how to choose cable size with respect to load? how to convert cable size in mm2 to sq.mm?
MSL,
2 5993Earth Is a very good conductor or very good insulator.? If a good conductor then why current donot flow through small piece f earth and if a good insulator then why we use it as return path in lines.???
L&T,
6 34627Post New Electrical Engineering Questions
Differentiate between magnetic field and magnetic flux?
clarify types of motor operated valves and advantages
gas turbine genrator reactances
i need to now what will be the cable size to the following load, transformer to distribution panel distance 110m, load 1000kw, voltage 400v, pf 0.85, permissible voltage drop 2.0%, overhead line, atmospheric temperature 35 degree c.
how you taken aotitude test
Why colled 440V to 3-phase supply.
What is difference is of VSD,VFD,VSDS, are they the same as the direct current to control dc using above mention
IN induction motor pf is increased using capacitors.what will be the effect on motor and system when very large capacitor is accidently installed and pf goes leading.
Help need in transformer !? Hello Friends The parameters of 2300/230 v 50hz t/f is R1=0.286 ohm R`2=0.319 ohm Rc=240 ohm X1=0.73 ohm X`2=0.73 ohm Xm=49.2 ohm Secondary Load impedance ZL=0.387+J0.29 solve the exact equivalent circuit with normal voltage across primery.. I know every thing but i cant find CURRENT I1=? and I`2=? Please help me give solution or only Formula please please...
What is the bundle conductor?
how to calculate the tarriff for an industry whose kva demand is 10 mva
I have a relay contact rated at 220v dc which is supplied with a 24vdc from the panel,for it to trip the dampers(24vdc).What if the application of the relay changes so that it should work at its rated 220vdc then will it work at 24vdc supply given or any other consideration needs to be taken .....
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.
how to find ratio of CT & PT in 66/11kv 12 mva supply system ? explain with calculation.
what is the id1 & id2 setting in differential protection relay of CSPC?