1)Why potential transformer primary site grounded?
2)can be loop between neutral & body for grounding?
3)What is the difference between ELCB &RCCB?
4)Why we use iron core in transformer insted of wooden core?
5)what is the principle of excitation?
6)Why we test the core balance test for transformer?
7)what is creepage?What is the creepage length for
insulators at different voltages?
8)How much type of relays used for differential protection
of generator,transformer & busbar protection?
Answer Posted / manishkalia09
ans not know.
please give me anser of these questions.
| Is This Answer Correct ? | 3 Yes | 3 No |
Post New Answer View All Answers
It is desired to flood light the front of a building 42 meters wide and 16 meters hig.Projectors of 30 degree beam spread and 1000 watt lamps giving 20 lumen/watt are availabl.If the desired level of illumination is 75 lumen/m and show a suitable scheme.Assume the cofficient of utilization, deprecitation factor and waste light factor are 0.4, 13 and 1.2 respectively.
Is there any guideline say about display of earthing value near to earth pit
What is line resistance of cable & how it can be measured ?
While converting delta into star or star into delta ,the three values of resistances remains unchanged .Find out the value?Let In star R1=x;r2=x;R3=x On converting into delta,R12=x;R23=x;R31=x Find the value of x
What is the practical way to calculate the cable size for known ampere load?
XYZ
cc of scorpio?
Differentiate between Zero and Negative sequence current
What is dynamo function in DG sets and draw block diagram?
redundant connection in contactor?
at work i have a genertor/alternater what is the easyest way to work out if it is dc or ac?
what is the importance of Partial Dischage test for Electrical Equipments
can any one provide me a connection wiring diagram for a DG set control panel along with BOM?
What is the general power consumption rating of CPU CRT type and Flat type, Monitor,Printer, projector, Scanner?
What is inductance?