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

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Journal of Modern Power Systems and Clean Energy 2022年第4期10卷 977-988页

作者： Maxime Berger Ilhan Kocar Evangelos Farantatos aboutaleb haddadi Department of Electrical Engineering Polytechnique MontréalMontréalCanada Electric Power Research Institute(EPRI) Palo AltoUSA

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 *** 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 *** 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 *** 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 *** 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

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Field validation of generic wind park models using fault records

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Journal of Modern Power Systems and Clean Energy 2019年第4期7卷 826-836页

作者： aboutaleb haddadi Ilhan KOCAR Thomas KAUFFMANN Ulas KARAAGAC Evangelos FARANTATOS Jean MAHSEREDJIAN Polytechnique Montreal MontréalCanada The Hong Kong Polytechnic University Hong KongChina Electric Power Research Institute(EPRI) Palo AltoUSA

A challenge faced by protection and planning engineers is the development and validation of accurate wind turbine generator(WTG)models to study the impact of increasing wind integration on system *** is on the experimental validation of a generic electromagnetic transient-type(EMT-type)model of aggregated WTGs or wind parks suitable for transient *** phasor domain equivalent of the generic model,suitable for protection tools based on steady-state solvers,is also *** model has been validated using two sets of actual relay records for the fault response of two wind parks consisting of Type-III WTGs and connected to115 kV and 230 kV transmission *** objective is to show that the generic model can reproduce the actual fault response in simulations,and protection engineers can obtain accurate models of wind parks using fault records.A distinctive characteristic of a WTG is its substantially different negative sequence fault current contribution compared to a synchronous *** paper shows that the generic model provides enough options to reproduce the negative sequence behavior and hence is suitable for fault studies involving negative sequence-based protection.

关键词： Renewable generation Wind turbine generator Doubly-fed induction generator Short-circuit analysis Electromagnetic transient-type model Phasor domain model

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