How are calculated the aluminium busbar cross section area?2 5710
Are same transformer be employed for step up and step down services?3 2704
On what basis primary and secondary of a transformer is chosen?2 2172
how to male a d.c bettery to blow a 230v bulb?1 1927
Can a 50-Hz designed transformer be used at 60-Hz system? Is the same remains true, when a 60-Hz designed transformer be used at 50-Hz system? Consider only frequency variation. The voltage remains as rated value in all cases. Justify the answer.2 4500
Hello, im taking an introduction to PLC..and i'm having a hard time on creating a program for 2 lamps blinking alternately with this button characteristics: 1.) One push button (starts upon pressing) 2.) Same push button (when pressed again, will pause the system) 3.) Same push button (when pressed again, will continue the paused system) 4.) Same push button (when pressed within 2 seconds, will shut off the system) Pls..i know this is just a simple problem for you guys..2 1469
In n high voltage 11kv system What happened if 1 of CT cable (IDMT) loose.Will e/f or o/c trip.please explain detail1 1847
In UPFC,What is the need for Dc link ( DC capatior)?1 2463
Can a transformer designed for a particular voltage and frequency rating be used for different set of mentioned ratings? Assume that the winding does not get burnt because of overheating at higher voltage. If yes, then under which constraint it is possible?1 1084
what is basically a pulse transformer?1 4338
whose motors self starting synchronous or Induction motor?give fact reason why not self starting another mother2 2244
Where burned of electricity,when,who, & why.
What is the difference IN MCCB's between thermal magnetic and electronic tripping system ?
what is earth fault relay 64T, why it is used in main Incomer and neutral CT of Transformer.
how we find transformer capacity by ohm
why constant voltage transformer should be start without load? and if started then what will happen?
Sir, plz tell me how droop setting is done in parellel operation od DG set ? please give practical example ?
what do you understand by dressing a HT/LT pole
What is the Working principle of ELCB and RCCB?
what is the difference between earthing and unearth
What is negative sequence over voltage element?
i want to know that what is the eligibility critaria for ongc exam?
Which of the following statements is incorrect?(a) 1N = 1 kgm/s2(b) 1V = 1 J/C(c) 30mA = 0.03A(d) 1 J = 1N/m
During regenerative breaking= A rotating magnetic field is reversed B slip is positive C torque is positive D slip is negative
How to design a Unit auxiliary transformer for a power house having a unit of 65 MW and Generating voltage of 11 KV and Secondary voltage of 433V
sugest any typical project ?