500 MW TURBO GENERATOR BHARAT HEAVY ELECTRICAL LIMITED UNDER GUIDANCE OF Mr.J.K.PUNDIR
500 MW TURBO GENERATOR
BHARAT HEAVY ELECTRICAL LIMITED
UNDER GUIDANCE OF Mr.J.K.PUNDIR
Turbo Generator• Def: It is a generator consisting of
steam or water turbines coupled to to an electric generator for production of electric power.
•EXCITER STATOR ROTOR WINDING
COREFRAME
It has following constructional features:
• Permanent magnets (Pilot exciter)
• Armature rotor (Main Exciter)
• Rectifiers (diodes)• Aluminum alloy
heat sink• Coupling bolts•
EXCITER
• It has the following constructional
features:– Made of 2 halves– Ventilation ducts– 3 man holes on both
sides– Water head– Bus– End Shields– Gear Terminal Box–
STATORFRAME
STATORCORE
– Built of Laminations (0.5 mm)– Staggered Layer– Hydraulic pressed and heated– Has cooling ducts in each part– Punching done to – accomodate windings–
–
It has the following constructional features:
ROTOR
• It has the following constructional features:
– Made after forging from vaccum cast steel ingot
– Longitudnal slots– Transverse Slots– Rotor wedges as damper winding– Cooling slots
• Process of making winding:– Conductors of definite
length– Conductors: hollow or
without cavity.– Stacked together– Silicon strips between the
conductors– Heated and insulation is
done– Insulation taken off from
ends– Transposition done at
proper distances–
WINDINGS
THANKTHANK YOUYOU!!!!