GB/T 6075.2-2007
Mechanical vibration Evaluation of machine vibration by measurements on non-rotating parts Part 2: Land-based steam turbines and generators in excess of 5O MWwith normal operating speedsof 1500r/min,1800r/min,300O r/min and 3600r/min (English Version)
- Standard No.
- GB/T 6075.2-2007
- Language
- Chinese, Available in English version
- Release Date
- 2007
- Published By
- General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China
- Status
- 2013-03
- Replace By
- GB/T 6075.2-2012
- Latest
- GB/T 6075.2-2012
- Replace
- GB/T 6075.2-2002
- Scope
- This part specifies the on-site measurement method and evaluation criteria for radial broadband vibration of steam turbine and generator bearing housings installed on land. For: - vibration in normal steady-state operation; - vibration during transient operation, including when speeding up or down through resonant speed; - vibration changes during normal steady-state operation. These guidelines also apply to axial vibrations measured on thrust bearings. This part applies to steam turbines and generators installed on land with rated [work speed] 1500r/min, 1800r/min, 3000r/min, 3600r/min, and output power greater than 50MW, including steam turbines and (or) power generators directly connected to gas turbines machine (such as combined cycle applications), in this case, the guidelines in this part only apply to steam turbines and generators, and the evaluation of gas turbine vibration should be carried out in accordance with GB/T 11348.4 and GB/T 6075.4. This section applies to the measurement and evaluation of vibrations excited by different vibration sources on steam turbine bearings and generator bearings. However, the criteria in Clause 4 and the contents of Appendix A apply only to vibrations induced by rotating parts. These criteria do not apply to the evaluation of double-frequency (ie, twice the frequency of the electrical system) vibrations excited by electromagnetic vibrations, which are excited by the stator coils of the generator and transmitted to the bearings. The allowable value for this vibration depends on the specific structural characteristics of the generator, and existing industry knowledge does not yet provide a basis for determining its general value. Acceptable criteria for such vibrations may need to be agreed between supplier and user and based on experience with similar equipment.
GB/T 6075.2-2007 history
- 2012 GB/T 6075.2-2012 Mechanical vibration.Evaluation of machine vibration by measurements on non-rotating parts.Part 2:Land-based steam turbines and generators in excess of 50 MW with normal operating speeds of 1500r/min,1800r/min,3000r/min and 3600r/min
- 2007 GB/T 6075.2-2007 Mechanical vibration Evaluation of machine vibration by measurements on non-rotating parts Part 2: Land-based steam turbines and generators in excess of 5O MWwith normal operating speedsof 1500r/min,1800r/min,300O r/min and 3600r/min
- 2002 GB/T 6075.2-2002 Mechanical vibration--Evaluation of machine vibration by measurements on non-rotating parts Part 2: Large land-based steam turbine generator sets in excess of 50MW
GB/T 6075.2-2007 -All Parts
GB/T 6075.1-2012 Mechanical vibration.Evaluation of machine vibration by measurements on non-rotating parts.Part 1:General guidelines
GB/T 6075.2-2012 Mechanical vibration.Evaluation of machine vibration by measurements on non-rotating parts.Part 2:Land-based steam turbines and generators in excess of 50 MW with normal operating speeds of 1500r/min,1800r/min,3000r/min and 3600r/min
GB/T 6075.3-2011 Mechanical vibration.Evaluation of machine vibration by measurements on non-rotating parts.Part 3: Industrial machines with nominal power above 15 kW and nominal speeds between 120 r/min and 15 000 r/min when measured in situ
GB/T 6075.4-2015 Mechanical vibrations - Measurement and evaluation of vibrations in machines on non-rotating parts - Part 4: Gas turbine units with plain bearings
GB/T 6075.5-2002 Mechanical vibration--Evaluation of machine vibration by measurements on non-rotating parts--Part 5: Machine sets in hydraulic power generating and pumping plants
GB/T 6075.6-2002 Mechanical vibration--Evaluation of machine vibration by measurements on non-rotating parts--Part 6: Reciprocating machines with power ratings above 100kW
GB/T 6075.7-2015 Mechanical vibration - Measurement and evaluation of vibration in machines on non-rotating parts - Part 7: Rotating power pumps for industrial applications (including measurements on rotating shafts)