Variable Voltage Transformer
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variable voltage transformer
Our Variable Transformers provide a simple rugged method of controlling electrical voltage current and power. They take in utility line voltage and provide continuously adjustable output voltage. A wide range of sizes drives enclosures and controls is offered.
Standard fixed ratio transformers have output terminals connected to a particular turn of the coil to provide a given output voltage. Instead of a fixed connection to a particular turn of the coil Tempco's Variable Transformers utilize a brush riding on a commutator formed as part of the transformer turns. The user can select any output turn ratio and thereby vary the output voltage. Because they are autotransformers one winding acts as both the primary and secondary coils of the transformer