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	An efficient reliability evaluation method for distribution system with transmission capacity constraints
	Wu Su-nong ; Wu Wen-chuan ; Zhang Bo-ming
	2010-10-12 ; 2010-10-12
关键词	Practical Theoretical or Mathematical/ Jacobian matrices load flow Newton method power distribution reliability/ reliability evaluation method transmission capacity constraints feeder root node load points reliability reliability equivalent circuit Newton power flow calculation method Jacobian matrix radial power network distribution system reliability factorization method network topology factor graph topology/ B8120J Distribution networks B0170N Reliability B0290F Interpolation and function approximation (numerical analysis) B0290H Linear algebra (numerical analysis)
中文摘要	On the basis of minimal path a reliability equivalent calculation with equivalence recursion is proposed. According to distance between load points and root node of feeders, the proposed method performs layer sorting for them, and based on layer-numbers of the nodes where loads locate their reliability indices are stepwise calculated. During the calculation of reliability of load points in each layer, the reliability equivalent circuit of all equipments located in this layer and upper layers is calculated and is used by following calculation procedures. Moreover, a concise Newton power flow calculation method using constant Jacobian matrix that is applied to radial power network is proposed to calculate the impact of transmission capacity on reliability of distribution system. Based on factorization method the network topology of radial power network and the topology of factor graph are analyzed and it is proved that the two topologies are the same, on this basis a Newton power flow algorithm that possesses similar program to branch-oriented forward/backward sweep algorithm is developed. This algorithm is easy to be programmed and implemented and converges as fast as traditional Newton method. Case study results show that the proposed reliability evaluation algorithm is efficient.
语种	中文
出版者	Electric Power Research Institute ; China
内容类型	期刊论文
源URL	[http://hdl.handle.net/123456789/82402]
专题	清华大学
推荐引用方式 GB/T 7714	Wu Su-nong,Wu Wen-chuan,Zhang Bo-ming. An efficient reliability evaluation method for distribution system with transmission capacity constraints[J],2010, 2010.
APA	Wu Su-nong,Wu Wen-chuan,&Zhang Bo-ming.(2010).An efficient reliability evaluation method for distribution system with transmission capacity constraints..
MLA	Wu Su-nong,et al."An efficient reliability evaluation method for distribution system with transmission capacity constraints".(2010).

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