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Rosewater, D., Johnson, J., Verga, M., Lazzari, R., Messner, C., Bründlinger, R., et al. (2015) International Development of Energy Storage Interoperability Test Protocols for Photovoltaic Integration. 31st European Photovoltaic Solar Energy Conference and Exhibition, 2015, 1538-1548.

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• TITLE: Smart Inverter Functionality Testing for Battery Energy Storage Systems

  AUTHORS: Jun Hashimoto, Taha Selim Ustun, Kenji Otani

  KEYWORDS: Battery Energy Storage Systems, Distributed Energy Resources, Smart Inverter Controls, Grid-Support Standards, Test Protocols, Interoperability

  JOURNAL NAME: Smart Grid and Renewable Energy, Vol.8 No.11, November 30, 2017

  ABSTRACT: Variable distributed energy resources (DERs) such as photovoltaic (PV) systems and wind power systems require additional power resources to control the balance between supply and demand. Battery energy storage systems (BESSs) are one such possible resource for providing grid stability. It has been proposed that decentralized BESSs could help support microgrids (MGs) with intelligent control when advanced functionalities are implemented with variable DERs. One key challenge is developing and testing smart inverter controls for DERs. This paper presents a standardized method to test the interoperability and functionality of BESSs. First, a survey of grid-support standards prevalent in several countries was conducted. Then, the following four interoperability functions defined in IEC TR 61850-90-7 were tested: the specified active power from storage test (INV4), the var-priority Volt/VAR test (VV) and the specified power factor test (INV3) and frequency-watt control (FW). This study then out-lines the remaining technical issues related to basic BESS smart inverter test protocols.