Preferred connection for connecting line tap changers to transformers

Q.  Which connection is preferred for connecting line tap changers to transformers?
- Published on 28 Sep 15

a. 3 wire 3 phase AC system
b. 3 wire 2 phase AC system
c. 4 wire 3 phase AC system
d. All of these

ANSWER: 4 wire 3 phase AC system

Post your comment / Share knowledge


Enter the code shown above:
 
(Note: If you cannot read the numbers in the above image, reload the page to generate a new one.)