Appropriate load modeling for evaluating the reliability of smart distribution systems in order to decrease the computing time concerning the accuracy of calculations

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Hariri Ali Mohammad; Akhavan hejazi Maryam; HASHEMI DEZAKI HAMED

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Journal: IRANIAN ELECTRIC INDUSTRY JOURNAL OF QUALITY AND PRODUCTIVITY (IEIJQP) Year:2019 | Volume:7 | Issue:2 (14) Page(s): 95-112

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Title

Appropriate load modeling for evaluating the reliability of smart distribution systems in order to decrease the computing time concerning the accuracy of calculations

Author(s)

Hariri Ali Mohammad | Akhavan hejazi Maryam | | HASHEMI DEZAKI HAMED | Issue Writer Certificate

Keywords

reliabilityQ1

load modelingQ3

analytical methodQ1

distributed generations (DGs)Q1

smart electrical distribution systemsQ1

sensitivity analysisQ2

increasing the computing speedQ3

Abstract

This paper presents a novel appropriate load modeling for decreasing the load levels and evaluating the reliability of smart distribution system including various distributed generations by using the analytical method. Because of several uncertainties in a smart distribution system, the computing time and complexity of calculations in evaluating the reliability indices are the major challenges. Hence by decreasing the computing time of reliability evaluation methods, it is possible to solve the large optimization problems according to the accelerated methods. During the decrement of computing time, it is necessary to achieve a reasonable accuracy. In the proposed method, three scenarios for reliability-based load modeling are presented. The time-based aggregation without any default, time-based aggregation according to several assumptions, and amplitude-based aggregation are the three presented scenarios. Providing the mathematical modeling for implementation of the discussed scenarios is one of the contributions of this article. The proposed method has been applied to the IEEE 33-Bus Test Distribution System and an actual distribution system from Esfahan Province Electrical Distribution Company (EPEDC). The obtained results illustrated the effectiveness of the proposed method. The results show that, by choosing an appropriate load level reduction scenario (time-based or amplitude-based aggregation scenarios), the 90% of the required time for reliability calculations can be saved, while less than 1% error has occurred. Performing the sensitivity analyses in order to determine the more important parameters in the proposed load level reduction methodology is another advantage of this article. The sensitivity analyses results imply that due to increment in load variance of the distribution system in presence of other uncertain parts, the more comprehensive and smart studies are needed.

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APA: Copy

Hariri, Ali Mohammad, Akhavan hejazi, Maryam, & HASHEMI DEZAKI, HAMED. (2019). Appropriate load modeling for evaluating the reliability of smart distribution systems in order to decrease the computing time concerning the accuracy of calculations. IRANIAN ELECTRIC INDUSTRY JOURNAL OF QUALITY AND PRODUCTIVITY (IEIJQP), 7(2 (14) ), 95-112. SID. https://sid.ir/paper/226187/en

Vancouver: Copy

Hariri Ali Mohammad, Akhavan hejazi Maryam, HASHEMI DEZAKI HAMED. Appropriate load modeling for evaluating the reliability of smart distribution systems in order to decrease the computing time concerning the accuracy of calculations. IRANIAN ELECTRIC INDUSTRY JOURNAL OF QUALITY AND PRODUCTIVITY (IEIJQP)[Internet]. 2019;7(2 (14) ):95-112. Available from: https://sid.ir/paper/226187/en

IEEE: Copy

Ali Mohammad Hariri, Maryam Akhavan hejazi, and HAMED HASHEMI DEZAKI, “Appropriate load modeling for evaluating the reliability of smart distribution systems in order to decrease the computing time concerning the accuracy of calculations,” IRANIAN ELECTRIC INDUSTRY JOURNAL OF QUALITY AND PRODUCTIVITY (IEIJQP), vol. 7, no. 2 (14) , pp. 95–112, 2019, [Online]. Available: https://sid.ir/paper/226187/en

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