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VARIABLE AUTO TRANSFORMERS

A FEW OF THE APPLICATIONS ARE
• Control of AC voltage and current in testing and developing work.
• Over voltage and under voltage tests.
• New or faulty electrical equipment – appliance testing. Gradual application of voltage to detect for any high fault current.
• Lighting control in theatres, auditoriums, photographic studios, dark rooms, hotels, restaurants, rearing houses, etc.
(Not recommended for discharge on hot-cathode fluorescent lighting).
• DC voltage and current control of rectifiers, such as rectifiers for Electroplating, Electrowinning, Anodising, Precious Metal Recovery, Hydrogenation,
Cathodic Protection, Battery plate forming.
• Voltage control in DC power supplies and constant current supplies.
• Regulated Output voltage control for Motor Servo type AC Stabilisers and Automatic Stabilisers
• Voltage control for meter calibration, phase-angle control in the calibration of Watt meters and Power factor meters.
• Motor speed control.
• Control of electric heaters, furnaces and ovens in laboratory, pilot plant and production lines.
• Current control for testing of circuit breakers, relays, current transformers, etc.
• Testing of magnetic materials.
 

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