Risk Assessment of Substation Automation System Failure Considering Human Reliability

doi:10.12096/j.2096-4528.pgt.19051

Power Generation Technology ›› 2019, Vol. 40 ›› Issue (5): 448-454.DOI: 10.12096/j.2096-4528.pgt.19051

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Risk Assessment of Substation Automation System Failure Considering Human Reliability

Yu HUANG¹(),Meng JIANG¹,Jianlian ZHANG²,Weihan LIAO²,Chuangxin GUO²

¹ Guiyang Electric Power Supply Bureau, Guiyang 550002, Guizhou Province, China
² College of Electrical Engineering, Zhejiang University, Hangzhou 310027, Zhejiang Province, China

Received:2019-04-14 Published:2019-10-30 Online:2019-11-05
Supported by:
National Natural Science foundation of China(51537010)

Abstract

Abstract:

Currently, there are few research on the influence of human reliability upon the reliability of integrated substation automation system (ISAS). This paper proposed a risk assessment method of ISAS considering human reliability. First, according to the operators work condition, estimate the human error probability based on analytic hierarchy process-smart substation automation system to correct the failure probability of physical devices. Then, adopt the function decomposition based method to assess the failure risk of functions. Finally, obtain the failure risk of ISAS by mixing the function risks to characterize the reliability of ISAS and offer guidance to dispatching department. The big impact of human reliability on the ISAS risk is demonstrated in case study, which means considering human reliability is more objective than the traditional method.

Key words: substation automation system, smart substation, human reliability

Yu HUANG,Meng JIANG,Jianlian ZHANG,Weihan LIAO,Chuangxin GUO. Risk Assessment of Substation Automation System Failure Considering Human Reliability[J]. Power Generation Technology, 2019, 40(5): 448-454.

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Risk Assessment of Substation Automation System Failure Considering Human Reliability

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