Description
Description:
The axial displacement of a steam turbine refers to the axial movement of the thrust bearing disc of the steam turbine rotor between the thrust pads. The change in axial displacement is also a change in the relative position between the stator and rotor in the axial direction.
The reasons for the increase in axial displacement of the steam turbine are as follows:
- Load changes, sudden load shedding;
- Severe scaling of blades;
- Steam temperature changes;
- Changes in steam flow rate;
- The high pressure shaft seal has significant steam leakage, which affects the temperature increase of the bearing seat;
- Frequency variation;
- Blade breakage during operation;
- Worn or damaged thrust bearing pads;
- Extraction stopped, axial thrust changed;
- Generator rotor movement;
- Change in high-pressure steam seal drainage pressure regulation;
- Vacuum changes;
Electrical axial displacement meter, affected by changes in frequency and voltage; Hydraulic shaft displacement gauge is affected by changes in outlet oil pressure and temperature of the main oil pump.
Regular Spares:
- Axial Displacement CWY-DO-20T08-M10*1-C-00-03-50K
- Axial Displacement Proximitor CWY-DO-810800-50-09- 02
- Axial Displacement Proximitor CWY-DO-810800-50-09-02-01
- Axial Displacement Transmitter JX5111-02-50
- Axial Displacement Monitor MMS6210
- Axial Displacement Probe PR6424/010-030
- Axial Displacement Transmitter TM302-A00-B00-C00-D00- E00-F00-G00
- Axial Displacement Transmission Protector TM302-A00- B00-C00-D00-E00-F00-G01
- Axial Displacement Transmission Protection Table TM302- A01-800-C00-D00-E11-F00-G01
Tersedia juga model lain.
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