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SAE J 3109-2023
PWM HVAC Blower Controller and BLDC Motor Controller Efficiency Assessment
The intention of this standard is to establish a framework to measure the efficiency of PWM HVAC Blower Controllers and Brushless DC Motor Controllers and define a usage based overall efficiency. This result can then be used by vehicle OEMs to demonstrate compliance towards requirements or benchmarks established by regulatory agencies.
Society of Automotive Engineers [sae]