What does Transformer vector connection Dy11y5 means?

Question Posted / arunforyou

1 Answers
4137 Views
I also Faced
E-Mail Answers

What does Transformer vector connection Dy11y5 means?..

Answer / nitin khatana

D stand for hv winding in delta and y stand for lv winding in star.
11 stand for 30 degree lead.
and Dy5 means D stand for hv winding in delta and y stand for lv winding in star.
5 stands for 150 degree lag.
The Dy5 is not a legal 3 phase connection. it is obtain from Dy1 connection by change the connection of lv star winding star(form star from a1b1c1 to a2b2c2 to form Dy5 connection)

Is This Answer Correct ?

2 Yes

0 No

Post New Answer

More Electrical Engineering Interview Questions

friends., why celling fan rotate cockwise direction and wall fan anticickwise direction ?

3 Answers

Then what do you call a transformer that is installed on the ground?"

1 Answers

hi engineers,if suppose distribution is going to two diff village mistakenly they r interchange the neutral of twowhat happen?

7 Answers Bhel, L&T,

how to calulate short circuit current for the following: 1.cable connecting 11KV of 22KV/11KV transformer to 11Kv of 11KV/415V transformer 2.what cable size should i use.

0 Answers

What should be the height of basement according to NBCC code?

0 Answers

how to commissioning the genset with amf panel?

0 Answers Cummins,

How Calculat the Cable Sizing of HT/LT System & Explian by one Exampal?

1 Answers Siemens,

Hello everyone, somebody knows what is a "surplice power" ? The hole phrase is: "This rating is appropriate for a generator set paralleled with an infinite bus e.g. a national electrical supply network or grid where the generator set is run at 100% load, 24 hours a day, 365 days a year and any surplice power is exported into the grid" Thanks in advance.

0 Answers

What is routh hurwitz stability criterion?

0 Answers

when a hand crancked meggar is used to check most three phase induction motors, how many tests r rquired? Why?

1 Answers

need help, please can someone tell me how can i calculate the main breaker and branches breakers to distribution panels (MDB) depending on the load ampere .. i really need it but can't find any site >>

3 Answers

How the train speed control?

1 Answers Bhel,

For more Electrical Engineering Interview Questions Click Here