why secondary of c.t. will kept open ?

Answer Posted / romeo

The secondary of ct is never open. It is always in a closed
circuit as connected to another coil that produces magnetic
force to cause deflection (The more current passing thru
the primary is the more magnitude of force to cause
deflection to the needle) to the needle used in reading
amperes such as ammeter thus serving the purpose of ct, to
be able to measure current.

Is This Answer Correct ?    11 Yes 8 No



Post New Answer       View All Answers


Please Help Members By Posting Answers For Below Questions

in dc shunt motor if field winding is shorted then

1362


Can RCD's used to protect the VVVF drive if not why.

1715


how we decide the require size is this for a known current at fuu load?

1426


i am electrical and elctronics engg passed out in 2009 want to attend for reliance placements.plz send me apttitude ,technical and hr question answers to my mail plz. my mail id-kat.bindas@gmail.com

1553


WHTA IS LIMT OF LEAKGE CURRENT OF 11 KV 1 CORE 1000SQ.MM. XLPE CABLE.LOAD ON CABLE IS AROUND 600AMP .LENGTH 500 MTRS.

1657






If we need4× 50mm sq cable but it's not available so we can pull 4×25mm sq 2cables

892


what is the effect of vector group while phase sequence of a generator changes,whether the vector group changes or not

1608


What are the types of excitation system?

1466


What is mean 2XWY

1977


What is the effect of solar radiation on the design of an Isolated Phase Busduct?

1850


why do we have spikes enough to burn electronic boards, when generators are not grounded

1315


what is meant by CT`s saturation ? Can we use Metering CT`s with Protetection CT`s ?

1659


What will happen to the protection and metering, if the polarity of a single or two PT/PTs in three phase system is reversed? Please provide reference if any.

1714


What is the pro & con of having 11kv & 33kv incoming, and what is the adv & disadv. of converting from 11kv to 33kv.

2385


For overhead protection we use which transformer?

1932