice Format. Because this is an air-cooled chiller, all of the electrical power used is converted to heat and ends up in the room. The FreightCenter freight rate calculator delivers estimates from multiple top carriers at once, including their estimated in-transit time. Consequently the diode conduction time (c-d) increases, increasing ripple. 68A From the above we can see that to supply our load and inverter for 1 hour, the battery will have to supply 39. Export PDF. Watts to BTU/hr Conversion Formula. PART 2 PRODUCTS 2. How to calculate ups battery backup When I first asked this question myself, a friend of mine kindly sent me to the manual (a joke, obviously). The size of DC cabling you use with your solar panel array or wind turbine system is very important. This video helps you to find out backup time of an inverter battery /VRLA valve regulated lead acid /SMF sealed maintenance free battery. Battery capacity is the amount of energy stored in a battery. How Much Power Will Your UPS Use? Choose the right UPS, uninterruptible power supply, based on your total power consumption, Eaton UPS Selector. Heat load calculations There are several different methods of calculating the heat load for a given area: Quick calculation for offices For offices with average insulation and lighting, 2/3 occupants and 3/4 personal computers and a photocopier, the following calculations will suffice: Heat load (BTU) = Length (ft. Critical Power - Runtime Calculator: UPS Type: Power Load (Watt): Battery Capacity (Ah): (1-500) (Single Phase UPS.
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