what is the formula for calculating motor rating? Example:
If we want to rotate a 1000 kg waight disc up to 100 RPM,
which size motor will require?
What will be the output voltage of a transformer if it is primarily energized from a square wave voltage source?
WHAT IS TANK CKT.?
If we increase frequency in transmission line in lieu of voltage what will happen?
I am an electrical power engineer and arranged power system for a data center, I installed MCB, ELCB and erthing system TN-C-S. But some times several ELCBs Disconnect circuits at the same time! what may be the reason? (the ELCBs are 25A ,30mA)
A 150KW 440V motor is need to replace in the field instead of faulty one. what are the main parameter should I need to check?
What is the Frequency while we step up the voltage from 220V to 11KV? Is it possible? Explain it?
why transformer is conneted to dc for polarity test.it doesnt work in dc?
what is the name of transformer oil.
WHAT IS ND RELAY AND HOW DOES IT WORK?
phase association of 3PH L&T static CT meter is wrong. means 1PH & 1 CT connected properly and other 2 voltage and CT's inter changed. what would be the impact in the reading?
what are the analog quality input for protection function?what are minimum reqiments?
on what priciple transformer works on?
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