Answers were Sorted based on User's Feedback
Answer / krajeshkumar1989
bus pt means bus potential trnsformer
it is used to measure the voltage in the bus and it is very important at the time of synchronising.
|Is This Answer Correct ?||1 Yes||0 No|
Answer / chetan
PT is a potential transformer which is use to meassuremet
or metering of voltages.
|Is This Answer Correct ?||1 Yes||2 No|
Answer / deadzg_devil
Because in power stations large current flows thru the
cables n for measurement of currents or any fault the
apparatus required must be highly rated n it wud be costly.
Therefore PT's are used to step down the current to lower
levels for measuring them
|Is This Answer Correct ?||1 Yes||3 No|
why dimmerstate always connected in star connection? what will happen if it connected in delta?
i am trying to PSUs/govermeant jobs since last 2 years but still i m not success, plz help me.
How to calculate main incomer rating of APFC Panel ? Let's say i want to find main incomer for 11kV, 1000kVAR Panel.
why EMF IS INDUCED IN A CONDUCTOR WHEN FLUX LINKING WITH IT CHANGES ACCORDING TO FARADAYS LAW.
what is the earthing condition between earth & phase.
Sir if i have 2kv ups in which 17ah 8 battries load 600watts how much back up time i get and if i put 6kv ups with the same no of battries same amp can i get more back up time please give reply exactly what is the procedure to calculate back up time for different kv,s
Why do we mostly prefer to generate and distribute electricity in 3 phase and not in 4 phase or 5 phase?
in my working site. momentary jerck in electrical supply ocurred frequently which cause of multiple losses in our electrical equipements. how can we protect our electrical machines and equipements in this situation.
What is the purpose of reactor.why we used in over head line?
Define the overload capacity of the motor.
Minimum IR value of 1.1 kv grade 3.5c (300, 240,185,150,120,95,70,50,35,25) sqmm Aluminium XLPE cable and 4c (16, 10,6 & 4) sqmm cu arm cable between RY,YB,BR,RN,YN,BN,RE,YE,BE & NE.
In Single Phase AC Supply,If Voltage between Phase and Neutral is 230V means what will be the Voltage between Phase and Earth?