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Iranian Journal of Electrical and Electronic Engineering، جلد ۱۷، شماره ۱، صفحات ۱۷۳۴-۱۷۳۴
عنوان فارسی
چکیده فارسی مقاله
کلیدواژه‌های فارسی مقاله
عنوان انگلیسی Impact of Human Error Modeling on Failure Rate and Optimum Routine Test Interval of Protection System
چکیده انگلیسی مقاله Power systems should have acceptable reliability in order to operate properly. Highly available and dependable protective relays help to obtain the desirable reliability. The relays should be periodically evaluated during specific intervals to achieve the mentioned characteristics. The Routine Test Interval (RTI) should be optimized in order to economically maximize the reliability of the protection system. The failure rate of the relays plays a vital role in determination of the Optimum Routine Test Interval (ORTI). Human error is one of the effective factors in the failure rate of the relays. Therefore, in this paper, a Markov model is proposed to investigate the impact of human error on the failure rate and the ORTI of the protection system. The model is applied for the protection system of power transformer. The obtained results indicated that human error has a significant impact on the increase of protection system failure, the decrease of the desired reliability indices, and the reduction of ORTI of the protection system.
کلیدواژه‌های انگلیسی مقاله Human Error, Failure Rate of Protection System, Reliability, Markov Model, Optimum Routine Test Interval.
نویسندگان مقاله | A. Mirsamadi
Faculty of Electrical Engineering and Robotic, Shahrood University of Technology, Shahrood, Iran.


| Y. Damchi
Faculty of Electrical Engineering and Robotic, Shahrood University of Technology, Shahrood, Iran.


| M. Assili
Faculty of Electrical Engineering and Robotic, Shahrood University of Technology, Shahrood, Iran.
نشانی اینترنتی http://ijeee.iust.ac.ir/browse.php?a_code=A-10-2263-1&slc_lang=en&sid=1
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کد مقاله (doi)
زبان مقاله منتشر شده en
موضوعات مقاله منتشر شده Power Systems Reliability
نوع مقاله منتشر شده Research Paper
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