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.

at which places we use 6.6KV Transformers and Motors

4 Answers  

if a 3phase 100kva distribution transformer , 400 v,50 hz, 4-wire system is loaded at 160 k.w mostly 1-phase Lighting & Airconditioning split a.c load what will be the net effect on the power system in terms of voltage, powerfactor, current , efficiency of xformer

0 Answers  

what are the types of sus station ?

13 Answers   NTPC,

What is the difference between body earthing and neutral earthing?

2 Answers  

Why mostly GT(Generating Transformer)has only Ynd1 Vector Group?

1 Answers   Essar,

if a 2 ohm resistor,2 ohm capacitor and a 2 ohm inductor is connected parallely to 12v source.Then what is the value of current in each branch.Is current flows in each branch at the same time?If not so then provide the proper sequence

1 Answers   Tata Steel Limited,

what is the purpose of commutator in DC motor?

3 Answers  

HAI,I HAVE 6,60KW MOTOR FEEDERS IN MY MCC PANEL.HOW CAN I DO MY SETTINGS FOR OVERLOAD,SHORTCIRCUIT,GROUNGFAULT,INSTANTANEOUS TRIP FUNCTION IN MY 4000A CIRCUIT BREAKER?

1 Answers  

Can earth resistance be measured without connecting the earth electrode? and should earthing connections be disconnected What is the effect of connecting two cables of different sizes in parallel with supply? Thanks in Advance. I am intrested to get in touch with some tecnocrats/engineers,my mail i.d is : hiremathvijay@rediffmail.com

1 Answers  

What will be the voltage impact on secondary side of two transformers with different vector groups when both voltages are compared.

0 Answers   APTransco,

12.5 tons a/c is their how much kva generator can recommend to the customer.

0 Answers  

why we are using earth pit in sub stations.?

0 Answers