2、TM743 U.D.C: 621.31 Dissertation for the Master Degree in Engineering RESEARCHONPOWERSYSTEMBlACKSTARTWITHTHEWINDFARMCandidate:Wen HongchengSupervisor:Prof. Li ZhiminAcademicDegreeAppliedfor:Master of EngineeringSpecialty:Electrical Engineering Affiliation:School of Electrical Engineering and Automa
3、tion DateofDefence:June, 2015 Degree-Conferring-Institution:Harbin Institute of Technology哈尔滨工业大学工学硕士学位论文摘要地区经济发展带动着电力负荷需求的增加,促使电网规模逐步扩大。随之而来的,一方面是电网运行变得经济可靠,另一方面一旦发生大停电事故,所造成的损失和破坏也是难以想象的。黑启动作为应对电网瘫痪的主要方法,其关键是寻找到合适的启动电源,常规水电受到地区分布的限制,燃气发电机则在成本上不具备全面普及的可行性,而随着风力发电方兴未艾,考虑将风电机组引入到黑启动方案的制定当中,是一个具有前瞻性的
5、输电线路进行空充,对启动过程中可能出现的线路过电压问题进行了仿真校验。最后,针对厂用负荷的恢复对风电机组黑启动小系统的影响进行了深入研究。大容量异步电机启动对启动初期小系统频率电压有很大的冲击,关系到启动的成功与否。因此对负荷性质、负荷容量、电机启动顺序等因素对系统影响进行了综合考量,总结出了适用于风电机组黑启动的厂用负荷恢复实施原则。仿真结果表明,在一定条件下,风电场具有实现区域主网黑启动的能力。关键词:电力系统;黑启动;风电;独立运行;空充特性;异步电机启动-I-哈尔滨工业大学工学硕士学位论文Abstract With the development of the economy, th
6、e demand of electric power prompts the size of power system bigger and bigger. Although the operation of the grid become reliable, the damage of black out is hard to estimate. In now days, the main method to solve the black out is black start. Conventional hydropower is limited by geographical dist
7、ribution and the gas generator is not feasible to widely used in terms of cost. However with the development of wind power, considering it as the black start source is a challenging subject. This paper prop