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Zero-sequence voltages in unit-connected generator for different methods of grounding generator neutral

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1 Author(s)
Fulczyk, M. ; ABB Corp. Res., Krakow, Sweden

In this paper, the influence of parameters of the generator and transformer, the additional capacitance to ground of the generator breakers on the zero-sequence voltages in generators during faults in the stator winding and the power system was determined. The analysis of zero-sequence components was carried out for unit-connected generators of power up to 1200 MVA. The voltage zero-sequence components feeding the measuring element of the protections were determined at faults along the whole length of the generator stator winding

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Developments in Power System Protection, 2001, Seventh International Conference on (IEE)

Date of Conference: