PWM HVAC Blower Controller and BLDC Motor Controller Efficiency Assessment

Standard:
Issued:
  • 2017-07-10
 
  • CURRENT
Publisher:
  • SAE International
Pages:
9
Scope:

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.

Rationale:

Legislation has been introduced that provides credits for the use of emission reduction technologies. One such technology is the use of a Pulse Width Modulated (PWM) HVAC Blower Controller (together with a brushed DC motor) or a Brushless DC controller (with Brushless DC motor) in place of traditional HVAC Blower Controllers such as resistors or Linear Power Modules. A uniform standard does not exist to evaluate the efficiency of such controllers and estimate the impact towards emissions and qualify for credit with the legislative bodies.

History:
Standard Published Revision Status
J3109_201707 2017-07-10 Latest Issued
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