NEMA SM 24-1991 (R1997, R2002)
Withdrawn
A Withdrawn Standard is one, which is removed from sale, and its unique number can no longer be used. The Standard can be withdrawn and not replaced, or it can be withdrawn and replaced by a Standard with a different number.
LAND BASED STEAM TURBINE GENERATOR SETS 0 TO 33,000 kW
31-12-2015
06-12-2012
Foreword
Scope
1 Referenced standards and definitions
Referenced standards
Definitions
2 Construction
General
Types of steam turbines
Steam turbine components
Features and accessories
Turbine generator rating
Thermodynamic terms
Turbine connections
Lubrication
Provisions for the environment
General mechanical requirements
Gear construction
Types of generators
Generator components
General electrical requirements
3 Controls
Governing system
Speed governing system classification
Steam pressure control
Compensated control system
Electronic governing system
Automatic start controls
Turbine generator controls
Synchronous generator
Induction generator
Generation system control
Generator voltage control
Generator control panel and switchgear
4 Protection
Basic features
Overcurrent
5 Factory testing
Turbine
Gear
Generator
Combined test (optional)
6 Sound pressure levels
General
Sound pressure levels
Sound pressure level measurement procedure
Correction for background noise
Sound resolution
Instruments
Sound attenuation
7 Preparation for shipment and storage
Shipping preparation
Shipment
Receipt and storage of equipment
8 Installation
Introduction
Supervision of installation
Installation
Steam piping systems
Drain piping
Leak-offs
Full-flow relief device
Coupling alignment
Grouting
Flushing oil system
Generator leads
Sample problems
9 Operation and maintenance
Introduction
Operation
Noncondensing turbine operation of a multistage
condensing turbine
Typical starting sequence for a steam turbine
generator set
Maintenance
Internal water washing
Steam purity
10 Inquiry guide
Appendix
Defines construction standards and testing and performance requirements for single stage and multi stage steam turbines, reduction gears, air cooled electric generators, switchgear, and auxiliary systems. Coverage includes shaftseals, rotor assembly, controlling device, nameplate data, generator constants, maximum speed rise, voltage control, generation system control, overspeed sensing device, sound pressure levels, sound attenuation, supervision of installation, coupling alignment, internal water washing, and receipt and storage of equipment.
| DocumentType |
Standard
|
| PublisherName |
National Electrical Manufacturers Association
|
| Status |
Withdrawn
|
| API 612 : 2014 | PETROLEUM, PETROCHEMICAL, AND NATURAL GAS INDUSTRIES - STEAM TURBINES - SPECIAL-PURPOSE APPLICATIONS |
| ASHRAE HDBK REFRIGERATION : 2014 | ASHRAE HANDBOOK - REFRIGERATION |
| API STD 612:2020 | Petroleum, Petrochemical, and Natural Gas Industries - Steam Turbines - Special-purpose Applications |
| NEMA MG 1 : 2016 | MOTORS AND GENERATORS |
| ASME B31.1 : 2016 | POWER PIPING |
| NEMA SM 23-1991 (R1997, R2002) | STEAM TURBINES FOR MECHANICAL DRIVE SERVICE |
| ANSI S1.4 : 1983 | SPECIFICATION FOR SOUND LEVEL METERS |
| ANSI S1.11 : 2014 | SPECIFICATION FOR OCTAVE-BAND AND FRACTIONAL-OCTAVE-BAND ANALOG AND DIGITAL FILTERS |
| NEMA 250 : 2014 | ENCLOSURES FOR ELECTRICAL EQUIPMENT (1000 VOLTS MAXIMUM) |
| AGMA 421.06 : 1969 | PRACTICE FOR HIGH SPEED HELICAL AND HERRINGBONE GEAR UNITS |
| ASME B16.1 : 2015 | Gray Iron Pipe Flanges and Flanged Fittings: Classes 25, 125, and 250 |
| ASME B1.20.1 : 2013(R2018) | PIPE THREADS, GENERAL PURPOSE (INCH) |
| IEEE 115-2009 REDLINE | IEEE Guide for Test Procedures for Synchronous Machines Part I—Acceptance and Performance Testing Part II—Test Procedures and Parameter Determination for Dynamic Analysis |
| IEEE C37.06-2009 | AC HIGH-VOLTAGE CIRCUIT BREAKERS RATED ON A SYMMETRICAL CURRENT BASIS - PREFERRED RATINGS AND RELATED REQUIRED CAPABILITIES |
| ASME B16.5 : 2017 | PIPE FLANGES AND FLANGED FITTINGS: NPS 1/2 THROUGH NPS 24 METRIC/INCH STANDARD |
| IEEE 112-2004 | IEEE Standard Test Procedure for Polyphase Induction Motors and Generators |
| NEMA AB 1 | Molded-Case Circuit Breakers, Molded Case Switches, and Circuit-Breaker Enclosures |
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