广东电力2025，Vol.38Issue(1)：91-100,10.DOI:10.3969/j.issn.1007-290X.2025.01.010
超高压移相变压器的特性分析及其拓扑参数优化设计
Characteristics Analysis and Parameter Optimization Design of Ultra-high Voltage Phase Shifting Transformer
摘要
Abstract
With the continuous expansion of power system interconnection scale,the phenomenon of unreasonable power flow distribution is prone to occur,and phase shifting transformers are widely used worldwide to solve the problem of power flow distribution.Therefore,there is a wide practical demand for optimizing the performance or cost of phase-shifting transformers.Firstly,this paper analyzes the topology and regulation characteristics of the phase-shifting transformer,and establishes its circuit model.It also derives,analyzes and calculates the influence of the internal impedance of the symmetrical phase-shifting transformer on the phase shifting angle.Then it proposes an optimized winding configuration method to facilitate the formulation of control strategies.Secondly,in response to the problem of the body model of the phase shifting transformer,based on the unified magnetic circuit method,the paper proposes an electromagnetic model of a dual center symmetrical phase shifting transformer.Through finite element simulation,no-load and short-circuit tests are carried out so as to ensure the key performance indicators of the phase shifting model meet expectations,reducing the calculation error of internal impedance to 1.92%.Finally,the paper uses an improved differential evolution algorithm for multi-objective optimization of the structural parameters of PST.The finite element simulation results show that while ensuring the output characteristics remain unchanged,the optimized volume reduces by about 12.04%.Copper loss decreased by about 10.6%,and iron core loss decreased by about 6.9%.关键词
移相变压器/电磁模型/内阻抗/参数优化设计/潮流调控Key words
voltage phase shifting transformer/electromagnetic model/internal impedance/parameter optimization design/power flow regulation分类
信息技术与安全科学引用本文复制引用
金维刚,刘航亚,翟志峰,袁佳歆..超高压移相变压器的特性分析及其拓扑参数优化设计[J].广东电力,2025,38(1):91-100,10.基金项目
国家电网有限公司华中分部科技项目(52140023000N) （52140023000N）
