500 Mw Turbo Generator

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Text of 500 Mw Turbo Generator

500 MW TURBO GENERATORBHARAT 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 WINDINGFRAME CORE

EXCITER

It has following constructional features: Permanent magnets (Pilot exciter) Armature rotor (Main Exciter) Rectifiers (diodes) Aluminum alloy heat sink

STATORFRAME It has the following constructional features: Made of 2 halves Ventilation ducts 3 man holes on both sides Water head Bus End Shields

STATORCOREIt has the following constructional features:

Built of Laminations (0 Staggered Layer Hydraulic pressed and Has cooling ducts in e Punching done to accomodate windings

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

WINDINGS 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

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