有功: have rendered great service; ...功率: power; rate of work; capacit ...继电器: electric relay; relay有功无功功率继电器: arbitray phase angle power relay无功功率继电器: reactive power relay感应式无功功率继电器: induction type reactive power relay无功功 率继电器: reactive power relay功率继电器: power relay大功率继电器: high power relay低功率继电器: minimum power relay; underpower relay过功率继电器: overpower relay逆功率继电器: reverse-power relay欠功率继电器: under-power relay感应式无功功率继电路: induction type reactive power relay定向功率继电器: directional power relay反比功率继电器: inverse power relay反向功率继电器: reverse power relay三相大功率继电器: three-phase large power relay非有功功率: fictitious power有功功率: active power; active-power; real power; watt output; wattful power有功功率计: effective power meter电动式单相功率继电器: electrodynamic type single phase power relay电动式三相功率继电器: electrodynamic type three phase power relay; electrodynamic type three-phase power relay; electrodynamictype three-phase power relay任意相角功率继电器: arbitrary phase-angle power relay基本有功功率: base active power
