Answer / koti

It is not primary, but HV side. For OLTC-above answer of
low current is OK. For Off-Ckt TC; more turns to get more taps, away from core i.e. near to tank which facilitate easy tap connections.

Answer / pradyumna171

current of primary side is low i.e smooth control gear is possible in this method of tapping that's why....

Answer / raju

Tapings are connected to high voltage winding side, because of low current. If we connect tapings to low voltage side, sparks will produce while tap changing operation due to high current.

Answer / renato elamne

_we used a tapchanger in the transformer so that we can select a tapping,same voltages to the primary lines input to the transformer..exam..if 17627 volts primary lines,the tapchanger also point to 17627 taps.

Answer / bhabanipattanayak

In a transformer pri. Wdg. Is
always wound over sec. Wdg.
So it is not possible to
connect tap changer in sec.
Side. For this reason we use
tap changer in pri. Side.

what is ferranti effect?

9 Answers  

Why we use circular(Stepped) cross section in transformer core?

0 Answers  

what is MAR

1 Answers   NCC,

how to save the power?

2 Answers  

What different between kw and kva. why maser AC in kva.

3 Answers  

why test lamp didn't glow across 500v megger?

4 Answers   Aurobindo,

what is meant by twilight switches 7 where its applicable ?

0 Answers  

what is the difference between main meter CT and check meter CT?and what is the difference between main meter PT and check meter PT?

2 Answers   Tesco,

How to calculate main incomer rating of APFC Panel ? Let's say i want to find main incomer for 11kV, 1000kVAR Panel.

0 Answers  

What are the two segments of nyquist contour.

0 Answers  

difference between synchronous reluctance motor and switched reluctance motor

1 Answers  

why capacitor rating measure in KVAR. ?

2 Answers