Transient Model And Simulation In Three-Phase Three-Limb Transformers

C. E. Lin, J. C. Yeh, C. L. Huang, C. L. Cheng

研究成果: Article同行評審

15 引文 斯高帕斯(Scopus)


When a three-phase three-limb transformer, whose primary windings are Y-connected with isolated neutral, is energized or reclosed by asynchronous closure of the circuit breaker poles, the transient voltage at the still disconnected transformer terminal and the transient current flowing from the connected windings may reach considerably high values. This can cause serious damage to a transformer and equipment connected to the transformer. The transient phenomenon is closely related to the switching sequence of the circuit breaker poles, switching-on angles, remanent flux, and the magnetic saturation characteristics of the transformer's iron core. This paper presents a simple and effective method to predict the transient phenomenon of transformers. The proposed method formulates a simplified model to represent the transient phenomenon under various operating conditions. Simulations and experiments both are demonstrated to support the proposed method.

頁(從 - 到)896-905
期刊IEEE Transactions on Power Delivery
出版狀態Published - 1995 4月

All Science Journal Classification (ASJC) codes

  • 能源工程與電力技術
  • 電氣與電子工程


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