Distribution Network Reconfiguration with Distributed Generation Based on CPSO Algorithm

doi:10.3969/j.issn.1000-7229.2016.04.016

Abstract

Abstract:

With the development of new energy technology in the field of distribution network, the distributed generation （DG） connected to distribution network has become a hot research area. It will appear weak loops and non-PQ nodes in the distribution network with DGs compared with the traditional distribution network, and the traditional power flow calculation method only can be used for PQ nodes and radial network. In order to solve the distribution network reconfiguration problem after DG connection, this paper uses superposition theory to solve the weak loop during switching process, and improves power flow calculation method based on forward-backward sweep method which can make the nodes in DG involved in the power flow calculation. Combining the advantages of crisscross optimization （CSO） algorithm and particle swarm optimization （PSO） algorithm, we propose crisscross particle swarm optimization （CPSO） algorithm to optimize the reconfiguration problem of distribution network with DG. Finally, the simulation is based on typical distribution network with 33 nodes with considering DG access modes of PI node, PV node, PQ（V） node, whose results show that the reasonable access of DG in distribution network can reduce the network loss and improve the voltage quality.

Key words: distributed generation （DG）, distribution network reconfiguration, crisscross optimization （CSO） algorithm, weak loops

CLC Number:

TM 727

YIN Hao，LI Deqiang，GE Jiafei，WANG Wei,HONG Junjie. Distribution Network Reconfiguration with Distributed Generation Based on CPSO Algorithm[J]. Electric Power Construction, 2016, 37(4): 104-109.

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