A phase voltage (three-phase four-wire type) AB voltage (three-phase three-wire) A three-phase A photograph active power Total active power A phase of reactive power Total reactive power Total ShiZai power Power factor frequency Positive meritorious electric power Negative meritorious electric power Positive reactive power Negative reactive power 问题补充three-phasethree-wire ；line-to neutral(也可能被说成line to line), line to ground, neutral to groundfour wire three phase 万恶敬上 8
kevin咖啡馆
