燃气机组静止变频器励磁控制策略  

Excitation Control Strategy for Static Frequency Converter of Gas Turbine Unit

作　　者：解其林 王小红 谢文涛[4] 杨合民 侯凯 简优宗[2,3] 胡静 吴伟亮[2,3] XIE Qilin;WANG Xiaohong;XIE Wentao;YANG Hemin;HOU Kai;JIAN Youzong;HU Jing;WU Weiliang(Jiangsu Huaiyin Power Generation Co.,Ltd.,Huaian 223002,China;NARI Group(State Grid Electric Power Research)Co.,Ltd.,Nanjing 211106,China;NARI Technology Co.,Ltd.,Nanjing 211106,China;Jiangsu Guoxin Yizheng Thermal Power Co.,Ltd.,Yangzhou 211400,China)

机构地区：[1]江苏淮阴发电有限责任公司,江苏淮安223002 [2]南瑞集团(国网电力科学研究院)有限公司,南京211106 [3]国电南瑞科技股份有限公司,南京211106 [4]江苏国信仪征热电有限责任公司,江苏扬州211400

出　　处：《大电机技术》2021年第3期77-81,共5页Large Electric Machine and Hydraulic Turbine

摘　　要：大中型燃气机组因考虑经济性、易维护性等,多采用静止变频器启动。静止变频器启动时,燃气机组的同步发电机作为电励磁同步电动机运行,此时励磁系统交由静止变频器控制。结合燃气机组静止变频器的拓扑结构、力矩输出等特点,给出静止变频器与励磁系统的接口信息、控制流程和幅值控制策略,并结合实际工程进行启机过程中机端电压、励磁电流的仿真分析,验证了静止变频器励磁控制策略的合理性和有效性。In order to improve the economy and the maintainability,gas turbine unit are usually started by static frequency converter.When the static frequency converter is started,the synchronous generator of the gas turbine unit operates as the electrically excited synchronous motor.At this time,the excitation system is controlled by the static frequency converter.Based on the topology and output torque characteristics of the static frequency converter,the interface information,control flow charts and excitation value control strategy of the static frequency converter and excitation system are given in this paper.Combination of the actual project,a simulation analysis of the terminal voltage and excitation current during the start-up process is carried out.The validity of the proposed method is verified.

关 键 词：燃气机组 静止变频器 励磁电流 磁链控制 机端电压控制 

分 类 号：TM314.3[电气工程—电机]