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Small Alternators for Racing Cars
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English
Abstract
This paper describes the development of a new generation of permanent magnet alternators (PMA), intended for use in Formula One motorsport. The challenging problem of how to regulate the output from a PMA has been solved by the creation of a voltage regulator that draws power from the alternator as and when necessary, rather than dumping excess energy as heat. As a result, a compact, lightweight system has been created, which is capable of delivering 30A to the load at 14V. The system can achieve a cut-in speed of less than 1800rpm and can deliver 25A at 4500rpm.
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Authors
Citation
Barnes, D., Mitchell, J., van Manen, P., and Zucker, U., "Small Alternators for Racing Cars," SAE Technical Paper 983068, 1998, https://doi.org/10.4271/983068.Also In
References
- “Introduction to Magnetism and Magnetic Materials” Jiles D. Chapman and Hall 1991
- “Permanent Magnets in Theory and Practice” McCaig M. Clegg A Pentech Press 1987
- “Power Inductors - Design Procedures” Philips Components 1993