Differences between kW and kVA

kW and kVA are units of power. kW stands for kilo-watts and kVA stands for kilo-volts ampere. Let's see what is the difference between kW and kVA and how to…

What is kVA?

kVA stands for kilo volt-amperes or simply 1000 volt-amperes. It is basically the unit of apparent power and is the product of RMS values of voltage and current. One kVA…

What is Electric Power?

Before reading about electric power it is essential to have a basic idea about power. The word power is a little tricky to understand. Consider that you are riding a…

Difference between single-phase and three-phase power AC supplies

Anyone who uses electricity and have heard of terms: single-phase and three Phase, maybe trying to understand the difference between them. This article narrates the differences between a single-phase power…

Transformer FAQ | Interview Questions- Part -1

What is a transformer? By definition, a transformer is a static electrical device that transforms electric energy from one level to another level. Normally transformers are used to step up…

Power Factor – Importance, Calculation and Correction techniques

In an AC power system, the power factor is a very important parameter that defines how efficiently electrical power is being utilized by the load. It is a rational number…

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