In step down transformer (415/200V),mistakenly secondary
side is connected to 415V for some hours, what would be
result of this condition?
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Answer Posted / maan
Most of electrical equipment are rated at 220v,there
working seriously affected if they recive power at haigher
voltage(415v), also losses in primery side increases and
core loss in secondary side , that may damage winding and
insulation.
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