Faced with the global warming trend,many coal-frontier countries including China have gradually come to develop flexible power generation to support a novel energy system with increasing renewable energy.While the exi...Faced with the global warming trend,many coal-frontier countries including China have gradually come to develop flexible power generation to support a novel energy system with increasing renewable energy.While the existing literature extensively discusses various technologies of flexible coal-fired power generation and energy storage,there remains a critical gap in systematic research that holistically assesses the current landscape of flexible generation technologies in coal-fired power plants while delineating actionable pathways for their evolution in low-carbon energy systems.In this paper,current situations from combustion side and pulverized coal side retrofit,wide load denitrification retrofit,turbine side flexibility retrofit,and energy storage coupled peak shifting and fast variable load response technology are illustrated first respectively.In addition,this paper presents a new perspective on the future direction of flexibility retrofit,including the integration of energy storage to enhance operational flexibility.This review can provide a reference for the research and development of deep peak-shaving and flexible retrofit technologies for power generation for pulverized coal boiler generating units in the future.展开更多
基金supported by Major Science and Technology Projects of Xinjiang Uygur Autonomous Region[grant number 2023A01005-2]Youth Support Project of Tianshan Talents Training Program of Xinjiang Uygur Autonomous Region[grant number 2024TSYCQNTJ0018].
文摘Faced with the global warming trend,many coal-frontier countries including China have gradually come to develop flexible power generation to support a novel energy system with increasing renewable energy.While the existing literature extensively discusses various technologies of flexible coal-fired power generation and energy storage,there remains a critical gap in systematic research that holistically assesses the current landscape of flexible generation technologies in coal-fired power plants while delineating actionable pathways for their evolution in low-carbon energy systems.In this paper,current situations from combustion side and pulverized coal side retrofit,wide load denitrification retrofit,turbine side flexibility retrofit,and energy storage coupled peak shifting and fast variable load response technology are illustrated first respectively.In addition,this paper presents a new perspective on the future direction of flexibility retrofit,including the integration of energy storage to enhance operational flexibility.This review can provide a reference for the research and development of deep peak-shaving and flexible retrofit technologies for power generation for pulverized coal boiler generating units in the future.