Steam turbines start-ups 1 Principles of steam turbines start-ups
Steam turbines are being started based on operating instructions developed by turbine . Control of lube oil pressure and temperature, as well as rotor axial . supplied to the turbine through drain or extraction pipelines. The flow of cooling .. Figure 21. Vibration measurement of bearing pedestals (a) and turbine shaft (b).
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TUTORIAL ON LARGE STEAM TURBINE SYSTEMS IN OIL & GAS
For the oil and gas applications, steam turbines are specified according to the . For steam extraction applications it is necessary to install in the extraction pipe a .. which triggers the trip of the operating pump and the start of the stand-by pump .. at turbine exhaust, steam flow rate, temperature measurements for various
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Steam turbine - generator shaft grounding. - Lehigh Preserve
Jan 1, 1985 . the Steam Turbine-Generator Unit which provided the information . 6 Shaft to Ground Measurement Data-Martins . 24 The Influence of Lubricating Oil Film Thickness . these, leaving only insulated bearing pedestals and shaft grounding devices Removal of the front standard grounding device broke.
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Steam Turbine
Gland sealing, control oil, seal oil, lubricating oil systems. 2. Page 3. • PRINCIPLE OF OPERATION OF STEAM TURBINES. • EXTRACTIONS OF STEAM TURBINE . THRUST BALANCING SYSTEM OF A STEAM TURBINE Both blocks can slide freely on their pedestals. 114 . Method of measurement of IP and HP.
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Monitoring Vibration Levels in Steam Turbines
fired combined cycle gas turbine, oil, and coal fired power . In thermal power plants, energy is extracted from steam under high . measuring the relative shaft vibration between the pedestal and the shaft (see Figure 3A for a schematic.
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TURBINE INSTABILITIES - NTRS - Nasa
causes of rotor instability in turbines, whether they are steam or gas driven, re- late closely . by "oil whip or re-excitation of the rotors first critical speed will be measured . and the high bearing pedestal stiffness relative to the oil film stiffness. . extraction pressure transients, the rotor re-excitation was below 0.25 mils peak-.
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Steam turbine introduction & maintenance ppt - SlideShare
This Presentation is for Introduction about Steam turbine & its . Blue matching of pads of old good or New/ rebaabbited bearing with pedestal should be more than > 90 % with all the sides . It is measured by means of inside micrometers from the oil guard Seat . Optimizing Steam Extraction Locations; 50.
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mechanical run test of steam turbine - Irjet
Abstract –Steam turbines provide a means of converting saturated, superheated . production and is a must for reliable products and also improvement of . testing and measurement of the performance values, it is necessary to . test within the specified ranges recommended, Test stand oil filtration system
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Steam Turbines - EPA
applications, steam at lower pressure is extracted from the steam turbine and used . in the associated boiler or other heat source, including coal, oil, natural gas, . steam turbines are extremely reliable with overhaul intervals measured in years. . river, lake or cooling tower, condenses the steam into (liquid) water.59 The
Get PriceGER-3705 - GE Steam Turbine Design Philosophy and . - GE
long-term reliability and efficiency measurements. Technology . stand the total cost of ownership of equipment .. Steam turbine with partial-arc admission following controlled extraction .. system can combat such dirty-oil-related damage.
Get PriceSteam turbines start-ups 1 Principles of steam turbines start-ups
Steam turbines are being started based on operating instructions developed by turbine . Control of lube oil pressure and temperature, as well as rotor axial . supplied to the turbine through drain or extraction pipelines. The flow of cooling .. Figure 21. Vibration measurement of bearing pedestals (a) and turbine shaft (b).
Get Price
TUTORIAL ON LARGE STEAM TURBINE SYSTEMS IN OIL & GAS
For the oil and gas applications, steam turbines are specified according to the . For steam extraction applications it is necessary to install in the extraction pipe a .. which triggers the trip of the operating pump and the start of the stand-by pump .. at turbine exhaust, steam flow rate, temperature measurements for various
Get Price
Steam turbine - generator shaft grounding. - Lehigh Preserve
Jan 1, 1985 . the Steam Turbine-Generator Unit which provided the information . 6 Shaft to Ground Measurement Data-Martins . 24 The Influence of Lubricating Oil Film Thickness . these, leaving only insulated bearing pedestals and shaft grounding devices Removal of the front standard grounding device broke.
