Recursive Method for Distribution System Reliability Evaluation

Huaizhi Wang, Xian Zhang, Qing Li, Guibin Wang, Hui Jiang and Jianchun Peng
Additional contact information
Huaizhi Wang: College of Mechatronics and Control Engineering, Shenzhen University, Nanshan District, Shenzhen 518060, China
Xian Zhang: Department of Electrical Engineering, The Hong Kong Polytechnic University, Hong Kong, China
Qing Li: Maintenance & Test Center, CSG EHV Power Transmission Company, Guangzhou 518026, China
Guibin Wang: College of Mechatronics and Control Engineering, Shenzhen University, Nanshan District, Shenzhen 518060, China
Hui Jiang: College of Optoelectronic Engineering, Shenzhen University, Nanshan District, Shenzhen 518060, China
Jianchun Peng: College of Mechatronics and Control Engineering, Shenzhen University, Nanshan District, Shenzhen 518060, China

Energies, 2018, vol. 11, issue 10, 1-15

Abstract: This paper proposes a novel hybrid recursive method for distribution system reliability evaluation to deal with the computational limit and low-efficiency problem which exist in previously developed techniques as the system becomes larger. This method includes a bottom-up process and a top-down process, which are developed on the basis of a recursive principle, and the synthesis of both processes yield the reliability performance of each bus of the system. The bottom-up process considers the effects of downstream failures on upstream customers, and the top-down process considers the effects of upstream failures on downstream customers. In addition, a novel switch zone concept is defined and introduced into the bottom-up recursive process to save the computation cost. Besides, section technique (ST) and shortest path method (SPM) are employed to effectively simplify the recursive path and thus, the computation efficiency can be improved. The most significant feature of the proposed method over ST, SPM, failure mode and effect analysis (FMEA) is that it provides a more generalized equivalent approach to maximally simplify the network for reliable evaluation irrespective of the network topology. The effectiveness of the proposed method has been validated through comprehensive tests on Roy Billinton test system (RBTS) bus 6 and a practical-sized distribution system in China.

Keywords: distribution system; reliability evaluation; reliability network equivalent approach; recursive process; section technique (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2018
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (2)

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