Coordinated Real-Time Voltage Control in Active Distribution Networks: An Incentive-Based Fairness Approach

被引:28
|
作者
Sun, Xianzhuo [1 ]
Qiu, Jing [1 ]
Tao, Yuechuan [1 ]
Ma, Yuan [1 ]
Zhao, Junhua [2 ,3 ]
机构
[1] Univ Sydney, Sch Elect & Informat Engn, Sydney, NSW 2006, Australia
[2] Chinese Univ Hong Kong, Sch Sci & Engn, Shenzhen 518100, Peoples R China
[3] Chinese Univ Hong Kong, Shenzhen Inst Artificial Intelligence & Robot Soc, Shenzhen 518100, Peoples R China
基金
中国国家自然科学基金;
关键词
Voltage control; Reactive power; Voltage measurement; Optimization; Distribution networks; Capacitors; Real-time systems; Fair voltage control strategy; incentive-based mode selection method; multi-dimensional; adaptive voltage dead band; economic compensation; REACTIVE POWER; VOLT/VAR CONTROL; INVERTERS;
D O I
10.1109/TSG.2022.3162909
中图分类号
TM [电工技术]; TN [电子技术、通信技术];
学科分类号
0808 ; 0809 ;
摘要
This paper proposes a three-stage incentive-based fair voltage control strategy to mitigate fast voltage violations in distribution networks while ensuring the benefits of both distribution system operators (DSO) and photovoltaics (PV) customers. In the first stage, optimal power flow (OPF) is formulated as a mixed-integer second-order cone programming (MISOCP) and performed in the central controller (CC) to obtain day-ahead dispatch of on-load tap changers (OLTC) and capacitor banks (CBs) based on forecasting data of PV and load. In the second stage, two voltage control modes namely optimal voltage control mode (OVM) and fair voltage control mode (FVM) are first formulated. The incentive-based mode selection method is then developed to make a decision by comparing the total benefits in each mode. In the third stage, a multi-dimensional adaptive local voltage control strategy is proposed to sequentially regulate reactive power output and active power curtailment of PVs in real time. The control curve is designed with an adaptive voltage dead band to activate voltage regulation in time. The multi-dimensional characteristics also help track the optimal operating points with varying PV and load to further reduce network power losses. Moreover, the fairness is guaranteed by providing economic compensation for each PV from the DSO, which is estimated in the second stage and corrected in the third stage. The proposed approach is tested on the IEEE 33-bus distribution system and simulation results verify the effectiveness both in addressing voltage problems and ensuring the fairness of PVs in economic benefits.
引用
收藏
页码:2650 / 2663
页数:14
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