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Research on the application of heat pump+water energy storage in the flexibility renovation of thermal generator units in the electricity spot market
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Long ZHANG1, Xiaohua YANG1, Chaoqun SHEN2, Wenhao SHAN1, Fumin GUO1, Lei WANG1
Thermal Power Generation | 2023, 52(2) : 101 - 110
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Thermal Power Generation | 2023, 52(2): 101-110
• Application of thermal energy storage technology •
Research on the application of heat pump+water energy storage in the flexibility renovation of thermal generator units in the electricity spot market
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Long ZHANG1, Xiaohua YANG1, Chaoqun SHEN2, Wenhao SHAN1, Fumin GUO1, Lei WANG1
Affiliations
  • 1.Shandong Electric Power Engineering Consulting Institute Co., Ltd., Jinan 250013, China
  • 2.College of Electrical, Energy and Power Engineering, Yangzhou University, Yangzhou 225127, China
Published: 2023-02-25 doi: 10.19666/j.rlfd.202210244
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The spot market of electricity makes electricity return to the commodity attribute, which makes the market play an increasingly prominent role in the allocation of power resources. The electricity-trading mode has become an important part of the power market construction and power reform because it is conducive to promoting the consumption of new energy power generation and realizing the optimal allocation of power resources. This paper constructs technical routes for a thermal power unit in Shandong Province. The first is waste heat recovery, refrigeration scheme based on the voltage shrink heat pump and the second is deep peak shaving scheme based on the electric boiler and energy storage tank. The technical transformation scheme is providefor the thermal power unit to participating in the spot power market. The result show that energy supply capacity of the system increased by 48 MW, the cooling capacity increased by 32 MW, and the peak shaving capacity of the unit increased by 9%. In addition, the financial internal rate of return (before tax) of the project is 30.25%, and the payback period (before tax) is 4.1 years, with good profitability.

electricity spot market  /  heat pump  /  water energy storage  /  thermal power unit  /  flexibility renovation
Long ZHANG, Xiaohua YANG, Chaoqun SHEN, Wenhao SHAN, Fumin GUO, Lei WANG. Research on the application of heat pump+water energy storage in the flexibility renovation of thermal generator units in the electricity spot market[J]. Thermal Power Generation, 2023 , 52 (2) : 101 -110 . DOI: 10.19666/j.rlfd.202210244
Funding
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  • National Natural Science Foundation of China(51706193)
Appendix
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Year 2023 volume 52 Issue 2
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51
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Article Info
doi: 10.19666/j.rlfd.202210244
  • Receive Date：2022-10-15
  • Online Date：2026-01-23
  • Published：2023-02-25
Article Data
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History
  • Received：2022-10-15
Funding
National Natural Science Foundation of China(51706193)
Affiliations
    1.Shandong Electric Power Engineering Consulting Institute Co., Ltd., Jinan 250013, China
    2.College of Electrical, Energy and Power Engineering, Yangzhou University, Yangzhou 225127, China
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https://castjournals.cast.org.cn/joweb/rlfd/EN/10.19666/j.rlfd.202210244
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多孔菌科 Polyporaceae 8 14 6.70 蜡蘑属 Laccaria 5 2.39
红菇科 Russulaceae 3 23 11.00 小皮伞属 Marasmius 6 2.87
小菇属 Mycena 11 5.26
光柄菇属 Pluteus 5 2.39
红菇属 Russula 17 8.13
栓菌属 Trametes 5 2.39
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