种联合循环暖机负荷动态匹配方法

• Format: Patent
• Language: Chinese
• Published: 25.09.2018
• Subjects: AIR INTAKES FOR JET-PROPULSION PLANTS; BLASTING; COMBUSTION ENGINES; CONTROLLING FUEL SUPPLY IN AIR-BREATHING JET-PROPULSION PLANTS; ENGINE PLANTS IN GENERAL; ENGINE PLANTS NOT OTHERWISE PROVIDED FOR; ENGINES USING SPECIAL WORKING FLUIDS OR CYCLES; GAS-TURBINE PLANTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; HEATING; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS; LIGHTING; MACHINES OR ENGINES IN GENERAL; MECHANICAL ENGINEERING; REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGYGENERATION, TRANSMISSION OR DISTRIBUTION; STEAM ACCUMULATORS; STEAM ENGINE PLANTS; STEAM ENGINES; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS; TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINSTCLIMATE CHANGE; WEAPONS

本发明涉及发电技术领域，尤其涉及种联合循环暖机负荷动态匹配方法，包括以下步骤：步骤S1、建立以燃料价格和上网电价为输入量、以燃气轮机的燃料消耗和发电出力为中间变量、以燃气轮机的IGV开度设定值和排烟温度设定值为输出量的燃气轮机动态特性模型；步骤S2、在联合循环机组启动暖机阶段，通过燃气轮机控制回路对燃气轮机的IGV开度及排烟温度进行调节，使燃气轮机的IGV开度值及排烟温度值与燃气轮机动态特性模型输出的IGV开度设定值及排烟温度设定值相匹配，实现燃气轮机暖机负荷的调节。可调节汽轮机暖机期间燃气轮机的暖机负荷，达到提高联合循环机组启动阶段经济性的目的。 The invention relates to the technical field of power generation and particularly relates to a combined cycled warming-up load dynamic matching method. The method comprises the following steps that (1), a combustion gas turbine dynamic characteristic model with the fuel price and the grid purchase price as the input variables, the fuel consumption and the generated output of a combustion gas turbine as the intermediate variables and the IGV opening set value and the exhaust smoke temperature set value of the combustion gas turbine as the output variables is established; (2), at the warming-up start stage of a combined cycled unit, the IGV opening and exhaust smoke temperature of the combustion gas turbine are adjusted through a combusti