Determinación del Tipo de Sistema de Almacenamiento de Energía y su Tamaño Óptimo para Proveer Reserva en Sistemas Eléctricos con Elevada Penetración Eólica (Optimal Storage Technology Selection and Sizing for Providing Reserve to Power Systems with High Penetration of Wind Generation)

Maximiliano Martinez (mmartinez@iee.unsj.edu.ar)1, Marcelo Gustavo Molina (mgmolina@iee.unsj.edu.ar)1, Pedro Enrique Mercado (pmercado@iee.unsj.edu.ar)1


1Universidad Nacional de San Juan-CONICET

This paper appears in: Revista IEEE América Latina

Publication Date: Sept. 2015
Volume: 13,   Issue: 9 
ISSN: 1548-0992


Abstract:
This paper proposes a methodology to determine both the technology of Energy Storage System (ESS) and its optimal sizing in order to provide secondary frequency control (SFC) to power systems with high penetration of wind generation. The objective is to determine the optimal investment in an ESS, considering the impact of the energy storage device on the costs of the electrical system and on the quality of frequency. The methodology allows calculating probabilistically the variable investment and operation costs of the ESS, considering the uncertainties associated with the stochastic behavior of the wind generation, conventional generation availability, network topology and the demand for energy. To this aim, a hybrid optimization using a meta-heuristic algorithm called Mean-Variance Mapping Optimization (MVMO) is utilized, whose control variable is the size vector (maximum power and energy capacity of the storage device), and an optimization model to compute the optimal power flow (OPF).

Index Terms:
Energy storage, secondary frequency control, power quality, wind power generation, optimization   


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