The article gives a simple formulat to convert electrical amps to horsepower and explains what data are actually needed to make an accurate horsepower calculation or rating. Hp to kw calculator, examples, steps to convert, table. Among the many different measurements of horsepower imperial mechanical horsepower is most commonly used in association with engine output. Mechanical horsepower, also known as imperial horsepower, is defined as approximately 745. What size genset is needed to start a 3 phase electric motor direct on line dol. Scan the row to the left and find the kva and kw rating needed. Kilowatts to horsepower hp conversion calculator rapidtables.
Calculate from power into other power unit measures. Convert kw to hp i kilowatt to mechanical horsepower. For example, heres how to convert 5 electric horsepower to kilowatts using the formula. How to figure kw rating of a 3 phase electric motor sciencing.
Use the chart in this calculation guide to find the formula you need according to the measure you will calculate. Formulae for calculating amperes, horsepower, kilowatts, and. Power is the rate of work done or work done per unit time or energy converted per unit time. Motor current single phase motors 110v ac 220v ac 240v ac 0. At line voltage ac motors full load current tables 1450rpm approx. Kw to hp formula conversion davidbeach electrical 20 mar 09 12. Motor kw and hp chart with full load current blogger. The horsepower is an outdated, but still commonly used in everyday unit of power. The following formula can be used to calculate water horsepower whp. For threewire, two phase circuits, the current in the common conductor is 1.
Pump motor hp, gpm x head ft x specific gravity3960 x eff of pump. Convert kw to kva, kva to kw, voltage, kw to hp, and more to assist with. Hundreds of electrical products and tools to select from. Units and conversion factors 1 cubic foot of water weighs 62. If your values are in brake horsepower then we recommend you use the bhp to kw converter. Collection, industrial, is available at the end of this document association of boards of certification laboratory formulaconversion table page 7 of 8 abbreviations. It is a power conversion calculator that converts kilowatts kw to horsepower hp conversion. Please provide values below to convert horsepower metric to kilowatt kw, or vice versa. Note that rounding errors may occur, so always check the results. Horsepower hp to kw conversion, watt, kvar, kva, voltage, current, 3. To go from horsepower to kilowatthours, you need to know how long the power is being exerted.
How to figure kw rating of a 3 phase electric motor. High pressure connections to help prevent galling of threads. Whp hq 3960 where h is the change in pressure measured in height of water in feet and q is the water flow rate in gallons per minute. Use the chart in this calculation guide to find the formula you need according to. Motor formulas and calculations, index of helpful tools. Apr 11, 2020 hp to amps conversion calculator 3 phase single two dc 3 phase amp equation you 3 phase motor amps calculation cur formula urdu hindi calculate inrush for 3 phase motor whats people lookup in this blog. Use this page to learn how to convert between horsepower and kilowatts. Kw to bhp conversion online calculator and converter. The torque delivered from an electrical motor producing 100 hp at speed rpm. As a unit symbol hp is used by 2009, could be specified in the advertisement hp only in addition to kilowatts kw. Instant free online tool for kilowatt to horsepower metric conversion or vice versa. Ps an hp are both a measure of the power of a horse, though its obviously not clear how to define it. Now though the basic concept remains the same, the expressions of power differs in elec.
Hp to kw calculator, examples, steps to convert, table and. So the power conversion of kilowatts to horsepower is given by. How to convert horsepower to kilowatts hp to kw p kw 0. Before knowing anything else, first we need to know what is power.
The torque delivered from an electrical motor producing 0. Among the many different measurements of horsepower imperial mechanical horsepower is most commonly used in association with engine output in north america and some other parts of the world. After the horsepower conversion completed, the kw and the kilograms meter per second values displayed below. The ideal hydraulic power to drive a pump depends on. This converter uses a simple method in executing the conversions. Boiler horsepower can be abbreviated as hp s, for example 1 boiler horsepower can be written as 1 hp s. Motor kw and hp chart with full load current power current in amps at indicated voltage kw hp 220v 240v 380v 415v.
Horsepower is a unit of power, while kilowatthours is a unit of energy. Select horsepower unit type, enter the power in horsepower and press the convert button. Since the last amendment of eu directive 80181 eec, which entered into force on 1 january 2010, the sole performance of hp and all other nonsi units throughout the eu is no longer allowed. The below mathematical formula is used in this calculator to determine the number of. Some motors may have two or even three voltages given. Between kw and hp i measurements conversion chart page.
