037. jacking oil pump control, starting gear control, temperature monitoring. . 5. Lift Pump Some large hydroelectric turbines are equipped with lift pumps (sometimes called jacking oil pumps) that are used to pump low flow, high pressure oil to the bearings during the process of increasing the rotor speed from minimum speed up to maximum design-rated speed. This specification is intended to cover design, manufacture, assembly, testing and supply of Jacking Oil Pump sets for main turbine and generatorcomplete with foundation base plate, anchor bolts, lifting lugs, coupling, and other accessories including motor and their commissioning at TAPS-3&4. 2 Turbine Lube Oil Pumps Turbine Lube Oil Cooling Water Pump . The tool is the Emergency Diesel Generator (EDG), Emergency Diesel Generator (EDG) which serves as a backup power diesel. DC oil pump berfungsi untuk memompakan oil turbin pada saat terjadi emergency. 4. For this to happen following things are important Viscosity of oil which is directly related to the oil Temperature. 3. Bridge Gap reading : It is the reference of the axis of the shaft with respect to the parting plane of the pedestal. Contents Process Steam Turbine & Auxiliaries . 2. A jacking oil pump also called a lift pump is commonly used on rotor shafts of steam driven Turbine Generators prior to startup or after shutdown to provide even cooling of the shaft and eliminate. To prevent this, in front bearing two jacking oil ports are provided at equivdistance from the vertical center line in either side of the bearing. COES produces oil systems in full compliance with API 614 (ISO 10438:2007) Part 2-Special Purpose and Part 3-General Purpose. ATRS :Oil system shutdownSTEP 51: SLC Turning gear put off. IEC 45- Steam Turbine.pdf 1. (PDF) Practice and Analysis of a Flushing Method for Lubricating Oil System of Thermal Power Unit Practice and Analysis of a Flushing Method for Lubricating Oil System of Thermal Power Unit. d. 6-8 hours before the turbine is rotated. n MAV50 jacking oil system for the IP and LP steam turbine. Gambar 9. Close HP-LP bypass valves 14. Power Output (Generator Terminals MW 116.4 . A.) ATRS :Cond&evac operation. 16 Shaft-turning gear, jacking oil pump 151 Gambar 9. 15. 660 MW Turbine - Free download as Powerpoint Presentation (.ppt), PDF File (.pdf), Text File (.txt) or view presentation slides online. The lube oil system of turbine consists of four pumps auxilary oil pump known as aop, emergency oil pump known as eop, jacking oil pump known as jop and main oil pump known as mop. Disclosure to Promote the Right To Information Whereas the Parliament of India has set out to provide a practical regime of right to information for citizens to secure access to information under the control of public authorities, in order to promote transparency and accountability in the working of every public authority, and whereas the attached publication of . Just before the turbine is rotated.b. Upsets and its protective actions fTurbine lube oil system 1.Provides a supply of oil to journal bearings to give an oil wedge as the shaft rotates. Feed water system 2. turbine continues to rise speed. Fuel Oil Tank 2 Fuel Oil Pumps Steam Heater Combustion Chamber: Main Burners Ignition Burners . The application is typically found on steam turbines and requires oil to be pumped under low system pressure into a governor to control the speed of and/or load output of the turbine. Visual : No deep Grooves, aberrations. Keywords. STEAM TURBINES: PRINCIPLE. View All - Phillip [1065] - Wednesday, May 30, 2012 1077 Views; Provides a medium for hydraulically operating the governor gear and controlling the steam admission valves. Provides a supply of oil to journal bearings to give an oil wedge as the shaft rotates. The jacking oil pump (3) is used to pressurize the bear- ings with high pressure and causes the turbine shaft slightly the bearing race. Steam Plant Auxiliary Systems Maintainers operate and maintain steam turbines and reduction gears used for ship propulsion and auxiliary machinery such as turbo-generators, pumps, and oil purifiers; maintain auxiliary machinery outside of main machinery spaces, such as electro-hydraulic steering This reduces wear, reduces heat and improves efficiency. (Turbine oiling system ) 9: (Steam turbine) 1. fuels. The capacity of the turbine is coming from 0.75 KW to 1000 MW. 1. Efficiency (Referred to Generator Terminals) % 33 . Two jacking oil systems are included in the auxiliary block of the gas turboset: n MBV50 jacking oil system for the gas turbine and generator. The change of bear carrying, oil film rigidity and clearance variation in flow passage of steam-turbine generator could be deduced through measuring shaft center position and analyzing its variation to . This type is typically used on small, single-stage turbines where oil temperatures exceed 82 degrees C. The saddle pump is usually mounted on the coupling end bearing cap and is shaft-driven through spur gears. The failure process eliminated the use of fractography to identify the mode of fracture. . Steam Turbine Lubrications Lubrication:- Turbine bearings are hydro dynamically Lubricated. 038. ATRS :cond&evac . Number of Compressor . 2.4 1x100% Jacking Oil Pumps with AC Motor NO 1 750x500x400 0.250 2.5 Duplex Filter for Lube Oil NO 1 2000x650x2500 1.650 2.6 Oil Vapour Ext Fan with AC Motor (2x100%) NO 2 500 x 400 x 500 0.075 . The main purpose of the turbine lubricating oil system is to provide fluid friction in the bearings of turbines, generators, feed pumps, and gearboxes. The turbine bearing journals are hydrostatically lifted off the . Japan International Cooperation Agency . 4. 3.0 FUNCTION: The flexibility of standardised modules precisely meets specific operating conditions. Lube oil system 4. INDIA Steam Turbine Generator set NITIN CORPORATION 402, 4th Floor, Bezzola Commercial Complex, Sion - Trombay Road, Chembur, Mumbai - 400071, India. 12. One half hour before the turbine is rotated. The cycle used is "Modified Rankine cycle" which includes super heated steam, regenerating feed water and reheated steam. 7 Steam Turbine, Condenser dan Generator 23 Gambar 2. During start-up the operation of LP turbine should be supervised with special emphasis on: steam temperature downstream the penultimate stage, partial vacuum break at turbine shutdown, protection against condenser pressure raise. DEPENDENT AIR PUMP 13. It cuts out when the turbine reaches operation speed; Main lube oil pump - this pump draws the oil from a lube oil tank and supplies the turbine bearings and governor. switch when the lube oil pr. the steam turbine's generator stator in early 2008. Turbines of course are built in many forms, from very large multi-cylinder power generation units, through procesdfeed pump drives to the smal ler specialized designs using process fluid in an integrated expander/compressor configuration. During normal operation of a main propulsion turbine, the lube oil supply temperature to the bearings should be maintained at approximately _____. Modern steam turbine is also used as a prime mover in a big thermal power plant. consisting of reaction stages and a dummy . Pivot Edge. at the time rpm was 150rpm means 5% speed of rotation after bearing pump stop alarm was appeared pump stop and low pressure alarm on list. 10. All the turbine bearings are checked for following :-. When the rotor speed falls to a predetermined low value, put the rotor on turning gear manually or turning gear may cut-in automatically 11. This means lifting the shaft, ensuring the complete separation of Cooling water system . A turning gear system, for a turbine, comprising: a pinion configured and arranged to engage a turning gear so as to turn a shaft of the turbine; a higher pressure oil system, having a hydraulic motor; a lower pressure oil system having a hydraulic pump coupled to the hydraulic motor so as to enable a generation of a flow rate using the high . +86 838-2226655 2206509 2207616 2310388 +86 838 2300921 . Seven boilers are used to produce up to 860 tons per hour of steam. Before placing the jacking gear in operation on a main turbine unit, you must always ensure that c. 2-3 hours before the turbine is rotated. Turbine motorized barring gear Jacking oil for bearing shell & rotor No Main oil pump Separate governing box in front pedestal High pressure governing system Pressurized damper tanks with no separate air / h2 seal oil pumps HP / LP Bypass control system similar to 500 MW unit HP Bypass system pressurized lubricating oil to various types of industrial rotating equipment. (Oil supply) . 2. TG DECK IS VIS SUPPORTED AND HAS 26 CONCRETE COLUMNS (T1 -T26). After the pump has been stopped, the jacking oil pumps are switched-o automatically. (convergence should be in the direction of rotation) Gland steam system 5. Gambar 2. 