An Adaptive Operating Characteristic to Improve the Operation Stability of Percentage Differential Protection

  title={An Adaptive Operating Characteristic to Improve the Operation Stability of Percentage Differential Protection},
  author={Shihong Miao and Pei Guo Liu and Xiangning Lin},
  journal={IEEE Transactions on Power Delivery},
Based on the comprehensive analyses of the existing current differential protection criterion, a new type of adaptive restraint coefficient-based criterion is put forward in line with a variety of fault conditions. The restraint coefficient of this criterion can be adaptively adjusted according to the operation and fault conditions of the system. In this case, this criterion can guarantee the stability of the protection during external faults. Taking into account the increasing applications of… CONTINUE READING
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