What is OLTC in transformers and what is its function?
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Answer Posted / er. bhabani shankar behera
OLTC is on line tap changer.it in normally connected in hv
winding.becz in order to minimize the sparking during tap
changing.as current is less in hv winding a compared to lv
winding.it helps in changing no. of turns during loading
condition.in order to very the out put voltage as per desire.
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