transformer design

Custom Magnetics of California Inc. (CMI) was founded in 2013 by Harbhajan Mand and Chris Cimino and is located in Chino, California. CMI designs and builds specialty power transformers for critical applications, serving data center power systems and the US Navy. Its quality system is certified to ISO2001:2015 with CSA files up to 2500 kVA and 13.8 kV, and it has 11 years of experience with a team of 35 experts.

airborne and structure-borne noise testingbasic impulse testing up to 200 kVmachining manufacturingpartial discharge testingroutine production testingtesting at frequencies from 40 Hz to 600 Hzthermal managementtransformer manufacturingvacuum impregnation

Dynapower designs and manufactures energy storage and power conversion systems, including inverters, DC converters, rectifiers, and custom transformers. Since 1963, the company has deployed 45,000 power conversion units and delivered 2 gigawatts of clean energy systems globally across five continents. Dynapower serves markets including hydrogen, e-mobility, energy storage, data centers, solar plus storage, microgrids, metal finishing, copper foil, mining, steel, chlor-alkali production, and government defense.

controls upgradescustom-engineered solutionsDC converter manufacturingfield serviceinverter manufacturingpower conversionpreventative maintenancerectifier manufacturingrepairs and refurbishmentstraining

Foster Transformer Company manufactures standard and custom transformers for commercial and industrial use, designed and crafted in the USA. Founded by Arnot Foster over 80 years ago, the company designs and produces transformers and serves as an extension of customers' engineering teams, offering UL Listed and Recognized parts and custom designs.

custom coil windingcustom transformer manufacturinginduction heating / heat sealing transformer manufacturingstandard transformer manufacturing