how it can be decided what will be the rating of CT and PT
to be used in LT or HT cables?

Answer Posted / will

For PT -Designed on Nominal voltage
For CT- Total designed load current, moreover CT shall be
designed to bear the Momentary SC Current.

Is This Answer Correct ?    3 Yes 2 No



Post New Answer       View All Answers


Please Help Members By Posting Answers For Below Questions

what is the advantages of having in-built acvvvf (without seperate inverter in the control panel)in the drive system of elevators?

2823


What are the disadvantages of autotransformer?

645


What is the formulae of Megger value for a A.C.Motor

2287


How do i carry out or know the vector group of a Dyn1 and Dyn5 transformer

1547


What is meant by reactance voltage?

621






Two liquids hot and cold in two vessels are there and an metal bar acts as a conductor of heat between the two vessels. what happens then. what happens after 24 hrs?

1702


HOW TO CALCULATE THE HEAT AND LOAD OF LT-SUBSTATION WHICH CONTAINS 2*1MVA TRANSFORMERS,LT SWITCH BOARD,MLDB,ACB,BUSBAR,ETC...?

3481


Dear all, I'm manikandan I have done by DIPLOMA EEE from 2011 , I have 5 years of experience from Power plant instrumentation field , which one field is give long life & which one field is best ,I confused a lot and also I'm studying AMIE, can I choose which department from Section B examination? pls tell me

1182


one electromagnet is called

1420


sail kaott diploma ece ke interviw me qus.kis parkar ke aate hai aur G.S me kya puchate hai kya sameedyaan me kis parkar ke qu.puchate hai

2901


list the advantages of RCCB over other circuit breakers?

1262


Electronic circuit

602


what is the purpose of shading ring or shading coil in electrical equipments.

3950


What is CCM in Electrical ? where can we use this material?

934


What is the main use of rotary phase converter ?

611