what is the workimg of ct &pt?

Answer Posted / sanjay kumar

current transformer(ct)works to reduce the current for
measuring equipment or protection relay bcoz ct works as a
step up transformer.
potential transformer(pt)works to the voltage for measuring
equipment or protection relay bcoz pt works as astep down
transformer.

Is This Answer Correct ?    5 Yes 7 No



Post New Answer       View All Answers


Please Help Members By Posting Answers For Below Questions

Explain the advantages and disadvantages of thermal power plant?

612


Define transfer function?

744


what are the values of VRY,VYB,VBR,Vry,Vyb,Vbr,Vrn,Vyn,Vbn for Magenetic balance test of 100 KVA and 63 KVA Distribution transformer

2430


how electrical earthing maintenance done in industry?

1032


please send me the previous year's question papers of jindal GET exams

5518






As per the Anchor capstan motor specification, full load current is 200A. starting current is 1750 A and acceleration time is less than 8 seconds. Please guide for selection of cable size.

1435


if 6 earth pit value is 1.5 ohm then what should be the number of earth pit to make the value .8 ohm

1704


explain Density

651


i am completed in B.E(Electrical and Electronics Engineering) with 8 months experience in Quality Control Engineer at Bharathi Industries,Coimbatore.

1474


How convergengr of nr method is not dependent on selection of slack bus and how gauss siedel method depends?

1344


how to store the thunder power?

3765


1. what is usage for power factor in industries?? 2.why we need to monitor power factor??

6741


Can i replace Earth leakage relay to the faulty Earth Faulty Relay

1043


Explain how you intend to work under pressure to meet up with deadline target?

1930


from where the self excitrd induction generator get the power?why is the voltage regulation is poor of seig?

1719