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A Multipurpose Protective Device of the 10kV Single Branch Line Realized by PLC

Kang Jinhui (Dept.Of E.E.Of shaanxi institute of technology)  
The constituted elements of 10kV and its below protection power system is of electromagnet, transistor and microcomputer. In the paper, the author presents What is constituted by PLC. The main considerations are as follows: the relay protection function is realized by PLC programming. The data acquirements and data comparisons are performed by hardware system. Having been run on simulated experiments for many times, the designed device measures up to requirements of the relay function,which is of certain engineering value.
【CateGory Index】: TM77
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Chinese Journal Full-text Database 1 Hits
1 Wang ZhanduoShanxi Institute of Technology;Approach to Current Protection of Electric Network byUsing Programmable Controller(PLC)[J];SICHUAN UNIVERSITY OF SCIENCE AND TECHNOLOGY;1997-01
Chinese Journal Full-text Database 1 Hits
1 ;Present State and Development Prospects of Power System Relay Protection[J];ELECTRIC POWER;1999-10
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