视在功率瞬时值视在功率瞬时值为复变量其实数分量是有功功率瞬时值其虚数分量是无功功率瞬时值
The instantaneous value of apparent power is a complex variable. Its actual component is the instantaneous value of active power, and its imaginary component is the instantaneous value of reactive power
以上为机器翻译结果，长、整句建议使用 人工翻译 。