GENERATOR Mech Construction Original
Transcript of GENERATOR Mech Construction Original
-
7/31/2019 GENERATOR Mech Construction Original
1/50
BHEL Hardwar
Turbogenerator-An Introduction
http://g/Documents%20and%20Settings/buzzk/Local%20Settings/Temporary%20Internet%20Files/Local%20Settings/unzipped/0%20Revisions/Corp_Overview_May_2002.ppthttp://g/Documents%20and%20Settings/buzzk/Local%20Settings/Temporary%20Internet%20Files/Local%20Settings/unzipped/0%20Revisions/Corp_Overview_May_2002.ppt -
7/31/2019 GENERATOR Mech Construction Original
2/50
BHEL Hardwar
Index
1. Historical developments
2. Types of Generator3. Main parts of Turbogenerator & its functions
4. New developments in Turbogeneartors
http://g/Documents%20and%20Settings/buzzk/Local%20Settings/Temporary%20Internet%20Files/Local%20Settings/unzipped/0%20Revisions/Corp_Overview_May_2002.ppthttp://g/Documents%20and%20Settings/buzzk/Local%20Settings/Temporary%20Internet%20Files/Local%20Settings/unzipped/0%20Revisions/Corp_Overview_May_2002.ppt -
7/31/2019 GENERATOR Mech Construction Original
3/50
BHEL Hardwar
Development of TG
Global development
First single phase generator of 75 KW 1888First 3 phase generator, salient pole 1900First turbo type 3 phase 25 MW generator 1912CEA, UK made 50 HZ as standard frequency for Europe 1925First Hydrogen cooled 3 phase 30 MW generator 1937
First Hydrogen cooled TG with direct cooling of rotor 1949First generator with water cooled stator winding 1956First generator with water cooling for stator and rotor wdg1959
http://g/Documents%20and%20Settings/buzzk/Local%20Settings/Temporary%20Internet%20Files/Local%20Settings/unzipped/0%20Revisions/Corp_Overview_May_2002.ppthttp://g/Documents%20and%20Settings/buzzk/Local%20Settings/Temporary%20Internet%20Files/Local%20Settings/unzipped/0%20Revisions/Corp_Overview_May_2002.ppt -
7/31/2019 GENERATOR Mech Construction Original
4/50
BHEL Hardwar
Development of TG
In India
THREE PLANTS SET UP:IN 1950s:At Bhopal with British collaboration30 MW & 120 MW Hydrogen Cooled
IN 1960s:At Hardwar with Russian Collaboration100 MW Hydrogen Cooled & 200 MW Hydrogen Cooled
IN 1960s:At Hyderabad with CZECH Collaboration
60 MW Air Cooled & 110 MW Hydrogen Cooled
http://g/Documents%20and%20Settings/buzzk/Local%20Settings/Temporary%20Internet%20Files/Local%20Settings/unzipped/0%20Revisions/Corp_Overview_May_2002.ppthttp://g/Documents%20and%20Settings/buzzk/Local%20Settings/Temporary%20Internet%20Files/Local%20Settings/unzipped/0%20Revisions/Corp_Overview_May_2002.ppt -
7/31/2019 GENERATOR Mech Construction Original
5/50
BHEL Hardwar
Types of Turbogenerator
Generator Modules :-
Air Cooled Turbogenerator - TARI
Hydrogen Cooled Turbogenerator - THRI
Hydrogen/Water Cooled TG - THDF and THW
Module Nomenclature -
THRI 108/44
THDF 115/59
http://g/Documents%20and%20Settings/buzzk/Local%20Settings/Temporary%20Internet%20Files/Local%20Settings/unzipped/0%20Revisions/Corp_Overview_May_2002.ppthttp://g/Documents%20and%20Settings/buzzk/Local%20Settings/Temporary%20Internet%20Files/Local%20Settings/unzipped/0%20Revisions/Corp_Overview_May_2002.ppt -
7/31/2019 GENERATOR Mech Construction Original
6/50
BHEL Hardwar
Generator cooling System
