NDLI: Accelerated Simulation of High-Fidelity Models of Supercapacitors Using Waveform Relaxation Techniques

Content Provider	IEEE Xplore Digital Library
Author	Moayedi, S. Cingoz, F. Davoudi, A.
Copyright Year	1986
Abstract	The waveform relaxation (WR) technique is used to accelerate the time-domain simulation of high-fidelity models of supercapacitors. Because of their high power density, supercapacitors are suitable energy storage options in electrified transportation fleets and renewable energy systems. Given their fast charging/discharging profile, high-fidelity models, such as transmission-line models or multistage ladder structures, are conventionally adopted for design and simulation purposes. High-fidelity models, that include fast dynamic modes, can slow down the simulation process. This is problematic, in particular, since supercapacitors are parts of a larger, more complex system, e.g., a power train, with a wide dynamic range. In this paper, frequency-domain characterization of a supercapacitor is conducted by the electrochemical impedance spectroscopy. Then, the equivalent multistage ladder model of the supercapacitor is extracted and parameterized. The high-fidelity model is verified by considering the measured charging profile of the supercapacitor. The WR technique, including circuit partitioning and time windowing, is considered for the resulting high-fidelity model. WR results in an order-of-magnitude improvement in simulation speed while maintaining an excellent agreement with the hardware measurement and conventional simulations.
Sponsorship	IEEE Power Electronics Society
Starting Page	4903
Ending Page	4909
Page Count	7
File Size	1378947
File Format	PDF
ISSN	08858993
Volume Number	28
Issue Number	11
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2013-11-01
Publisher Place	U.S.A.
Access Restriction	One Nation One Subscription (ONOS)
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Supercapacitors Integrated circuit modeling Voltage measurement Impedance Equivalent circuits Computational modeling Numerical models waveform relaxation (WR) Multistage ladder model supercapacitor time-domain simulation
Content Type	Text
Resource Type	Article
Subject	Electrical and Electronic Engineering

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