Get PriceSteam Turbine
Gland sealing, control oil, seal oil, lubricating oil systems. 2. Page 3. • PRINCIPLE OF OPERATION OF STEAM TURBINES. • EXTRACTIONS OF STEAM TURBINE . THRUST BALANCING SYSTEM OF A STEAM TURBINE Both blocks can slide freely on their pedestals. 114 . Method of measurement of IP and HP.
Get Price
Monitoring Vibration Levels in Steam Turbines
fired combined cycle gas turbine, oil, and coal fired power . In thermal power plants, energy is extracted from steam under high . measuring the relative shaft vibration between the pedestal and the shaft (see Figure 3A for a schematic.
Get Price
mechanical run test of steam turbine - Irjet
Abstract –Steam turbines provide a means of converting saturated, superheated . production and is a must for reliable products and also improvement of . testing and measurement of the performance values, it is necessary to . test within the specified ranges recommended, Test stand oil filtration system
Get Price
The Effects of high vibration on the steam turbo-generator machine
This Steam Turbo-Generator is a steam turbine . unplanned shut downs can have catastrophic consequences for the production of electricity. . stemming from the vibration measurements on the bearing pedestals . for oil lubrication.
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TURBINE INSTABILITIES - NTRS - Nasa
causes of rotor instability in turbines, whether they are steam or gas driven, re- late closely . by "oil whip or re-excitation of the rotors first critical speed will be measured . and the high bearing pedestal stiffness relative to the oil film stiffness. . extraction pressure transients, the rotor re-excitation was below 0.25 mils peak-.
Get Price
Steam turbine introduction & maintenance ppt - SlideShare
This Presentation is for Introduction about Steam turbine & its . Blue matching of pads of old good or New/ rebaabbited bearing with pedestal should be more than > 90 % with all the sides . It is measured by means of inside micrometers from the oil guard Seat . Optimizing Steam Extraction Locations; 50.
Get Price
GER-3705 - GE Steam Turbine Design Philosophy and . - GE
long-term reliability and efficiency measurements. Technology . stand the total cost of ownership of equipment .. Steam turbine with partial-arc admission following controlled extraction .. system can combat such dirty-oil-related damage.
Get Price
Steam Turbines - EPA
applications, steam at lower pressure is extracted from the steam turbine and used . in the associated boiler or other heat source, including coal, oil, natural gas, . steam turbines are extremely reliable with overhaul intervals measured in years. . river, lake or cooling tower, condenses the steam into (liquid) water.59 The
Get Price
What are the interlocks for steam turbine?
Steam turbine and generator together have hell a lot of interlocks for the safety . Expansion (Measures the expansion of casing relative to Bearing pedestal ). . If Both CEPs (Condensate Extraction pump ) are unavailable - Trip. . Control/Hydraulic oil pressure ( Operating the Main steam stop and control valves ) Low- Trip.
Get PriceSteam Turbines - Measuring up for shaft growth - Power
Jan 6, 2007 . With todays steam turbine arrangements exceeding the 900 MW barrier this . The turbine casing and pedestal are mechanically joined in most
Get PriceEliminating oil whip–induced vibration after a steam turbine retrofit
Jan 15, 2008 . Upgrades to Unit 2s steam turbine should extend the plants life for a couple more . Measurements revealed uneven movement of the pedestal . Modification of the bearings—including their removal, preparation of the
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Steam Turbine Rotor Vibration Failures: Causes and Solutions
Jan 4, 2013 . Steam turbine rotor vibration that results in premature failure of . lab-based water cycle chemistry measurements SPONSORED . of the rotor within the segmented bearing, and the oil film will not form, also . This removal of the disk from the rotor was done incorrectly, causing deep scratches on the shaft.
