Power Flow Optimization and Control Method for Distribution Networks Based on Hybrid Power Electronics Transformers

LI Yuehua; WANG Shuai; MA Zhuoran; YANG Zhiming; LIAO Xiaobing

doi:10.11930/j.issn.1004-9649.202505070

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Power Flow Optimization and Control Method for Distribution Networks Based on Hybrid Power Electronics Transformers

更新时间：2025-10-29

- Power Flow Optimization and Control Method for Distribution Networks Based on Hybrid Power Electronics Transformers
- Vol. 58, Issue 10, Pages: 171-179(2025)
- 作者机构：
  
  1. 国网冀北电力有限公司张家口供电公司,河北,张家口,075000
  2. 国网冀北电力有限公司智能配电网中心,河北,秦皇岛,066100
  3. 武汉工程大学电气信息学院,湖北,武汉,430205
- 作者简介：
- 基金信息：
- DOI：10.11930/j.issn.1004-9649.202505070
  CLC：
- Published Online：23 October 2025，
  
  Published：2025
- 稿件说明：
移动端阅览
李岳华, 王帅, 马卓然, 杨智明, 廖小兵. 基于混合电力电子变压器的配电网潮流优化调控方法[J]. 中国电力, 2025, 58(10): 171-179.

LI Yuehua, WANG Shuai, MA Zhuoran, et al. Power Flow Optimization and Control Method for Distribution Networks Based on Hybrid Power Electronics Transformers[J]. 2025, 58(10): 171-179.
李岳华, 王帅, 马卓然, 杨智明, 廖小兵. 基于混合电力电子变压器的配电网潮流优化调控方法[J]. 中国电力, 2025, 58(10): 171-179. DOI： 10.11930/j.issn.1004-9649.202505070.

LI Yuehua, WANG Shuai, MA Zhuoran, et al. Power Flow Optimization and Control Method for Distribution Networks Based on Hybrid Power Electronics Transformers[J]. 2025, 58(10): 171-179. DOI： 10.11930/j.issn.1004-9649.202505070.

摘要

针对大规模分布式电源（distributed generation，DG）接入配电网带来的电能质量问题，提出一种基于混合电力电子变压器（hybrid power electronics transformer，HPET）的配电网潮流优化调控方法，旨在提升配电网对DG的容纳能力。构建电压源模型和功率注入模型描述HPET的稳态特性，并考虑HPET的非线性电压调节能力和电力电子器件的约束条件，提出了HPET序列线性规划（sequential linear programming，SLP）方法。通过算例仿真验证，所提方法通过协调多台HPET的运行，为高渗透率DG接入的配电网提供了一种低成本、高效的电压/无功控制解决方案，提升了配电网DG的利用率。

Abstract

Aiming at the power quality problems brought by the access of large-scale distributed power (DG) to the distribution network

this paper proposes distribution network power flow optimization control method based on hybrid power electronic transformer (HPET)

which aims to improve the accommodation capacity of the distribution network for DG. The steady-state of HPET are described by establishing a voltage source model and a power injection model

and the HPET sequential linear programming (SLP) method is proposed by considering the nonlinear voltage capability and the constraints of power electronic devices. Through example simulation verification

the proposed method provides a low-cost and efficient voltage/reactive power control solution for the distribution network high-penetration DG access by coordinating the operation of multiple HPET

which improves the utilization of DG in the distribution network.

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references

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