考虑蓄能热惯性的综合能源系统阶段式故障优化供能策略

doi:10.11959/j.issn.1000-0801.2019160

Abstract

Abstract:

The advantages of multi energy conversion and coordination energy supply in the integrated energy system and the thermal inertia characteristics of the cold storage/thermal system were considered to realize the rapid recovery of energy supply system when the energy supply system fails.The power relationship of multi energy flow in all kinds of energy conversion equipment was studied.The import power of all kinds of energy conversion equipment was controlled to achieve cooperative operation.The dynamic response time of all kinds of energy conversion equipment and the method of energy storage capacity adjustment with thermal inertia of heat storage and heat storage equipment was analyzed.The dynamic response time were used as the target to optimize the running strategy,and the priority of energy supply and the optimal matching of power supply were realized when the multi energy conversion equipment fails,and the final optimal operation strategy was obtained.The example shows that the resilience of multi energy coordination and energy storage capacity can quickly deal with the energy supply failures in various scenes,realize energy supply extension at the hour level,and realize fast energy supply recovery in the energy supply system for integrated energy systems.

Key words: multi-flow conversion, dynamic response time, thermal inertia, optimization of operation strategy, quick recovery of energy supply failure

CLC Number:

TP393

WANG Li,CHEN Dongwen,LI Junge,ZENG Shunqi,LI Yong. Energy optimization strategy for integrated energy system considering energy storage thermal inertia[J]. Telecommunications Science, 2019, 35(6): 33-40.

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References 16

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设备	主要参数设置
热泵（HP）	额定功率：6 MW；目标供回水温差5℃；制冷效率：4；响应时间：90 s
蓄冷设备（CS）	额定蓄冷功率：1 MW；供冷功率：1 MW；目标供回水温差8℃；最大供回水温差10℃蓄冷放冷效率：0.85；响应时间：80 s
燃气锅炉（GB）	额定供热功率：11.5 MW；额定蒸汽流量：15 t/h；响应时间：600 s
蓄热器（HS）	额定蓄热功率：1.2 MW；额定蓄热蒸汽流量：1.6 t/h；供热效率：0.95
	额定供热功率：0.75 MW；额定供热蒸汽流量：1 t/h；响应时间：100 s
吸收式制冷机组（XC）	额定功率：2 MW；目标供回水温差5℃；响应时间：180 s
燃气轮机（GT）	额定功率：10 MW；燃气轮机效率：0.42；响应时间：480 s
光伏电池（PV）	电池效率：0.2；光伏板总面积：5 000 m²；响应时间：1 s
蓄电池（ES）	额定充电功率：1 MW；额定放电功率：1 MW；充放电效率：0.9；响应时间：1 s
风力发电机（WT）	风轮掠过总面积：5 000 m²；发电效率：0.35；响应时间：1 s
余热锅炉（HB）	额定供热功率：13 MW；余热利用效率：0.90；响应时间：600 s

Energy optimization strategy for integrated energy system considering energy storage thermal inertia

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