Comparative Test Results of a Brushless DC Starter Generator vs. Traditional Starter Generator with Brushes
Date Published: 2009-11-10
Paper Number:2009-01-3188
DOI: 10.4271/2009-01-3188
Citation:
Morris, L. and Patterson, S., "Comparative Test Results of a Brushless DC Starter Generator vs. Traditional Starter Generator with Brushes," SAE Technical Paper 2009-01-3188, 2009, doi:10.4271/2009-01-3188.
This paper provides comparative test results for a brushless starter generator versus a brushed starter generator of equivalent nameplate rating. Key starter generator performance characteristics are measured by test and compared for each type of starter generator. These comparative performance parameters include:
Generator output voltage versus load current versus drive speed
Generator maximum output power capability versus drive speed
Self excitation start-up capability (with no external source of control power)
Efficiency during generate operation
Efficiency during start operation
Performance for high transient load applications
Power quality, including ripple voltage and noise on the 28VDC bus
Gear box torque induced stress during engine start
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