Researches on the Online Monitoring System for Partial Discharges of Power Cables in Smart Substations

doi:10.11930/j.issn.10.11930.2015.1.137

Abstract

Abstract: An online monitoring system in smart substations for partial discharges of cables based on IEC61850 was proposed. The detection principles and methods of partial discharges in cables were analyzed. A monitoring hardware system based on fiber synchronous triggering and fiber networks was designed as well as a monitoring software system which is a high-speed acquisition system based on UDP protocol and producer/consumer models. Moreover, this monitoring system’s results can be analyzed by an expert system and then shared via IEC61850 protocol. Finally, two kinds of partial discharge model experiments were simulated to verify the monitoring system. The results show that the system runs well, the monitors can distinguish partial discharge signals accurately, whose results can be shared via IEC61850 protocol.

Key words: IEC61850, smart substation, power cable, partial discharge, on-line monitoring, communication protocol, monitoring platform

CLC Number:

TM769

JIA Zihang, LI Yanqing. Researches on the Online Monitoring System for Partial Discharges of Power Cables in Smart Substations[J]. journal1, 2015, 48(1): 137-141.

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URL: https://www.electricpower.com.cn/EN/10.11930/j.issn.10.11930.2015.1.137

https://www.electricpower.com.cn/EN/Y2015/V48/I1/137

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