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Research on Down-Regulation Cost of Flexible Combined Heat Power Plants Participating in Real-Time Deep Down-Regulation Market

1
Department of Electrical Engineering, Dalian University of Technology, Dalian 116024, China
2
Huaneng Dalian Power Plant, Dalian 116113, China
3
Liaoning Electric Power Co., Ltd., Institute of Economics and Technology, Shenyang 110015, China
4
Huadian Electric Power Research Institute Co., Ltd., Hangzhou 310030, China
*
Author to whom correspondence should be addressed.
Energies 2020, 13(4), 787; https://doi.org/10.3390/en13040787
Received: 6 January 2020 / Revised: 3 February 2020 / Accepted: 7 February 2020 / Published: 11 February 2020
(This article belongs to the Section Sustainable Energy)
The issue of real-time deep down-regulation ancillary service has received increasing attention in the Northeast of China. Participation of combined heat and power plants with multitype units and flexible heating devices in the market is investigated. This paper establishes a model of feasible operating region and the coal consumption function for the combined heat and power plant. An internal optimal dispatch model and the minimum overall electric power output model for the plant satisfying a given heat load are presented. Furthermore, the models of total cost for down-regulation and average cost for deep down-regulation in two levels are established. These models are validated based on the realistic data of the plant in the Northeast of China. In case studies, the influence factors and change rules of the minimum electric power output, the total cost, and the average cost of plants are analyzed. View Full-Text
Keywords: combined heat and power plant; real-time deep down-regulation market; cost of down-regulation; flexibility combined heat and power plant; real-time deep down-regulation market; cost of down-regulation; flexibility
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Zhang, Y.; Lyu, Q.; Li, Y.; Zhang, N.; Zheng, L.; Gong, H.; Sun, H. Research on Down-Regulation Cost of Flexible Combined Heat Power Plants Participating in Real-Time Deep Down-Regulation Market. Energies 2020, 13, 787.

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