92, voltage and power directional relay

电压和功率方向继电器。当两个回路之间的电压差值超过给定值并与预定方向一致时,允许或使这两个回路并列,而当两个回路间功率潮流在相反方向超过给定值时,则使这两个回路彼此解列的继电器。

English-Chinese electricity dictionary (电气专业词典). 2013.

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