An Improved Three-point Method for Power Flow Calculation based on Halton Sequence

Jinyu Wang; Peiyu Wu

doi:10.54097/fcis.v4i1.9406

Authors

Jinyu Wang
Peiyu Wu

DOI:

https://doi.org/10.54097/fcis.v4i1.9406

Keywords:

Halton Sequence, Improved Three-point Method, Probabilistic Power Flow, New Energy Power Generation

Abstract

With the development of electric power system, it is necessary to expand the scale of new energy power generation to meet the demand of peak cutting and valley filling. The new energy power generation presents intermittenity and volatility, so it is a hot research topic to use the theory of point estimation method to study the power system planning based on uncertainty quantity. This paper improved the three-point estimation method in probabilistic power flow calculation, combined with Halton sequence sampling method to make sampling samples more uniform, and then added a pair of estimation points on the basis of the three-point estimation method, so as to improve the precision of power flow calculation without calculating the fourth moment. The proposed method is verified on IEEE14 and IEEE33 node systems, and the results verify the rationality of the improved three-point method based on Halton sequence.

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