冰灾天气下考虑输配协同的电-热联合系统韧性提升策略

doi:10.12204/j.issn.1000-7229.2024.05.002

电力建设 ›› 2024, Vol. 45 ›› Issue (5): 9-18.doi: 10.12204/j.issn.1000-7229.2024.05.002

• 新型电力系统韧性基础理论与关键技术·栏目主持许寅教授、时珊珊高工、魏韡副教授· • 上一篇下一篇

冰灾天气下考虑输配协同的电-热联合系统韧性提升策略

王志伟¹, 王伟², 李德鑫², 王长江³(), 付麟博³(), 闫佳博³

1.国网吉林省电力有限公司,长春市 130022
2.国网吉林省电力有限公司电力科学研究院,长春市 130021
3.东北电力大学电气工程学院, 吉林省吉林市 132012

收稿日期:2023-06-19 出版日期:2024-05-01 发布日期:2024-04-29
通讯作者: 王长江(1989),男,博士,硕士生导师,主要研究方向为电力系统稳定性分析与控制,E-mail:cjwangneepu@163.com。
作者简介:王志伟(1970),男,正高级工程师,主要研究方向为电力系统及其自动化;
王伟(1986),男,高级工程师,主要研究方向为新能源电力系统优化运行;
李德鑫(1985),男,高级工程师,主要研究方向为电力系统及其自动化;
付麟博(1996),女,博士研究生,主要研究方向为综合能源系统优化和电力市场,E-mail:fulinbo123@aliyun.com;
闫佳博(2000),男,硕士研究生,主要研究方向为电力系统韧性提升。
基金资助:
国家自然科学基金项目(51877033);国网吉林公司科技项目(B32342210001)

Enhancing Resilience in Electric-Heat Combined System: Coordinated Approach for Transmission and Distribution Network During Ice Disasters

WANG Zhiwei¹, WANG Wei², LI Dexin², WANG Changjiang³(), FU Linbo³(), YAN Jiabo³

1. State Grid Jilin Electric Power Co., Ltd., Changchun 130022, China
2. State Grid Jilin Electric Power Co., Ltd. Electric Research Institute, Changchun 130021, China
3. School of Electrical Engineering,Northeast Electric Power University,Jilin 132012,Jilin Province,China

Received:2023-06-19 Published:2024-05-01 Online:2024-04-29
Supported by:
National Natural Science Foundation of China(51877033);State Grid Jilin Electric Power Co., Ltd. Research Program(B32342210001)

摘要/Abstract

摘要：

严寒地区冬季的极端冰灾天气易给电力设施带来严重危害。同时,随着电-热联合系统的广泛应用,电力设施的故障也会影响到用户供热需求的满足。为保障人们对供电与供热的需求,加强电-热联合系统抵御冰灾天气的能力,文章提出了一种考虑输配协同的电-热联合系统韧性提升方法。首先建立冰灾天气对输电线路影响的综合载荷模型,并利用蒙特卡洛状态抽样法建立输电网的故障场景集。其次,分析输配协同下含光热电站的电-热联合系统组成并构建其运行模型。然后,构建了考虑韧性提升的电-热联合系统的负荷削减模型。最后,利用算例系统验证了所提模型的有效性。结果表明该策略可以兼顾冰灾天气下对系统电、热负荷的需求,对电-热联合系统起到一个较好的韧性提升作用。

关键词: 冰灾天气, 光热电站, 输配协同, 电-热联合系统, 韧性提升

Abstract:

Extreme ice-disasters during severe winter conditions in cold areas pose significant risks to basic power facilities, often leading to disruptions in heating services, particularly with the widespread adoption of electric-heat combined systems. To ensure uninterrupted power supply and heating services, alongside enhancing the resilience of electric-heat combined system against ice disaster weather, this study proposes a method that incorporates the coordination of transmission and distribution networks. Initially, a comprehensive load model for ice disaster conditions on transmission lines was established, and a fault scenario within the transmission network was generated using the Monte Carlo state sampling method. Subsequently, the composition and modeling of the electric-heat combined system pertaining to a concentrating solar power station were analyzed. Furthermore, a load-reduction model was constructed concerning the electric-heat combined system considering resilience improvement. Finally, the effectiveness of the proposed model was verified. The results demonstrated that the proposed strategy addresses both electrical and heat load requirements during ice disasters, significantly enhancing the resilience of electric-heat combined systems.

Key words: ice disaster weather, concentrating solar power, coordination of transmission and distribution networks, electric-heat combined system, resilience improvement

中图分类号:

TM712

王志伟, 王伟, 李德鑫, 王长江, 付麟博, 闫佳博. 冰灾天气下考虑输配协同的电-热联合系统韧性提升策略[J]. 电力建设, 2024, 45(5): 9-18.

WANG Zhiwei, WANG Wei, LI Dexin, WANG Changjiang, FU Linbo, YAN Jiabo. Enhancing Resilience in Electric-Heat Combined System: Coordinated Approach for Transmission and Distribution Network During Ice Disasters[J]. ELECTRIC POWER CONSTRUCTION, 2024, 45(5): 9-18.

图/表 14

图1 电-热联合系统结构

Fig.1 Structure of electric-thermal combined system

图2 光热电站结构

Fig.2 Structure of CSP

图3 算例系统拓扑结构图

Fig.3 The topology of test system

表1 光热电站参数

Table 1 The parameters of CSP

表2 配电网分布式电源容量

Table 2 The capacity of distributed generators in distribution network

图4 冰灾发生过程中线路故障率

Fig.4 The failure rate of lines during ice disaster

表3 输电网线路受冰灾影响情况

Table 3 The situation of lines in transmission network affected by ice disaster

图5 冰灾天气下不同地理位置线路的综合载荷情况

Fig.5 The comprehensive load of lines in different locations under ice disaster

图6 不同场景输电网负荷状态变化对比图

Fig.6 Comparison of load state changes of transmission network in different scenarios

表4 输电网韧性评估指标

Table 4 Evaluation index of resilience of transmission network

图7 不同场景配电网负荷状态变化对比图

Fig.7 Comparison of load state changes of distribution network in different scenarios

表5 配电网韧性评估指标

Table 5 Evaluation index of resilience of distribution network

图8 不同场景热负荷状态变化对比图

Fig.8 Comparison of state changes of thermal load in different scenarios

表6 热负荷韧性评估指标

Table 6 Evaluation index of resilience of the thermal load

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冰灾天气下考虑输配协同的电-热联合系统韧性提升策略

Enhancing Resilience in Electric-Heat Combined System: Coordinated Approach for Transmission and Distribution Network During Ice Disasters

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