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State the difference between Three winding transformers and
Two winding transformers ? where its used?

Answers were Sorted based on User's Feedback



State the difference between Three winding transformers and Two winding transformers ? where its..

Answer / ashraf majid

Three Windings are required Where U require three levels of
voltage.These windings are
1.HV (High Voltage) Winding
2.IV (Intermediate voltage) Winding
3.LV (Low Voltage) Winding
The main task of voltage transformation is performed by HV
winding & IV winding, while as LV winding is used for minor
purposes as auxilliary winding

Two winding transformers are more common and used for
transformation of One voltage level into another.

Is This Answer Correct ?    62 Yes 27 No

State the difference between Three winding transformers and Two winding transformers ? where its..

Answer / m. k

Three winding transformers can also be used in the places
where you have space constraints, there ispite of giving
two no. two winnding transformers one no. three winding
transformer can be used.

A three winding transformer can be can have following
configurations:
A.Configuration-1
1.HV (High Voltage) Winding say 400 kV
2.IV (Intermediate voltage) Winding say 220 kV
3.LV (Low Voltage) Winding say 6.3 kV

B.Configuration-2
1.HV (High Voltage) Winding say 400 kV
2.LV-1 (Low Voltage) Winding say 13.8 kV
3.LV-1 (Low Voltage) Winding say 13.8 kV

With this configuration if we say that MVA capacity of
transformer is 220 MVA (say) at 400 kV, them at 13.8 kV (LV-
1 & LV-2) windings will have MVA capacity of 110 MVA each.

Is This Answer Correct ?    39 Yes 20 No

State the difference between Three winding transformers and Two winding transformers ? where its..

Answer / agus

There is also another application of three windings
transformer with unloaded IV (Intermediate voltage) delta
winding. The function of this kind of IV delta winding is
for reducing unbalance in the supply side, when this
transformer is delivering power to an unbalance load.

Is This Answer Correct ?    24 Yes 7 No

State the difference between Three winding transformers and Two winding transformers ? where its..

Answer / haroon

one more name of teh third winding is known as stabilizing
winding

Is This Answer Correct ?    7 Yes 6 No

State the difference between Three winding transformers and Two winding transformers ? where its..

Answer / abhi

three winding transformer is also used to suply LV. voltage
for two same capacity load at secondary side ....

Is This Answer Correct ?    1 Yes 1 No

State the difference between Three winding transformers and Two winding transformers ? where its..

Answer / yashar

Tree Winding transformers are used to supply DC Bus bars
also, and in this case rectification will be better becuase
12 pole will be used.

Is This Answer Correct ?    0 Yes 2 No

State the difference between Three winding transformers and Two winding transformers ? where its..

Answer / p.sandeep

If we use on load tap changer we make 3 winding transformer.is it ok

Is This Answer Correct ?    0 Yes 2 No

State the difference between Three winding transformers and Two winding transformers ? where its..

Answer / vikas v

A three phase tfr is three winding tfr and single phase tfr
is two winding tfr

Is This Answer Correct ?    2 Yes 86 No

Post New Answer

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