What is the tipical Online UPS input voltage for 20 KVA load ( 3 Phase or 1 Phase )? Why ? Explain it...?
2187If I need to purchase a step-down transformer (from three phase 33kV 50Hz to 400/230V), what additional information do I need from the main supply power line?
1 3467Is any AC drive(VFD) had a feature of DC injection braking? if available please mention the detail. i.e drive can supply braking torque when the motor in idle state.
1678what are your career plans upon completion of the programme and the relevance of recity generation to your professional development?
1745What are your personal skills and abilities for such a Master Course and your possible preparation to undertake this course?
1568Post New Electrical Engineering Questions
Difference between HRG and NGR. Are they both the same thing
why the active power flow of some line is increased when the active power of out is cut ?
In layman terms, what is the difference of Dielectric strength and dielectric constant when speaking of an insulating oil
mention hazard experienced during installation
What is the formula for selecting the cabels according to load? How to calculate what sq.mm cabel to be used?
how to control dc motor?
what clearance required for 4.5 mva dry type transformer?
what is V.L.F. testing of power cable? do you know the voltage ratings, like for what rating and size of cable what rating of V.L.F. testing is used?
what are the ''pitting rings''and how cn they be controlled in a series generator
what does vector group Dyn11 tell us? also tell me how will u differentiate between phase lead and phase lag thru this vector group
what is the reactive power what is the use of it in system
What are the criteria shall be considers for sizing Fuse and MCB? If the rated current is 10Amps what should be the fuse size / MCB Size?
explain comutator action in detail.thanks
why does the magnetic balance tests at transformer?
(1)Can earth and be conected together (2) what is the diferent between earth & neutral
