Cooperative Control Method of Hydro-photovoltaic Complementary Renewable Generation Base-MTDC System for Frequency Support of the Receiving-end

MA Wenlong; WANG Cheng; BI Tianshu

doi:10.13334/j.0258-8013.pcsee.242275

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Cooperative Control Method of Hydro-photovoltaic Complementary Renewable Generation Base-MTDC System for Frequency Support of the Receiving-end

更新时间：2026-10-05

- Cooperative Control Method of Hydro-photovoltaic Complementary Renewable Generation Base-MTDC System for Frequency Support of the Receiving-end
- Vol. 46, Issue 3, Pages: 1049-1064(2026)
- 作者机构：
  
  新能源电力系统全国重点实验室(华北电力大学)，北京市昌平区,102206
- 作者简介：
- 基金信息：
- DOI：10.13334/j.0258-8013.pcsee.242275
  CLC：
- Published：2026
- 稿件说明：
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MA Wenlong, WANG Cheng, BI Tianshu. Cooperative Control Method of Hydro-photovoltaic Complementary Renewable Generation Base-MTDC System for Frequency Support of the Receiving-end[J]. 2026, 46(3): 1049-1064.
DOI：

MA Wenlong, WANG Cheng, BI Tianshu. Cooperative Control Method of Hydro-photovoltaic Complementary Renewable Generation Base-MTDC System for Frequency Support of the Receiving-end[J]. 2026, 46(3): 1049-1064. DOI： 10.13334/j.0258-8013.pcsee.242275.

摘要

以水光互补新能源基地经送端双换流站柔性直流输电系统为对象，研究考虑支撑受端频率的水光互补新能源基地与多端柔直(multi-terminal direct current，MTDC)协同控制问题，提出既考虑送端双换流站协同配合，又体现大基地-多端柔直系统功率传递过程的协同频率支撑控制方法。首先，设计考虑受端频率稳定的水光互补新能源基地-多端柔直协同控制架构；随后，建立考虑大基地-多端柔直频率支撑控制的受端电网频率响应模型，应用前向差分法将其离散化，以便嵌入频率支撑控制参数时域优化模型；接着，提出考虑受端频率稳定需求、大基地-柔直调节能力及小干扰稳定的频率支撑控制参数优化方法；最后，通过PSCAD/EMTDC仿真验证送端双换流站协同控制的必要性及所提频率支撑控制参数优化方法的有效性。

Abstract

In this paper

taking the multi-terminal direct current (MTDC) transmission system via sending-end dual-converter station of a hydro-photovoltaic complementary renewable energy base with as the object

studies the hydro-photovoltaic complementary large-scale generation base-MTDC cooperative control problem considering the receiving-end frequency support. This paper proposes the cooperative frequency support control method considering the cooperation of the sending-end dual converter station and reflecting the power transfer process of the large-scale generation base-MTDC system. Firstly

a mathematical dynamic model of the large-scale generation base-MTDC cooperative frequency control is established

and the frequency support architecture of the large-scale generation base-MTDC system is proposed. Subsequently

the frequency response model of the receiving-end grid considering the frequency support control of the large-scale generation base-MTDC system is established

which is then discretized by applying the forward difference method for embedding into the time-domain optimization model. Then

the parameter optimization method of the frequency support control is proposed considering the frequency stability demand of the receiving end

the regulating capability of the large-scale generation base-MTDC system

and the stability of the control. Finally

the necessity of the cooperative control of the dual converter stations at the sending end and the effectiveness of the proposed parameter optimization method are verified by PSCAD/ EMTDC simulation.

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