电力系统及其自动化学报2017，Vol.29Issue(3)：55-61,7.DOI:10.3969/j.issn.1003-8930.2017.03.009
基于风储协调控制的微电网平滑切换控制策略
Microgrid Control Strategy for Smooth Mode Transfer Based on Coordination Between Double-fed Induction Generator and Battery
摘要
Abstract
The smooth transfer from grid-connected mode to island mode is important for the steady operation of microgrid.In order to improve the transient stability of microgrid during transfer,this paper proposes a new control strategy for a microgrid consisting of photovoltaic cells,battery and double-fed induction generator (DFIG).Considering the case of active power shortfall,this strategy is based on integrated control model for active power.Coordinated control between wind turbine and battery reduces the transient fluctuation at the moment of transfer.The integrated model includes maximum power point tracking control module,virtual inertia control module,speed recovery module and speed protection module.The coordination between virtual inertia control and battery allows a smooth transfer between different modes of the grid,while speed recovery module and speed protection module ensure the safe and stable operation of wind turbine.A microgrid model is built on the DIgSILENT PowerFactory platform to conduct the simulation,which verifies the effectiveness of the proposed control strategy.关键词
微电网/平滑切换/双馈感应风机/频率控制/电压控制Key words
microgrid/smooth mode transfer/double-fed induction generator (DFIG)/frequency control/voltage control分类
信息技术与安全科学引用本文复制引用
符杨,黄丽莎,赵晶晶..基于风储协调控制的微电网平滑切换控制策略[J].电力系统及其自动化学报,2017,29(3):55-61,7.基金项目
上海绿色能源并网工程技术研究中心资助项目(13DZ2251900) （13DZ2251900）
上海市重点支撑攻关计划项目(13160500800) （13160500800）
