摘要
目前在发电系统中风电比例越来越高,系统频率受此影响波动变大,如何利用风电调节系统频率成为亟待解决的问题。综述了各类调频控制策略与未来研究的发展方向。从影响来看,分析了风电比例与风机类型对系统频率的影响。从策略来看,总结了协调控制、桨距角控制、转子转速控制、模拟惯量控制、下垂控制等调频方法,分析比较各方法的适用范围、优缺点,着重阐述了各类协调控制策略,包括风电机组之间、风机与其他类型机组、风机与电力电子器件的协调控制,同时研究了各类储能参与风电调频的效果、成本与容量。从未来研究方向来看,分析了风电调频中的成本控制与智能算法在调频中的应用,并评估了风电在实际运行过程中的调频能力。
At present,the proportion of wind power in power generation systems is getting higher and higher,and the system frequency fluctuates greatly due to this influence.How to use the wind power to adjust the system frequency has become an urgent problem.This paper reviews various FM control strategies and the development direction of future research.From the perspective of influence,the influence of the proportion of wind power and the type of wind turbine on the system frequency is analyzed.From the perspective of strategy,the frequency modulation methods such as coordinated control,pitch angle control,rotor speed control,simulated inertia control,and droop control are summarized.The applicable scope,advantages and disadvantages of each method are analyzed and compared,and various coordinated control strategies including coordinated control among wind turbines,wind turbines and other types of units,and wind turbines and power electronics.Meanwhile,the effects,costs,and capacities of various types of energy storage participating in wind power frequency modulation have been studied.From the perspective of future research,the application of cost control and intelligent algorithms in frequency regulation of wind power is analyzed,and the frequency regulation capability of wind power in actual operation is evaluated.
作者
乔左江
杜欣慧
薛晴
Qiao Zuojiang;Du Xinhui;Xue Qing(Shanxi Key Laboratory of Power System Operation and Control,Taiyuan University of Technology,Taiyuan 030024,China)
出处
《电测与仪表》
北大核心
2023年第7期1-12,共12页
Electrical Measurement & Instrumentation
基金
国家自然科学基金项目资助(51807129)。
关键词
风力发电
频率调整
控制策略
成本分析
智能算法
wind power
frequency adjustment
control strategy
cost analysis
intelligent algorithm
