Design of Setting Management System of Relay Protection to Anti-Grade Trip in Coal Mine Based on Serial Communication

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Abstract:

Because of personnel deployment flow, protection equipment and electric device replacement, and enterprise scale expansion, setting management is more difficult. It is easy to be out of control and become the main reason for the anti-grade trip. To solve the anti-grade trip problem of setting mismanagement, this paper designed one setting management system, which is composed of slave controller and upper server. After analysis, the communication process based on the TCP/IP protocols, the communication scheme is chosen between slave controller and upper server. Software within upper server is designed based on database technology. Slave controller gets the setting from relay protection device, by using IEC 60870-5-103 protocols based on serial communication, and sends to the software within the upper server, which can monitor, display and record. Setting management problem was solved, which is caused by the personnel deployment flow, protection equipment replacement, and enterprise scale expansion. This method can be widely used.

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109-112

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September 2013

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© 2013 Trans Tech Publications Ltd. All Rights Reserved

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