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Vibration-Based Diagnostics of Steam Turbines - IntechOpen
particular importance for steam turbine diagnostics: . stability of the oil film in shaft bearings (Bently and Hatch, 2002; Kiciński, 2006). . Vibration signal that can be effectively measured in an accessible point of a turbine is .. have been proposed to extract the monotonic trend, including three-point
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Standard Technical Specification For Main Plant Package of Sub
Thus, the standardisation of main plant (Steam generator, turbine-generator and . Minimum load without oil support for flame stabilization. 2- 7. 2.1.11 . Condensate extraction pumps. 3- 38 .. Measurement functions of control system. 6- 11.
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Turbine Supervisory Guide - Sensonics
plastic, wood oil and water. Large linear . Pedestal vibration is normally measured in the two axes . method of machine health monitoring on steam turbines.
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Power Generation from Coal - International Energy Agency
Coal is the biggest single source of energy for electricity production and its share is growing. .. Typical relationship between steam turbine heat consumption.
Get PriceIndustrial steam turbines - Steam turbines - Siemens Global Website
As a market leader for industrial steam turbines, we offer a comprehensive range of reliable and versatile steam turbines for the power output range from 2 to
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MITSUBISHI Mechanical Drive Steam Turbine
Mitsubishi mechanical drive steam turbines are being accepted favorably as . for the petrochemical industry and oil & gas field. . MCO is well experienced in induction turbine and extraction / induction . Casing supports, having enough strength to with stand . This balancing machine can be measured to 20,000 rpm.
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Troubleshooting Vibration Problems. A Compilation of Case . - DTIC
[he context of the overall compilation report and not as a stand-alone technical . Key Words: Analysis; fans; motor; pumps; turbines; vibration . involves measuring the change in the passing frequency of equally spaced gear teeth or . Equipment: Steam Turbine Driven High Pressure Core Injection Pump on a Boiling.
Get Pricethe turbine supervisory system - canteach
5. Shaft axiaI position. Usually, the position is measured relative to the thrust bearing pedestal. . al problems in the turbine (eg. in the extraction steam piping) and, if . bearing metal temperatures, lube oil temperatures or generator tempera-.
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(vacuum) on efficiency and heat rate of st - ijseat
of regenerative steam turbine by mathematical calculations. . the LP front and rear pedestals themselves are fixed to the foundation. . measured by the thermo couples directly under the white metal. . and generator side. Lube oil is admitted in the oil spaces that . curve. ➢ Cutoff the extractions as mentioned below: 1 st.
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Steam Turbine 505DE Single Extraction - Governor Control Systems
GCS offers TDI (GE) Air Starter(s), Spinner Oil Cleaning Centrifuge(s), KRAL Fuel . Extraction / Admission Steam Turbine Generator . Accumulator Stand
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Reaction Steam Turbines - BHGE
of the Oil and Gas and Power Generation industries. . GE Oil & Gas Reaction Steam Turbines are a modular design that ensures reliability . noise measurements. . Up to two controlled extractions . body of a two casing turbine or a stand-.
Get Price9.4 Appendix IV – Let Down Turbine Technical Information (Cases 1
Attachment A: Steam Turbine and Auxiliaries General Technical Information . The bearings are supplied with high pressure jacking oil at start up and in case of . The turbine front pedestal will be equipped with a motor driven turning gear . Steam Turbine and Auxiliaries for Case 1 Let Down Turbine (90% CO2 removal).
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Steam Turbine Thermal Modeling for Improved . - DiVA portal
comparison of two turbines against measured operational data from their respective power . This thesis addresses the thermal modeling of steam turbines. The .. generating conventional and non-conventional applications such as: oil, gas, coal . The amount of extracted steam and the inlet conditions to the turbine are.
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Selecting Turbines for Pump Drives
A Steam Turbine is an energy conversion device. It extracts . integral cooling water passages for lube oil cooling and are horizontally split to allow bearing removal with the rotor and . BEARING PEDESTAL . Measure Steam Temperature.
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Steam Turbine Calculator - Elliott-Turbo
U.S. Department of Energy Steam Turbine Calculator How-To . results for Elliott steam turbine generators with controlled and/or uncontrolled extractions can be
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