500 mw turbo generator
TRANSCRIPT
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500 MW TURBO GENERATOR
BHARAT HEAVY ELECTRICAL LIMITED
UNDER GUIDANCE OF Mr.J.K.PUNDIR
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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
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It has following constructional features:
• Permanent magnets (Pilot exciter)
• Armature rotor (Main Exciter)
• Rectifiers (diodes)• Aluminum alloy heat
sink• Coupling bolts
EXCITER
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• 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
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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:
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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
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• 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
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THANK YOU!!