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.
因此重点分析变压器纵差保护不平衡电流产生的原因，并寻求减少它对变压器纵差保护影响的主要措施。
The cause of its creating unbalanced current was emphasized to analyze. The main measures for reducing the impact on this protection were sought.
因此重点分析变压器纵差保护不平衡电流产生的原因，并寻求减少它对变压器纵差保护影响的主要措施。
The cause of its creating unbalanced current was emphasized to analyze. The main measures for reducing the impact on this protection were sought.
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