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LIU Zhong-fu~, LIU Zhong-qiang~, YANG Ya-ning~. Research of Integrated Protection System of High-voltage Flameproof Switch Based on Multi-CPU Control[J]. Journal of Mine Automation, 2008, 34(6): 1-5.
Citation: LIU Zhong-fu~, LIU Zhong-qiang~, YANG Ya-ning~. Research of Integrated Protection System of High-voltage Flameproof Switch Based on Multi-CPU Control[J]. Journal of Mine Automation, 2008, 34(6): 1-5.
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Research of Integrated Protection System of High-voltage Flameproof Switch Based on Multi-CPU Control

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    College of Electromechanical and Information Engineering of Dalian Nationalities University,Dalian 116605,China.2.No.2 Laboratory of Shenyang Institute of Automation of Chinese Academy of Sciences,S

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  • Aiming at the problems of little ability of current carrying,simple protection, high fault rate of flameproof switch for underground 6 kV power grid,the paper proposed a design scheme of integrated protection system of high-voltage flameproof switch based on multi-CPU control,analyzed working(principle) of fault protection of 6 kV high-voltage power grid of coal mine underground,and introduced(design) of hardware and software of the system in details.The integrated protection system of high-voltage flameproof switch based on multi-CPU control used(single-chip) microcomputer MSP430F149 and DSP TMS320VC5402 as main controllers,and the main(controllers) synthetically analyzed all kinds of signals of power grid in order to realize function of general monitoring for high-voltage power grid.The experiment(result) showed that the system is stable in running,reliable in action and accurate in display.
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