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reactive power The electrical power that oscillates between the magnetic field of an inductor and the electrical field of a capacitor. Reactive power is never converted to non-electrical power. It is calculated as the square root of the difference between the square of the kilovolt-amperes and the square of the kilowatts, and is expressed as reactive volt-amperes. Related categories • BASIC SCIENCE Also on this site: Encyclopedia of Science Transport Concepts & Designs (partner site) |