Scheme of Protection and Monitor Underground High-Voltage Power Supply System Based on PROFINET

Hai Bo Liu; Yu Mei Wang

doi:10.4028/www.scientific.net/AMM.668-669.741

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vols. 668-669Scheme of Protection and Monitor Underground...

Scheme of Protection and Monitor Underground High-Voltage Power Supply System Based on PROFINET

Abstract:

Short circuit protection of high-voltage power lines in coal mine cannot realize selectivity with existing protection systems. To solve this problem, a scheme of protection and monitor underground based on PROFINET was proposed. The system is mainly composed of PROFINET network, monitor, controller, and integrated protector with PROFINET IO interface circuit. The system achieves protection and power monitoring network integration, completes the selectivity of short circuit protection, and can determine fault position quickly. Thus the troubleshooting time is cut and reliability of power supply network is improved. The simulation results show that the POROFINET real-time meets the requirement of protection and the system can realize short-circuit protection and power monitor function.

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Periodical:

Applied Mechanics and Materials (Volumes 668-669)

Pages:

741-744

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.668-669.741

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Online since:

October 2014

Authors:

Hai Bo Liu*, Yu Mei Wang

Keywords:

Coal Mines, Ethernet, Monitoring, Real Time Control, Relay Protection

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* - Corresponding Author

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