You can convert between kva and kw if you know the efficiency of the electrical system. Convert kw to kva using an easy calculator, plus learn the formula for converting kilowatts to kilowvoltamps, with examples. It is a conversion calculator which converts the apparent power in kilovoltsamps and power factor to kilowatts. It represents the total power of the machine sum of both active and reactive power. To find kva from 41,520 va divide this number by, this will equal 41. How to convert apparent power in kilovoltamps kva to real power in watts w. Convert kw to kva, kva to kw, voltage, kw to hp, and more to. Convertir kva en kw pour les particuliers et petits professionnels. Power calulator which shows you detailed information, just need to input the power, and then it helps you convert. When you know this it is easy to convert kva to kw becasue you. The apparent power in kva is equal to the real power in kw. Kva to kw, how to convert watts to va and kva to kw for. The formula may appear a big deal but if you are strong with your basics there is nothing to worry about.
For example, a threephase transformer of 45kva, has a voltage in low tension of 208voltios ll. Generator current ratings three phase ac generator current ratings based on kilowatt output at 120, 208, 240, 277, and 480 volts three phase ac with a powerfactor of. With this tool you can convert from kw to kva or kva to kw, easily, quickly and free any electric power, the calculation takes into account the power factor. All mge three phase upss are constant kw and will provide level. Mar 09, 2017 kilowatts kw to amps a conversion calculator. To convert watts to amps use our watts to amps conversion calculator. How to convert 1,000kwh to kva assuming the power source is at 380volt, 3phase, 50hertz and power factor at 0. How to convert apparent power in kilovoltamps kva to real power in kilowatts kw kva to kw calculation formula.
Relationship between kilovoltampere kva and kilowatt kw the standard way of carrying out conversion is to try and find a relationship between the quantities that are to be converted. The current i in amps is equal to times the apparent power s in kilovoltamps, divided by the voltage v in volts. Once all the text fields are filled completely, you can. Enter phase number, the apparent power in kilovoltamps, voltage in volts and press the calculate button to get the current in amps. Use the formula, kw kva power factor to find the result. Kilovoltamps kva to amps a calculator and how to calculate. Also, explore tools to convert kilovolt ampere or megawatt to other power units or learn more about power conversions. Kw is known kw x v x pf kw x v x pf x 2 kw x v x pf x 1. For example, if you enter the kilovoltamps as 22 kva and the power factor as 0. Convert kilovolt ampere to kilowatt kva to kw calculator. With the abovegiven relation, our job is almost done as far as formula is concerned. Kilowatts kw to amps electrical conversion calculator. Calculate kva, kw and watts quickly and easily note.
The kilovoltampere kva is the power rating of a circuit carrying 1,000 volts and an ampere or 1,000 amperes and a volt. For example, if the power in kilowatts is 50 kw and the time in hours is 11 hrs. Conversion factors to convert to multiply by feet of water inches of mercury 0. The user must fill one of the two fields and the conversion will become. The real power p in kilowatts kw is equal to the apparent power s in kilovoltamps kva, times the power factor pf. Convert kilovolt ampere to megawatt unit converter.
To calculate kva, you need to enter the known values of voltage and the current into the respective fields. A voltampere va is the unit used for the apparent power in an electrical circuit. For example, lets find the apparent power in kva for a 10 kw generator with an 80% power factor. Convert kva to kw, convert watts to va, convert va to watts,kva to amps, kw to kva, amps to kva, conversion of kva to kw, convert kw. Power calculators for quick electrical generator power consumption, sizing, and unit conversion. To convert from kva to kw you must have two variables. However in reality electrical systems are not 100% efficient and so not all of the systems apparent power is being used for useful work output. A kilowatt kw is much more common a term and is how electrical items in. The apparent power s in kilovoltamps kva is equal to the real power p in kilowatts kw, divided by the power factor pf.
Electrical efficiency is expressed as a power factor between 0 and 1. In relation to the base unit of power watts, 1 kilovolt ampere kva is equal to watts, while 1 btu per hour btuh 0. How to convert apparent power in kilovoltamps kva to real power in kilowatts kw. Scan down this column to the current needed for your application select the next higher current rating for more margin. However electrical systems are never 100% efficient and therefore not all of the systems apparent power is being used for useful work output. Here you can make instant conversion from this unit to all other compatible units. What is the real power in kilowatts when the apparent power is 3 kva and the. Determining the kw real power requires another variable called the power factor pf. These tables report the equivalences of kva to kw for standard sizes of singlephase, twophase and threephase equipment, both transformers, generators, ups and other electrical equipment, the calculation basis for the conversion is a power factor of 0.
In this video we explain kw to that means if we know the active power than how much apprent power need for run this active power we can easily by. Always use the reset button when you want to enter new figures as it is the fastest way of clearing all the text fields. Convert kw to kva conversion calculation kw to kva. View and download legacy power conversion herytage 2kva 1. Kva to kw, how to convert watts to va and kva to kw for engineers. Kilowatts kw to kilovoltamps kva electrical conversion. To convert to kva, insert kw and the equipment power factor in the formula above. On the other hand kva is a measure of apparent power. Pf so watts are equal to times kilovoltamps times the power factor. Now using the above relation, we can have a formula for the conversion. Power conversion table kilowatts to horsepower kilowatts horsepower kilowatts horsepower kilowatts horsepower 1 1.
Voltamperes are useful only in the context of alternating current ac circuits. Power calculator, convert kva to kw, kw to kva, watts and. So kilowatts are equal to kilovoltamps times the power factor. The kilovolt ampere kva to megawatt mw conversion table and conversion steps are also listed. The conversion of va to amps is governed by the equation amps vapfvolts for example 12 va0. Find the kw rating or consumption of the 3phase circuit if the power factor of the device is 1. Power, in electromagnetic physics, is often expressed in kilowatts, or kw, which is the product of voltage times current divided by 1,000, or kva. Please note that this chart is for guidance only and is not an exact representation for every generator as individual. Power calculators for quick electical generator power consumption, sizing, and unit conversion. Ainsi 3 kva en watt donne 3kw et donc 3000 watts comme lenonce le tableau suivant. You must multiply the kva by and divide the result between the voltage shown by the formula according to the system you have, monofasic, biphasic or threephase.
Instant free online tool for kilovolt ampere to megawatt conversion or vice versa. 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. The first step involves entering the apparent power in kilovoltamps kva and the power factor. A kilowatthour kwh is the amount of energy a circuit working at a kilowatt of power transfers over the course of an hour.
Power calculator, convert kva to kw, kw to kva, watts and volts. Jan 07, 2018 in this video we explain kw to that means if we know the active power than how much apprent power need for run this active power we can easily by applying single formula very easily. Analysing electrical demand and supply kw, kvar, kva, pf, v. Convert kilovolt ampere to btu per hour kva to btuh. Since most upss are very rarely loaded higher than 80%, this means that mge will match the power factor rating of all loads. Convert kw to kva, kva to kw, voltage, kw to hp, and more to assist with generator sizing and electrical specifications required for your genset. Kilowatts kw to kilovoltamps kva electrical conversion calculator. It has two text fields and control buttons which perform different functions. Converting kva to kw kilovoltamps to kilowatts the conversion of kva to kw is governed by the equation kva kw pf for example, if the power factor is 0. This tool converts voltampere to kilowatts va to kw and vice versa.
889 1540 631 1116 100 305 742 616 295 1003 492 190 1494 468 951 1512 1514 42 680 1336 864 700 1040 301 1466 669 291 513 374 659 876 278 1390 1337