Mathematical modeling and stability analysis of an ultracapacitor based energy storage system considering non-idealities
P., Naresh and N., Sai Vinay Kishore and V, Seshadri Sravan Kumar (2021) Mathematical modeling and stability analysis of an ultracapacitor based energy storage system considering non-idealities. Journal of Energy Storage, 33. pp. 1-8. ISSN 2352-152X
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Abstract
The typical configuration of an ultracapacitor-based energy storage system comprises of an ultracapacitor stack along with a bidirectional DC/DC converter. Accordingly, this paper focuses on developing mathematical models for an ultracapacitor-based energy storage system considering non-idealities. Subsequently, small signal stability analysis is carried out based on the developed mathematical models. In particular, the impact of non-idealities such as ON-state resistance of the switches on the small signal model of the system is highlighted. It is shown that the transfer function of the system derived by considering the non-idealities has a zero on the right-hand side of the s−plane during the discharging mode. The operating conditions under which a right hand zero can occur are derived, and the behavior of the converter under these operating points is analyzed with the help of simulation results. © 2020 Elsevier Ltd
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| Item Type: | Article | ||||
| Additional Information: | This work is supported by Department of Science and Technology, Government of India through inspire grant DST/INSPIRE/04/2016/002381 and Early Career Research scheme ECR/2018/002565 . | ||||
| Uncontrolled Keywords: | Bidirectional DC/DC converter; Energy storage; Stability; Ultracapacitor | ||||
| Subjects: | Electrical Engineering | ||||
| Divisions: | Department of Electrical Engineering | ||||
| Depositing User: | . LibTrainee 2021 | ||||
| Date Deposited: | 05 Sep 2022 06:13 | ||||
| Last Modified: | 05 Sep 2022 06:13 | ||||
| URI: | http://raiithold.iith.ac.in/id/eprint/10414 | ||||
| Publisher URL: | http://doi.org/10.1016/j.est.2020.102112 | ||||
| OA policy: | https://v2.sherpa.ac.uk/id/publication/35361 | ||||
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