This content is not included in
your SAE MOBILUS subscription, or you are not logged in.
Test Equipment and Characterization for High Power Hybrid Vehicle Batteries and SuperCaps
Technical Paper
2006-01-1243
ISSN: 0148-7191, e-ISSN: 2688-3627
Annotation ability available
Sector:
Language:
English
Abstract
Hybrid vehicles are becoming more and more attractive due to their reduced emissions and their higher fuel efficiency. Storage of electrical energy is the most critical aspect of hybrid automobiles. Therefore, an exact knowledge of the behavior of the battery and further electrical storage elements is mandatory. Their nonlinear characteristics over wide ranges of current magnitude, transient period, temperature and state of charge must be evaluated. Battery aging is another matter of increasing importance.
For this reason, an automated battery test bench has been developed which is capable of reproducing high dynamic loads in both charging and discharging direction. Pulse rise times are in the range of a few microseconds at maximum currents up to 1500 A. The quasi-static charge and discharge power can reach 20 kW. Optimized characterization programs enable a rapid extraction of battery behavior parameters as well as capacitor characteristics.
With this equipment various types of automotive batteries such as lead-acid and nickel-metal hydride batteries and all types of double-layer capacitors can be characterized.
For statistical analysis of several batteries in parallel, a compact version of the test bench with reduced current amplitudes and transient response times was developed. This stand-alone tester can be used for both stimulating aging effects and characterizing the most relevant battery parameters simultaneously.
The battery measurement equipment was successfully used to characterize different types of batteries. Parameterization of a battery model with high transient and amplitude dynamics for automotive applications was reached. This paper will show the complex analog and power electronics as well as the flexible data acquisition and load profile generation. Furthermore, measured data and model responses will be presented together with aging effects of double-layer capacitors.
Recommended Content
Topic
Citation
Böhm, A. and Melbert, J., "Test Equipment and Characterization for High Power Hybrid Vehicle Batteries and SuperCaps," SAE Technical Paper 2006-01-1243, 2006, https://doi.org/10.4271/2006-01-1243.Also In
SAE 2006 Transactions Journal of Passenger Cars: Electronic and Electrical Systems
Number: V115-7; Published: 2007-03-30
Number: V115-7; Published: 2007-03-30
References
- B¨ohm, A. Melbert, J. Modeling of Automotive Batteries for High Transient and Amplitude Dynamics SAE Powertrain and Fluid Systems Conference Tampa, FL 2004
- Ashtiani, C. Wright, R. Ultracapacitor Test Procedure Standards For Automotive and Industrial Applications IEEE Power Electronic Society Newsletter 2005