DIFFERENCE BETWEEN TRANSFORMER AND CURRENT TRANSFORMER?

Answer Posted / sunil parmar

TRANSFORMER IS AN MACHINE USED FOR STEPPING UP AND DOWN OF
ELECTRICITY AND COMMONLY USED FOR EFFECTIVE TRANSMISSION
AND DISTRIBUTION PURPOSES.

AND CT GENERALLY KNOWN AS INSTRUMENT TRANSFORMER USED FOR
PROTECTION ,MEASUREMENT,AND FOR THE CONTROL PURPOSE.
IT ALSO PROVIDES ISOLATION BETWEEN THE HIGH VOLTAGE
TERMINAL AND METER TERMINAL.
DURING FAULT OR ABNORMAL CONDITION CT SENSES THE FAULT
CURRENT AND GIVES SIGNALS TO RELAY, AND RELAY TRIGGERS THE
CIRCUIT BREAKER.CT'S SECONDARY SIDE IS ALWAYS SHORT
CIRCUITED AND SEC. CURRENT RATING IS ALWAYS LESS ie.1,2,AND
5A

Is This Answer Correct ?    3 Yes 0 No



Post New Answer       View All Answers


Please Help Members By Posting Answers For Below Questions

how we decide scurt (disc) of insulator with respect to kv rating

2909


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

1690


why connecting surge unit in contactor coil

1373


WHAT IS MEANT BY DERATING OF THYRISTOR?

2457


Atwhat condition reverse power relay will act?

1794






What is the ideal position cooling fan inside the dc motor?

1642


1. What is maximum permissible distance between smoke detectors ? 2. How do we decide number of smoke detectors required in a large office, warehouse, hall etc ? 3. What should be maximum height of smoke detectors ? 4. Where do we use heat detector, optical smoke detector, temperature sensitive detector ?

2378


what are different types of electrical windings? i know the distributed winding ,concentrated winding etc but i want some detailed information, in what condition we will use distributed,concentrated windings what are the difference between them which is best, how induced emf changes by using different types of windings 20 hours ago - 1 week left to answer

1518


what is the difference b/w ATS and HTS?

1705


Define settling time.

716


explain different losses in a transformer.

647


any earth foult trip the relay but in welding time not trip by earth foult

2724


i want to know that how the height of Ct ,cvt ,LA calculated on the basis of creepage distance

2049


what are inductive and capacitive voltage transformers.what are their applications

1499


how to introduce yourself

1586