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ANSI C50.12 - REQUIREMENTS FOR SALIENT-POLE SYNCHRONOUS GENERATORS AND GENERATOR/MOTORS FOR HYDRAULIC TURBINE APPLICATIONS Organization: ANSI
Date: 1982-01-01
Description: The requirements in this standard apply to all types of 60-hertz salient-pole synchronous generators and generator motors rated 5000 kVA (kilovolt amperes) and above to be used for hydraulic turbine or hydraulic pump turbine applications.
NEMA - C50.12 - REQUIREMENTS FOR SALIENT-POLE SYNCHRONOUS GENERATORS AND GENERATOR/MOTORS FOR HYDRAULIC TURBINE APPLICATIONS - THIS IS NOW COPYRIGHTED BY IEEE Organization: NEMA
Date: 1982-01-01
Description: The requirements in this standard apply to all types of 60-hertz salient-pole synchronous generators and generator/motors rated 5000 kVA (kilovolt amperes) and above to be used for hydraulic turbine or hydraulic pump/turbine applications.
UL - 1004-9 BULLETIN - UL STANDARD FOR SAFETY FORM WOUND MEDIUM VOLTAGE MOTORS - COMMENTS DUE: DECEMBER 14, 2015 Organization: UL
Date: 2015-10-30
Description: These requirements do not cover special generators (such as hydrogen cooled (turbo) generators) rated 10 MVA and above which are covered under IEEE C50.12, IEEE Standard for Salient-Pole 50 Hz and 60 Hz Synchronous Generators and Generator/Motors for Hydraulic Turbine Applications Rated 5 MVA and Above; IEEE C50.13, IEEE Standard for Cylindrical-Rotor 50 Hz and 60 Hz Synchronous Generators Rated 10 MVA and Above; or IEC 60034-3, Rotating electrical machines - Part 3: Specific requirements for synchronous generators driven by steam turbines or combustion gas turbines.
UL 1004-9 - UL STANDARD FOR SAFETY FORM WOUND AND MEDIUM VOLTAGE ROTATING ELECTRICAL MACHINES - FIRST EDITION Organization: UL
Date: 2016-01-29
Description: These requirements do not cover special generators (such as hydrogen cooled (turbo) generators) rated 10 MVA and above which are covered under IEEE C50.12, IEEE Standard for Salient-Pole 50 Hz and 60 Hz Synchronous Generators and Generator/Motors for Hydraulic Turbine Applications Rated 5 MVA and Above; IEEE C50.13, IEEE Standard for Cylindrical-Rotor 50 Hz and 60 Hz Synchronous Generators Rated 10 MVA and Above; or IEC 60034-3, Rotating electrical machines - Part 3: Specific requirements for synchronous generators driven by steam turbines or combustion gas turbines.

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