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
13311 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

why humming sound occured in h HT transmission line

3 Answers

Can earth resistance be measured without connecting the earth electrode? and should earthing connections be disconnected What is the effect of connecting two cables of different sizes in parallel with supply? Thanks in Advance. I am intrested to get in touch with some tecnocrats/engineers,my mail i.d is : hiremathvijay@rediffmail.com

1 Answers

I HAVE A INCOMING 100A MCCB TPN 25KA, CABLE LENGHT OF 80M 70MM CABLE SIZE FROM MAIN SUBBOARD TO NEW DB.BASE ON THE FAULT LEVEL SETTING OF 45KA.I WOULD LIKE TO FIND OUT 25KA ENOUGH KA. APPRECIATE IF SOMEBODY CAN ASSIST ME WITH FORMULA FOR THIS. FRM: JEFF

0 Answers

mention the earthing system as per BIS?

1 Answers

how to check avr of dg set of 125kva

0 Answers

Hi.. I am a BE GRaduate in E&E. I have 8.5 Experience in Tendering & Estimation field. I have done SAP SD course few years back. But due to some reason i failed to get job in that field and continued my own field. Now I am thinking of changing into SAP seriously. How should i go ahead???

0 Answers

How to select HT/MV cable size ?

0 Answers

What is difference between dc three point starter and dc four point starter?

3 Answers Chettinad,

For 6600/433 distribution transformer we apply secondary side 433 volts how much voltage in primary side.

2 Answers

Dears we deal in Chemical are Plate earthing. Kindly call if any requirement and questions. Tech Earth Solutions Mohit Verma 8791071007

0 Answers XYZ,

What is the application of Dyn1 and Dyn11 vector group of transformer?

0 Answers

Wy transformer ratings are in multiple of 11 always?

2 Answers

For more Electrical Engineering Interview Questions Click Here