what is the CT of protection and CT of metering ? what is
class 5P10 & 5P20 and class PS ?
- 16 Answers
- 125305 Views
- JEE Main, ONGC, VRA, I also Faced
- E-Mail Answers
Answer Posted / saravanan
Two type of core in ct,
1,protection core
2,metering core
protection core; only for protect the equipment used to
relay based.
metering core : this is only for showing the current in
ammeter .
In different type of class in CT 5p10,5p20 And ps it is
used for protection purpose only ,
5-accuracy class.
p- protection
10-10% error.
20-20% error.
protection class:it is calculated by the knee point voltage
test.
| Is This Answer Correct ? | 15 Yes | 59 No |
Post New Answer View All Answers
How can we design a HVAC Plant room which includes AHU,FCU,Chillers,Cooling towers, Pumps etc & how will they work? any Drawing if possible?
What do you mean by reach and reach the point of the relay?
how can see the ac indoor or out door ac which Tr
armature is that part in which current is induced since in dc motor we supply current to the conductor so why we call it armature?
how the characterstics of control valve being done
what is the requirement regarding earthing of Single conductor with AWA
I want to do a mini project. Now I'm studying in 6th semis tor EEE Engineering.
sir plz send some previous year questions of jspl.
why generator efficiency is more in swinburnes test?
if i get a drop in my 1st year and the i clear my 2nd year and 3rd year all clear and i dont have any back logs so can i be able to sit in campus selection??
what is differnce btwen lll and lllg faults
What is the theoretical reason for the size of a zig zag grounding transformer to be 1.732 times less than that of a wye-delta grounding transformer used for the same application?
How to derive detailed design of Suitable bus Bar for 100A for 6.6KV?
what are the reasons of CT circuit faulty in busbar protection scheme?
WTA used cb?