Hp is known hp x 746 v x %eff x pf hp x 746 v x %eff x pf x 2 hp x 746 v x %eff x pf x 1. We explain the relationship between running load amps rla, and full. Oct 31, 2018 hp to kw conversion, capacitor kvar size calculation for pf of motor in hindi video. Conversion factors to convert to multiply by feet of water inches of mercury 0. Hp to kw calculator, examples, steps to convert, table and formula with this tool you can convert hp to kw automatically, easily, quickly and for free. Measurement conversion measurement conversion measurement conversion.
Hp to kw conversion horsepower to kilowatts hp to kg msec. Horsepower hp to kw conversion, watt, kvar, kva, voltage, current, 3 phase motor va, power, relation, hp to. Horsepower to kilowatts kw conversion calculator rapidtables. The kilowatt kw to horsepower metric conversion table and conversion steps are also listed. Also, explore tools to convert kilowatt or horsepower metric to other power units or learn more about power conversions. One kilowatt is the power equal to 1,000 watts, or the energy consumption at a rate of 1,000 joules per second.
The conversion between horsepower and watts is 746 whp. Scan down this column to the current needed for your application select the next higher current rating for more margin. The other way around, how many mechanical horsepower hp i are in one kilowatt kw unit. Horsepower to kilowatts hp to kw conversion tables with.
Electrical horsepower is used for electric engines and air conditioners. Boiler horsepower can be abbreviated as hps, for example 1 boiler horsepower can be written as 1 hps. There are three types of hp, the most used is the electric hp therefore to convert from electric kw to hp you must use the formula. Convert horsepower metric to kw conversion of measurement. Try our engine horsepower calculator to calculate the power of a motor. Find the fullload current on the threephase motor nameplate. Association of electrical and mechanical trades st saviours house, st saviours place, york, yo1 7pj north yorkshire england tel. Size annual preventative maintenance hours comfort cooling 10 tons and under 3.
What size genset is needed to start a 3 phase electric motor direct on line dol start. Click the convert button which is used to initiate the conversion and the results will appear below the two controls. Electric motor horsepower how to calculate electric motor. Hp to kw conversion horsepower to kilowatts hp to kg m. Hp to kw, capacitor kvar size calculation for motor, hindi. Motor hp water hp wiretowater efficiency, % 3,960electrical demand, kw. For greater ease we explain that formula is used for the calculation, how convert from hp to kw in 1 step, besides some examples and a table with the main conversions from hp to kw. Diferent power units conversion from kilowatt to mechanical horsepower.
Convert kilowatts to horsepower kw to hp, please type the kilowatts value, select the precision value and press the convert button below. Formulae for calculating amperes, horsepower, kilowatts. Convert 1 kw into mechanical horsepower and kilowatts to hp i. Hp to amps conversion calculator 3 phase single two dc 3 phase amp equation you 3 phase motor amps calculation cur formula urdu hindi calculate inrush for 3 phase motor whats people lookup in this blog. Scan across the row to the right until the three phase ll line to line voltage being utilized column is reached. Power unit conversion between kilowatt and horsepower, horsepower to kilowatt conversion in batch, kw hp conversion chart. The shaft power the power required transferred from the motor to the. An electrical distributor supplying everything from light bulbs and dimmers to plcs and industrial automation equipment. Hp to kw conversion, capacitor kvar size calculation for pf of motor in hindi video. One mechanic or hydraulic horsepower is equal to 0.
For example, a 100horsepower engine running for five minutes would use significantly fewer kilowatthours than the same engine running for five hours. When you want to perform a conversion, use the blank text field to enter the value in kilowatts. Select the first voltage for the power calculation. Horsepower is an imperial or united states customary unit of power. To find the phase current rating if the 50hz load kw or kva is known, select the known kva or kw rating on the chart above.
So the electric power to produce 1 hp 746 w out can be w or more for small motors, getting down to maybe 820 w for a large, threephase motor. Horsepower to kilowatts conversion hp to kw inch calculator. Hp power to electric motor, kw motor efficiency, % 0. Where sa surface area area of rectangle lengthwidth area of right triangle 2. Convert horsepower to kilowatts hp to kw, please type the horsepower value, select the precision value and press the convert button below. Ohms law resistive circuits power kw power hp power factor. Power conversion table kilowatts to horsepower kilowatts horsepower kilowatts horsepower kilowatts horsepower 1 1. Find the motor voltage on the threephase motor nameplate. For example, if an irrigation pump located at ground. Instantly convert metric horsepower hp to kilowatts kw and many more power conversions online.
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