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I have recently seen a transformer which had two primary terminals and was connected between two lines,i would like to know what kind of transformer is it?short discription about it,any advantages,purpose of usage of the same.............
8 10802When connecting a loaded powerplant to the Huge grid,what are the factors to be considered and how the VAR flow will affect the system?
1 3981iam preparing for rrb section engineer post in electrical branch.suggest the right textbook for my reference.fromwhere i will get the previous q.papers?
RRB,
2221A 2D array X(7,9) is stored linearly column wise in a computers memory.Each element requires 4 bytes for the storage of the value.If the first byte address of X(1,1) is 3000,what could be the last byte adress of X(5,8)?
TCS,
2 4623why we permissive overreach in distance protection.where it is applicable to use in long r short lines
2715what is the difference between underreach and overreach.what is the advantage of using overreach instead of underreach.explain
1 14757The neutral to earth connection in my industry is showing a zero reading (shorted). I have a machine which has to be installed where neutral to earth is not shorted and shows a leak voltage <3 Volts. Please suggest me how it is possible.
6 10228Post New Electrical Engineering Questions
If an electrical component has a positive temperature coefficient, how come such components have high power losses due to heat if current decreases when resistance increases? assuming power given by I^2*R whereby the Resistance is infinite.
For small size, high frequency coils, the most common core material is- a. )Air b. )Ferrite c.) Powdered ion d.) Steel
IN electrical field, WHAT ALL THINGS THE CUSTOMER WILL ASK WHILE ORDERING FOR LT PANEL (ALL TYPES OF LOW TENSION PANEL)
Witch do depand of Power factor and theory of power factor?
If UG power cable both ends are to be earthed or what? If not why?
From what on-site components does the HT panel monitoring the bus-bars in a 11kV system take inputs?
we have provided 30 nos. relay contacts in panel.I want to know how do we do the numbering for the relay contacts as per any applicable standards
How the circuit breaker is selected for Induction motor of 100 kW, 415 volt, 0.85 power factor, 0.95 efficiency ?
A cylindrical wire is compressed in length by 10%. The percentage decrease in the resistance will be?????
how we provide neutral earth on synchronising panel as per electrical standards?
Is there any specialised book to refer about fault level calculation both in MV and LV side??
Bimetal strip used in overload relay what is that,which types of material used for that & percentage.
What is primary and backup protection?
for hipot test on 33kV busbar, we will test on 70 kV or 56kV, what is the acceptable leackage current?
technically, what is the reason behind starting the motor star the delta connection .. and what other ways to do this rather than using " star-delta transformer"
