Optimal Control of Battery Energy Storage for Wind Farm Dispatching

Integrating a battery energy storage system (BESS) with a large wind farm can make a wind farm more dispatchable. This paper focuses on development of a control strategy for optimal use of the BESS for this purpose. The paper considers an open-loop optimal control scheme to incorporate the operating...

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Bibliographic Details
Published in:IEEE transactions on energy conversion 2010-09, Vol.25 (3), p.787-794
Main Authors: Teleke, Sercan, Baran, Mesut E, Bhattacharya, Subhashish, Huang, Alex Q
Format: Article
Language:English
Subjects:
Batteries
Battery
Battery energy storage system (BESS)
Charge
dispatchability
Dispatching
Electric batteries
Energy storage
Mathematical models
model predictive control (MPC)
Open loop systems
Optimal control
Predictive models
Smoothing methods
Strategy
Testing
wind energy
Wind farms
Wind forecasting
Wind power generation
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Summary:Integrating a battery energy storage system (BESS) with a large wind farm can make a wind farm more dispatchable. This paper focuses on development of a control strategy for optimal use of the BESS for this purpose. The paper considers an open-loop optimal control scheme to incorporate the operating constraints of the BESS, such as state of charge limits, charge/discharge current limits, and lifetime. The goal of the control is to have the BESS to provide as much smoothing as possible, so that the wind farm can be dispatched on an hourly basis based on the forecasted wind conditions. The effectiveness of this control strategy has been tested by using an actual wind farm data. Furthermore, a real-time implementation strategy using model predictive control is also proposed. Finally, it is shown that the control strategy is very important in improving the BESS performance for this application.
ISSN:0885-8969
1558-0059
DOI:10.1109/TEC.2010.2041550