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In an LT pole, the line voltage is 415V. How is it
converted to 230V into the house via the service cable?
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Answer Posted / a.y.naidu
actually transformer has two windings i.e primary and
secondary.primary is delta connected.secondary is star
connected.in delta 3 wires(3 ph) in star 4 wires(3 ph and
neutral).out come is
phase -phase--- 415V
phase -neutral--230V
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