Coal Science and Technology. 2012, (06) Core

Study on Current Limited Method of Electric Cable Short Circuit Fault in Underground MineChinese Full Text

WANG Yan-wen,ZHAO Tie-ying,MA Feng-lin(School of Electromechanical and Information Engineering,China University of Mining and Technology(Beijing),Beijing 100083,China)

Abstract: The paper introduced the work principle and structure of the high volume and high speed switch FSR and stated a current limited method with FSR parallel to the two ends of the reactor connecting with electric cable line in underground mine.With the analysis on the action time sequence and the EMTP/ATP emulation model,a deep study was conducted on the current and voltage variation process when the mine power supply system was in normal operation or in short circuit.The EMTP/ATP emulation results showed that the application of the method could effectively limit the current level of the short circuit and could reduce the energy consumption and lost of the current limited reactor when the circuit was in normal operation.

Keywords：

high volume; high speed switch; current limited reactor; electric cable short circuit; EMTP/ATP;

DOI：
10.13199/j.cst.2012.06.86.wangyw.003
Series：
Subject：
Classification Code：
TM471

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Study on Current Limited Method of Electric Cable Short Circuit Fault in Underground MineChinese Full Text

WANG Yan-wen,ZHAO Tie-ying,MA Feng-lin(School of Electromechanical and Information Engineering,China University of Mining and Technology(Beijing),Beijing 100083,China)

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