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New IEEE standard provides guidance for motor protection for industrial and commercial applications

Publication date: 
September 2017
Author(s): 
Jim Bryan, EASA Technical Support Specialist
Type of media: 
Article

The Institute of Electrical and Electronics Engineers (IEEE) has published a new standard, IEEE Std. 3004.8-2016, “Recommended Practice for Motor Protection in Industrial and Commercial Power Systems.”

The document will provide guidance for motor protection for industrial and commercial applications. As motor service centers, the more we understand about the application and protection of motors in their applications, the better service we can offer to our customers. 

IEEE Std. 3004.8 covers a broad spectrum of motor protection schemes including low and medium voltage AC, factors to consider, types of protection, adjustable speed drive (ASD) applications, DC motor protection and hazardous locations.

EASA was represented on the working group, and the EASA technical support staff provided substantial input including a complete new section on DC motor protection. The document became available for purchase on May 23, 2017, on the www.ieee.org website.

Sections of the new standard include:

  • Normative references
  • Definitions, abbreviations and acronyms
  • Factors to consider in protection of motors
  • Types of protection
  • Low-voltage and medium-voltage protection
  • DC motor protection
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