相位: phase position; phase平衡: balance; equilibrium相平衡电流继电器: phase-balance current relay相位平衡电流电驿: phase-balance current relay相位平衡继电器: phase balance current relay; phase balance relay相位平衡电路: phase balancing circuit电流继电器: curl relay; electrical current relay差动平衡式电流继电器: current balance type current differential relay低电流继电器: under current relay; undercurrent relay过电流继电器: maximum relay; over current relay，ocr; overcurrent relay逆电流继电器: reverse current relay; reverse-current relay欠电流继电器: undercurrent relay主电流继电器: main current relay电流平衡式差动电流继电器: current balance type current differential relay不足电流继电器: undercurrent relay差动电流继电器: differential current relay串联过电流继电器: series over-current relay单相过电流继电器: single-phase over-current relay低值电流继电器: minimum current relay电流继电器线圈: current relay coil反相电流继电器: reversal phase current relay; reverse-phase current relay反向电流继电器: back current relay; back-current relay; reverse current relay; reverse-current relay话频电流继电器: voice frequency relay励磁电流继电器: field current relay零序电流继电器: residual current relay
