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Study on the Algorithm of the Distribution Network Power Flow Computation and Reconfiguration

Author: FengKe
Tutor: LiuWanShun
School: Beijing
Course: Proceedings of the
Keywords: Flow calculation Distribution Network Reconfiguration Before the push back to the pushing method Compensation current loop impedance method Genetic Algorithms Tabu Search
CLC: TM76
Type: Master's thesis
Year: 2002
Downloads: 469
Quote: 1
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Abstract


This article discusses several distribution network operation optimization algorithms. Focus on the distribution power flow calculation and distribution network reconfiguration in two ways. Distribution power flow calculation of radiation network and weak ring two cases. This paper uses two kinds of computing solutions , and compared . One of them is the use of distribution network flow calculation commonly used in forward and backward extrapolation radial load flow calculation , for weak ring network using the compensation current processing method, the idea is to ring opening , in open loop simulation punishable by a current source open loop before the state. The second option is the use of loop impedance method . The basic idea is to have as a loop for each load , the load is equivalent to a grounding impedance , plus loops together to form a loop impedance matrix , thus iterative solution network trend. Distribution network reconfiguration , this paper uses an improved genetic algorithm and Tabu Search Combination . The idea of ??tabu search throughout the entire process of genetic iteration , each new generation of chromosomes in the process of formation , should be tested, abandon previous generations search to local optima , as well as the formation of the local optima changes experienced direction , ignoring many unnecessary searches , thus saving the iteration time , but also effectively avoid local optima .

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CLC: > Industrial Technology > Electrotechnical > Transmission and distribution engineering, power network and power system > Power system automation
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