http://g/Documents%20and%20Settings/buzzk/Local%20Settings/Temporary%20Internet%20Files/Local%20Settings/unzipped/0%20Revisions/Corp_Overview_May_2002.ppthttp://g/Documents%20and%20Settings/buzzk/Local%20Settings/Temporary%20Internet%20Files/Local%20Settings/unzipped/0%20Revisions/Corp_Overview_May_2002.ppt -
7/31/2019 GENERATOR Mech Construction Original
7/50
BHEL Hardwar
Stator Slot - TARI / THRI
http://g/Documents%20and%20Settings/buzzk/Local%20Settings/Temporary%20Internet%20Files/Local%20Settings/unzipped/0%20Revisions/Corp_Overview_May_2002.ppthttp://g/Documents%20and%20Settings/buzzk/Local%20Settings/Temporary%20Internet%20Files/Local%20Settings/unzipped/0%20Revisions/Corp_Overview_May_2002.ppt -
7/31/2019 GENERATOR Mech Construction Original
8/50
BHEL Hardwar
Stator Slot - THDF 500 MW
http://g/Documents%20and%20Settings/buzzk/Local%20Settings/Temporary%20Internet%20Files/Local%20Settings/unzipped/0%20Revisions/Corp_Overview_May_2002.ppthttp://g/Documents%20and%20Settings/buzzk/Local%20Settings/Temporary%20Internet%20Files/Local%20Settings/unzipped/0%20Revisions/Corp_Overview_May_2002.ppt -
7/31/2019 GENERATOR Mech Construction Original
9/50
BHEL Hardwar
210/235 MW THW Generator
http://g/Documents%20and%20Settings/buzzk/Local%20Settings/Temporary%20Internet%20Files/Local%20Settings/unzipped/0%20Revisions/Corp_Overview_May_2002.ppthttp://g/Documents%20and%20Settings/buzzk/Local%20Settings/Temporary%20Internet%20Files/Local%20Settings/unzipped/0%20Revisions/Corp_Overview_May_2002.ppt -
7/31/2019 GENERATOR Mech Construction Original
10/50
BHEL Hardwar
Capability of Generator Modules
DESIGN VARIANT GENERATOR MODULE OUTPUT RANGE
TARI 93/38 75-92 MWAIR COOLED TARI 108/36 100-120 MW
TARI 108/41 120-140 MWTARI 108/46 140-170 MWTHRI 93/38 120-150 MWTHRI 108/39 210 MW
HYDROGEN COOLED THRI 108/44 200-260 MWTHRI 108/44 B 260-275 MWTHRI 108/55 350 MWTHW-200-2 UPTO 200 MW
HYDROGEN/WATER THW-210-2 200-219 MWCOOLED THW-235-2 220-237 MW
THDF 115/59 500-585 MWTHDF 115/55 500 MW(new)
http://g/Documents%20and%20Settings/buzzk/Local%20Settings/Temporary%20Internet%20Files/Local%20Settings/unzipped/0%20Revisions/Corp_Overview_May_2002.ppthttp://g/Documents%20and%20Settings/buzzk/Local%20Settings/Temporary%20Internet%20Files/Local%20Settings/unzipped/0%20Revisions/Corp_Overview_May_2002.ppt -
7/31/2019 GENERATOR Mech Construction Original
11/50
BHEL Hardwar
Capability of Generator Modules
125/67
800
http://g/Documents%20and%20Settings/buzzk/Local%20Settings/Temporary%20Internet%20Files/Local%20Settings/unzipped/0%20Revisions/Corp_Overview_May_2002.ppthttp://g/Documents%20and%20Settings/buzzk/Local%20Settings/Temporary%20Internet%20Files/Local%20Settings/unzipped/0%20Revisions/Corp_Overview_May_2002.ppt -
7/31/2019 GENERATOR Mech Construction Original
12/50
BHEL Hardwar
Library of Designs
80 MW 1000 MW
AIR COOLED
170 MW
HYDROGEN COOLED
350 MW
WATER COOLED STATOR
1000 MW
660 MW
DESIRED MW CAPACITIES
http://g/Documents%20and%20Settings/buzzk/Local%20Settings/Temporary%20Internet%20Files/Local%20Settings/unzipped/0%20Revisions/Corp_Overview_May_2002.ppthttp://g/Documents%20and%20Settings/buzzk/Local%20Settings/Temporary%20Internet%20Files/Local%20Settings/unzipped/0%20Revisions/Corp_Overview_May_2002.ppt -
7/31/2019 GENERATOR Mech Construction Original
13/50
BHEL Hardwar
THRI Generators - Design features
