What Is MVA Electricity?


Quick Answer

In electricity, the abbreviation MVA stands for mega volt ampere, which is a unit used in measuring apparent power in an electrical circuit. Apparent power refers to the total voltage and current in a circuit. MVA is the common rating used in electrical installations such as generators and transformers.

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Full Answer

Electricians determine mega volt ampere measurements using derivatives, including amperes and kilovolts. When installing transformers, engineers consider the capacity of a substation. They install transformers with similar MVA electricity capacity. Additionally, MVA electricity often determines the amount of power a particular area requires. This helps to stave off problems such as power surges.

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