期刊
ELECTRIC POWER SYSTEMS RESEARCH
卷 141, 期 -, 页码 50-62出版社
ELSEVIER SCIENCE SA
DOI: 10.1016/j.epsr.2016.06.031
关键词
Hybrid energy storage; Batteries; Capacitive energy storage; Ship power systems; Pulsed loads
资金
- Office of Naval Research
- U.S. Department of Energy
As various types of energy storage (ES) types continue to penetrate grid, electric vehicle, and Naval applications, a need arises in extending traditional analysis to cover the revised performance metrics associated with a hybrid energy storage system (HESS). Each ES device has its own respective power density, energy density, response time, and voltage stability under load. In some critical applications, such as ship power systems (SPS), it is recommended to combine two or more ES types to overcome the impediments of the other. In this paper, three different series-configured HESS are mathematically modeled, evaluated, and tested experimentally. Lead acid and lithium ion batteries as well as super capacitor equivalent circuit models are defined as components for each mixed HESS configuration. The impulse response to a constant and pulsed load was used to evaluate each ES model. The charging of mixed ES technologies was then accomplished using a special controller to handle the unique charging constraints of each ES module. Moreover, this same controller was used to apply a rolling charging algorithm to extend the operating time of the HESS. The validity of the derived model and controller were validated experimentally through a hardware setup simulating a multi-pulsed load SPS profile. (C) 2016 Elsevier B.V. All rights reserved.
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