DIRECT HYDROGEN COOLING OF STATOR CORE AND ROTORWINDING
INDIRECT COOLING OF STATOR WINDING
EXPLOSION PROOF SINGLE PIECE STATOR FRAME
END SHIELD MOUNTED BEARINGS
VPI INSULATION SYSTEM
TOP RIPPLE SPRINGS IN STATOR SLOTS TO CONTAIN BAR
BOUNCING FORCES COLD GAS TEMPERATURE CONTROL VALVE TO MAINTAIN
COLD GAS TEMPERATURE CONSTANT
RING TYPE SHAFT SEALS
STATIC/BRUSHLESS EXCITATION SYSTEM
http://g/Documents%20and%20Settings/buzzk/Local%20Settings/Temporary%20Internet%20Files/Local%20Settings/unzipped/0%20Revisions/Corp_Overview_May_2002.ppthttp://g/Documents%20and%20Settings/buzzk/Local%20Settings/Temporary%20Internet%20Files/Local%20Settings/unzipped/0%20Revisions/Corp_Overview_May_2002.ppt -
7/31/2019 GENERATOR Mech Construction Original
14/50
BHEL Hardwar
THDF Generators - Design features
DIRECT WATER COOLING OF STATOR WINDING ANDDIRECT AXIAL HYDROGEN COOLING OF ROTOR WINDING
OPTIMALLY DESIGNED LEAF SPRING SUPPORT FOR CORE
END SHIELD MOUNTED BEARINGS
VPI INSULATION SYSTEM
MASSIVE SUPPORT RING FOR STATOR WINDING OVERHANGTO ABSORB SHORT CIRCUIT FORCES
SIDE AND TOP RIPPLE SPRINGS IN STATOR SLOTS TOCONTAIN BAR BOUNCING FORCES
5 STAGE AXIAL COMPRESSOR AND VERTICAL HYDROGENCOOLERS ON TURBINE END
COLD GAS AND PRIMARY WATER TEMPERATURE CONTROL
VALVES TO MAINTAIN AVERAGE INLET COOLING MEDIUMTEMPERATURES CONSTANT
DOUBLE FLOW RING TYPE SHAFT SEALS
BRUSHLESS EXCITATION SYSTEM
http://g/Documents%20and%20Settings/buzzk/Local%20Settings/Temporary%20Internet%20Files/Local%20Settings/unzipped/0%20Revisions/Corp_Overview_May_2002.ppthttp://g/Documents%20and%20Settings/buzzk/Local%20Settings/Temporary%20Internet%20Files/Local%20Settings/unzipped/0%20Revisions/Corp_Overview_May_2002.ppt -
7/31/2019 GENERATOR Mech Construction Original
15/50
BHEL Hardwar
TARI Generators - Design features
# DIRECT COOLING OF STATOR CORE AND ROTOR WINDING# INDIRECT COOLING OF STATOR WINDING
# HORIZONTALLY SPLIT CASING DESIGN FOR STATOR# VERTICALLY SIDE MOUNTED COOLERS IN A SEPARATE
HOUSING# VPI INSULATION SYSTEM# SEPARATELY ASSEMBLED STATOR CORE AND WINDING
FOR REDUCING THE MANUFACTURING CYCLE# STATIC/BRUSHLESS EXCITATION SYSTEM
http://g/Documents%20and%20Settings/buzzk/Local%20Settings/Temporary%20Internet%20Files/Local%20Settings/unzipped/0%20Revisions/Corp_Overview_May_2002.ppthttp://g/Documents%20and%20Settings/buzzk/Local%20Settings/Temporary%20Internet%20Files/Local%20Settings/unzipped/0%20Revisions/Corp_Overview_May_2002.ppt -
7/31/2019 GENERATOR Mech Construction Original
16/50
BHEL Hardwar
500 MW Generator on test bed
http://g/Documents%20and%20Settings/buzzk/Local%20Settings/Temporary%20Internet%20Files/Local%20Settings/unzipped/0%20Revisions/Corp_Overview_May_2002.ppthttp://g/Documents%20and%20Settings/buzzk/Local%20Settings/Temporary%20Internet%20Files/Local%20Settings/unzipped/0%20Revisions/Corp_Overview_May_2002.ppt -
7/31/2019 GENERATOR Mech Construction Original
17/50
BHEL Hardwar
Gas Turbine Generator-Faridabad
http://g/Documents%20and%20Settings/buzzk/Local%20Settings/Temporary%20Internet%20Files/Local%20Settings/unzipped/0%20Revisions/Corp_Overview_May_2002.ppthttp://g/Documents%20and%20Settings/buzzk/Local%20Settings/Temporary%20Internet%20Files/Local%20Settings/unzipped/0%20Revisions/Corp_Overview_May_2002.ppt -
