面向频率安全分层防御的新能源综合调频控制

张宇博; 彭慕尧; 任思睿; 王清澜; 杨松浩; 郝治国

doi:10.19783/j.cnki.pspc.260220

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面向频率安全分层防御的新能源综合调频控制

理论分析 | 更新时间：2026-09-28

- 面向频率安全分层防御的新能源综合调频控制
- An integrated frequency support control strategy for renewable energy toward layered defense of frequency security
- 电力系统保护与控制 2026年54卷第19期
- 作者机构：
  
  西安交通大学电气工程学院,陕西,西安,710049
- 作者简介：
- 基金信息：
- DOI：10.19783/j.cnki.pspc.260220
  中图分类号：
- 纸质出版：2026
- 稿件说明：
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张宇博, 彭慕尧, 任思睿, 等. 面向频率安全分层防御的新能源综合调频控制[J]. 电力系统保护与控制, 2026,54(19).

ZHANG Yubo, PENG Muyao, REN Sirui, et al. An integrated frequency support control strategy for renewable energy toward layered defense of frequency security[J]. Power System Protection and Control, 2026, 54(19).
张宇博, 彭慕尧, 任思睿, 等. 面向频率安全分层防御的新能源综合调频控制[J]. 电力系统保护与控制, 2026,54(19). DOI： 10.19783/j.cnki.pspc.260220.

ZHANG Yubo, PENG Muyao, REN Sirui, et al. An integrated frequency support control strategy for renewable energy toward layered defense of frequency security[J]. Power System Protection and Control, 2026, 54(19). DOI： 10.19783/j.cnki.pspc.260220.

摘要

新能源机组的虚拟惯量控制(virtual inertia control

VIC)能有效平抑系统频率波动，但在面临极端扰动时难以实现频率轨迹主动纠偏，系统存在频率越限风险。为兼顾一般扰动下功率支撑的平稳性与极端扰动下的系统频率安全性，提出了一种面向频率安全分层防御的新能源综合调频控制策略。首先，分析了VIC等被动响应式新能源调频策略的局限性，提出了系统频率安全分层防御机制。然后，提出了基于状态重构的频率安全边界生成方法，并设计了能自动投退的频率轨迹重塑控制器。最后，构建了VIC与轨迹重塑控制融合的新能源综合调频控制策略，使得新能源机组在系统频率逼近安全边界时自适应激活轨迹重塑控制，实施频率安全主动防御。仿真结果表明，所提策略无需复杂的广域通信，且能在不增加系统运行负担的前提下，充分挖掘新能源的灵活调频潜能，显著提升了极端扰动下系统的频率安全。

Abstract

Although virtual inertia control (VIC) of new energy units can effectively suppress system frequency fluctuations

it struggles to actively correct frequency trajectories under extreme disturbances

exposing the system to the risks of frequency limit violations. To balance the stability of power support under general disturbances and frequency security under extreme contingencies

this paper proposes a renewable energy integrated frequency regulation control strategy for layered defense of frequency security. First

the limitations of passive response-based frequency regulation strategies

such as VIC

are analyzed

and a hierarchical defense mechanism for system frequency security is proposed. Then

a frequency security boundary generation method based on state reconstruction is proposed. Furthermore

a frequency trajectory reshaping controller with automatic activation and deactivation capability is designed. Finally

an integrated renewable energy frequency regulation control strategy is constructed by fusing VIC with trajectory reshaping control. It enables renewable energy units to seamlessly switch to trajectory reshaping control when approaching the security boundary

thereby achieving active defense for frequency security. The simulation results show that the proposed strategy does not require complex wide-area communication. Moreover

without increasing the routine operational burden of the system

it can fully tap the flexible frequency regulation potential of new energy and significantly enhances system frequency security under extreme disturbances.

关键词

Keywords

references

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国家质量监督检验检疫总局, 中国国家标准化管理委员会. 电力系统自动低频减负荷技术规定: GB/T 40596—2021[S]. 北京: 中国标准出版社, 2021.

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MITCHELL I M, BAYEN A M, TOMLIN C J. A time- dependent Hamilton-Jacobi formulation of reachable sets for continuous dynamic games[J]. IEEE Transactions on Automatic Control, 2005, 50(7): 947-957.

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