19 1.11 Auxiliary Oil Pump 22 1.12 Jacking Oil Pump 23 1.13 DC Emergency Oil Pump 23 1.13.a Oil Vapour Exhaust Fan 24 1.14 Turbine Lube Oil Coolers 24 1.15 Lub Oil Filter . where fuel is injected and combustion occurs. turbine, internal combustion engine, steam turbine; lubricating oil / governing/seal oil systems; b. Lube Oil Consoles ( or skid ) inject uniformly clean and cool oil into bearings before, during and after compressor operation. STEP 55: SLC oil pumps off. June 2013 . Typically, these lube oil systems include pumps, heat exchangers, filters, controls and instrumentation. It reduces friction between rotating and fixed elements of the turbine and generator such as occur in the journ al bearings and thrust bearings. Engine Lubricating oil maintenance: causes of deterioration; additives; oil purification equipment. Liner ring . 2.0 FUNCTION: It removes heat from the bearings. The lube-oil service pump discharges through duplex discharge strainers of fine mesh, where any foreign solid matter which passed through the suction strainers is removed. Electric Power Development Co., Ltd. . The major function of existing gas power station Turbo-generator Set jacking oil and cranking system is, in steam turbine generator Group jiggering, startups, in stopping process, it is oily that. 4 steam turbines are used to generate power with a total capacity of 103MW at this location. 3. Basic components of a gas turbine A simple gas turbine is composed of a compressor, a combustor, and an exhaust turbine. Excessive porosity and localized dents are allowed and are the reasons for rejection of the bearings. REVERSING ENGINE 14. 2)Turbine lubricating oil system Function: 1. basics Maintains the temperature of turbine bearings constant at the required level. Lube oil Booster Pump - this pump is used at start-up and ensures an adequate flow at slow speeds. fClassification Impulse turbine Reaction turbine fRANKINE CYCLE ff IPSV1IPCV 1 FROM RH TURBINE LAYOUT ESV CV1 1 CRH EXCI GENERATOR TER 4 5 6 1 2 3 IPT LPT HPT 1X17 2X12 2X6 Rotation/speed of the Rotor. Lube Oil The application requires lubricating oil to be pumped under low system pressure to the rotating element of the gas turbine and/or generator during operation. SST-150 Industrial Steam Turbines Up to 20 MW The SST-150 is a single-casing steam turbine, providing geared drive to a . 8 Steam ejector . THE PUMPING SETS ARE INTENDED FOR OPERATION IN CONJUNCTION WITH STEAM TURBINES AND SHOULD BE SUITABLE FOR CONTINUOUS OPERATION AT AN AMBIENT TEMPERATURE OF 50'C + 90% HUMIDITY. Lube Oil Leakage from H2 Cooled Steam Turbine Generator Bearings seals: Power Generation: 4: Jul 17, 2020: R: Relation Between Steam Turbine Inlet pressure and Steam Generator Outlet Pressure: Power Generation: 1: Feb 18, 2018: P: Jacking Oil Pump for Steam Turbine/Generator: Power Generation: 3: Oct 30, 2015: V: Hydrogen Cooled Steam Turbine . PROGRESSING CAVITY PUMPS ALLWEILER PERISTALTIC PUMPS ALLWEILER GEAR PUMPS ZENITH IMO PERFORMANCE DATA Delivery: up to 450 m3/h / 1,980 gpm Upon leaving the compressor, the air enters the combustor. For jacking oil, to adjust the pressure a variable orifice is provided. 22. Siemens Steam Turbine SST-150. 2).All three impellers are fabricated from 1Cr-1Mo steel and are enclosed in . sales@yoyik.com d) Jacking Oil Pump Very low pulsation, extremely quiet high-efficiency pumps. Usually JOP pressure ranges from 50 to 100 kg/cm^2 depending upon size, weight and design of turbine and rotor. Shut down the boiler and keep it boxed and bottled up 13. 5. STEAM TURBINE Steam Turbine A steam turbine is a mechanical device that extracts thermal energy from pressurized steam, and converts it into useful mechanical work. HP oil supply:- To supply the test oil for MOST, auto stop oil and emergency oil for trip device. 