- 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.
92, voltage and power directional relay
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