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LIU De-jun~, TIAN Fu-tai~. Design of a New Type of Intelligent Low-voltage Feed Switch[J]. Journal of Mine Automation, 2009, 35(1): 40-42.
Citation: LIU De-jun~, TIAN Fu-tai~. Design of a New Type of Intelligent Low-voltage Feed Switch[J]. Journal of Mine Automation, 2009, 35(1): 40-42.
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Design of a New Type of Intelligent Low-voltage Feed Switch

  • 1.

    College of Electricial and Information Engineering of Beihua University,Jilin 132021,China.2.Dept.of Engineering Management of Jilin Petrochemical Co., Ltd.,Jilin 132021,China

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  • The paper introduced a new type of intelligent low-voltage feed switches used in distribution system of coal mine underground and expounded design of hardware and software.The feed switch took PLC as core and set up overload protection,short-circuit protection,leakage protection,over-voltage and low-voltage protection.Meanwhile,it had functions of man-machine conversation and communication.The field test showed that the feed switch had high precision and could improve the security and reliability of power supply system of coal mine greatly.
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