Why neutral has to switch on-off with phase in TN IT TT systems i.e neutral should be taken as fourth pole
As a safety measure , the tr is completely isolated
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what are the types used for alternator earthing,what will happen if more than two alternator is working in parallel with each having own system earthing.is there any possibility for circulating current in between two system.
On Which Pressure PRV is operated.
i want wipro vlsi placement pattern please send me
what happens if commutator is removed in an dc machine?
why the power cut problems occur in tamil nadu? may i know the exact reason.plz
We have three 33kv substations. All of them energised by same source.When i am checking the phase sequence between one substation to other substation (like R Phase to R Phase) by multimeter i am getting some voltage.Near to LT panels UPS panels are there. Can u explain whether any possible to happen like that. In Phase SEquencemeter is showing correctly in both substations. How is it happen. Explain me.Explain me communication signal will produce Phase difference on this case.
brief notes on ammeters
OUR METER READER TAKE READING OF INDUSTRIAL CONSUMER.THEY ALWAYS ASK HOW TO INCREASE POWER FACTOR FROM 60% TO 99 % TO AVOID PENALTY OF POWER FACTOR.
what is the healthy specific gravity of lead acid battery used in DG sets ?
3 Answers Bhushan Power Steel,
how much flux density of CRNO core
can we run a motor rated 50Hz,415vac,1440RPM At higher speed then rated on name plate with the help of VFD /drive on long term basis.wheater it will effect the motor life
how many test is necessary for 27mva transformer.
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