Influence of voltage transformers on operating conditions of ground-fault protection system for unit-connected generator

International Journal of Electrical Power and Energy Systems

Volumn 20, Issue 5, 1998, Pages 313-319

  Zielichowski, Mieczysław ^a   Fulczyk, Marek ^a  

^a WROCLAW UNIVERSITY OF TECHNOLOGY   (Poland)

Author keywords

Generator; Ground fault; Voltage transformer

Indexed keywords

EID: 0001163901     PISSN: 01420615     EISSN: None     Source Type: Journal    
DOI: 10.1016/s0142-0615(98)00012-x     Document Type: Article

References (14)

1. Zielichowski, M. and Fulczyk, M., The ground-fault protection of generator-transformer unit impelled by 3rd harmonic of voltage. In Proceedings 6th International Symposium of Short-Circuit Currents in Power Systems, Liege, Belgium, 1994, pp. 3.16.1-3.16.8.
2. Pope, J. W., A comparison of 100% stator ground fault protection schemes for generator stator windings. IEEE Transactions on Power Apparatus and Systems, PAS, 1984, 103(4), 832-840.
3. Yin, X. G., Malik, O., Hope, G. and Chen, D., Adaptive ground fault protection schemes for turbogenerators based on third harmonic voltages. IEEE Transactions on Power Delivery, 1990, 5(2), 595-603.
4. Yin, X. and Crossley, P., A protection relay for generator stator windings. In Proceedings 29th Universities Power Engineering Conference, Galway, Ireland, 1994, pp. 29-32.
5. Basilesco, J. and Taylor, J., Report on methods for earthing of generator step-up transformer and generator winding neutrals as practised throughout the word, CIGRE, No. 121, 1988, pp. 86-101.
6. Shiwen, S. and Binhua, S., Analysis of ground protection of unit connected generator using third harmonic. In Fourth International Conference on Developments in Power Protection, Edinburgh, UK, 1989, pp. 254-258.
7. Soares de Oliveira, A. J., Optimum settings for the 100% ground stator protection in the Tucurui, Balbina and Samuel hydro power plants-Elektronorte-Brazil. In Fifth International Conference on Developments in Power System Protection, York, UK, 1993, pp. 186-190.
8. Xie Xiaoping, W. W. and Xiling, Z., New developments of third harmonic ground fault protection schemes for turbine-generator stator windings. In Fourth International Conference on Developments in Power System Protection, Edinburgh, UK, 1989, pp. 250-253.
9. Zielichowski, M. and Fulczyk, M., Influence of load on 3rd harmonic voltage in circuits of ground-fault protections of unit-connected generators. In Proceedings of the International Symposium APE'97, Gdańsk, Poland, 1997, pp. 223-230.
10. Zielichowski, M. and Fulczyk, M., Voltage transformers in third harmonic ground-fault protection systems of unit-connected generators. In Proceedings of 32nd Universities Power Engineering Conference, UMIST'97, Manchester, 1997.
11. Zielichowski, M., Erosion du circuit magnetique des stators de turbogenerateurs pendant les courts-circuits a la terre. Revue Electricite, 1980, IX(12), 226-234.
12. Zielichowski, M., Earth-fault processes in the stators of the unit-connected turbogenerators. Scientific Papers of the Institute of Electrical Power Engineering of the Technical University of Wroclaw, No. 78, Monographs No. 20, 1988.
13. Zielichowski, M. and Fulczyk, M., Third harmonic ground-fault protection of unit-connected generator grounded through ground-fault neutralizer. In Proceedings 7th International Symposium of Short-Circuit Currents in Power Systems. Warsaw, Poland, 1996, pp. 1.22.1-1.22.7.
14. Zielichowski, M. and Fulczyk, M., Third harmonic ground fault protection schemes for generator stator windings. In Proceedings of the International Power Engineering Conference IPEC'97, Nanyang Technology University, Singapore, 1997, pp. 587-592.*.