TMC produces dry type motor starting auto-transformers to suit all motor capacities.
Motor Starting Transformer Characteristics
Motor starting transformers are auto transformers with tappings in the range of 50% to 70% of rated voltage (customer specified).
The motor to be started is switched through the auto transformer in such a way as to start the motor at a lower voltage to minimise starting load and the associated supply voltage drop. This method is often referred to as the "Korndorfer Starter" method.
The transformers can be supplied in enclosures to various degrees of protection, or open (un-enclosed) if preferred. Enclosure ratings of IP21 to IP33 are common and protection up to IP66 is also available for extreme conditions and flameproof applications.
Enclosures are fitted with sealed marshalling boxes for temperature and performance monitoring equipment. Enclosures can be fitted with interlocked doors and limit switches to provide additional safety.
TMC dry type transformers can be supplied with fans to increase the rated capacity (kVA). Forced directed air circulation permits a continuous power increase of up to 35% above the rated capacity.
Fans can be used to economically provide extra capacity for overload conditions such as cyclic load peaks and traction loads.
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TMC Australia | Transformer Design & Manufacture
TMC has been a leading enterprise in the field of transformer design and manufacture since 1937.
A wholly owned Australian company with its head office in Victoria, TMC excels at providing high quality induction equipment to the electrical power industry, with an emphasis on meeting exacting specifications and standards, while minimising cost.
TMC is fully accredited to the international quality standard ISO9001, and continues to build on a tradition of product excellence and customer focus.
Research and Development
The TMC Research and Development department developed TMC’s own cast resin transformer technology which has gained wide acceptance in the mining and building construction industries.
TMC’s cast resin transformers are exported to the Middle East and Asian markets and TMC casting technology is licensed to companies in Asia.
The TMC Research and Development department routinely studies cast resin electro-mechanical phenomena providing TMC with the best possible understanding of all aspects of cast resin transformer technology
TMC now offers a comprehensive range of technology products and services.