适用于多端柔性直流输电系统的通用控制策略

CHEN Peng

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适用于多端柔性直流输电系统的通用控制策略

更新时间：2025-08-13

- 适用于多端柔性直流输电系统的通用控制策略
- Automation of Electric Power Systems Vol. 40, Issue 21, Pages: 47-52(2016)
- 作者机构：
  
  许继电气股份有限公司,河南省,许昌市,461000
- 作者简介：
- 基金信息：
- DOI：
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- Published：2016
- 稿件说明：
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CHEN Peng. [J]. Automation of electric power systems, 2016, 40(21): 47-52.
DOI：

CHEN Peng. [J]. Automation of electric power systems, 2016, 40(21): 47-52. DOI：

摘要

随着柔性直流输电技术的不断发展与成熟

多个换流站并联组成的多端柔性直流输电系统成为必然趋势

而换流站数量的不断增多

对多端控制策略提出了更大的挑战。在此背景下

文中提出了一种适应于多端柔性直流输电系统的通用控制策略

其通过权衡系数实现了定直流电压控制与定有功功率控制的灵活切换

通过合理选择权衡系数的计算函数可模拟传统的多端控制策略

并能设计出新型的多端控制策略。最后

在MATLAB/Simulink下搭建了五端柔性直流输电系统进行多个仿真

验证了通用控制策略的正确性与可行性。

Abstract

With the steady development and maturity in flexible high voltage direct current(HVDC)technology

the voltage source converter based multi-terminal high voltage direct current(VSC-MTDC)system with more converter stations has become an inevitable tendency. And the increase of converter stations is posing greater challenges to the multi-terminal control strategy. In this background

this paper proposes a general control strategy for the VSC-MTDC system

with which flexible switching between DC voltage control and active power control can be realized using the weighing coefficient. By rationally choosing the function for calculating the weighing coefficient

the conventional multi-terminal control strategy can be simulated. And a new multi-terminal control strategy can also be designed. A typical five-terminal VSC-MTDC system based on MATLAB/Simulink is built for simulation verification. Simulation results show the correctness and feasibility of the proposed general control strategy. This work is supported by State Grid Corporation of China.

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