How much load with stand the copper cable by sq mm apro..
Answer / k.prakashchandra
It is taken as 2.5 A/sq mm generally . For continuous stable
load it is 1.5 and 3 for variable load.
Is This Answer Correct ? | 3 Yes | 3 No |
why h parameter are called as hybrid parameter?
what is the use of earthing?
What is the difference between earthing,ground&nutral?
why back up fuse used in vacuum magnetic contactor?
why induction motor speed is decress with increase in load? how synchronous motor speed is constant?
aternator every parts and its working
What is a dc motor?
What are the difference between C-Curve and D-Curve for MCB's.
17 Answers ABB, DLF, Essar, GK companies, Nissi Engineering Solution,
avr is an automayic voltage regulator ... it regulates voltage before it synchronise with grid after synchronisation it regulates power factor why....
In alternator generally we give DC voltage to field of alternator but field (excitor)produce Ac & converts into DC by rotating rectifier(RR ) then fed to rotor .my question is why we cannot give dc voltage directly to rotor instead of Excitor & RR ?
what does the word synchronous mean in 'synchronous machine'
How to calculate Ith (I thermal) for curent transformer