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Motors and Generators


Status: Active
Document ID: 100228
ANSI/NEMA MG 1-2016   [BUY]

Assists users in the proper selection and application of motors and generators. Contains practical information concerning performance, safety, testing, and construction and manufacture of ac and dc motors and generators.

MG 1 now includes 2018 updates to Parts 7, 12, 30, and 31 that include:

  • Harmonization of MG 1 Part 7 with vibration requirements in IEC 60034-14
  • Current industry practice to test for energy efficiency regulatory compliance only at the voltage marked in the “rated voltage” field of the motor nameplate
  • Maximum locked rotor current requirements for fire pump motors have reverted back to those specified in NEMA MG 1-2014
  • Use of coupling capacitors for PD detection (Parts 30 and 31)

Click here to purchase a network CD.

Click here to purchase the set of amendments. 


Published Date: Mar.22.2019
Number of pages: 775
Document ID: 100228

Electronic Copy
$610 [BUY]
Hardcopy Price
$610 [BUY]

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