Novel technique for measuring grounding capacitance and grounding fault resistance in ineffectively grounded power system

Xiangjun Zeng; Xianggen Yin; Zhe Zhang; Deshu Chen; Yongyuan Yu

doi:10.1117/12.385602

9 May 2000 Novel technique for measuring grounding capacitance and grounding fault resistance in ineffectively grounded power system

Xiangjun Zeng, Xianggen Yin, Zhe Zhang, Deshu Chen, Yongyuan Yu

Author Affiliations +

Proceedings Volume 4077, International Conference on Sensors and Control Techniques (ICSC 2000); (2000) https://doi.org/10.1117/12.385602
Event: International Conference on Sensors and Control Techniques (ICSC2000), 2000, Wuhan, China

Abstract

A new principle for resonance measurement based on injecting resonant frequency signal is presented in this paper. By this principle, the grounding capacitance and grounding resistance can be measured on-line in ineffectively grounding power system. Based on it, Petersen-coil automatically tuning is implemented, and 100% stator grounding fault protection for generator stator windings is also proposed. The prototype for Petersen-coil tuning has been tested on the network for many years. As well as the new method for generator stator grounding fault is verified by simulation.

Citation Download Citation

Xiangjun Zeng, Xianggen Yin, Zhe Zhang, Deshu Chen, and Yongyuan Yu "Novel technique for measuring grounding capacitance and grounding fault resistance in ineffectively grounded power system", Proc. SPIE 4077, International Conference on Sensors and Control Techniques (ICSC 2000), (9 May 2000); https://doi.org/10.1117/12.385602

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