3A Variac Variable AC Power Transformer 0~130 VAC
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Autotransformer Popular Q&A
Q: How does an autotransformer work?
A: An autotransformer is different from a "normal" transformer in that it uses the same winding for both input and output, with a tap somewhere along the winding f... Read More »
Q: What is the applications of autotransformer?
A: power distribution. Audio. Railway. Read More »
Q: What is the use of the autotransformer?
A: Its a cheap, single winding transformer. Its common in uses where isolation is not required and voltage fluctuations are not critical. Most applications require... Read More »
Q: Why is an Autotransformer called an Autotransformer?
A: The secondary and Primary winding of an auto transformer are both contained in one continuous winding. Therefore it`s excitation comes from within and thus the ... Read More »
Q: What is the equivalent circuit of an autotransformer? Autotransfo...
A: The autotransformer is an electrical transformer with only one winding. The voltage source and the load are each connected to two taps. This creates a circuit w... Read More »