If we have 630kva step down transformer to operation 3 phase motor 150 kva which size of cable is used? at circuit breaker to 3 phase motor or to electrical board
1 2761why name plate detail HP/KW rating of a motor is different from measured value HP/KW using formula?
1 4155Can somebody tell me the type and amp of transformer used to implement 600VA UPS? Thanks in advance.
1 2324If two generator running parallel, at that condition both ngr Taken in line or taken any one ngr, but why any one or both Ngr in line? Ngr is use for which purpose?
3 6076Q2). When 3 dice are simultaneously thrown, which of the following would be obtained? (a) Result 1: “A 5, a 3 and a 6” (b) Result 2:” A 5 three times” (c) Result 3:”A 5 twice and a 3” (d) All three results are equally likely. (Musigma Question)
2 3076Does the electricity supply authority send its customers power (kW) or voltape (V)? Asked by Ivan Muliro
2 3178the inertia constants of two machines are respectively 30and 42 MJ per MVA.when the change in frequency due to change in load in first machine is 12 Hz,the change in second machine frequency will be?
1 4297how to interlock 2 incomer,1 buscoupler MCCB,like we interlock an ACB... pls answer this question and if possible send me the ckt diagram..
2 13933Post New Electrical Engineering Questions
The efficiency of a 100kva transformer is 0.98 at full load as well as half load , for this transformer what is the Copper loss at full load ?
Differentiate between Zero and Negative sequence current
What is the maximum No. of out going mccbs permitted from an LV distribution paqnel? What is the ampere relation between incomer and out going switch gears/mccbs?
electrical knowelge
Whether power factor should be high or low? Why?
how to i get B licence,i am completed BE electircal and electronics engineering.i want to konw the proceduure to get b licence
What facility we get after CT secondary earthing and how?
What is Meter MF if External CT Ratio is 150/1 , PT Ratio is 132/110 Meter CT Ratio is 200/1 & Meter PT Ratio is 110/1
what is the pulse and audio frequency transformer? what is different between induction regulators and tap changing transformer?
WHAT IS THE DIFFERENCE BETWEEN GENERAL INVERTER AND SOLOR INVERTER TELL ME PLZ
what are the disadvantages in GIS over AIS
why +24 v and -48 v give to BTS? If -48v protect from surge then why we not use -24 v?
during installation time of transformer and alternator which points we have to observed?
What is the difference between line drop and percentage line drop?
how does high earth to neutral voltage affect electronic equipment?
