高加旁路提升超(超)临界机组一次调频能力的研究与应用  

Research and Application of Primary Frequency Modulation Improvement of Ultra-supercritical Unit through High-pressure Heater Bypass

作　　者：李文杰 丁宁 陈学奇 谢昊旻 LI Wenjie;DING Ning;CHEN Xueqi;XIE Haomin(Zhejiang Zheneng Taizhou No.2 Power Generation Co.,Ltd.,Taizhou Zhejiang 317100,China;State Grid Zhejiang Electric Power Research Institute,Hangzhou 310014,China)

机构地区：[1]浙江浙能台州第二发电有限责任公司,浙江台州317100 [2]国网浙江省电力有限公司电力科学研究院,杭州310014

出　　处：《浙江电力》2018年第9期45-49,共5页Zhejiang Electric Power

摘　　要：基于某1 050 MW超超临界机组高加旁路系统技术实施,分析特高压接入电网后超(超)临界机组常规一次调频方式实际作用效果及运行工况影响,介绍高加旁路系统配置及其一次调频功能设计,获得了基于高加旁路系统一次调频特性试验数据并进行试验结果对比分析,为实现有效配合目前常规调频技术,提升一次调频效果、提高机组运行经济性提供了试验依据,可作为应对电网大频差扰动时一次调频方式优化的新策略。Based on the technology implementation of a 1 050 MW ultra-supercritical unit HP heater bypasssystem,this paper analyzes the actual effect of primary frequency modulation in ultra-supercritical unit afterultra-high voltage access and its operating conditions and introduces the HP heater bypass system configura-tion and function design of primary frequency modulation,from which test data based on primary frequencymodulation characteristics of HP bypass system is achieved,and test results are compared and analyzed toimprove the effect of primary frequency modulation and provide test basis for operation economy of the unit,anew strategy for optimizing the mode of primary frequency modulation is provided to deal with the disturbanceof large frequency difference in the power grid.

关 键 词：超(超)临界机组 高加旁路系统 一次调频 节能 经济性 

分 类 号：TK36[动力工程及工程热物理—热能工程]