What should the transformer connection of a 11/220 kV step up and 66/11 kV ste

What should the transformer connection of a 11/220 kV step up
and 66/11 kV step down transformer ?

Question Posted / kunal

4 Answers
6473 Views
CGL, I also Faced
E-Mail Answers

Answers were Sorted based on User's Feedback

What should the transformer connection of a 11/220 kV step up and 66/11 kV step down transformer ?..

Answer / koti

delta /star / and star /delta

Is This Answer Correct ?

9 Yes

2 No

What should the transformer connection of a 11/220 kV step up and 66/11 kV step down transformer ?..

Answer / sourabh maggo

Star - delta 7 delta - Star

Is This Answer Correct ?

3 Yes

1 No

What should the transformer connection of a 11/220 kV step up and 66/11 kV step down transformer ?..

Answer / abc

delta-star &star- star

Is This Answer Correct ?

1 Yes

2 No

What should the transformer connection of a 11/220 kV step up and 66/11 kV step down transformer ?..

Answer / david san rich

11/220 steps up the voltage and decreases the current .
there will be no change in power value And in 66/11 transformer
the voltage is voltage is stepped down and current value is
increased simularly here also no change in power value

Is This Answer Correct ?

4 Yes

7 No

Post New Answer

More Electrical Engineering Interview Questions

What are the advantages of a three-phase system over a single-phase system?

0 Answers

A 100 MVA transformer may be cooled with?

6 Answers HCL,

In Air circuit breaker LSIG protection unit is used. Without fault in cables (2 runs 3Cx150Sq.mm Copper, 1Kv grade, XPLE armored cable IR value is more than 550Mohm @ 500V Megger) and load section Long time Overcurrent protection is triggers and trips the unit. We changed LSIG protection with new factory tested unit. Even then fault is persisting. Please suggest the possible causes

0 Answers

Dear Mr B C pal...Can you plz. put some light on principle of operation of Z-Ct in conjunction to its use with 1Cx1000Sqmm HT Cables & Directional Ground Fault / Over Voltage Relays...Regd..Parag v K 9899115632

0 Answers

Plz tell me how we can find that particular company has vacancy or not

0 Answers L&T,

How can we calculate C10 rating of a bttery from c5 or c20 ratings??

1 Answers Intel,

PLS SEND THE RRB CHENNAI MODEL QUESTION PAPER my email id is ganesan98655@rediffmail.com

0 Answers RRB,

lamination figures

0 Answers

can you use 400 volt 3 phase and neutral and earth equipment on 440 3 phase and earth supply safely and if so how?

2 Answers Maersk,

How to do bus bar short circuit calculation for 230KV/11kv, 60 MVA Substation?