转为
电力工程师将视在功率定义为有功功率和无功功率的矢量和的大小。视在功率是电压和电流的均方根的乘积。
Power engineers measure apparent power as the magnitude of the vector sum of active and reactive power. Apparent power is the product of the root-mean-square of voltage and current.
| 中文 | 英文 | 简称 | |
|---|---|---|---|
| 1 | 伏安 | Voltamperes | VA |
| 2 | 微伏安 | Microvoltamperes | μVA |
| 3 | 毫伏安 | Millivoltamperes | mVA |
| 4 | 千伏安 | Kilovoltamperes | kVA |
| 5 | 兆伏安 | Megavoltamperes | MVA |
| 6 | 吉伏安 | Gigavoltamperes | GVA |