without name plate detail of blower how we can find out the
HP & Rpm ? the input voltage is 230v single phase
voltage is 230v, 1ph. application being exhaust fan,supply
air fan, water pumps, . speed are generally
750,1000,1500,2800rpm.check the fan blades.3,4,6.
Is This Answer Correct ? | 0 Yes | 2 No |
We have one 500KVA transformer. We have tested REF relay and commissioned. After one and half year, due to some ground fault in one of the DB circuit Transformer tripped by REF relay. What will be cause and remedy. Please advise?
whatis the test procedure for lightning arrester which was installed one year back. i want check it whether it is working or not.
If I want to use capacitor banks at HT (11 KV) side for maintaining power factor then which type of capacitor should I use? Plz give me the specification?? (I am using 1250 Kva transformer (11 KV/433V)).
how to calculate the mesh earth network resistance in such substation, is there any recommended resistance values with references , thanks!
when giving a supply to wounded coil it will get magnetised, but the same is not if it is not wounded on a core..and it is getiing short....why.......
what is the form factor of DC voltage
Transmission line design. Say, I have a 1MVA generator and 2 transformers that will have the same load. What would be the proper rating of the trasformers? Is it safe to say, that I will simply divide the total rating of the generator?
Which has more losses, AC or DC??
In power transformer YnD0 Vector Group is possible or not? if possible, what will be the vector diagram and what are the conditions?
IN A MAGNETIC MATERIAL HYSTERYSIS LOSS CAN'T BE REDUCED TO ZERO. HY?
What happen if a 18 watt fluorescent tube is used on 36watt choke,which one damaged or not damaged, if damaged why that damaged?
why any inductive load need free wheeling diode?