The kilovolt-ampere, is a unit that deals with measuring electrical power, focuses on apparent power. In this case, attention is paid to the total amount of power consumed by a system. Precisely, its name comes from there, since not all of it is used to carry out a job. One Kva equals 1000 volts

The kilowatt is a unit that is responsible for measuring electrical power. More specifically, the term kW refers to Active Power. That is, it is the amount of power that actually performs electrical work. Hence, it is also known as real power. One Kw equals 1000 watts