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Transformer Core Coil Assembly
Transformer Core Coil Assembly
Vilas Transcore offers transformer core coil assembly. The core assembly is vertically placed with the foot plate touching the ground. The top yoke of the core is removed.
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- The limbs of the core are tightly wrapped with cotton tape; cylinder made out of insulating press board/presspahn paper is wrapped on all the three limbs
- Low voltage coil is placed on the insulated core limbs; insulating block of specified thickness and number are placed both at the top and bottom of the LV coil
- Cylinder made out of corrugated paper or plain cylinder with oil ducts are provided over LV coil; HV coils are placed over the cylinder; gap between each section of HV coils including top and bottom clearances is maintained with the help of oil ducts, as per the design/drawings
- The top yoke is refilled; top core frame including core bolts and tie rods are fixed in position; primary and secondary windings are connected as per the requirements
- Phase barrier between HV phases are placed as per requirement; connections to the tapping switch or OLTC (if required) are made.
