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Coordinated Operation and Planning of Integrated Electricity and Gas Community Energy System with Enhanced Operational Resilience
Tianjin University, Tianjin, China.
Tianjin University, Tianjin, China.
Tianjin University, Tianjin, China.
State Grid Customer Service Centre, Tianjin, China.
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2020 (English)In: IEEE Access, E-ISSN 2169-3536, Vol. 8, p. 59257-59277, article id 9044352Article in journal (Refereed) Published
Abstract [en]

The coupling in integrated electricity and gas community energy system (IEGS) provides alternative operation modes when unpredictable outages occur at energy-supply sides. Reasonable operation strategies and system configuration can effectively improve the system's resilience, making reliable and continuous operation feasible. Based on the complementary characteristics and reserve capabilities of IEGS, this paper proposes a multi-stage scheduling strategy for resilience enhancement in which thermal storage serves as emergency response resources. The resilient scheduling framework consists of rolling reserve optimization stage, day-ahead economic dispatch stage and fault restoration stage. With the reserve capacity of energy storage generated by rolling optimization and day-ahead dispatch, multiple forms' critical loads will be satisfied in priority when outage occurs on energy-supply sides. Furthermore, a two-level planning model integrating the resilient operation strategy is formulated to better adapt to the source emergency. The proposed planning method is applied to an IEGS with practical demands as a case study. The results show that the configuration generated by the two-level planning model can satisfy the daily reserve requirements for emergency failures, and the resilient scheduling strategy with storage reserve can improve the system resilience effectively.

Place, publisher, year, edition, pages
Institute of Electrical and Electronics Engineers Inc. , 2020. Vol. 8, p. 59257-59277, article id 9044352
Keywords [en]
energy outage, energy storage, Integrated electricity and gas community energy system (IEGS), operational resilience, planning, Electric energy storage, Energy resources, Heat storage, Scheduling, Complementary characteristics, Coordinated operation, Emergency response resources, Reserve optimizations, Reserve requirements, Scheduling frameworks, Scheduling strategies, System configurations, Electric load dispatching
National Category
Energy Engineering
Identifiers
URN: urn:nbn:se:mdh:diva-47560DOI: 10.1109/ACCESS.2020.2982412ISI: 000549809000003Scopus ID: 2-s2.0-85083032875OAI: oai:DiVA.org:mdh-47560DiVA, id: diva2:1425975
Available from: 2020-04-23 Created: 2020-04-23 Last updated: 2020-09-18Bibliographically approved

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Li, Hailong

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