Interested to Buy Any Domain ? << Click Here >> for more details...
why we are caling 440 volt 3 phase supply instead of 660
volt 3 phase supply? because each phase as a voltage of 220
volt. if anybody know the answer for my question please
send it to my mail id. thank you.
- 3 Answers
- 23321 Views
- College School Exams Tests, Jindal Steel and Power, JIOL, NEC, I also Faced
- E-Mail Answers
Answer Posted / syed qamar abbas
Because its a phasor sum not an arthimetic sum, all three
phases are displaced each other 120 degree apart, so we
have to add them taking consideration of this angle
| Is This Answer Correct ? | 26 Yes | 23 No |
Post New Answer View All Answers
What is an iron loss or core loss pi?
I have a current transformer with 1 main reading meter with transformer outside the building and a control panel having 5 CT reading meters with black round coils inside the building. I want to know, A) when current pass through the Transformers, will the current be reduced or be the same and after that B) when current pass through the CT meters with black round coils, will the current be reduced or be the same. C) in the above process will the reading of the main meter be same or different, from the total reading of all the 5 CT meters.
A powerplant has 8 gensets operating in grid parallel mode. In one genset sometimes there is pf variation and kvar variation. The plant operates in pf mode. When this variation is observed the load is stable, voltage is also stable, freq and genset speed is also stable. How will you check the functioning of pf card. What shall be the ideal output vdc of the pfc, from there it is input to AVR?
Explain the function and difference of Restricted earth fault, simple earth fault and sensitive earth fault with connection diagram.
please send me last 5 year interview questions
what is the working principle of a DG Set, Alternator, & exiter
How to calculate Temp from Resister from PT100 equation,
what is lumped and distributed elements?
Explain the advantages and disadvantages of hydropower plant?
Operation carried out in thermal power stations?
How to convert a two phase power into a three phase power in induction machine?
what a function diesel generetaor turbo charger & turbo charger is more heated explain reason ?
why do motors burn out? I understand why adding parallel loads to a power source means more current moves through the circuit, and can destroy circuit elements by overheating. What about when you have a vaccuum cleaner intake flush against a floor, a room fan sitting directly against a wall, or a power drill trying to drill through something too hard?
2 v/500amp/hr to 1.80vpc at 20 degree celsious 2v/5ooamp/hr to 1.75 vpc at 77degree farren .this is the capacity of a battery .what is the meaning of this . can i get a detailed explenation
How can we calculate the KVA rating of a Distribution transformer from its core details?
