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1.浙江大学工程师学院,浙江省杭州市 310015
2.国网吉林省电力有限公司,吉林省长春市 130000
唐坤霆(2000—),男,硕士研究生,主要研究方向:综合能源系统韧性。E-mail:22260127@zju.edu.cn
周永智(1987—),男,通信作者,博士,副教授,博士生导师,主要研究方向:新能源电力系统运行与控制。E-mail:zhouyongzhi@zju.edu.cn
李宝聚(1986—),男,博士,高级工程师,主要研究方向:电力系统调度运行与管理。E-mail:libaoju1986@163.com
收稿:2024-01-09,
修回:2024-05-02,
网络出版:2024-06-11,
纸质出版:2024-11-10
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唐坤霆,周永智,李宝聚等.考虑热惯性的极端冰雪灾害下综合能源系统韧性提升[J].电力系统自动化,2024,48(21):129-137.
TANG Kunting,ZHOU Yongzhi,LI Baoju,et al.Resilience Enhancement of Integrated Energy Systems Under Extreme Ice and Snow Disasters Considering Thermal Inertia[J].Automation of Electric Power Systems,2024,48(21):129-137.
唐坤霆,周永智,李宝聚等.考虑热惯性的极端冰雪灾害下综合能源系统韧性提升[J].电力系统自动化,2024,48(21):129-137. DOI: 10.7500/AEPS20240109001.
TANG Kunting,ZHOU Yongzhi,LI Baoju,et al.Resilience Enhancement of Integrated Energy Systems Under Extreme Ice and Snow Disasters Considering Thermal Inertia[J].Automation of Electric Power Systems,2024,48(21):129-137. DOI: 10.7500/AEPS20240109001.
近年来,极端冰雪灾害导致配电网大规模停电事故频发,严重危害到人民群众的冷暖安危。目前,综合能源系统中热电耦合密切,极端冰雪灾害发生时如何通过热能提升电力系统韧性依然面临挑战。为提升综合能源系统应对极端冰雪灾害的能力,充分发挥热能特性,首先,文中提出了极端冰雪灾害下配电网线路的故障模型;其次,结合热网传输延时特性和热负荷的热惯性,对综合能源系统进行建模;然后,基于两阶段分布鲁棒优化模型提出了灾前利用建筑物热惯性存储热能、配置储热量,灾后闭合联络开关、优化故障抢修的综合能源系统韧性提升策略;最后,搭建热电耦合算例进行仿真验证。结果表明,所提韧性提升策略能够充分挖掘热能潜力,兼顾了经济性和鲁棒性
实现了综合能源系统韧性提升。
In recent years
extreme ice and snow disasters have led to frequent large-scale power outages in distribution networks
seriously endangering the safety of people’s heating and cooling. At present
the thermal-electric coupling in the integrated energy system is close
and how to improve the resilience of the power system through thermal energy when extreme ice and snow disasters occur is still unsolved. In order to improve the ability of integrated energy system to cope with extreme ice and snow disasters and fully exploit the thermal energy characteristics
firstly
the fault model of distribution network line under extreme ice and snow disasters is proposed. Secondly
combined with the transmission delay characteristic of heat network and the thermal inertia of heat load
a model of integrated energy systems is established. Then
based on the two-stage distributed robust optimization model
a strategy for enhancing the resilience of integrated energy systems is proposed
which uses the thermal inertia of buildings to store thermal energy and allocates thermal storage capacity before disaster as well as closes the interconnection switches and optimizes fault repair after disasters. Finally
a case of thermal-electric coupling is set up for simulation verification. The results show that the resilience enhancement strategy can fully tap the thermal energy potential
balance the economy and robustness
and realize the resilience enhancement of the integrated energy system.
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