3Cx240 & 3Cx300 sqmm Al. cable from lv side. What is the calculation for this cable??
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10Hp, 3-phase, 415v, 50Hz induction motor. The above motor is to run on Star-Delta connection, so how do i make following hardware selection 1) MCB, 2) Contactor, 3) Wire Gage (Depending on P-P current or Line Current), 4) OLR, Please tell in detail how to do the above, so as to get the ans. of it even if the Hp rating changes.
In dc ckt. 24v or 110v, which one is more efficient and why?
Our Alternator nameplate specifies a power factor of 0.8. When the Alternator is on light load, the bus bar voltage rises to 11240 volts, whereas the standard value is 10500 volts. Is it ok to increase the power factor to 0.85 or 0.9. I am afraid because the power factor on the name plate is only 0.8 ?
what are the shades for mimic diagram i.e for 3.3kv,6.6kv,11kv,22kv and 33kv? which is the IS for mimic diagram?
in catridge heeter watts =110, 260 v , i checked in multimeeter meeter shows 50 ohms but oms law r=v square /w 260*260=67600, and 67600/110=614.5 ohms how to caluclate exact ohms in heetre s
What is the maximum percentage voltage drop (vd%)for a motor control center
in breather of transformer how sillicon gel absorb the moisture?wat happen when the moisture in that oil?
what will happen if ac and dc supplies given
when we change tha taps from 1-16 in 100mva tr whether a constant voltage avaliable till it reaches tap 16 or voltage change as per taps change
How we can measure the thickness of bus bar for a given load ? any farmula Plz elaborate clearly.
1.two coupled coils with L1=L2=0.6 H have a coupling coefficient of k=0.8 the turns ratio N1/N2 is......
what is the similarity and difference between ups and inverter?