無む効こう電でん力りょくむこうでんりょくじ字FuriganaMeanings1nounreactive powerElectrical engineering term for the portion of AC power that does no net work, measured in var. Contrasts with 有効電力 (active power).無む効こう電でん力りょくは電でん圧あつと電でん流りゅうの位い相そう差さによって生しょうじる