Distribution Network Line Loss Allocation Method Taking into Account Distributed Power Sources and Economic Operation Intervals

Abstract

AbstractIn the medium and low voltage distribution network, the access capacity of distributed power sources continues to increase, and the traditional method of distribution network loss coefficients is no longer in line with market rules and balanced development. The method in this paper analyzes the relationship between the operation status change of the distribution network and the line loss after the distributed power supply is connected, and establishes a line loss allocation model considering the economic operation time correction. The correction calculation depends on the operation of the distributed power supply network in a certain period of time. The change of economic time does not involve human participation and discards the influence of subjective factors. Taking an actual distribution network as an example, the method is applied, and the influence of distributed power access on the line loss is presented in time periods. The method is compared with the improved average network loss coefficient method to verify the effectiveness and rationality of the method.KeywordsDistribution network line lossDistributed power generationAllocation methodEconomic operation interval