摘要
针对现代电网规范要求风电机组必须具备故障穿越能力,研究了现代风电并网规范,给出各国高电压穿越准则并进行相应的比较分析。以当今最为流行的双馈风力发电机组为例,分析电网电压骤升时的暂态特性并综述现有的高电压穿越技术方案,从改进的控制策略和增加硬件电路两个方面进行阐述,指出高电压穿越技术未来的发展趋势。
Aiming at the fault ride- through capability of wind turbines required by the latest grid codes,this paper firstly studies the modern grid code for wind farm connection,and lists high voltage ride through codes of other countries,which are compared and analyzed. Taking the doubly fed induction generator,known as a popular type of wind turbines,as the example,it analyzes the transient characteristic when voltage swells,summarizes the existing technologies of HVRT,expounds the improved control strategy and the increase of hardware circuit,and predicts the future development of HVRT.
出处
《黑龙江电力》
CAS
2015年第2期184-188,共5页
Heilongjiang Electric Power
关键词
双馈风机
故障穿越
高电压穿越
暂态特性
doubly fed induction generator（DFIG）
grid fault ride-through（GFRT）
high voltage ride through（HVRT）
transient characteristic
