what happen when transformer connect on dc supply.

Answer Posted / shiva

The transformers working in a inducation prinicples.
Secondary induced emf is directely proportional to the rate
of change of primay flux. When transformer is engriesed
from a dc source the core will be continously magenitised.
So core will saturate.

Is This Answer Correct ?    2 Yes 0 No



Post New Answer       View All Answers


Please Help Members By Posting Answers For Below Questions

what shoud be strength and weakness to impress interviewer????????

1625


how to Select its CORE in electrical cables based on its applications? or Application of various types of electrical cable based on it CORE?

2761


What will be electrical cost per sqft for IT building (basebuild and fitout)and for residential township?

1459


please give me all the Alarm .Trip ,Safety Relays & Conditions of Chiller mail me on ashokbabunhce@gmail.com

1359


In our factory so many iron pillors are exists for supporting the shed/Hangar. If do more no of earthings at one piller instead of doing more earth pits in many locations and running earth strip around the hanger, I can save the money. Please suggest this method is acceptable as per Is specifications though the Earth resitance of the farthest piller is with in the limits as per IS specifications.

1649






Actuality I have at home electrical panel with 220v 50hz, and I want to converter from there to 110v 60hz, to wiring on the half of my house. Also I like to keep another half of my house with the original 220v 50hz. What is the best and safety way to do?

1356


xpression 'document.FrmQF.myemail' [

1587


Draw a 230kv two-bus bar system showing the following. 1.Two generators (150MW) each connected through one 15.75/230KV transformers 2. 1 outgoing lines 3. Two 230/130 KV transformers 4. BUS PT's 5. CT

2125


What is VSCF windelectrical system?

1343


I have 440v power coming to facility,( not being used ) can I buy large generator, (gas) to sell power back to electrical co.

2023


What is relation between transmission lines & Communication lines ?

1698


For a three phase induction motor, what will be the effect on motor if the neutral of the system is shifted to say 20 deg.?

1404


if we run a 3 phase machine on two phase what will happend??? given answer with solid reason please

1597


What is the earth treantment procedure?

1610


i want to apper for apgenco or aptransco or related can any one sugest me where can i get previous papers of thouse exams

2822