summer training presentation in bhel by ankit tyagi
TRANSCRIPT
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TRAINING SEMINAR ON BHEL
ANKIT TYAGIFINAL YEAR, EE-07006
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ABOUT BHEL
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HISTORY
ESTABLISHED IN 1965 FIRST HEAVY ENGINEERING INDUSTRY IN
INDIA, SETUP AT BHOPAL (MP) SUPPLIES EQUIPMENTS CAPABLE FOR
GENERATING 6000MW/YEAR EXPORTS REACHED Rs.122 CRORES,
HIGHEST FOR ANY YEAR IN 1978-79 HEAD OFFICE IN NEW DELHI
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BHEL IN PRESENT SCENARIO….
A widespread network comprising of 14 manufacturing companies
With an export presence in more than 60 countries
Supplied over 25000 Motors with Drive Control System to power projects, Petrochemicals Refineries, Steel, Aluminum, Fertilizer, Cement plant, etc.
150 Project sites
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CONTD…
Supplied Traction electrics and AC/DC locos over 12000kms Railway network.
Supplied over one million Values to Power Plants and other Industries
Installed equipment for over 90,000MW of power generation for Utilities, captive and Industrial users.
14 Manufacturing Divisions 9 Service Centers 4 Power Sector Regional Centers
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CLIENTS INCLUDE..
POWER INDUSTRY TRANSPORTATION TRANSMISSION TELECOMMUNICATION DEFENCES ETC.
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BHEL HARIDWAR
HAS 8 DIFFERENT BLOCKS Block-1:- In block one turbo generator, generator,
exciter motors (A.C&D.C) are manufactured & assembled
Block-2:- In block two large size fabricated assemblies\component for power equipment are manufactured & assembled.
Block-3:- In block -3 steam turbine, hydro turbines, and gas turbines, turbines blade are manufactured & assembled
Block-4:- In block -4winding for turbo generator, hydro generator, insulation of A.C&D.C motors insulating component for turbo generator, hydro generator motors are manufactured & assembled
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Block-5:- In block -5 fabricated parts of steam turbine water box, hydro turbine turbines parts are manufactured & assembled
Block-6:- In block -6 fabricated oil tanks hollow guide blades, rings, stator frames rotor spiders are manufactured & assembled
Block-7:- In block -7all types of dies including stamping dies, stamping for generators &motors are manufactured & assembled
Block-8:- In block -8 LP heaters, ejectors, steam coolers, oil coolers, ACG coolers, oil tanks are manufactured & assembled
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BLOCK-4MANUFACTURING OF BAR BY STEP:
Conductor cutting lower bar upper bar Transposition Crossover insulation Forming Brazing of coil lugs Nitrogen leak test
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Thermal shock test Helium leak test Insulation Impregnation and baking thermo reactive system micalastic system VIP micalstic system Finishing
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Conducting varnish coating OCP(outer corona) ECP(end corona protection) Testing h.v. test
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BLOCK – 01Conventional Bay-wise broad distribution
LSTG Area large size turbo generators BAY-1 hydro generators, their exciters,
PMG and Large size Turbo- Generators BAY-2 Turbo-generators, their exciters
and Heavy Electrical Motors BAY-3 Medium size Electrical Motors
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Block-1 is designed to manufacture hydro-generators and large and medium size AC and DC Electrical machines.
The Block consists of 3 Bays: Bay-1(36*482 meters),Bay- 2, (36*360 meters) and Bay-3 of size 24*360 meters each. For handling and transporting the various components over-head crane facilities are available, depending upon the products manufactured in each bay. There are also a number of self propelled electrically driven transfer trolleys for the inter-bay movements of components/assemblies
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MANUFACTURING PROFILE
Generator 1) Kraft Work Union- i) THDF ii) THRI
iii) TARI TARI: Capacity 500 MW, Cooling is
done by air. THRI: Capacity 130-400 MW. Water is
the cooling medium. Stator is indirectly cooled while Rotor is radially cooled.
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Hydrogen Cooled Turbo generators Of 140-260 Mw Range (Type: THRI ) Salient Design Features
Stator core and rotor winding directly hydrogen cooled Indirect cooling of stator winding Rigid core bar mounting Micalastic insulation system End shield mounted bearings Top ripple springs in stator slots Ring type shaft seals Symmetrical ventilation.
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Salient Technical Data
Rated output : 588 MVA, 500 MV
Terminal voltage : 21 KV Rated stator current : 16 KA Rated frequency : 50 Hz Rated power factor : 0.85 Lag Efficiency : 98.55%
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Important Weights
Heaviest Lift of Generator Stator : 255 Tons
Rotor Weight : 68 Tons
Total Weight of Turbo Generator : 428 Tons
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Large DC MachinesSalient features of large custom-built m/c
Compact design with smaller size. MICALASTIC insulation using VPI technology
for high electrical and mechanical strength Sturdy mechanical construction to meet
frequent reversals Low moment of inertia Skewed armature slots for reduced noise level Fully compensated for high overloads & wide
speed range.
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Technical Data
Ratings:-from 1400 kW at 1000 rpm to 12000 kW at 70 rpm
Voltage: - up to 1200 V. Higher voltages
on request Mountings: - both horizontal and vertical
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MEDIUM SIZE AC MOTORS
Very high efficiency. Torsionally rigid,
rugged housing and end shields made of cast iron.
External and internal ribbing on slip ring enclosure and servicing cover.
MICALASTIC insulation using VPI technology.
Proven anti-friction bearing concept.
Compact dimensions.
Ratings: -200 to 2500 kW
Voltage range: - 3.3 to 11 kV, 50 Hz.
Number of poles: -4 to 12
Shaft heights (in mm.):- 355, 400, 450, 500 and 560
salient features Technical Data
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STATOR
the main part of every motor and generator
very hard, size depends upon its characteristics
Stator frame suitably ribbed
with annular rings
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CONCLUSION
WE GOT KNOWLEDGE ABOUT TGs & MOTORS.
BASICALLY THE WHOLE PROCESS OF MAKING A TURBO GENERATOR RIGHT FROM THE ENRICHMENT OF THE ROTOR TO THE TESTING BED.
APART FROM THAT WE LEARNED HOW DOES THE INDUSTRIES WORK.