VOLTAGE CONTROL STRATEGY OF ACTIVE DISTRIBUTION NETWORK CONSIDERING DISTRIBUTED PHOTOVOLTAIC REACTIVE POWER MARGIN

Dai Jianfeng; Ma Xiaonan; Zhou Xia; Wang Weilun

doi:10.19912/j.0254-0096.tynxb.2025-0624

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Acta Energiae Solaris Sinica ›› 2026, Vol. 47 ›› Issue (9) : 428-436. DOI: 10.19912/j.0254-0096.tynxb.2025-0624

VOLTAGE CONTROL STRATEGY OF ACTIVE DISTRIBUTION NETWORK CONSIDERING DISTRIBUTED PHOTOVOLTAIC REACTIVE POWER MARGIN

Dai Jianfeng, Ma Xiaonan, Zhou Xia, Wang Weilun

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Abstract

In order to make full use of the distributed photovoltaic reactive power regulation ability to participate in the voltage coordination control of active distribution network and to improve the effectiveness and stability of voltage regulation, a voltage control strategy of active distribution network considering distributed photovoltaic reactive power margin is proposed in this paper. Firstly, based on the voltage sensitivity matrix, the interaction mechanism between distributed photovoltaic power control and node voltage change is clarified in detail, so as to determine the compensation priority of each node. Secondly, based on the reactive power regulation ability and voltage regulation sensitivity of distributed photovoltaic, the reactive power regulation margin index of distributed photovoltaic is established. Then, considering the reactive power regulation margin index and the compensation priority of the node, the voltage control model is established, and the voltage control model is solved efficiently by the particle swarm optimization algorithm with the precoding technology. Finally, the feasibility and effectiveness of the proposed method are verified by the simulation of the modified IEEE33-node system.

Key words

active distribution network / distributed photovoltaic / voltage control / reactive power margin / voltage sensitivity / particle swarm optimization

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Dai Jianfeng, Ma Xiaonan, Zhou Xia, Wang Weilun. VOLTAGE CONTROL STRATEGY OF ACTIVE DISTRIBUTION NETWORK CONSIDERING DISTRIBUTED PHOTOVOLTAIC REACTIVE POWER MARGIN[J]. Acta Energiae Solaris Sinica. 2026, 47(9): 428-436 https://doi.org/10.19912/j.0254-0096.tynxb.2025-0624

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