大规模新能源经柔性直流孤网送出系统的稳定新问题与控制方法

LI Yan; XIN Qingming; YANG Ziqian; FENG Junjie; YUAN Hao; HUANG Biyue

doi:10.13336/j.1003-6520.hve.20241334

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大规模新能源经柔性直流孤网送出系统的稳定新问题与控制方法

更新时间：2026-02-25

- 大规模新能源经柔性直流孤网送出系统的稳定新问题与控制方法
- Issue 11, Pages: 5354-5366(2025)
- 作者机构：
  
  直流输电技术全国重点实验室(南方电网科学研究院有限责任公司),广州,510663
- 作者简介：
- 基金信息：
- DOI：10.13336/j.1003-6520.hve.20241334
  CLC：
- Published：2025
- 稿件说明：
移动端阅览
LI Yan, XIN Qingming, YANG Ziqian, et al. 大规模新能源经柔性直流孤网送出系统的稳定新问题与控制方法[J]. 2025, (11): 5354-5366.
DOI：

LI Yan, XIN Qingming, YANG Ziqian, et al. 大规模新能源经柔性直流孤网送出系统的稳定新问题与控制方法[J]. 2025, (11): 5354-5366. DOI： 10.13336/j.1003-6520.hve.20241334.

摘要

随着沙漠、戈壁、荒漠等新能源基地的大规模开发，柔性直流成为大规模新能源远距离送出的推荐方案之一。为此，聚焦大规模新能源基地经柔性直流孤网送出系统的稳定新问题，分析了同步稳定、能量平衡和宽频振荡三大稳定问题机理，提出了新能源与柔性直流功率协同、耗能装置协同控制、附加阻尼控制与阻抗适配器等暂态稳定控制方法，通过电磁暂态仿真，验证了提出的稳定控制方法能够有效保证大规模新能源柔性直流送出系统的稳定运行，对大规模新能源经柔性直流送出系统的建设和运行具有一定的参考价值。

Abstract

With development of large-scale renewable energy base built in deserts

Gobi and desertification

the VSC-HVDC has become one of the recommended solutions for large-scale renewable energy long-distance transmission. Therefore

focusing on the stability issues of large-scale renewable energy island transmission systems via VSC-HVDC

this paper analyzes the mechanisms of synchronous stability

energy balance

and wideband oscillation. Novel stability controls are proposed such as coordination control of renewable energy and VSC-HVDC

coordination control of energy-consuming devices

additional damping control

and impedance adapter. Through electromagnetic transient simulation

it is verified that the proposed stability control method can be adopted to effectively ensure the stable operation of large-scale new energy via VSC-HVDC transmission system

which has certain reference value for the construction and operation of large-scale new energy via VSC-HVDC transmission system.

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