The current transformer (CT) saturation phenomenon has been one of the main problems for
the power transformer differential protection, leading to incorrect current measurements and …

Wind farms (WFs) are increasingly integrated with high-voltage (HV) grids, for which
distance relaying is normally the protection of choice. This paper reveals some serious …

Page 1 QH Wu Z. Lu⚫ TY Ji power systems Protective Relaying of Power Systems Using
Mathematical Morphology Springer Page 2 Power Systems Page 3 QH Wu Z. Lu· TY Ji • …

Differential protection is the most common type of protection in power transformers.
However, inrush current due to transformer energization may appear as fault current to the …

Current-transformer (CT) saturation threatens accurate discrimination between internal fault
current and magnetizing inrush current of a transformer and endangers the proper operation …

Current transformers (CTs) provide instrument-level current signals to meters and protective
relays. Protective relays' accuracy and performance are directly related to steady-state and …

In this paper, an efficient method based on the Kalman filter (KF) theory is proposed for fast
and accurate detection and compensation of current transformer (CT) saturation. During the …

直流偏磁现象会改变电磁式电流互感器(current transformer, CT) 的传变特性,
影响继电保护可靠性和电能计量的公平性. 通过建立等效电路模型, 利用电磁关系方程推导剩磁 …

A current transformer (CT) is accurately modeled for representation of the CT saturation
effects on digital protective relays. Simulation studies performed in the PSCAD/EMTDC …

A hybrid algorithm for phasor estimation is proposed that is immune to DC offset and current
transformer (CT) saturation problems. The algorithm utilizes partial sum (PS)-based and …