Abstract

Soft open point (SOP) refers to a novel power electronic device installed in the distribution system to replace the traditional tie switch. The application of SOP will promote the flexibility and resilience of the distribution system in spatial scale. However, the energy storage system (ESS) is effective in energy transferring in time scale. SOP integrated with ESS (E-SOP) will form a new comprehensive energy conversion and storage device, which can significantly benefit the operation of active distributed network (ADN). First, a sequential optimization model of ADN with E-SOP is established, in which the model of E-SOP is developed fully considering the losses of converters and ESS. Then, the sequential optimization strategy of ADN with E-SOP is obtained. Finally, the modified IEEE 33-node test feeder is used to verify the effectiveness and efficiency of the proposed method.

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