Auto Transformers

Variac Auto Transformers are continuously variable voltage auto transformer, having a movable carbon tip, fixed to a brush-arm sliding on a silver plated commutator. Rotation of the brush-arm by either manual or motor drive, delivers-an output voltage from zero to or above line voltage.

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Topics

Transformers
Voltage Transformer
Motor Rotation
Voltage
Commutator
Line
Motor
Drives