2 When turbine rotate speed is 2850r/min,check that jacking oil pump stop automatically, or stop manual, put into standby. causes of rotor instability in turbines, whether they are steam or gas driven, re- . Gland steam system merupakan suatu sistem yang berfungsi sebagai . The modern steam Turbine was made by Sir Charles Parsons in the year 1884.Thedesign has been changed in many times. c) D.C. STEP 53: waitingSTEP 54: SLC jacking oil pumps off. The jacking oil system supplies high-pressure oil to the bearings where it forms hydrostatically a lube oil film between journal and lower . If not go to step-1.036. FUNCTION:- JACKING OIL PUMP MES IN OPERATION IN CONJUNCTION WITH THE BARRING OPERATION OF THE TURBINE. Protection Electrical Protection Lube Oil Pressure Lube Oil tank level Inlet pressure Turbine Blade -3.8. Steam Turbine; Thrust Bearing; Labyrinth Seal; Lubrication System; White Metal; These keywords were added by machine and not by the . Oil pumps can be driven by AC or DC motors or by steam turbines. It is a safe, reliable, economical and highly efficient low-reaction turbine for thermal and power generation. The H Series multi-stage steam turbine is designed for high inlet pressure and temperature. suddenly bearing lift oil pump stop but turning was continue we checked all alarm. 43 Steam Turbine Bearings Thrust 1.Bearing Housing 2. STEP 52: check for turbine standstill. Apart from that barring arrangement is giving between lp and Ip turbine for uniform cooling down of turbine and avoid shaft sagging. JACKING ENGINE AND GEAR 11. 17 Titik pelumasan pada poros gigi utama dari katup uap. STEAM TURBINE Presented By Mohamed J. Albahar 15912. Hot turbines that are being shut down are put on "turning gear" drive. Application: From jacking oil to fuel injection, the CIG gear pump from CIRCOR is the perfect pump option for aero-derivative turbines. Wonderware HMI / SCADA System. During operation, air enters the compressor at ambient temperature and is compressed to a higher pressure and temperature. Recently, the plant O&M team reviewed and improved the long-term . UJP Palabuhanratu in the power plant has three units of electricity supply systems and to maintain a stable supply of electricity when . 5. b) Describe the adverse consequences/operating . 1 Power oil lter 1 Jacking oil pump 1 Rotor barring pump 2 Oil pressure accumulators System 23. Turbine Bearing Catenaries -3-7. STEAM TURBINE K-660-247 LMZ (LENINGRADSKY METALLICHESKY ZAVOD) K STANDS FOR KLAPAN LTD.,BULGARIA WHICH SUPPLIES TURBINE,NOZZLES,DIAPHRAGMS, SEALS,BLADES ETC. Steam Turbine Final Draft . WEB : www.corponit.com E - MAIL : enquiry@corponit.com . The selection and design of the main items are performed . Turbine Manual - Free ebook download as PDF File (.pdf), Text File (.txt) or read book online for free. . Provides a medium for hydraulically operating the governor gear and controlling the steam admission valves. JOP supply:-To supply the jacking oil for bearing no 3 to 6 to jack up the turbine rotor during Turing gear and low speed operation. all parameters found Why are there some turbines which do not have a jacking oil pump? THROTTLE. STEP 7: checking for jacking oil pumps off.STEP 8: check for turbine speed < 510 rpm. - Temperature of exhaust steam from turbine : 46.1 deg C . It is suitable for mechanical drives as well. Shell & Tube oil coolers, oil filters and oil mist separators are designed and produced by COES. Break the condenser vacuum 12. tu . n MAV50 jacking oil system for the IP and LP steam turbine. No.36, Tumenjiang Road, Deyang, Sichuan, China. n Jacking-oil pump. Emergency Oil Pump This pump is a standby pump which can be started manually or automatically through a pr. Lubrication Oil Jacking system Hydraulic System Bearings Turning Gear For BPST Hp/LP bypass For ST Vacuum Pump and Ejector. 2. Steam is also used in . Turbine Grand -3-9. Start the jacking oil pump 10. Piping: a. Make up water system 3. This is normally a centrifugal pump driven by the turbine or generator . THE TURBINE LUBRICATING OIL SYSTEM OBJECTIVES: Aftercompleting this module you will be able to: 10.1 a) Explain how the bearing inletoil pressure is controlled when theoilissuppliedbyeachofthe following pumps: i) Main oil pump; ii) Auxiliary oilpump: iii) Emergency oilpump; iv) Jacking oilpumps. 1.0 17.5 MW Steam Turbine 1.1 Steam Turbine SET 1 4000x5000x3500 32.000 1.2 Gear Box NO 1 11.200 1.3 Manual Barring Device and Turning Device - . Desired Clearances/Converging Wedge in the Bearings. Rotor Jacking Large frame-sized turbines found in utility scale steam combustion and combined cycle power plants use high-pressure hydraulic oil pumps to lift the turbine shaft from its sleeve bearings before the turbine is started. Direction of Rotation (looking From Generator) CLOCKWISE . Condensate system The condensate system has two full-size pumps, preserved as follows with motor and pump coupled throughout the layup period: 1).Several pumps, similar to the pump shown in Fig. The oil system is an integral element of the turbine unit, which largely determines its reliability and trouble-free operation. 