7/31/2019 GENERATOR Mech Construction Original
18/50
BHEL Hardwar
THRI 108/39 Stator with End Shield & Terminal box
http://g/Documents%20and%20Settings/buzzk/Local%20Settings/Temporary%20Internet%20Files/Local%20Settings/unzipped/0%20Revisions/Corp_Overview_May_2002.ppthttp://g/Documents%20and%20Settings/buzzk/Local%20Settings/Temporary%20Internet%20Files/Local%20Settings/unzipped/0%20Revisions/Corp_Overview_May_2002.ppt -
7/31/2019 GENERATOR Mech Construction Original
19/50
BHEL Hardwar
Main Parts of Turbogenerator
1. Stator - Stator Frame (Fabrication & Machining)
2. Core Assembly - Stator Core, Core Suspension Arrangement3. End Shield
4. Stator Winding Assembly - Stator Winding , Winding Assembly,
Connecting Bus bar
5. Rotor - Rotor Shaft, Rotor Wedges, Rotor Coils, Wound Rotor,
Rotor Assembly
6. Completing Assembly - Bearing Assembly, Shaft Seal Assembly,
Oil Catchers, Insert Cover etc
7. Exciter
8. Auxiliary System
http://g/Documents%20and%20Settings/buzzk/Local%20Settings/Temporary%20Internet%20Files/Local%20Settings/unzipped/0%20Revisions/Corp_Overview_May_2002.ppthttp://g/Documents%20and%20Settings/buzzk/Local%20Settings/Temporary%20Internet%20Files/Local%20Settings/unzipped/0%20Revisions/Corp_Overview_May_2002.ppt -
7/31/2019 GENERATOR Mech Construction Original
20/50
BHEL Hardwar
Main Parts of Turbogenerator
Stator
Stator Core
End Shield
Rotor
Wdg Overhang
Bearing
Shaft Seal
Terminal Bushing
Oil Catcher
Cooler
Rotor fan
Insert
Cover
http://g/Documents%20and%20Settings/buzzk/Local%20Settings/Temporary%20Internet%20Files/Local%20Settings/unzipped/0%20Revisions/Corp_Overview_May_2002.ppthttp://g/Documents%20and%20Settings/buzzk/Local%20Settings/Temporary%20Internet%20Files/Local%20Settings/unzipped/0%20Revisions/Corp_Overview_May_2002.ppt -
7/31/2019 GENERATOR Mech Construction Original
21/50
BHEL Hardwar
Main Parts of Turbogenerator
Coolers
Terminal bushing
Foundation
http://g/Documents%20and%20Settings/buzzk/Local%20Settings/Temporary%20Internet%20Files/Local%20Settings/unzipped/0%20Revisions/Corp_Overview_May_2002.ppthttp://g/Documents%20and%20Settings/buzzk/Local%20Settings/Temporary%20Internet%20Files/Local%20Settings/unzipped/0%20Revisions/Corp_Overview_May_2002.ppt -
7/31/2019 GENERATOR Mech Construction Original
22/50
BHEL Hardwar
Ventilation Circuit in THRI TG
http://g/Documents%20and%20Settings/buzzk/Local%20Settings/Temporary%20Internet%20Files/Local%20Settings/unzipped/0%20Revisions/Corp_Overview_May_2002.ppthttp://g/Documents%20and%20Settings/buzzk/Local%20Settings/Temporary%20Internet%20Files/Local%20Settings/unzipped/0%20Revisions/Corp_Overview_May_2002.ppt -
7/31/2019 GENERATOR Mech Construction Original
23/50
BHEL Hardwar
Ventilation Circuit in THRI TG
http://g/Documents%20and%20Settings/buzzk/Local%20Settings/Temporary%20Internet%20Files/Local%20Settings/unzipped/0%20Revisions/Corp_Overview_May_2002.ppthttp://g/Documents%20and%20Settings/buzzk/Local%20Settings/Temporary%20Internet%20Files/Local%20Settings/unzipped/0%20Revisions/Corp_Overview_May_2002.ppt -
7/31/2019 GENERATOR Mech Construction Original
24/50
BHEL Hardwar
Stator Frame
Rigid fabricated cylindrical frame
Withstands weight of core & wdg, forces & torques during operationNatural frequency away from exciting frequencies
