we have one oven for 12 zone we are installed ir lamp in oven we control load from thyrister and 0 to 5vdc so our zone no 8 getting bright in fraction of second so what we do.. Please answer
1335if There is Short circuit in Power Transformer, what will happened to Buchholz Relay.?? How Buchholz Relay will respond.??
2 3381how to find total current when kva is 30.4 given ? should we use root 3 (1.732) in the formula?
2 3295how much current capacity of 300 sq. mm cable (4 core aluminium) and 150 sq. mm cable ( 4 core aluminium)
3 27752how much current capacity 250 amp. mccb please tell me about whats are the reasons to trip 2 or 3 times in a night. and what are the steps to short out this problem
1 45273) How earthing is done? How it measured? Write the method for earthing? How the earth resistance is kept low?
1 4295Post New Electrical Engineering Questions
how can service sitting be setted for MCCB?Example for sittings IR (CURRENT RATING),IS(CURRENT STARTING) I O (current operating)?
How do you compute voltage drop and cable size over distance?
I have one ct of ratio 3000-2000/1 Amp its knee point voltage mentioned on name plate is 500-333/30mA-50mA at Vk/2. in secondary box there is three terminal named 1S1, 1S2, 1S3 then on which terminal obtained the knee point voltage ie 1S1-1S2 OR 1S1-1S3 & also specify the knee point voltage for the ratio 3000 from name plate.
WHY THE DIMENSION OF TWO SAME RATED MACHINE IS DIFFERENT ?
what is the isolation transformer. what is the isolator?
distribution is maximum done by a)radial b)network c) parallel d)b & c
how brushed dc motor operating ?
what do w do when the output of generator is fluctuating?
formula for calculation of switchgears(i.e. contactor, fuse, cb, relay etc.), if load current is given?
If we have use two power cable for incomer, that time how many use cbct for earth leakage protection? 1 or 2 if 1 way? If 2 way?
In synchronization circuit what is the function of Interposing voltage transformer(IVT)and Reverse voltage transformer(RVT)
how many electricity poles are there and what are the names and their sizes.
I AM A ELECTRICAL PANEL BOARD DESIGN ENGINEER.IF I GO ANY INTERVIEW ,TECHNICALLY WHAT ARE QUESTIONS I WILL FACE FROM INTERVIEWER?
can any one provide me a connection wiring diagram for a DG set control panel along with BOM?
Show the schematic arrangement of diesel power station layout and give its principle of operation.
