Answer / piyush rana

But for which purpose it is used & how to install it?

Answer / vikas

core balance circuit breaker in normal case no current flow through three phases hence output zero. at abnormal condition condition trip circuit breakers .

Answer / anil

CBCT is core balance CT. In normal conditions and phase
faults conditions (3ph or ph-ph) the output of the CT is 0.
In case of earth fault only there will be current which
will operate a relay and trip CB as for other protections.

Answer / lakshmi narayanan

IT IS USED FOR EARTH FAULT ..IT WAS INSTALLED IN MAIN
INCOMER PANEL,,,COST AROUND 20K TO 25K...IT IS MY 20 YEARS
EXPERIANCE

Whag is the PS class of accuracy of CT?

3 Answers  

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Explain Clearly Pahase and Neutral?

7 Answers  

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how we calculate the motor rating of pump for water suction ?its any formula for that plz give thank u

3 Answers  

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Is there any option to replace two Genset of capacity 125KVA with one higher capacity for same office?

8 Answers  

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where does 22kv line starts

0 Answers   Eskom,

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

0 Answers  

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how we can improve power factor from 0.8 to 0.85 or 0.9 & how we identify its either lag or lead ? thank you

7 Answers  

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Explain what is electric traction? Explain few advantages of electric traction system?

0 Answers  

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TRANSFORMERS WITH DC SUPPLY

0 Answers  

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installation of subsatation of33kv

0 Answers  

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Why are tertiary windings used in transformers?

2 Answers  

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does the power factor of an induction motor improve upon used in parallel with a synchronous condenser , used commonly to provide a leading kva ?

1 Answers  

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