Application Specific Transformers
We make transformers as per specific requirements and some of standard applications are:
• Auto Transformers for auto transformer starter,
• High voltage transformers,
• Inverter Transformers,
• Battery Charger Transformers,
• High current transformers for load testing,
• Potential Transformers for metering and instruments
• Lighting transformer,
• Pulse transformers for power electronics
Control Transformers are used in switchgear and controlgear to supply power to control or auxiliary equipment not intended for direct connection to the main circuit. These transformers are specifically designed to provide control supply voltage for the control circuits of AC motor starters, i.e. Starter coils, timers, indicating lamps electronics protection relays etc.
Control Transformers for contractor applications have to Energize the coil and Maintain a contact for definite period of time. The initial energizing of the coil takes 5 to 40 mil seconds and requires 3 to 10 times the normal current. While calculating the VA rating of the Control transformer, this factor should be taken in to account.
BPS control transformers are available for single phase, two winding, with tapping of +/- 5% in input primary side and no tapings on secondary unless specially ordered for.
Control Transformers are two winding transformers with both windings made of copper. Insulating material used are class E unless otherwise specified. Power House transformers are made of using high quality materials.
Electrolytic grade super enamel wire with best insulations are used. Core material are CRGO EI or Strip cores.
Experienced hands with best machines for winding ensures best results with minimum size. Appropriate class of insulation materials are used. Transformers are impregnated in insulating varnish for long lasting performance. Input and out are terminated on Bakelite board with proper size of terminals.
Quality & Standard:
Power Control Transformers are made as per IS 12021 : 1987
A) Input supply Voltage, Tappings required,
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