ANSI/NEMA MG 1-2016 : Standards PDF Share

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ANSI/NEMA MG 1-2016 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)

Includes:

NEMA MG 1-2016, SUPPLEMENT-2017: Motors and Generators Section IV Part 34: Air-Over Motor Efficiency Test Method
NEMA MG 1-2016, SUPPLEMENT-2018: Motors and Generators Section I Part 7: Mechanical Vibration-Measurement, Evaluation, and Limits
NEMA MG 1-2016, SUPPLEMENT-2018: Motors and Generators Section II Parts 12.35 to 12.50: Tests and Performance – AC and DC Motors
NEMA MG 1-2016, SUPPLEMENT-2018: Motors and Generators Section II Parts 12.59 to 12.60: Tests and Performance – AC and DC Motors
NEMA MG 1-2016, SUPPLEMENT-2018: Motors and Generators Section IV Part 30: Application Considerations for Constant Speed Motors Used on a Sinusoidal Bus with Harmonic Content and General Purpose Motors Used with Adjustable-Voltage or Adjustable-Frequency Controls or Both
NEMA MG 1-2016, SUPPLEMENT-2018: Motors and Generators Section IV Part 31: Definite Purpose Inverter-fed Polyphase Motors