Answer / subharaj

PS Class CTs are used for Differential protection & 5P10
are used for other protection.

Answer / k. sankaraiah

calss 5p10 used for normal protection, but PS class used
for special protection. 5p10 is used for non balance
circuits but PS class used for balance circuit.where ever
circulating current is balanced at that time only Ps class
using.This can be used only two CTs are present. Ex.
Differential protection & REF.

Answer / k.prakashchandra

5P10 ct belongs to PS ct group,being specified

Answer / jonnalagadda chowdary

PS Class CTs are used for Differential,over current
protection(direct protection) & 5P10 are used for restricted
earth fault(indirect protection)

Answer / fikizolo

Theres basicly no difference, they both overcurrent protection CT's

Answer / chirag

class ps ct's are special class ct's which are used in
protection where high accuracy is required other than that
5p10 are used.accuracy of 5p10 is less than class ps ct's.

Answer / satya dev

Class PS CTs are used for Metering system & Class 5P10 used
for Protection

low voltage distribution is done by a)3 phase 3 wire b)3 phase 4 wire c)single phase

3 Answers  

what is meant by distance protection ? how distance protection relay function ?

1 Answers   ABB,

The cable area of cross section is 185 sq mm. How to convert this to the diameter.

7 Answers   Syscon,

What is current chopping in CB?

1 Answers  

how am i achived model paper to prepratio for bhel exam

2 Answers   Bhel,

what is the problem of generator over voltage.?except automatic voltage regulator card

2 Answers   Siemens,

What are the differences between single phase and three phase?

0 Answers   ABB, Essar,

Suppose a 3 phase, 2 pole, 440V induction motor is driving a flywheel of 600mm diameter, 150kg mass. By using v-belt and pulley, the speed is increased to 4500 RPM. What will be the effect on motor current?

0 Answers  

if only one generator is running in droop mode parrallel with grid and suddenly grid breaker off what will happen? It will trip o/u freq or stay as it is? (urgent)

10 Answers  

How the CT and PT ratings are calculated

5 Answers  

In case of 11kV dual delta bank what are the recommended protections with specific CT / VT requirements? The capacitor bank is to be connected to the main 11kV switchgear from where the H.V.Motors and auxiliary 440V loads.

1 Answers  

11kv alternator commissioning test?

2 Answers