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300MW级热电联产机组调峰能力研究 被引量:26

Research on Peak Regulation Capability of 300-MW Combined Heat and Power plant
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摘要 北方采暖地区风电和热电联产联合运行矛盾凸显,为指导充分挖掘现有热电联产机组的调峰能力,增强电网调峰能力,为促进风电消纳提供支撑,通过组合运用简捷热平衡法、等效焓降法及弗留格尔公式,建立了大型热电联产机组调峰能力计算模型。运用计算模型研究了300 MW和350 MW热电联产机组在不同供热抽汽量、不同供热抽汽压力下的最大、最小发电功率,考虑全厂汽水损失对热电联产机组调峰能力的影响。计算结果为指导进一步挖掘北方采暖地区现有热电联产机组调峰能力,促进风电消纳提供了依据。 There have been prominent contradictions between wind power and combined heat and power plant in the heating areas of Northern China.In order to improve load peak regulation of power grid and wind power accommodation,a calculation model and corresponding software were developed to study the peaking capability of combined heat and power plant by using thermal balance method,equivalent enthalpy drop method and Frugal formula.The maximum power generation and minimum power generation for 300-MW and 350 MW combined heat and power plant under the conditions of different steam extracting mount and steam extracting pressure were calculated by taking into account the influences of steam-water loss on peak regulation capability.The conclusion will be beneficial to take full advantages of the peak regulation capability of existing combined heat and power plant and promote wind power accommodation in northern heating areas.
出处 《中国电力》 CSCD 北大核心 2014年第9期35-41,共7页 Electric Power
关键词 热电联产机组 调峰能力 风电消纳 供热抽汽量 combined heat and power unit peak-load regulation capacity wind power accommodation steam extraction amount
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