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Load distribution optimization for combined heat and power units based on synergy of heat load and heat source
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Jie LI1, 2, Yong HU2, Yushan ZHANG2, Dan DENG2, Lu LIANG2, Deliang ZENG1, 2, Jizhen LIU1, 2
Thermal Power Generation | 2025, 54(1) : 46 - 55
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Thermal Power Generation | 2025, 54(1): 46-55
Thermal energy science research
Load distribution optimization for combined heat and power units based on synergy of heat load and heat source
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Jie LI1, 2, Yong HU2, Yushan ZHANG2, Dan DENG2, Lu LIANG2, Deliang ZENG1, 2, Jizhen LIU1, 2
Affiliations
  • 1.State Key Laboratory of Alternate Electrical Power System with Renewable Energy Sources, North China Electric Power University, Beijing 102206, China
  • 2.School of Control and Computer Engineering, North China Electric Power University, Beijing 102206, China
Published: 2025-01-25 doi: 10.19666/j.rlfd.202405136
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The conventional heating method in thermal power plants has low energy utilization efficiency. To deeply explore the energy-saving potential of cogeneration units, a source load coordination load optimization allocation model for cogeneration units is proposed, which comprehensively considers the heat load side and heat source side. A modified outdoor temperature-heat load prediction model is established considering meteorological disturbances on the load side, and an energy efficiency variation model for cogeneration units is established on the heat source side. An optimal scheduling model considering source-load coordination is constructed with the goal of minimizing the coal consumption rate of all heating units. Finally, simulation experiment is carried out based on the heat network composed of six units and two heaters. The results show that, the load optimization distribution method considering source-load coordination based on the predicted value of heat load can effectively reduce the total coal consumption of the units during the heating period. Compared with the conventional distribution method, the coal consumption of the thermal power plant can be reduced by 214.56 tons in one day during the typical peak heating period, which is helpful to improve the operation economy of the thermal power plant. This load optimization distribution method has certain practical application value.

combined heat and power  /  heat load forecasting  /  synergy of heat load and heat source  /  slime mould algorithm  /  load distribution optimization
Jie LI, Yong HU, Yushan ZHANG, Dan DENG, Lu LIANG, Deliang ZENG, Jizhen LIU. Load distribution optimization for combined heat and power units based on synergy of heat load and heat source[J]. Thermal Power Generation, 2025 , 54 (1) : 46 -55 . DOI: 10.19666/j.rlfd.202405136
Year 2025 volume 54 Issue 1
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doi: 10.19666/j.rlfd.202405136
  • Receive Date:2024-05-29
  • Online Date:2026-03-06
  • Published:2025-01-25
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  • Received:2024-05-29
Affiliations
    1.State Key Laboratory of Alternate Electrical Power System with Renewable Energy Sources, North China Electric Power University, Beijing 102206, China
    2.School of Control and Computer Engineering, North China Electric Power University, Beijing 102206, China
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表12种不同金属材料的力学参数

Family
属数
Number of
genus
种数
Number of
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占总种数比例
Percentage of
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种数
Number of
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鹅膏菌科Amanitaceae 2 11 5.26 鹅膏菌属 Amanita 10 4.78
小菇科 Mycenaceae 2 12 5.74 丝盖伞属 Inocybe 5 2.39
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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