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THE ACEP PROPOSAL AND AWARD Background and Context One of ACEP’s research objectives is to establish the efficient management of high penetration wind-diesel systems with integrated storage through advanced control. Advanced battery technologies is a field with considerable innovation and potential applicability in Alaska, and this research seeks to ascertain the performance and economic benefits of implementing such a system in isolated grids in communities. In August 2009, the University of Alaska applied for funding from the Denali Commission Emerging Technologies Grant Fund to test advanced battery systems. The 5 kW, 20 kWh vanadium redox battery was purchased from Prudent Energy Systems for laboratory testing at ACEP for both performance data collection and assessment of validity of the claims made by the supplier with regard to performance. The project was carried out for joint research and educational purposes – a cooperative partnership between the Chukchi Campus, University of Alaska Fairbanks, and the Alaska Center for Energy and Power (ACEP), University of Alaska-Fairbanks. The battery unit was commissioned in September 2010, and ACEP has performed the requisite tests as outlined in the grant proposal. Collection of clean performance data to assess the validity of the claims made by the supplier is still ongoing at the ACEP facility, and the next step is to integrate the flow battery into a wind turbine simulator test bed as part of the program to assess energy storage options appropriate for Alaskan markets. This report documents the testing and analysis of the project. Project Objectives/ Scope of Work The Chukchi Campus and ACEP entered into a cooperative arrangement such that the Chukchi campus would purchase a Prudent Energy 5 kW system, and have it shipped to the ACEP laboratory in Fairbanks for performance testing. The specific responsibilities for ACEP were set out as follows: 1. Test the unit for up to 6 months. The purpose would be to verify manufacturer performance claims in a controlled environment with managed charge/discharge cycles, and to determine if any significant maintenance issues exist. 2. ACEP would work with the Chukchi Campus to integrate the battery testing into the classroom by a) sending a researcher to Kotzebue to present a lecture(s) on energy storage; and b) show the battery in testing configuration and give a ‘tour’ of it via distance education technologies. ACEP 12-03 | March 2012 ADVANCED ENERGY STORAGE RESEARCH 7 | A C E PPDF Image | Advanced Battery Storage Systems Testing at ACEP VRB ESS
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