Provision for H2/CO2 filling
Provision for temp measurements
Foot plates for supporting on foundation
provision for H2 coolers
St t F (500 MW)
http://g/Documents%20and%20Settings/buzzk/Local%20Settings/Temporary%20Internet%20Files/Local%20Settings/unzipped/0%20Revisions/Corp_Overview_May_2002.ppthttp://g/Documents%20and%20Settings/buzzk/Local%20Settings/Temporary%20Internet%20Files/Local%20Settings/unzipped/0%20Revisions/Corp_Overview_May_2002.ppt -
7/31/2019 GENERATOR Mech Construction Original
25/50
BHEL Hardwar
Stator Frame (500 MW)
http://g/Documents%20and%20Settings/buzzk/Local%20Settings/Temporary%20Internet%20Files/Local%20Settings/unzipped/0%20Revisions/Corp_Overview_May_2002.ppthttp://g/Documents%20and%20Settings/buzzk/Local%20Settings/Temporary%20Internet%20Files/Local%20Settings/unzipped/0%20Revisions/Corp_Overview_May_2002.ppt -
7/31/2019 GENERATOR Mech Construction Original
26/50
BHEL Hardwar
Stator Frame (Fabrication & Machining)
http://g/Documents%20and%20Settings/buzzk/Local%20Settings/Temporary%20Internet%20Files/Local%20Settings/unzipped/0%20Revisions/Corp_Overview_May_2002.ppthttp://g/Documents%20and%20Settings/buzzk/Local%20Settings/Temporary%20Internet%20Files/Local%20Settings/unzipped/0%20Revisions/Corp_Overview_May_2002.ppt -
7/31/2019 GENERATOR Mech Construction Original
27/50
BHEL Hardwar
TURBINE SIDE ENDSHIELD EXCITER SIDE END
SHIELD
STATOR
TEST PRESSURE= 10 BAR FOR 30 MIN
Hydraulic/Pneumatic testing of Stator
S C G
http://g/Documents%20and%20Settings/buzzk/Local%20Settings/Temporary%20Internet%20Files/Local%20Settings/unzipped/0%20Revisions/Corp_Overview_May_2002.ppthttp://g/Documents%20and%20Settings/buzzk/Local%20Settings/Temporary%20Internet%20Files/Local%20Settings/unzipped/0%20Revisions/Corp_Overview_May_2002.ppt -
7/31/2019 GENERATOR Mech Construction Original
28/50
BHEL Hardwar
Stator Frame (Air Cooled TG)
S C
http://g/Documents%20and%20Settings/buzzk/Local%20Settings/Temporary%20Internet%20Files/Local%20Settings/unzipped/0%20Revisions/Corp_Overview_May_2002.ppthttp://g/Documents%20and%20Settings/buzzk/Local%20Settings/Temporary%20Internet%20Files/Local%20Settings/unzipped/0%20Revisions/Corp_Overview_May_2002.ppt -
7/31/2019 GENERATOR Mech Construction Original
29/50
BHEL Hardwar
Stator Core
Made up of punched segments of thin sheets of ETS
Punchings coated by insulating varnish
Vent segments at designed intervals for flow of cooling gas
Compressed with tension bolts, pressure plate and clamping fingers
Stepped arrangement at the end for reduction in eddy current losses
C S i THRI/THW TG
http://g/Documents%20and%20Settings/buzzk/Local%20Settings/Temporary%20Internet%20Files/Local%20Settings/unzipped/0%20Revisions/Corp_Overview_May_2002.ppthttp://g/Documents%20and%20Settings/buzzk/Local%20Settings/Temporary%20Internet%20Files/Local%20Settings/unzipped/0%20Revisions/Corp_Overview_May_2002.ppt -
7/31/2019 GENERATOR Mech Construction Original
30/50
BHEL Hardwar
Core Suspension - THRI/THW TG
C S i 500 MW
http://g/Documents%20and%20Settings/buzzk/Local%20Settings/Temporary%20Internet%20Files/Local%20Settings/unzipped/0%20Revisions/Corp_Overview_May_2002.ppthttp://g/Documents%20and%20Settings/buzzk/Local%20Settings/Temporary%20Internet%20Files/Local%20Settings/unzipped/0%20Revisions/Corp_Overview_May_2002.ppt -
