Dual Control Strategy for Grid-tied Battery Energy Storage Systems to Comply with Emerging Grid Codes and Fault Ride Through Requirements  

作　　者：Maxime Berger Ilhan Kocar Evangelos Farantatos Aboutaleb Haddadi 

机构地区：[1]Department of Electrical Engineering,Polytechnique Montréal,Montréal,Canada [2]Electric Power Research Institute(EPRI),Palo Alto,USA

出　　处：《Journal of Modern Power Systems and Clean Energy》2022年第4期977-988,共12页现代电力系统与清洁能源学报（英文）

摘　　要：Battery energy storage systems(BESSs)need to comply with grid code and fault ride through(FRT)requirements during disturbances whether they are in charging or discharging mode.Previous literature has shown that constant charging current control of BESSs in charging mode can prevent BESSs from complying with emerging grid codes such as the German grid code under stringent unbalanced fault conditions.To address this challenge,this paper proposes a new FRTactivated dual control strategy that consists of switching from constant battery current control to constant DC-link voltage control through a positive droop structure.The results show that the strategy ensures proper DC-link voltage and current management as well as adequate control of the positive-and negative-sequence active and reactive currents according to the grid code priority.It is also shown that the proposed FRT control strategy is tolerant to initial operating conditions of BESS plant,grid code requirements,and fault severity.

关 键 词：Battery energy storage system inverter-based resource fault ride through electromagnetic transient 

分 类 号：TM91[电气工程—电力电子与电力传动] TP273[自动化与计算机技术—检测技术与自动化装置]