月刊
ISSN 1000-7229
CN 11-2583/TM
摘要:
The principles of Narirelays RCS985/Stype generator stator ground fault protection are analyzed in this paper. The zero sequence current on generator terminal, secondary current of grounding transformer, and generator zero sequence voltage tectonic zero sequence directional components are applied in Narirelays RCS985/Stype protection. Based on zerosequence fundamental voltage, the single phase earth fault in and outside the generator area could be judged, showing the applicability of the protection in Changzhou Key Water Control Project. Furthermore, the range of application of the protection in Changzhou Key Water Control Project is introduced, providing references for selecting the stator ground fault protection of Narirelays RCS985/Stype protection.