传统零差保护均使用高阻继电器，高阻继电器有很高的避越不平衡电流的能力。
Traditionally REF adopts a high resistance relay with very high ability for overcoming the imbalance current.
叙述了高阻差动继电器用电流互感器的用途、工作原理和主要要求。
The uses, operating principle and main requirements of the current transformer for differential relay with high impedance were described.
叙述了高阻差动继电器用电流互感器的用途、工作原理和主要要求。
The uses, operating principle and main requirements of the current transformer for differential relay with high impedance were described.
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