分散型電源の動特性を考慮した将来型配電系統の集中型電圧分布制御方式の検討

概要

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In a future distribution network, it is difficult to maintain system voltage because a large number of distributed generators are introduced to the system. The authors have proposed “voltage profile control method” using power factor control of distributed generators in the previous work. In the case the all information of the system is available, an ideal stationary solution of control orders to distributed generators is given by an optimization calculation. However, it is difficult to apply the ‘optimization control’ in real time because a long calculation time is required for the optimization. Therefore, it is possible that the voltage change occurs before the power factor control has finished. Thus, in this paper, we develop a new control method which can save the excessive voltage changes considering the controlled response time of distributed generators. The proposed method is tested in a 24-node distribution network model.
2009-04-01