What is the meaning of CT 40/5, 100/5 or in HT lines
100/1 ????????
- 3 Answers
- 23285 Views
- Amex, I also Faced
- E-Mail Answers
Answer Posted / sripellirajukumar
ya
this is sripellirajukumar
the meaning CT 40/5,100/5,or 110/1 is as follows
HT lines and also any other transmission lines will be
operated with high current ratings..like
100,200,....depends on the requirement of the load..
so we can not measure those high currents directly with low
range ammeters..
so we can use current transformers (CT)in series with the
lines of having high current carrying capacity to measure
the high currents..
CT 100/5 means we can measure 100 amps current by using low
range 5amps ammeter..i.e..here current transformer is acts
as step up transfomer so the current will be less at the
secondary terminals...
that means primary of the ct is connected in series with
the operating line and the secondary of the CT is connected
to the low range ammeter..in CT s turns ratios will be
there...so we can measure high currents very easily with
those CT turns ratio settings...
and above procedure is also same for 40/5,100/1....
thank you.....
| Is This Answer Correct ? | 49 Yes | 3 No |
Post New Answer View All Answers
define the non synchoronism of synchoronous machine in general g or m??
What does the term power factor shows?
Haw to check conductivity of budbar
What is the Nyquist criterion regarding control systems?
how to select the no. of brushes in a lap winding?
i karmveer bharti persuing b.tech . plz send me syllabus and name of reference books. for preparation of section eng.
how many parameters can integrate with fire alarm basically ?
Rules and standards of electrical control wiring ?
THERMAL CAPACITANCE IS MEASURED IN..................................................
What is the size of a 60 watt and 80 watt tubelight?
What is the effect on in Zone and out zone fault if Phase side CT is Vk/2<30 mA and Neutral side is CT is Vk/4<30 mA for Transformer REF protection
explain the what is a drive ? 0 4 which type motor r use in the celling fan..... PCB plannet 2 13 If stator & rotor of a 3-phase induction motor have different no. of poles, will the motor run or not?? types of drives Why dc supply is used for closing and tripping coil of ht breakers. What happen if we use only ups ac supply only. ACC 1 41 how the 3phase induction motor is running in 2phase supply with help of capacitor? 1 33 what is the actual difference betwen constructional details and constructional features? 1 20 how does commutator convert a.c to d.c?
what do u understand from filter factor of reactor?
how to size H.T & L.T Panel ?
What is the criteria for selecting the voltage classes of an AC Induction Motor.The KW rating above/below which ht/lt selection is made may be provided in details.
