A comparison of two numerical relay low impedance restricted earth fault algorithms in power transformer - Nimtaj, Babak; Mahmoudi, Amin; Palizban, Omid; Kahourzade, Solmaz (2011 8th International Conference on Electrical Engineering/Electronics, Computer, Telecommunications and Information Technology, 2011)
Keywords: 3I; A Decaying factor which A< 1; Auxiliary negative sequence restraint current; Auxiliary positive sequence restraint current; Auxiliary zero sequence restraint current; Circuit faults; Differential current; Fault currents; Fundamental component of residual current; Fundamental component of star point current; Intermediate restraint current; K Stabilization factor; L−1; Manuals; Negative sequence current; Positive sequence current; Residual current (summation of three phase); Restraining current; Saturation magnetization; Star point current; Surges; time constant; Transformer cores; Trip effect current; Zero sequence current; ϕ Limit angle