How to Make 12 Volt to 24 Volt Conversion How to Calculate KVA to MVA Voltage is used when referring to electricity. Devices that require electricity have a written note that indicates the voltage required and whether it's direct current (DC) or alternate current (AC). Most of the times, ...
To find the amperage of a current based on the number of millivolts, you will need to know the number of watts produced by the current. Once you know the number of millivolts and watts, you can use the basic power conversion formula "Watts = Volts x Amps" to find the number of a...
measured in volts, and the current I, measured in amps, passing through it. In mechanics, the definition of power is the rate of doing work W. It's defined as W/t, where t is the time it takes for the work to be completed....
Calculate the CT ratio. The CT ratio is the inverse of the voltage ratio. In this example, the voltage ratio is 1:5, so the CT ratio is 5:1. This means the current level is stepped down 5 times where, if the primary current is 200 amps, the CT output is 40 amps. References Pow...
Use Ohm’s law to calculate amps using resistance. Many appliances have a listed resistance. The wire connecting the circuit also has a variable resistance. In the same sense, you can fit less water through a garden hose than a fire hose. You don’t need to include this resistance unless...
How to Calculate a KVA Rating. Electrical or electronic equipment comes with electrical rating and operational parameters on the nameplate. It's often advantageous to convert this information into more useful information. For example, if you are looking
The U.S. Department of Energy created a power law equation for an estimation of transformer weight. The transformer’s capacity in kilovolt amperes (kVA) multiplied by the basic impulse insulation level (BIL) gives the transformer’s weight estimation. Both known values are readily available for...
In order to calculate the duty cycle, we need to first find the frequency or period of the variable signal. This can be found with multiple methods, but the initial approach can be to measure the pulse width of the transmitted signal. To do this with an unknown signal, we can connect ...
Multiply the number of kVA by 0.001 to convert to MVA. In this example, multiply 438 by 0.001 to get 0.438 MVA. Check your answer on a calculator by entering the amount of kVA, pushing the division sign, entering "1,000" and pushing the equals sign....
Horsepower is a measure of power, and voltage measures the amount of energy carried in a circuit. Current, measured in amps, represents how fast the energy moves through a circuit. For example, you might use horsepower and voltage to find the current in a motor. In order to calculate the...