Neeltran will do more than simply copy the original design. Transformer rewinding and repair work requires design engineers with a high level of experience. We have a full-time engineering staff that specializes in transformer and rectifier design. Our engineers consider and evaluate: winding design, mechanical clamping, insulation systems, harmonics, core-steel and environment.  Our retrofit units will be designed to out-perform your original units. Neeltran Inc. is completely equipped to handle all emergency and non-emergency repairs of transformers and power supplies. We repair ALL competitors units as well. For retro-fit/replacement units, we can visit your site to ensure exact measurements and fit.