1. What does mean of "PS" stand for Diff. CT class? 2. What is the fo

1. What does mean of "PS" stand for Diff. CT class?
2. What is the formula of KW for 1Phase load inturms of
voltag,current & P.F.?

Question Posted / raj

4 Answers
13209 Views
Hero Honda, I also Faced
E-Mail Answers

Answers were Sorted based on User's Feedback

1. What does mean of "PS" stand for Diff. CT class? 2. What is the formula of KW for 1Pha..

Answer / bimal sahoo

PS stands for SPECIAL PROTECTION class

Is This Answer Correct ?

16 Yes

1 No

1. What does mean of "PS" stand for Diff. CT class? 2. What is the formula of KW for 1Pha..

Answer / bimal sahoo ( nit surat)

there are many secondary cores in a CT (4 or 5)
some for measuring some are used for protections.
in case of special protection the accuracy class defined is
known as SPECIAL PROTECTION CLASS or PS.
the product of VA burden and ALF(accuaracy limit factor) for
such a CT is around 150.

Is This Answer Correct ?

4 Yes

1 No

1. What does mean of "PS" stand for Diff. CT class? 2. What is the formula of KW for 1Pha..

Answer / darshan thakur

PS class ct is used for Differential protection for static
rely. At the place of 5P20.

Is This Answer Correct ?

4 Yes

1 No

1. What does mean of "PS" stand for Diff. CT class? 2. What is the formula of KW for 1Pha..

Answer / sandip gumtya

PS stand for Plug Setting.Its for use in relays.

KW-root3*Voltage*Current*Power Factor

Is This Answer Correct ?

3 Yes

22 No

Post New Answer

More Electrical Engineering Interview Questions

how induction motor starts?

4 Answers JSL,

In ac which gas will be use?

2 Answers

What is Scheme Test of High Voltage Switchgear. Which tests it includes.

0 Answers Siemens,

what is level 2 automation?

0 Answers

difference between a four point starter and three point starter

9 Answers

watt meter have 4 terminals what there name??? and what theses 4 terminals indicates ?? and why 2 terminals are short circuited??

1 Answers

how to calculate the loss tangent of electrical cables

0 Answers

what is the difference between 11kv and 13.8 kv? why we can't used one of these 2 sources?

2 Answers

How to calculate Battery back up time for a 400 AH Battery bank having a load of 20 Amps and charging time required to fully charge this battery bank?

2 Answers

In an electrical power supply,why if neutral phase of a 3phase supply fail over current occur but if it's single phase supply neutral phase fail low current occur?

1 Answers

WHAT DO U MEAN BY THERMAL OVER LOAD RELAY& WHERE THEY ARE BUSED

4 Answers L&T,

What is resistance of 50meters, 16sq.mm, single core copper cable?

0 Answers

For more Electrical Engineering Interview Questions Click Here