Improve of Human Reliability by Identifying and Evaluating Potential and Actual Roots of Maintenance Team Errors in the Power Transmission Grids

Subject Areas : Renewable energy

Mehdi Tavakoli ¹ , Mehdi Nafar ²

1 - Department of Electrical Engineering- Marvdasht Branch, Islamic Azad University, Marvdasht, Iran
2 - Department of Electrical Engineering- Marvdasht Branch, Islamic Azad University, Marvdasht, Iran

Received: 2020-12-06 Accepted : 2021-01-28 Published : 2021-08-23

Keywords: maintenance groups, human error, classification system method, human factors analysis, power transmission,

Abstract :

Human life and the economy of a country are becoming more and more dependent on electricity. However, events that occur due to various factors in the power grids, affect the quality of electrical energy delivered to subscribers. The human error of maintenance teams is one of the most important causes of automatic outputs of electrical equipment. Human error, in addition to the economic consequences of not transiting electrical energy due to equipment outages, may also cause health damage to personnel. The purpose of this study is to propose a method for analyzing the human reliability of maintenance teams in power transmission grids, which has been implemented as a case study on power transmission grids teams in Fars. The first step is to identify the roots of human error. So far, no comprehensive studies have been conducted on the root causes of human error in power transmission grids. Therefore, in this article, the actual and potential roots of various aspects such as organization, individual moods, supervision, etc. are identified and predicted in the framework of the method of human factors analysis and classification system. Then, a method is proposed to estimate the probability of the root event to use its results to prioritize the necessary control and corrective measures to reduce human error.

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