Answer / a.p.nanjappa

it is the contractor rating .
Refer to IEC standards as mention in the catalogs.
It is the recommendation of electrical standard to select
the device rating,type.

I WOULD LIKE NOW WHY WE CANT USE SOME CT FOR MESARING AND PROTECTION

2 Answers  

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Earth is a conductor or load?then ammeter connect to 3- phase supply,it shows the measurents or not?

0 Answers   UltraTech,

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What is the basic rule for block diagram reduction technique?

0 Answers  

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How you take care of a motor from over loading and what are the different overloading ratings of different motors?

4 Answers  

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what are the electrical components required for run the motor pump including safety components plz explain it how we can use such components .

2 Answers  

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earth also having a gravitational force (magnetic field of north and south)but it attracts any object compare to this theartifical magnetic cant perform same as earth why?

0 Answers  

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why we not using 230kv directly why we are stepping down and then stepping up

2 Answers   Siemens,

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How feedback transformer works to feedback power in Slip Power Recovery System

2 Answers  

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What is the maximum breakdown voltage of 11KVA and 66 KVA power line and how it is calculated?

0 Answers   Anglo Platinum, Narnarayan Electrical,

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If i connect aload to phase taken from one transformer and neutral from another what will happen.

2 Answers  

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what the purpose of protection signaling equipment in substation?

2 Answers  

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how to identyfy cable sizes?

4 Answers   IAF, Mylan,

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