主动配电网孤岛划分的混合整数规划模型

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Abstract Reactive power balance is an important factor restricting the feasibility and safety of islanding.As the main reactive power source of the active distribution network,the power characteristics of the distributed generation (DG) are often neglected so that it is difficult to satisfy the power balance of islands.In order to conciliate accuracy and computational performance,a mixed integer programming model for islanding partition of the active distribution network is established.The P-Q capability limits of DGs are linearized based on the analytic geometry model,which can consider the power characteristics of the doubly-fed wind generator,the synchronous generator,and the voltage source inverter-based generator.The product terms between the voltage and the power in the Kirchhoff’s current equations are linearized using the bi-linear model.The separation model is used for solving the variations of the islanding network topology and the load shedding problems.The square terms are linearized by adopting the special ordered sets-2.The numerical results of case studies demonstrate that the proposed model is of high accuracy and good adaptability;and DG’s operation satisfies its power characteristics and practical engineering.Furthermore,the rationalizing segmentation is the key to the feasibility of the island scheme and the solution of proposed model,whose recommended value is more than 12.But there is no monotonous relationship between segments and CPU time.

Key words： Active distribution network islanding partition distributed generation mixed integer programming analytic geometry bi-linear model

Received: 02 August 2015 Published: 24 August 2016

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TM727

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	Articles by authors
	Wang Longjun
	Guo Junhong
	Wang Gang
	Zhong Qing

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Wang Longjun,Guo Junhong,Wang Gang等. A Mixed Integer Programming Model for Islanding Partition of Active Distribution Network[J]. Transactions of China Electrotechnical Society, 2016, 31(15): 136-146.

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https://dgjsxb.ces-transaction.com/EN/ OR https://dgjsxb.ces-transaction.com/EN/Y2016/V31/I15/136

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