Research on SO2 Online Monitoring Device of SF6 Electrical Equipment

doi:10.11930/j.issn.1004-9649.201612089

Electric Power ›› 2018, Vol. 51 ›› Issue (2): 33-38.DOI: 10.11930/j.issn.1004-9649.201612089

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Research on SO₂ Online Monitoring Device of SF₆ Electrical Equipment

WEI Jing¹, MO Xiaoxiang¹, CHENG Fengzhi², DING Wuxing³

1. Hechi Power Supply Company, Hechi 547009, China;
2. Sichuan Electric Power Company Maintenance Branch Chengdu Operation and Maintenance Station, Chengdu 610031, China;
3. T&P Union (Beijing) Co., Ltd., Beijing 100096, China

Received:2016-12-08 Revised:2017-10-02 Online:2018-02-05 Published:2018-02-11

Abstract

Abstract: Online monitoring for SO₂ and its trend has important significance for fault pre-warning and analysis of SF₆ electrical equipment. Based on ultraviolet fluorescence method, an online monitoring device is designed including SO₂ UV fluorescence optical path system, detection circuit, software and online lossless gas sampling system. The online lossless gas sampling system has many merits including automatic sampling, gas recovery, gas wastage, leakage and pollution prevention and multiple decomposition gases detection. Experimental test results and field operation show that proposed device can satisfy needs of online SO₂ monitoring of power equipment.

Key words: SF₆ electrical equipment, SO₂ online monitoring, ultraviolet fluorescence, lossless sampling, automatic sampling, continuous detection, fault pre-warning

CLC Number:

WEI Jing, MO Xiaoxiang, CHENG Fengzhi, DING Wuxing. Research on SO₂ Online Monitoring Device of SF₆ Electrical Equipment[J]. Electric Power, 2018, 51(2): 33-38.

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URL: https://www.electricpower.com.cn/EN/10.11930/j.issn.1004-9649.201612089

https://www.electricpower.com.cn/EN/Y2018/V51/I2/33

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Research on SO₂ Online Monitoring Device of SF₆ Electrical Equipment

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