有功-无功功率电驿
arbitrary phase-angle power relay
有功无功功率继电器
arbitrary phase-angle power relay
arbitray phase angle power relay
有功-无功功率继电器
arbitrary phase-angle power relay
单相有功电能表
single-phase Watt-hour meter
三线四线有功电能表
three-phase and four-wire active energy meter
三相三线有功电能表
Three-phase three- circuitries powerful electrical energy meter
三相四线有功电能表
three-phase four-line watt-hour meter
有功、无功解耦控制
decoupled control for active power and reactive power
有功无功独立控制
active and reactive power adjusted respectively
有功无功解耦
decoupled active and reactive
active and reactive decoupling
有功-无功解耦PWM控制
Active-reactive power decoupled control
有功无功控制
active and reactive power control
电子式多功能电能表
digital Electronic energy meter
electronic multifunction watt-hour meter