Understanding Megavolt-Amperes (MVA) in Electrical Systems

Megavolt-ampere (MVA) is a unit of measurement that represents the amount of electrical power in a circuit. It is defined as the product of the voltage and current in a circuit, and it is typically used to describe the power output of electrical devices such as generators, transformers, and motors.

One megavolt-ampere is equal to one million volts multiplied by one ampere, or 1,000,000 V x 1 A = 1 MVA. This unit is often used in the power industry to express the power output of large electrical systems, such as power plants and transmission lines.

To give you an idea of the scale of this unit, a typical household electrical system might have a power output of around 10 kilovolt-amperes (kVA), while a large industrial power plant might have a power output of several hundred megavolt-amperes (MVA).