suppose we using 3 phase motor of 440 v means what range of C.T. is require fo

Categories >> Engineering >> Electrical Engineering
Suggest New Category

suppose we using 3 phase motor of 440 v means what range of
C.T. is require for measuring current , the rating of motor
is 1HP ?

Question Posted / kumar

5 Answers
9633 Views
I also Faced
E-Mail Answers

Answers were Sorted based on User's Feedback

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

Answer / navnit bhimani

CT is require for high rating of ampere for 1 HP please use
simple ampere meter.why u making ur cost high.

Is This Answer Correct ?

5 Yes

1 No

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

Answer / simon

1 HP=735.5W
735.5W=440V*1.67Amp
So no need of C.T U can use only AMETER.

Is This Answer Correct ?

3 Yes

0 No

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

Answer / virendra joshi

Navnit is Absulitly right for load of 1 HP the CT operated
meter is not required at all , direct loading is goodone

Is This Answer Correct ?

4 Yes

2 No

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

Answer / navmit bhimani

CT is requirted for capacity above the range of ammeterlike
Above 20 HP.

Is This Answer Correct ?

1 Yes

2 No

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

Answer / kumar

Tanku MR.Navnit Bhimani then above which HP U suggest to
use CT ?

Is This Answer Correct ?

0 Yes

2 No

Post New Answer

More Electrical Engineering Interview Questions

How to select a contactor? How many types of contactors are available

0 Answers TCS,

how much current does 3ph. 10 hp ac motor draw.

8 Answers

what is first ground fault & second ground fault. This is used in rotor protection of alternator.

1 Answers

what is the ka rating of mccb. and how it is decided .

3 Answers Napino,

WHAT IS THE ROLE OF ELECTRICAL & ELECTRONICS ENGINEER IN TCS.

2 Answers CTS, TCS,

Whats the type of current and potential transformers?

3 Answers

How grounding is different than earthings?

0 Answers

What r the specification furnishid in motor name plate?

5 Answers

To prevent the mal operation of a differentially connected relay while energizing a transformer, the relay restraining coil is baised with (a)second harmonic current (b)fifth harmonic current (c)third harmonic current (d)seventh harmonic current

2 Answers

how to calculate efficiency of voltage and current controlled welding transformer?

1 Answers

What is the Harmonics??????????

5 Answers

what purpose of the percentage impendance in transformer

3 Answers

For more Electrical Engineering Interview Questions Click Here