Optimal Operation Strategy of Micro-integrated Energy System Considering Heat and Power Cogeneration Characteristics of AA-CAES Devices
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Optimal Operation Strategy of Micro-integrated Energy System Considering Heat and Power Cogeneration Characteristics of AA-CAES Devices
Vol. 46, Issue 2, Pages: 480-490(2020)
作者机构:
1. 国网湖北省电力有限公司经济技术研究院
2. 华中科技大学电气与电子工程学院强电磁工程与新技术国家重点实验室
3. 华中科技大学电气与电子工程学院电力安全与高效湖北省重点实验室
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Published Online:29 February 2020,
Published:2020
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CAI Jie, ZHANG Shixu, LIAO Shuang, et al. Optimal Operation Strategy of Micro-integrated Energy System Considering Heat and Power Cogeneration Characteristics of AA-CAES Devices[J]. 2020, 46(2): 480-490.
DOI:
CAI Jie, ZHANG Shixu, LIAO Shuang, et al. Optimal Operation Strategy of Micro-integrated Energy System Considering Heat and Power Cogeneration Characteristics of AA-CAES Devices[J]. 2020, 46(2): 480-490.DOI:
Optimal Operation Strategy of Micro-integrated Energy System Considering Heat and Power Cogeneration Characteristics of AA-CAES Devices
摘要
为更好地发挥先进绝热压缩空气储能(advanced adiabatic compressed air energy storage
AA-CAES)装置与微型综合能源系统(micro-integrated energy system
MIES)多能协调互补等优势
优化系统运行经济性及灵活性
提出一种考虑AA-CAES装置参与热电联储/供的MIES优化运行策略。首先
提出了含AA-CAES的MIES系统热电联储/供的调度架构;其次
分析了AA-CAES装置储热、换热及供热等关键环节的运行特性
建立了AA-CAES进行热电联储/供及提供旋转备用的调度模型;在此基础上
综合考虑交直流配电网和区域供热系统中调度资源的运行特点
构建了计及AA-CAES装置热电联储/供特性的MIES整体调度模型;最后
采用修改IEEE 14节点配电网和母线式区域供热系统进行算例分析。仿真结果表明
所提优化运行策略可有效削减MIES运行成本
提高MIES可再生能源消纳能力
增强MIES运行灵活性。
Abstract
Advanced adiabatic compressed air energy storage(AA-CAES) devices and micro-integrated energy system(MIES) have multiple advantages such as multi-energy coordination. In order to make full use of these advantages and optimize system operation economics and flexibility
we proposed an optimized scheduling strategy in which AA-CAES devices participating in heat and power cogeneration in MIES are taken into account. Firstly
a scheduling architecture of the MIES was proposed. Secondly
the operation characteristics of several critical operation processes of AA-CAES such as the thermal energy storage process and the heat exchange process were analyzed in detail. Then
a model of heat and power cogeneration and a model of spinning reserv of AA-CAES were built. Thereby
the scheduling model of the whole MIES was established after the operation characteristics of scheduling resources in the AC/DC distribution network and the districted heating system are taken into account. At last
case studies based on the modified IEEE14-bus system and a typical bus-type district heating system were carried out. The simulation results show that AA-CAES can effectively reduce system operating costs
improve the renewable energy consumption rate
and enhance system operating flexibility after participating in the cogeneration of heat and powers and multi-type auxiliary services.