why the secondary current transformer cannot left open
Answer Posted / subbu
Since ct is step up transformer ,with secondary open , very high voltage will develop on secondary side. Due to this high voltage , secondary winding insulation will fail .this will lead to damage of secondary winding.
Is This Answer Correct ? | 8 Yes | 1 No |
Post New Answer View All Answers
How earthing/grounding done in aeroplanes and ships.
pls tel me the electric train traction motors name plate details like rpm,torue,voltage,amps,watts..ect..
Hi Everyone ! My Name is Hakim ullah khan please i need formula of Cable Rating because i want to calculate by self without check any Table Chart... Thank you.....
if main CT is of ratio 50/5, and meter CT is -/5 what will be overall multiplying factor of meter.PT is 11000/110 .
if we look on phasor of the transformer vaoltage is 180 oppsite at primary and the secondary so to improve a power factor is secondary should kept negative to improve it primary side means is -.90 became +.90 at other side
What is the current carrying capacity of 35sq.mm flexible cable?
how to select automotive wire by mathematical equation with given current, vlotage and resistance
why on delay timer used for fully automatic star delta starter?
what is proper capacitor placement? How to evaluate capacitor size?
what is difference between bus coupler and auto transfer switch
How do i carry out or know the vector group of a Dyn1 and Dyn5 transformer
How to arrange a hous hold earthing system to keep minimum earth resistance( below 7ohms).
when qty of cable being purchased is not sufficient according to the standard,what should the inspector do to ensure its quality according to the standard?
I want to do a mini project. Now I'm studying in 6th semis tor EEE Engineering.
why we r not earthed Control cable of C.T. terminals