suppose we using 3 phase motor of 440 v means what range
of C.T. is require for measuring current ?

Answer Posted / ashish khamparia

for C.T. rating we should have motor rating in kw. so that
we calculate the load.

Is This Answer Correct ?    14 Yes 0 No



Post New Answer       View All Answers


Please Help Members By Posting Answers For Below Questions

What are books to be referred for KPTCL exam?

3233


What is the universal motor?

654


What is the accepted limit to increase the choosen transformer capacity over the load and why ?

2711


what are the major & minor faults that occur in an inverter and in UPS ? And how to repair and resolve them ?

1838


How may I get the maximum current capacity for a particullar size Alluminum or Copper cable if there is compulsion to use?

1458






how open delta PT works & what is its construction?

1767


1. Can a 12v DC choke operate a 60v/12w PL lamp ? 2. Can a 230v ballast fire / operate a 60v/12w PL lamps.

1772


why does a dc machine has high efficiency while working as a generator than as a motor ..

1490


what is the circutor?why we use it ?

1841


what is the efficiency of thyristor

1130


sir, i'm preparing for hpcl exam officer trainee pls tell me how the exam ques paper pls pls

1790


What is the maximum operating temperature for a thermoplastic insulated cable?

665


What current position are you holding in your current company?

1624


When we have earthing mesh or underground earthing network in industrial plants, weather we have NT-S or NT-C-S kind of earthing system, so eventually weather we must use 4 or 5 wire in 400 volt level (For example 3×150+70 mm2 or 5×150 mm2) in this connection I would like to know exactly the paragraph of IEC or IEEE number

1703


how to erect roof control panel?

1540