The Optimal Configuration of Feeder Switches in DAS Based on Pareto Optimality Solution

Ge Lan Zhu; Yi Ge Ma

doi:10.4028/www.scientific.net/AMR.1008-1009.461

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 1008-1009The Optimal Configuration of Feeder Switches in...

The Optimal Configuration of Feeder Switches in DAS Based on Pareto Optimality Solution

Abstract:

In urban radial networks, the feeder is often complex with a main line, branches and even sub-branches. It is necessary to optimize the configuration of automation switching devices in distribution automation system (DAS) to reduce the impact range of power outage and improve the power supply reliability. The interruption frequency and the space-time relationship among the switching devices were ignored in the most of researches. This paper presents a new reliability planning scheme of switching devices in DAS which involves three types of circuit breakers and three types of load switches. The model which target is to get the minimal cost, the lowest average annual interruption frequency and the least interruption duration is built thereby. The constraint is the availability rate of electricity supply of load node. Based on the Pareto optimality theory, the multi-objective differential evolution algorithm is adopted to solve the Pareto front efficiently. The proposed algorithm can provide many optional choices and the final scheme can be chosen based on the situation. Finally, a practical example is used to illustrate the developed scheme.

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Periodical:

Advanced Materials Research (Volumes 1008-1009)

Pages:

461-465

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.1008-1009.461

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Online since:

August 2014

Authors:

Ge Lan Zhu*, Yi Ge Ma

Keywords:

Distribution Automation System (DAS), Feeder Switches, Optimal Switches Configuration, Pareto Optimality

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