7/31/2019 GENERATOR Mech Construction Original
31/50
BHEL Hardwar
Core Suspension - 500 MW
C S i Ai C l d TG
http://g/Documents%20and%20Settings/buzzk/Local%20Settings/Temporary%20Internet%20Files/Local%20Settings/unzipped/0%20Revisions/Corp_Overview_May_2002.ppthttp://g/Documents%20and%20Settings/buzzk/Local%20Settings/Temporary%20Internet%20Files/Local%20Settings/unzipped/0%20Revisions/Corp_Overview_May_2002.ppt -
7/31/2019 GENERATOR Mech Construction Original
32/50
BHEL Hardwar
Core Suspension - Air Cooled TG
Core End Plate
Core Housing
Location forSpring
Core
E d Shi ld
http://g/Documents%20and%20Settings/buzzk/Local%20Settings/Temporary%20Internet%20Files/Local%20Settings/unzipped/0%20Revisions/Corp_Overview_May_2002.ppthttp://g/Documents%20and%20Settings/buzzk/Local%20Settings/Temporary%20Internet%20Files/Local%20Settings/unzipped/0%20Revisions/Corp_Overview_May_2002.ppt -
7/31/2019 GENERATOR Mech Construction Original
33/50
BHEL Hardwar
End Shield
Closes both ends of Stator Frame
Fabricated rigid box type structure in two parts Supports and houses bearings
Provision for mounting Shaft seal body, Oil catchers, etc
Provision for supply of Bearing Oil, Seal oil, Thrust oil and its drain
E d Shi ld
http://g/Documents%20and%20Settings/buzzk/Local%20Settings/Temporary%20Internet%20Files/Local%20Settings/unzipped/0%20Revisions/Corp_Overview_May_2002.ppthttp://g/Documents%20and%20Settings/buzzk/Local%20Settings/Temporary%20Internet%20Files/Local%20Settings/unzipped/0%20Revisions/Corp_Overview_May_2002.ppt -
7/31/2019 GENERATOR Mech Construction Original
34/50
BHEL Hardwar
End Shield - THRI TG
E d Shi ld (E it id 500 MW)
http://g/Documents%20and%20Settings/buzzk/Local%20Settings/Temporary%20Internet%20Files/Local%20Settings/unzipped/0%20Revisions/Corp_Overview_May_2002.ppthttp://g/Documents%20and%20Settings/buzzk/Local%20Settings/Temporary%20Internet%20Files/Local%20Settings/unzipped/0%20Revisions/Corp_Overview_May_2002.ppt -
7/31/2019 GENERATOR Mech Construction Original
35/50
BHEL Hardwar
End Shield (Exciter side 500 MW)
E d Shi ld (T bi id 500 MW)
http://g/Documents%20and%20Settings/buzzk/Local%20Settings/Temporary%20Internet%20Files/Local%20Settings/unzipped/0%20Revisions/Corp_Overview_May_2002.ppthttp://g/Documents%20and%20Settings/buzzk/Local%20Settings/Temporary%20Internet%20Files/Local%20Settings/unzipped/0%20Revisions/Corp_Overview_May_2002.ppt -
7/31/2019 GENERATOR Mech Construction Original
36/50
BHEL Hardwar
End Shield (Turbine side 500 MW)
B i A mbl
http://g/Documents%20and%20Settings/buzzk/Local%20Settings/Temporary%20Internet%20Files/Local%20Settings/unzipped/0%20Revisions/Corp_Overview_May_2002.ppthttp://g/Documents%20and%20Settings/buzzk/Local%20Settings/Temporary%20Internet%20Files/Local%20Settings/unzipped/0%20Revisions/Corp_Overview_May_2002.ppt -
7/31/2019 GENERATOR Mech Construction Original
37/50
BHEL Hardwar
Bearing Assembly
Terminal Bushing Box 500 MW
http://g/Documents%20and%20Settings/buzzk/Local%20Settings/Temporary%20Internet%20Files/Local%20Settings/unzipped/0%20Revisions/Corp_Overview_May_2002.ppthttp://g/Documents%20and%20Settings/buzzk/Local%20Settings/Temporary%20Internet%20Files/Local%20Settings/unzipped/0%20Revisions/Corp_Overview_May_2002.ppt -
