Application of Series Type BTB Converter for Minimizing Circulating Current and Balancing Power Transformers in Loop Distribution Lines

A method for minimizing circulating current and balancing power transformer in loop distribution line of an industrial park is proposed. The proposed method uses a series type back-to-back (BTB) converter in loop distribution line of industrial park. Loop distribution line is formed by tying end of...

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Hauptverfasser: Simanjorang, R., Miura, Y., Ise, T., Sugimoto, S., Fujita, H.
Format: Tagungsbericht
Sprache:eng
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Zusammenfassung:A method for minimizing circulating current and balancing power transformer in loop distribution line of an industrial park is proposed. The proposed method uses a series type back-to-back (BTB) converter in loop distribution line of industrial park. Loop distribution line is formed by tying end of two radial lines by a looping wire. Looping wire has a re-closer circuit breaker to localize fault inside loop. Operation of the circuit breaker depends on the zero sequence voltage and current detection of series type BTB converter. This proposed method solves the problem of heavily loaded and lightly-loaded lines condition in distribution line autonomously, which results in lower utilization of transformers and increases losses in electricity system of the industrial park. By employing this proposed method, effective utilization of apparatus is realized by minimizing circulating current and balancing power of transformers in loop distribution line. Analysis and simulation results to validate the proposed method are presented in this paper.
DOI:10.1109/PCCON.2007.373088