Fault Recovery Operation Strategy for Distribution Network Coordinating Islanding and Reconfiguration

doi:10.3969/j.issn.1000-7229.2018.08.016

Abstract

Abstract: According to the operating characteristics of active distribution network, a fault recovery strategy, which can rationally coordinate the distribution network reconfiguration with isolated island partitioning, is presented. Firstly, load cutting and island partitioning are permitted by changing the constraints of traditional network reconfiguration model. Then, 0-1 state variables in constraints are used to simplify the primary model and improve calculating efficiency. Finally, the second-order cone relaxation technique is adopted to convert the original nonconvex nonlinear problem into a mixed integer second-order cone programming （MISOCP） problem, which can be solved easily. Simulation results on modified IEEE 33-bus system show the effectiveness of the strategy. Comparisons with other algorithms demonstrate the superiority and accuracy of algorithm in this paper.

Key words: fault recovery, network reconfiguration, island partitioning, mixed integer second-order cone programming （MISOCP）, distributed generation（DG）

CLC Number:

TM 73

MA Chenxiao, LIU Yang, XU Lixiong, LIU Yang, ZHU Jiayuan, LIN Xiao. Fault Recovery Operation Strategy for Distribution Network Coordinating Islanding and Reconfiguration[J]. Electric Power Construction, 2018, 39(8): 128-136.

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