The core is of high quality silicon steel (Si-Fe) coated with carlite procured from internationally reputed brands, having low loss and formed into wound cores of rectangular shapes or cut-to-length stacked form with step-lap construction, bolted together to the frames firmly to prevent vibration and noise. The core is designed to ensure permanency of the core loss with continuous working of the transformers. Suitable provisions are made in the bottom core clamp / bottom plate of the transformers to arrest the movement of active part.All assembled cores are tested for pre no load losses before proceeding for core coil assembly process.

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