Substation Optimization Planning Based on Distributed Generation

Abstract

Abstract:

Based on the constraint conditions of type, capacity, location of existing distribution generation (DG) in the planning area and substation load-bearing capacity, a comprehensive optimal planning model for substation with load demand satisfied, by considering DG and different block geographic information factors (GIF), the construction cost of distributed substation, the cost of feeder and operation cost including current supply losses, as well as the influence of GIF like land properties on the location and cost of construction. Furthermore, the influencial factors of different block geographic information on construction cost were obtained by means of interval analytical hierarchy process. Finally, optimization was carried out on the planning model by using quantum-behaved particle swarm optimization (QPSO) algorithm, and the proposed model and algorithm were proved to be scientific and effective through the empirical study on a planning area.

Key words: distribution generation, substation planning, geographic information factor, QPSO algorithm

LIU Zifa, ZHANG Wei, LI Ke, LIU Gang. Substation Optimization Planning Based on Distributed Generation[J]. ELECTRIC POWER CONSTRUCTION, 2013, 34(7): 37-42.

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