7/31/2019 GENERATOR Mech Construction Original
38/50
BHEL Hardwar
Terminal Bushing Box 500 MW
New dev Total Impregnated generator
http://g/Documents%20and%20Settings/buzzk/Local%20Settings/Temporary%20Internet%20Files/Local%20Settings/unzipped/0%20Revisions/Corp_Overview_May_2002.ppthttp://g/Documents%20and%20Settings/buzzk/Local%20Settings/Temporary%20Internet%20Files/Local%20Settings/unzipped/0%20Revisions/Corp_Overview_May_2002.ppt -
7/31/2019 GENERATOR Mech Construction Original
39/50
BHEL Hardwar
A VOID FREE HIGH VOLTAGE INSULATION ALON G THE ENTIRE LENGTH OF THE BAR
A MECHANICALY FIRM BOUND BETWEEN ALL WINDING
COMPONENTS AND THE INNER FRAME AND CORE BETTER SUITABILITY AGAINST THERMAL STRESSES DURING OPERATION
BETTER HEAT TRANSFER
LESS INSULATION THICKNESS - SPACE OPTIMIZED
MACHINE LIFE IMPROVES
INCREASE IN GENERATOR EFFICIENCY
INCREASE IN SHORT CIRCUIT RATIO
INCREASE IN LINE CHARGING CAPABILITY
REDUCTION IN SPARES INVENTORY - STATOR BARS AND STATOR SLOT WEDGES ARENO MORE REQUIRED AS SPARES
REDUCTION IN OVERHAULING REQUIREMENTS :
STATOR WEDGE TIGHTNESS CHECKING NOT REQUIRED
LOOSENING OF CORE AND FASTNERS REDUCED
GLUE INJECTION NOT REQUIRED
ROTOR WITHDRAWL DURING INITIAL INSPECTION NOT REQUIRED
New dev - Total Impregnated generator
http://g/Documents%20and%20Settings/buzzk/Local%20Settings/Temporary%20Internet%20Files/Local%20Settings/unzipped/0%20Revisions/Corp_Overview_May_2002.ppthttp://g/Documents%20and%20Settings/buzzk/Local%20Settings/Temporary%20Internet%20Files/Local%20Settings/unzipped/0%20Revisions/Corp_Overview_May_2002.ppt -
7/31/2019 GENERATOR Mech Construction Original
40/50
BHEL Hardwar
http://g/Documents%20and%20Settings/buzzk/Local%20Settings/Temporary%20Internet%20Files/Local%20Settings/unzipped/0%20Revisions/Corp_Overview_May_2002.ppthttp://g/Documents%20and%20Settings/buzzk/Local%20Settings/Temporary%20Internet%20Files/Local%20Settings/unzipped/0%20Revisions/Corp_Overview_May_2002.ppt -
7/31/2019 GENERATOR Mech Construction Original
41/50
BHEL Hardwar
http://g/Documents%20and%20Settings/buzzk/Local%20Settings/Temporary%20Internet%20Files/Local%20Settings/unzipped/0%20Revisions/Corp_Overview_May_2002.ppthttp://g/Documents%20and%20Settings/buzzk/Local%20Settings/Temporary%20Internet%20Files/Local%20Settings/unzipped/0%20Revisions/Corp_Overview_May_2002.ppt -
7/31/2019 GENERATOR Mech Construction Original
42/50
BHEL Hardwar
C I ti i t St t
http://g/Documents%20and%20Settings/buzzk/Local%20Settings/Temporary%20Internet%20Files/Local%20Settings/unzipped/0%20Revisions/Corp_Overview_May_2002.ppthttp://g/Documents%20and%20Settings/buzzk/Local%20Settings/Temporary%20Internet%20Files/Local%20Settings/unzipped/0%20Revisions/Corp_Overview_May_2002.ppt -
7/31/2019 GENERATOR Mech Construction Original
43/50
BHEL Hardwar
Core Insertion into Stator
Activities :-
Measurement of dimensions for alignment of Stator & Core
Welding of Springs into Stator
Placement of Impreg. Wound Core on C-Beam for deflection
Placement of Wound Core on C-Beam with packingInsertion of Stator Frame over Core with the help of Crane
Alignment of Stator with reference to Core
Welding of Bush with Spring and Core Housing
Rechecking of alignment dimensions
M Of C t lli di i
