what kind of motors are used in the winders of coal field?and what are the various methods of it's speed control?
1 3644Please brief me about number of pole in alternator.In single phase alternator coils are connected in star or series. How to calculate frequency for the same.
1918my UPS suddenly goes off and all panel light also blow off.This happens even main electric supply is not interrupted.After some time it automatically starts functioning normally.Batteries are new.
2067Post New Electrical Engineering Questions
what is the affect of earth's magnetic field on the frequency used in aircraft???
how works inductive &capacitive sensors?
If we are given a 10 amp cable type and asked to calculate the number of cores used and the thickness of the cable, how do we do it?? please help...urgent!! i hope the question is clear enough!!
What is oscillator circuit?
Battery is a voltage source? give one example of current source and why?
typically in power distribution substation. 1- Any idea how would be the graph of capacitor bank consumption verses time through the day . 2- How is the switching ( on and off ) of the capacitor bank, per need?
What are your future plans for the company if permanently employed?
The transmission does not have options: a)Partition noise b) Flicker noise c) resistance d) Short noise and reason
Dear All, I am new in construction company , my boss ask a question at time of interview , If we have 60MW generation and Single Power Transformer step-up we have. if CMR 50/60MVA , ONAN, ONAF respectively , is it sufficient or not ? for that much power to transfer,
How to use earthing on shipments.
Thermal withstand capability under full short circuit conditions, in terms of number of times of occurrence of short circuit and corresponding anticipated percentage reduction in transformer life.
Starting times for soft starter & power factor is thier any standard or datas available in manufactures list. Kindly suggest.
quantizer means?
wat is the first thing dat is needed, 2 lay a cable in some area??
What is the method of estamating of cable, CB,MCB ?