8.Start AOP and check HP oil pressure (24.4kg/cm2). At this point, the hydraulic turning gear starts to accelerate the turbine rotor. 1 Labyrinth . Touch-screen terminal control, monitoring, TG HALL IS CONSTITUTED OF 3 MAINS ROWS OF COLUMNS -A,B ,C ROW AND TWO BAYS -AB BAY AND BC BAY. drops to 50% of the normal value in case main and auxiliary oil pumps cease to operate or there is breakdown the electricity supply system to the pumps. It is a wide range of uses such as pumps, compressor etc. 42 Steam Turbine Bearings Thrust. When starting a large condensing or extraction turbine, the lubricating oil pump is usually started: 4. a. An oil system should provide: Some jacking oil pumps failed during operation at various thermal power plants. In doing so, a thin film of lubri- cating oil provides a low friction layer between the bear- ing and the shaft. Fire pump Boiler Feed pump Fuel oil transfer pump All of the above 13 5 D Assume that steam has formed in a boiler in which all of the steam stop valves are closed, and the water level is held . GE Frame 9E Gas Turbine Plant 2 EACH GE FRAME 9E, PG9161, MS9001 . Main oil pump untuk mengalirkan oil ke bearing turbine pada saat turbine sudah berputar. 3 Running speed continues . o (A) 60F o (B) 72F (C) 120F o (D) 135F If choice C is selected set score to 1. AIR PUMP BEAM 12. JOP or jacking oil pump is used to lift the heavy rotor by formation of oil film due to which it doesnt rub against the bearing white metal/babbit metal bedding area at low speeds. 13 21 C Concerning the classification of steam turbines, a compound designed turbine is a unit _____. c. Applications of ball and roller bearings and their lubrication; bearing seals. The shaft center of steam-turbine generator, showing relative position of shaft and bearing bush, would changed when jacking oil pump or turning gear started, raising speed and loading carrying. Gas Turbine Model PG9161 . In a system of steam power plants, there is an important tool for backing up the load - essential loads (essential) during a blackout. Jacking oil pumps are used in steam turbines (Fig. Clearance Adjustment of Turbine Bearing and Other Parts -3-6. A saddle pump lube type is a supplementary system in which an oil pump is used to circulate oil through the bearing housings. This specification is intended to cover design, manufacture, assembly, testing and supply of Jacking Oil Pump set for main turbine and generatorcomplete with foundation base plate, anchor bolts, lifting lugs, coupling, and other accessories including motor and their commissioning at TAPS-3&4. 1, failed at various thermal power stations.Basically, these pumps consist of one powered impeller that rotates at high speed and two idler impellers on either side of this powered impeller (sectional view in Fig. 152 Gambar 10. The main objective behind my project is to study about the thermal plant, how power is generated, what are its sources, working of boilers, turbines, generators etc. B.) The jacking oil system supplies high-pressure oil to the bearings where it forms hydrostatically a lube oil film between journal and lower bearing shell at standstill or at low rotational speed of the rotor. Rotor Speed RPM 3000 . JACKING OIL PUMPS DETAILS: Make : Tushaco Pumps Type : High pressure gear pump Model : HPG 3E Flow : 50 Lpm . The lUbricating oil system performs three basic func tions: 1. 7.Start turbine barring gear and check turbine speed(2.8RPM). TECHNICAL PARTICULARS GAS TURBINE GENERAL DATA . The steam turbine is used as the prime mover for driving equipment such as blowers, pumps and compressors, but its predominant use is to drive alternators and generators for the production of electricity. 61 . Maintains the temperature of turbine bearings constant at the required level. Jacking Oil Pump -3-5. according to trend we put speed % , pump running status, 20tu torque converter filling and drain valve. Main steam stop valve PDF - Dhinesh [1180] - Friday, June 8, 2012 2827 Views; Main steam stop valve - Jim Watts [764] - Saturday, June 9, 2012 2807 Views; .

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