What is the maximun current carring capacity in per phase for three pole 100anps rating ncb
I am having dual speed motor of cromton greaves make of 3.7 KW -1400 rpm and 5 KW - 900 rpm. Please let me know groups and winding connction for rewinding purpose.792
what is the calculation method to design core and winding of a 200kva 3phase distribution transformer?1239
what are the effects on an power plant and consumers if the power factor is increased or decreased?2 2436
in ring main system we use the isolater b/w transfer bus and main bus if we r not use isolatar than wat will be the effect in our sys.809
why in electric train we can't feel current & generally we have get socked in our normal electricity ?3 3253
what is the diffrence between kav and kvar?5 16884
why generator and t/f ratings given in kva?2 4647
what is the diffrence between dol and star delta strater? why star delta starter used instead of dol?3 6174
what is the rating of boiler?4 5124
What is the exact load current needed for a place which has 100nos of bulb of each 100w?2 2206
why magnetising curve not start with zero voltage?
when ID fan will immediately stop through VFD what exactly cause and problem the ID fan
What would be the size of wire used for 2 Ton of window A.C?
Q.1:What protection will be used on HT and LT side of 33/0.4 KV, MVA transformer. Indicate capacities of protective device to be used. Q.2:Which types of back-up protections are used in the power transformers? What do you understand by the term over travel in the relay? Q.3:How star and delta connected winding transformer are provided from earth fault
In synchronization circuit what is the function of Interposing voltage transformer(IVT)and Reverse voltage transformer(RVT)
i need list of swg(standard wire guage) or area of conductor v/s current carrying capacity of conductor copper & alluminium...
how test transfomer(3 phase75kva) by megger
what is the effect of vector group while phase sequence of a generator changes,whether the vector group changes or not
why dc is used in control circuits for MV & LV switchgeras instead of ac
I have doubt that the supply HZ (very low or high than rated ) may affect the power factor. is it true. ?
WHAT IS DEAD END IN PROTECTION?
what is the voltage regulation for unity and zero power factor?
regarding safety what would u consider the most important rules to observe when inspecting electrical equipment?
If a current -8+6sin6t is flowing three ammeter, one is a centre zero PMMC meter, one is true rms meter and one is moving iron meter. What are the reading of these three meter respectively?
where lt & ht capacitor used