Phase Rebalancing of Distribution Circuits Dominated by Single-Phase Loads

被引：7
|
作者：
Pereira, Orlando [1 ]
Quiros-Tortos, Jairo [1 ]
Valverde, Gustavo [1 ]
机构：
[1] Univ Costa, Sch Elect Engn, Elect Power & Energy Res Lab, San Jose 2060, Costa Rica
来源：
IEEE TRANSACTIONS ON POWER SYSTEMS | 2021年 / 36卷 / 06期
关键词：
Optimization; Load modeling; Integrated circuit modeling; Reduced order systems; Programming; Information systems; Bifurcation; Connectivity; distribution networks; graph theory; geographical information system; phase balancing; REDUCTION; SYSTEM; SCALE;
D O I：
10.1109/TPWRS.2021.3076629
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：
Phase balancing of American-type three-phase distribution circuits is one of the classical problems faced by distribution system operators and planners. In this paper, a mixed-integer non-linear programming problem is formulated to minimize the number of phase connection changes in existing circuits to reach the desired phase balancing. The proposed algorithm uses geographical information system models of distribution circuits to build a reduced model and realistic load profiles offered by smart meters, or measurements at the distribution transformers to characterize the demand. The formulation is validated in highly unbalanced distribution circuits with thousands of single-phase customers. The results show that it is possible to rebalance large-scale circuits by moving a few single-phase laterals and loads. In addition, the application of the proposed method, based on loading conditions at different hours of the day, pointed out the same places to make the changes.
引用
收藏
页码：5333 / 5344
页数：12
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