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This paper discusses distance relay maloperation in the presence of unified power flow controller (UPFC) on the second circuit of a double circuit transmission line. This is done by presenting the measured impedance at the relaying point in the case of UPFC presence at the near end of the second circuit. The measured impedance at the relaying point is greatly influenced in the presence of UPFC on...
This paper discusses the distance relay mal-operation in the case of installation of thyristor controlled series compensator (TCSC), one of the series connected flexible alternating current transmission system (FACTS) device, on the second circuit of a double circuit transmission line, considering its metal oxide varistor (MOV) operation. This is done by means of presenting the measured impedance...
This paper discusses the distance relay mal-operation in the presence of static synchronous series compensator (SSSC), one of the series connected Flexible Alternating Current Transmission System (FACTS) device. This is done by presenting the measured impedance at the relaying point in the case of SSSC presence at the near end of the line behind. Measured impedance by distance relay is greatly influenced...
This paper discusses the distance relay over-reaching in the presence of thyristor controlled series compensator (TCSC) which is categorized as a series connected flexible alternating current transmission system (FACTS) device. This is done by presenting the measured impedance at the relaying point in the case of TCSC presence at the near end of the line behind. Distance relay tripping characteristic...
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