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heat Pumps in Denmark:Current Situation in Providing Frequency Control Ancillary Services

CSEE Journal of power and Energy Systems 2022年第3期8卷 769-779页

作者： Menglin Zhang Qiuwei Wu Theis Bo Harild Rasmussen Xiaodong Yang Jinyu Wen Department of Electrical Engineering Centre for Electric Power and EnergyTechnical University of DenmarkKgs.LyngbyDenmark State Key Laboratory of Advanced Electromagnetic Engineering and Technology Huazhong University of Science and TechnologyWuhan 430074China

-The Danish government set an ambitious goal to achieve a fully renewable-based energy system by 2050.In this context,the integrated electricity and heating system is undergoing rapid development in Denmark as a promising way to accommodate the ever-growing renewable energy sources(RESs).The electric heat pumps(HPs),coupled with the power and heat sectors,can propagate the flexibility on the heat consumer side to the power system operations,playing an important role of improving system flexibility and balancing the variability of the RES.In this paper,the current development situation of HPs in Denmark is analyzed,including both the large-scale HPs in the district heating system and individual HPs on the residential side.The possibility of using HPs to provide frequency control ancillary service(FCAS)is analyzed according to the market and technical requirements of the FCAS in the Danish transmission system and experimental results of representative demonstration projects of HPs.A comprehensive analysis of the advantages,barriers,future prospects,and challenges for using HPs to provide the FCAS are carried out from the perspectives of different entities.

关键词： Danish energy system frequency control ancillary service individual heat pumps integrated electricity and heat system large-scale heat pumps power to heat

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Enhancing Wind power Integration through Optimal Use of Flexibility in Multi-Carrier Energy Systems from the Danish Perspective

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World Journal of Engineering and Technology 2017年第4期5卷 78-88页

作者： Yi Zong Awadelrahman MAAhmed Jiawei Wang Shi You Chresten Traeholt Xianyong Xiao Center for Electric power and Energy Department of Electrical EngineeringTechnical University of DenmarkRoskildeDenmark CIRCE-Research Centre for Energy Resources and Consumption ZaragozaSpain College of Electrical Engineering and Information Technology Sichuan UniversityChengduChina

Denmark’ goal of being independent of fossil energy sources in 2050 puts forward great demands on all energy subsystems (electricity, heat, gas and transport, etc.) to be operated in a holistic manner. The Danish experience and challenges of wind power integration and the development of district heating systems are summarized in this paper. How to optimally use the cross-sectoral flexibility by intelligent control (model predictive control-based) of the key coupling components in an integrated heat and power system including electrical heat pumps in the demand side, and thermal storage applications in buildings is investigated.

关键词： Cross-Sectoral Flexibility District heating Systems Multi-Carrier Energy Systems power to heat Wind power Integration

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