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Inventions 2017, 2(2), 6; doi:10.3390/inventions2020006

A Framework for Stacked-Benefit Analysis of Distribution-Level Energy Storage Deployment

1
School of Electrical Engineering and Computer Science, Washington State University, Pullman, WA 99163, USA
2
Department of Electrical Engineering, Chulalongkorn University, Bangkok 10330, Thailand
3
Department of Electrical and Computer Engineering, The University of Texas at Austin, Austin, TX 78712, USA
*
Author to whom correspondence should be addressed.
Academic Editor: Josep M. Guerrero
Received: 25 February 2017 / Revised: 18 March 2017 / Accepted: 23 March 2017 / Published: 28 March 2017
(This article belongs to the Special Issue Inventions and Innovation in Integration of Renewable Energy Systems)
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Abstract

This paper presents a planning framework for integrating energy storage (ES) systems into the distribution system. An ES system is deployed to simultaneously provide multiple benefits, also known as stacked-benefits, for the feeder. The primary and secondary application scenarios for the feeder are identified. The proposed ES deployment approach includes the following steps: (1) size the ES system for primary application; (2) identify optimal ES locations based on both primary and secondary application scenarios; (3) calculate the ES accommodation capacity for each potential location; and (4) develop control methods for ES units and conduct grid impact analysis to demonstrate ES applications. For the selected feeder, the primary application for ES deployment is to provide the N-1 contingency requirement. During normal operating conditions, ES is programmed for multiple secondary applications: voltage management and ancillary services by frequency regulation. A probabilistic approach is presented to obtain the optimal ES size for providing the N-1 contingency requirement. Optimal ES locations are obtained based on secondary application scenarios. Real and reactive power control methods are developed to demonstrate the viability of deploying an ES system for simultaneously providing multiple applications. The simulation results show that ES can successfully provide the stacked-benefits for the distribution circuit. The proposed framework is generic and can be employed for the ES integration analysis of any feeder, with different sets of primary and secondary applications. View Full-Text
Keywords: smart grid; power distribution system; distributed energy resources (DERs); energy storage (ES); photovoltaic system (PV) smart grid; power distribution system; distributed energy resources (DERs); energy storage (ES); photovoltaic system (PV)
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).

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MDPI and ACS Style

Dubey, A.; Chirapongsananurak, P.; Santoso, S. A Framework for Stacked-Benefit Analysis of Distribution-Level Energy Storage Deployment. Inventions 2017, 2, 6.

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