基于电热协调优化提升机组顶峰出力能力研究  

Research on Improving Peak Output Capacity of Unit Based on Electro-thermal Coordination and Optimization

作　　者：钟子威 祝令凯 郑威 巩志强 刘军 ZHONG Ziwei;ZHU Lingkai;ZHENG Wei;GONG Zhiqiang;LIU Jun(State Grid Shandong Eectric Power Research Institute,Jinan 250003,China)

机构地区：[1]国网山东省电力公司电力科学研究院,山东济南250003

出　　处：《山东电力技术》2023年第6期34-38,57,共6页Shandong Electric Power

基　　金：山东省自然科学基金项目(ZH2020QE199);国网山东省电力公司电力科学研究院自主研发项目“保供需求下基于电热协调优化的火电机组顶峰能力提升研究”(ZY-2022-15)。

摘　　要：传统煤电机组逐步由电量型电源向调节型电源转变,由于受外电不确定性、新能源发电随机性等因素影响,加剧了电网调节的难度,尤其是供热期,热电机组面临用电与供热双重高峰的压力,被迫因满足民生供热向电网调度部门提报降出力申请。基于采暖季电力保供严峻形势,提出针对机组因供热制约而提报降出力的合理评判标准,核实机组真实出力水平;进一步提出三种利用热网特性短时提升机组顶峰出力的技术措施,并对三种措施的可行性及应用场景进行分析,在不进行额外技术改造的前提下,确保电力安全可靠供应。Traditional coal-fired power units are gradually transitioning from electricity based power sources to regulated power sources.Due to factors such as external power uncertainty and the randomness of new energy generation,the difficulty of grid regulation has been exacerbated,especially during the heating period.Thermal power units are facing the pressure of dual peaks in electricity consumption and heating,and are forced to submit output reduction applications to the grid dispatching department to meet the needs of people's livelihood heating.Based on the severe situation of electricity supply guarantee during the heating season,a reasonable evaluation standard for unit output reduction due to heating constraints is proposed to verify the actual output level of the unit;Further propose three technical measures to utilize the characteristics of the heating network to short-term increase the peak output of the unit,and analyze the feasibility and application scenarios of these measures to ensure safe and reliable power supply without additional technical modifications.

关 键 词：电热协调 热网特性 顶峰出力 电网调度 

分 类 号：TM621.4[电气工程—电力系统及自动化]