how to detect the presence of underground cable(while digging road)etc. -give the name of instrument
NTPC,
7 13312if step down transformer step down the voltage,will current will also be proportional step up. If yes then how transformer handle such a large current?
4 9926I have a 600VA UPS for computer only. It holds for 20minutes only. 1. Can it be upgraded for longer period.? 2. Can it be used for one ceiling fan and a tube light? If yes, how to upgrade?
11 40790what is the knee point voltage ? what is differtial rela? what is impedance and % of impedane? what is the postive phase sequance ? negative phase sequane ? and zero sequance impedance ? what is sortcircuit calculaion? why take calculation? define stabilty test ? why? what sentivity test? define merz protection ? what is the burden ? class 5p10, accracy, metering ct take knee point voltage test thet time what heppan why dont take knee point test to metering ct?
2702If DG runing time Neutral earth connection Dissconect what will be the effect in load and equipments.
3 8858If DG runing time neutral is disconnected what will be the effect in Engine and Electricial panel.
HP,
2 6535Post New Electrical Engineering Questions
What do you mean by distribution transformers?
is it possible to test of bus bar in high rise building without completed full floor ?
can anybody send the rrb chennai &rrb bopal question papers of 2006&2007.My exam is on 12 oct 2008.Its urgent
What happens when ac supply is given as excitation voltage instead of dc supply
is the value of inductance depends upon the value of thitha in doubly excited machine??
Can anyone provide with a SLD for HT panel installation for a 33KV line and distribution end has three 1.5MV transformers. Is it suitable to use OCB or VCB and also provide me the suitable rating and its connection diagram.
should %impedance be high or low in a power transformer? if so why?
EXPLAIN THE WORKING OF SERIES REACTOR IN HT CAPACITOR BANKS (FOR VOLTAGES & CURRENTS)
what is the profesional board for electrical engineer what is thepast and during construction for electrical engineering
is there any role of power factor with frequency variation? and how we can manage the frequency variation?
1) Explain why we don't link the two earthing system ht and mv on a pole mounted transformer sub-station.
What is sensitivity of a measurement?
Why 15Amp. MCB is suitable to carry load of 1.5Ton Ac please Explain?
what is Different between Bilinear and Unilenier?
What happen when change order of CT in GIS feeder?