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A PRESENTATION ON SUMMER TRAINING AT B.H.E.L HARIDWAR
Submitted by :Sadan Sa danand and Si Singh ngh B.E. IV yr Roll no. -39 Branch Bra nch ± Ele Electr ctrica icall Engg. Engg.
CONTENTS COVERED
B.H.E.L . AN OVERVIEW
UNITS OF BHEL IN INDIA
ABOUT BHEL HARIDWAR PLANT
STUDY OF 500 MW TURBO GENERATOR
EXCITATION SYSTEM
B.H.E.L . AN OVERVIEW ´
BHEL·s first plant was set up in BHOPAL in 1960·s under Indo-Soviet agreement.
´
BHEL is the largest engineering and manufacturing enterprise in India.
´
It has been earning profits continuously since 1971-72.
´
The
wide network of BHEL has 14 manufacturing division, 150 project sites, eight service centers and 18 regional offices.
OF B.H.E.L IN MAKING EQUIPMENTS FOR POWER GENERATION %ag 100 90 80 70 60 50 40 30 20 10 0
53 32
15 %ag Hari
ar
t
rs
HEL
t Har
rt ar
an
BLOCK-1 (ELECTRICAL MACHINE BLOCK) EQUIPMENTS
CAPACIT Y
´
Turbo generators
´
100
´
Hydro generators
´
4 MW-250 MW
´
A.C. motors
´
220
´
D.C. motors
´
10
´
Excitation System
´
5
MW-1000 MW KW-10800 KW
KW-12000 KW
KW-13KW
DEVELOPED APPROACH OF ALTERNATOR Air-gap Stator slots Rotor slots Stator teeth Rotor teeth
Stator yoke Rotor yoke
8
MAIN PARTS OF 500 MW TURBOGENERATOR ´
STATOR
´
ROTOR
´
BEARINGS
´
EXCITATION SYSTEM
´
STATOR
Stator Frame
Stator
Stator Winding
Hydrogen
End Shields
Core
Coolers
´
ROTOR
Rotor Shaft
Rotor Winding
Insulation
Field Connections
BEARINGS ´
Bearing is a machine element which support another moving element ( journal). T YPES
1.Sliding contact type
OF BEARINGS 2.Rolling
contact type
EXCITATION SYSTEM ´
It is the power source that supplies the dc magnetizing current to the field windings of a synchronous generator thereby ultimately inducing ac voltage and current in the generator armature.
