in the exciter the power is feeded from battry or control or whatever.and we need it in the generators for the stating . do we need it in the shutdown also?i mean the exciter>
2 3516why the earth pin is thicker than other pins in a plug? If it is for reducing resistance, then why the copper earth wire is not so thick as earth pin of socket?
Omax,
5 7105if there is nutral in phase why we use earthing wire and grounding? even at fault condition the fault current flows to neutral (it is a lower path)
1 3004Require Generator Capcity ( KVA ) for 3 Phase Motor having 4.7Kw with starting current of 16amps?
1 3520why we dont prefer ac voltage controller instead dimmerstat [if both have same rating] for conducting experiments in laboratories?
1689Post New Electrical Engineering Questions
How can get elongation of 2 k.G aluminium, if elongated aluminium dia is 2.5 mm?
completed BE & done apprentice at tneb & having experience 6 years. want to get c license. will apprentiship & BE be helpful for getting c license. will i get any preference by showing this?
is it possible to have dc motors on single chip
which motor have relatively high power factor and what is reason for have high pf? 1.capacitor run motor 2.shaded pole motor 3.capacitor start motor 4.split phase motor
How to decide cable tray size?
there is an alternator 480 k.w, 400v,50hz, 4-wire running on load having leakage alternator body earthed current 38 A. is it within acceptable limit? if yes then give reference if no then how to bring within specified limit
USE OF 8 WAY PAN ASSEMBLY
is there any lightning by passer is arranged in ship like buildings?
What is the drawback of static coefficients?
How can a equal potential zone be carried out in conductors?
What will be advantage if we put some load in neutral of grounded star transformer & loadshortcircuit current,rated current of cable & MCB with example?
What is the formula to calculate the size of Aluminium and copper cable?
i have a 4 Mva transformer 34.5 kv / 480-277 v and i used 2 parallel 3200 amp bus duct for the secondary feeder using 3 ply of bus bar ( 3/8" x 5" ) as a common where the flexible link terminated and 6300 amps breaker for the main, the lower bus duct reaches 70 degrees and the upper bus duct reaches 55 degrees when i used thermal scanner. why the temperature is not balance when the load reaches 3600 amps.
What are the different types of controllers?
what the principle of sincroscope?how it works?when it needed?