Answer / pruthi

yes we can but delta connection is mainly used to reduce the
harmonics which defines the quality of signal..

Answer / power srikanth

yes....for transmission we connect secondary in delta and
for distribution we connect in star fashion becoz in star
neutral wire is available

Answer / raul

yes, it is possible n frequently used ............delta is
connected to act as a tertiary winding which reduces the
harmonic contents of the induced currents, suppresses the
earth fault currents, providing auxiliary loads etc. and
the star is normally connected for d desired purposes i.e.
stepping up in case of DELTA STAR connection etc

Answer / gopi

suppose in transformer one side of coil of each phase can
connect to ground potential. It means that the insulation
strength of transformer can be reduced compared with Delta
connection . It realize cost down of transformer. Delta
connected coil need same insulation strength on both side
of coil, so it need more cost for insulation. But in Star
connection, harmonics problem will appear. In case of Delta
connection, harmonics current is circulating in delta-
connected coils and not appear in distribution line. If the
harmonic current was there, it will be a cause of over heat
of lead-phase capacitor, lag-phase inductance and
transformaer.

Answer / gunasekaran

no it is star only because that voltage level tr sec is the
souce end souce end is always earthed why because 1.earth
faylt current getting closed path another one is avoid the
resonance grounding

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