What are instrument transformers?

Answer Posted / tushar gawas

instrument transformers are used to measure high voltage
&current usually in transmision system.
range of certain instrument used for measuring are
limited if it increase beyond limit the instrument gets
damaged.
to avoid this for high voltage & current instrument
transformers are used.
they are ciassified in two types.
1.current transformer.
2.potential transformer.

Is This Answer Correct ?    1 Yes 0 No



Post New Answer       View All Answers


Please Help Members By Posting Answers For Below Questions

why +24 v and -48 v give to BTS? If -48v protect from surge then why we not use -24 v?

1424


anyone please send transformer parameter design formulas & details of tap changer ? plz i have interview this week its more helpful for me ?

1441


in general it is observed in power stations, the tertiary winding is used in higher rating Y-Y auto transformer but not in Y-Y power transformer. is the tertiary winding is compulsory then why it is not using in power transformer 

1302


Explain thin film resistors and wire-wound resistors

643


Why using synchronising methed in DG's sets?

1728






why Induction Generators are not "Black start" ? and apart from WTGs where this types of generator are generally used?

2225


in basic 2 phase will short means tripping the power but spot welding 2 phase shorting but not tripping it will welded why.....(Q)

1509


what are the preventive maintanance actions taken for air circuit breaker? please answer me

1564


I am apply the AAI. So i want electrical sample question paper in technical with answer my id is vijayjobsmart@gmail.com

2210


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???

1478


at what basis/standard we have to arrive the current density of aluminium/ copper in busbar?

1666


why high speed tripping relay is used in protection circuit why not normal relay

857


for 11KV OH system what will be typical per KM "R" "L" "C" parameter. for 33KV OH system what will be typical per KM "R" "L" "C" parameter. for 33KV UG system what will be typical per KM "R" "L" "C" parameter.

1992


What will happen if the armature resistance is in minimum position and the field resistance is in maximum position while starting the motor

987


what is droop control?

1630