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Description / Abstract:
The requirements in this standard apply to all 50 Hz and 60 Hz,
two-pole and four-pole, cylindrical-rotor synchronous generators
driven by steam turbines and/or by combustion gas turbines.
The drive may be direct or through a gearbox or other device
that permits different speeds for the turbine and the generator.
The generators covered by this standard are to have rated outputs
of 10 MVA and above. Cylindrical-rotor, two-pole and four-pole
generators below this rating are generally covered by NEMA MG 1
[B19].1
Purpose
The purpose of this standard is to establish a base set of
accepted requirements for 50 Hz and 60 Hz cylindrical-rotor
electrical generators above 10 MVA driven by steam turbines or
combustion turbines that can be used in the specification of a new
generator. It is also intended that the standard provides
guidance
1The numbers in brackets correspond to those of the
bibliography in Annex A.