What fomula is used to calculate: 1. rated frequency withstand voltage, and 2. rated lightning impulse withstand voltage.
1274If we use 250A MCCB as a incomer in Control panel for a fault level of 50kA for one second ,assuming temperature rise from 85 Deg. to 100 Deg , Then what will be the Aluminium Bus-bar size for 250A MCCB? Explain in detail.
1817Sir we are using 250 kva DG its Diesel consumption 25 lits / hrs maximum load 160 kva now how to calculate units/ litres
1 2004Post New Electrical Engineering Questions
Both generator parallel condition shared load equally but one genrator taking ampere more than the other what are all the causes to make like this
sent to a site and asked to explain how you would like a twenty seven flour building should be supplied with lighting and sockets plus a water boiler.
What is big transformer parts and their function ? Ty
Is it good to short Neutral and Ground in the PLC or DCS main Power supply. Pls give YES or NO with reasons...? Simarpreet
How to test Alternator stability test for REF relay
How o select the electrical fuse?.What are its characteristics.How to select the material od fuse?
The screw thread commonly used for transmission of motion is one of the following types of threads
why the neutral line is not giving shock to us if we touch it ?
what should be the ideal gauge of wire (In sq mm) for different loads in Ampere?
Why the moulded plug comes with domestic appliances instead of assembled plug like anchor, Vinay 5/15 A.
why only exciting current is shown not primary current in transformer???
what is the function of bearing in dc mchine" and where it is placed
3- What is the target from Zero Impedance, Single Phase Imp., S/C Imp. and magnetic balance tests?
What is the earth treantment procedure?
What do you mean by a current transformer?