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WU Xiao-jie~, SONG Wei~, ZUO Dong-sheng~, GENG Qing-e~, YANG Yan~. Application of Cascaded High-voltage Frequency Converter with Multi-level Based on H-bridge Unit in Mine Hoist[J]. Journal of Mine Automation, 2009, 35(3): 61-65.
Citation: WU Xiao-jie~, SONG Wei~, ZUO Dong-sheng~, GENG Qing-e~, YANG Yan~. Application of Cascaded High-voltage Frequency Converter with Multi-level Based on H-bridge Unit in Mine Hoist[J]. Journal of Mine Automation, 2009, 35(3): 61-65.
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Application of Cascaded High-voltage Frequency Converter with Multi-level Based on H-bridge Unit in Mine Hoist

  • 1.

    School of Information and Electrical Engineering of CUMT.,Xuzhou 221008,China.2.Xuzhou Baodi Electric Co.,Ltd.,Xuzhou 221008,China

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  • Aiming at the existed shortage of great running consumption that main mine hoist system of one coal mine used speed-regulation mode of serial rotor resistance of motor,the paper proposed a reform scheme of cascade high-voltage frequency-conversion with multi-level based on H-bridge power unit for electric control system of hoist,introduced structure and main technology characteristics of PLC technology control system of hoist and basic principle of implementation of frequency-conversion driving system.The practical application showed that the reformed high-voltage frequency-conversion system of mine hoist ran stably and achieved design demand completely.
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