http://g/Documents%20and%20Settings/buzzk/Local%20Settings/Temporary%20Internet%20Files/Local%20Settings/unzipped/0%20Revisions/Corp_Overview_May_2002.ppthttp://g/Documents%20and%20Settings/buzzk/Local%20Settings/Temporary%20Internet%20Files/Local%20Settings/unzipped/0%20Revisions/Corp_Overview_May_2002.ppt -
7/31/2019 GENERATOR Mech Construction Original
44/50
BHEL Hardwar
Meas. Of Controlling dimensions
Stator
W ldi f S i
http://g/Documents%20and%20Settings/buzzk/Local%20Settings/Temporary%20Internet%20Files/Local%20Settings/unzipped/0%20Revisions/Corp_Overview_May_2002.ppthttp://g/Documents%20and%20Settings/buzzk/Local%20Settings/Temporary%20Internet%20Files/Local%20Settings/unzipped/0%20Revisions/Corp_Overview_May_2002.ppt -
7/31/2019 GENERATOR Mech Construction Original
45/50
BHEL Hardwar
Welding of Springs
Supports in the middle of Spring L-Supports at the end of Spring
W ldi f S i
http://g/Documents%20and%20Settings/buzzk/Local%20Settings/Temporary%20Internet%20Files/Local%20Settings/unzipped/0%20Revisions/Corp_Overview_May_2002.ppthttp://g/Documents%20and%20Settings/buzzk/Local%20Settings/Temporary%20Internet%20Files/Local%20Settings/unzipped/0%20Revisions/Corp_Overview_May_2002.ppt -
7/31/2019 GENERATOR Mech Construction Original
46/50
BHEL Hardwar
Welding of Springs
Supports for bottomSpring
Pl t f W d C C B
http://g/Documents%20and%20Settings/buzzk/Local%20Settings/Temporary%20Internet%20Files/Local%20Settings/unzipped/0%20Revisions/Corp_Overview_May_2002.ppthttp://g/Documents%20and%20Settings/buzzk/Local%20Settings/Temporary%20Internet%20Files/Local%20Settings/unzipped/0%20Revisions/Corp_Overview_May_2002.ppt -
7/31/2019 GENERATOR Mech Construction Original
47/50
BHEL Hardwar
Placement of Wound Core on C-Beam
Wound Core being placed on C-Beam Wound Core on C-Beam
I ti f St t C
http://g/Documents%20and%20Settings/buzzk/Local%20Settings/Temporary%20Internet%20Files/Local%20Settings/unzipped/0%20Revisions/Corp_Overview_May_2002.ppthttp://g/Documents%20and%20Settings/buzzk/Local%20Settings/Temporary%20Internet%20Files/Local%20Settings/unzipped/0%20Revisions/Corp_Overview_May_2002.ppt -
7/31/2019 GENERATOR Mech Construction Original
48/50
BHEL Hardwar
Insertion of Stator over Core
Welding of Bush with Spring & Core Housing
http://g/Documents%20and%20Settings/buzzk/Local%20Settings/Temporary%20Internet%20Files/Local%20Settings/unzipped/0%20Revisions/Corp_Overview_May_2002.ppthttp://g/Documents%20and%20Settings/buzzk/Local%20Settings/Temporary%20Internet%20Files/Local%20Settings/unzipped/0%20Revisions/Corp_Overview_May_2002.ppt -
7/31/2019 GENERATOR Mech Construction Original
49/50
BHEL Hardwar
Welding of Bush with Spring & Core Housing
AlignmentBolt Bush in position Sealing during Welding
http://g/Documents%20and%20Settings/buzzk/Local%20Settings/Temporary%20Internet%20Files/Local%20Settings/unzipped/0%20Revisions/Corp_Overview_May_2002.ppthttp://g/Documents%20and%20Settings/buzzk/Local%20Settings/Temporary%20Internet%20Files/Local%20Settings/unzipped/0%20Revisions/Corp_Overview_May_2002.ppt -
7/31/2019 GENERATOR Mech Construction Original
50/50
THANK YOU
END
http://g/Documents%20and%20Settings/buzzk/Local%20Settings/Temporary%20Internet%20Files/Local%20Settings/unzipped/0%20Revisions/Corp_Overview_May_2002.ppt