minimu size and length of gi earth pipe
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Hi,My name is ranms i want to know the machine vibration related problems.post me if any body knows. 1) Possible causes of machine horizontal vibration high? 2) Possible causes of machine vertical vibration high? 3) Possible causes of machine axial vibration high?
my question is Megger of cable insulation or swgr board meggerring some values in one day 50mohms,some other day checking different values(20Mohms). this tell that some person tell that that values ok. how to identify the megger value is correct. pls tell me the answer.
In single phase capacitor motor, if the motor rotate reverse direction then how much power will be consumed by the motor and why?
In a 11000/440 V transformer, when any one phase of 11 KV supply fails (ie., single phasing), what happens to the secondary voltage and why?
3 Answers Secure Meters, TCS, Torrent Power,
if a 2 ohm resistor,2 ohm capacitor and a 2 ohm inductor is connected parallely to 12v source.Then what is the value of current in each branch.Is current flows in each branch at the same time?If not so then provide the proper sequence
What is the difference between CT for protection and Ct for metering?
I WANT TO know WHICH WAY IS BETTER FOR CONNECTION BETWEEN POWER TRANSFORMER AND MAIN DISTRIBUTION PANEL. 1-IS BETTER WE USE CABLE? 2-IS BETTER WE USE BUS DUCT? my transformer rate power is 2500KVA
what is XF 200/240 V AC for Drawout Breaker.
what is power factor
what is residuel magnetism. and how order lead acid batteries for 24 volt. emergency lighting system.
What is mean by % impedance of transformer? detail explanations expected.
3) How earthing is done? How it measured? Write the method for earthing? How the earth resistance is kept low?
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