Transformers Magazine, Vol. 8 No. 3, 2021.
Original scientific paper
Deviation of short-circuit impedance from specified design value
Vitaly Gurin
Abstract
The statistical processing of the measurement results of the short-circuit impedance of 1175 HV and EHV transformers, performed in 1983, is described. As feedback, recommendations were given to designers on the optimal choice of short-circuit impedance without the risk of unreasonable rejection of transformers during the testing phase. In the author's opinion, his recommendations have not lost
their significance up to this day.
Keywords
power transformers, short-circuit impedance, statistical methods, testing, ZTZ
Hrčak ID:
261401
URI
Publication date:
8.7.2021.
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