They’re widely accessible, easy to operate, and (depending on the model and brand) can be highly intuitive. Variable voltage transformers are honestly the best choice for professionals and hobbyists who desire a more versatile option for changing the ratio between primary and secondary coils. This is why a voltage tolerance limit-from half a volt to a handful of volts-is maintained. This lessens the risk of intense fluctuation or continual voltage hunting conditions. When the incoming line voltage changes, it’s best that the secondary voltage that serves the load remains regulated. These provide users with an efficient, trouble-free way to change voltage in a short amount of time.Ĭompensation is one of the main reasons why people would want to change the secondary voltage so quickly. Variable Voltage Transformers (also known as Adjustable Voltage Transformers) are transformers that can produce differing levels of output voltage from just one input voltage. In this section, we’re covering variable voltage transformers-also known as “variacs.” What are Variable Voltage Transformers? There are a dozen different types of transformers out there each one designed to fulfill unique or specific requirements. They typically have two or more wire coils and two circuits-a primary one and a secondary one. In the world of electric circuits and electric engineering projects, transformers are defined as passive electrical devices capable of transferring energy from one circuit to another circuit (or even to multiple other circuits).
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