Wideband Transformer Model for EMT simulations

カテゴリ: 研究会(論文単位)

論文No: HV18096

グループ名: 【B】電力・エネルギー部門 高電圧研究会

発行日: 2018/08/02

タイトル(英語): Wideband Transformer Model for EMT simulations

著者名: Bamdad Salarieh(University of Manitoba),De Silva Jeewantha(MHI),Shafieipour Mohammad(MHI)

著者名(英語): Salarieh Bamdad(University of Manitoba),Jeewantha De Silva(MHI),Mohammad Shafieipour(MHI)

キーワード: Wideband |backbox |hybrid |whitebox |internal voltages|simulation|Wideband |backbox |hybrid |whitebox |internal voltages|simulation

要約(日本語): The fast and very fast transient over-voltages can damage the insulation of transformer windings. To assess the internal over-voltages, a detailed transformer model is required. This paper discusses the implementation of wideband hybrid transformer model in EMTP-type program (combination of black-box and white-box approaches) considering frequency dependency of resistance and also saturation. The internal voltages are computed by fast numerical inverse Laplace transform and also recursive- convolution through rational function approximation. Further improvements are discussed to increase the accuracy and computational efficiency of the model. This paper compares the two well-known black-box and white-box models regarding their data requirements and limitations.

要約(英語): The fast and very fast transient over-voltages can damage the insulation of transformer windings. To assess the internal over-voltages, a detailed transformer model is required. This paper discusses the implementation of wideband hybrid transformer model in EMTP-type program (combination of black-box and white-box approaches) considering frequency dependency of resistance and also saturation. The internal voltages are computed by fast numerical inverse Laplace transform and also recursive- convolution through rational function approximation. Further improvements are discussed to increase the accuracy and computational efficiency of the model. This paper compares the two well-known black-box and white-box models regarding their data requirements and limitations.

原稿種別: 英語

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