what is tertiary winding in transformer?What is its purpose?
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Answer Posted / pradeepkumar
Apart from the Primary & Secondary windings, there
sometimes placed a third winding in power transformers
called "Tertiary Winding".
Its purpose is to provide a cirulating path for the
harmonics (especially third harmonics) produced in the
tranfmormers along with power frequency (50Hz. third
harmonic means 150 Hz oscillations
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