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1·Reverse power relay trip test.

逆功率脱扣测验。

2·Reverse power relay trip test.

逆功率脱扣试验。

3·Reverse power relay a reverse power relay is a relay with a wattmeter movement that senses the direction of power flow.

逆功率继电器逆功率继电器是指带瓦特计的继电器，用来感知电流的方向。

4·Reliability of reverse-power relay is of immediate effect on the secure operation of large and medium generator-transformer units.

逆功率继电器的可靠性直接关系到大中型发电机变压器组的安全运行。