what is the difference between control transformer and Potential transformer (PT)?

Answer Posted / k.prakashchandra

Potential tr is for measurement and control tr is for
supplying power to control and auxiliary equipments which
can not use the regular main supply.

Is This Answer Correct ?    2 Yes 1 No



Post New Answer       View All Answers


Please Help Members By Posting Answers For Below Questions

what is the star delta connetion and how can do it a three phase motor with control witing with picture

1814


I am using submission of two ct in one and half scheme for 67/67N protection. Both CTs star point is grounded separately near ct box.Will two point ground give wrong tripping to 67/67N during fault or no matter.

1656


Why Utility Distribution System in India is mainly at 11 kV? Why not Utility go for 33 kV?

1321


what is the relationship between current&voltage in practical purpose ?

4284


When are the directional relays used?

615






WHAT ARE THE DISADTAGES OF SINGLE-WIRE-EARTH-RETURN SYSTEM USED FOR RURAL ELECTRIFICATION?

1489


How to calculate multiplication factor in kva example 500kva ans pls ?

1397


There are Two questions about Steam Turbine Generator... What is HRSG bypass of LP, HP used for in power generation? In particualar, in the event that fault of HP bypass, there would be STG TRIP in operation but none on the LP bypass fault...what's the reason ?

1820


I have 4 busbar of 1000 ampere. we use 4 busbar to make 4000 ampere in one phase.my problem is that when we applied 60% load on that then busbar produced high noise.what is the reason of that and how can i minimize that noise.

1297


what is the formula to calculate voltage drop/loss on 66KV Transmission Line?

3229


Can XLPE/SWB/PVC (P3) 7C X 2.5mm2 be replaced by Can XLPE/SWB/PVC (P2) 7C X 2.5mm2??? P3 vs P2

1367


What test must you do before powering up a circuit that you have been working on?

1393


plz tell me,ht and lt panel terminals in substations explain beiefly

2350


do anyone out there know where to find a compleete list on acronyms/abbreviations used in offshore electric engineering. MCB - Micro Circuit Breaker, MCCB-Mouldes Case Circuit Breaker, ELCB-Earth Lekage Circuit Breaker, ELMCB- etc.....

1577


Define end float in a motor?

5480