Answer / sreenu

For Aluminum bus bar, multiply 0.6 X breadth X thickness to
get current carrying capacity.

For copper bus bar, multiply 1.2 X breadth X thickness to
get current carrying capacity.

Answer / shri

Bus bar current rating in normal is calculated based on incommer braker rating.
For ex: 800A MCCB incommer
Then bus bar rating will be 800/0.8
I.e 1000A Al bus bar.

Answer / arvind

current capacity is depend on current and how much current
capacity do you want to take.

In ups static switch if i gives the supply at output end it will open the circuit in stactic switch or not if it will open then how it operates.

0 Answers  

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State the types of distortions in amplifier?

0 Answers  

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What is the % number of various buses in a typical power system?

2 Answers  

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with out colour codeing on conductor how can be find what is r,what is b,what is y phases.....

0 Answers   Divis Laboratories,

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HELLO EVERYONE, I RECENTLY HAVE FOUND ONE PROBLEM, I WAS TAKING NO LOAD TRIAL OF AN HT MOTOR 920 MOTOR , 1440 RPM , 6.6 KV, WITH AUTO TRANSFORMER. AT 450 V, LOAD WAS 40 AMP AND SPEED WAS 250 RPM. BUT AS WE INCREASE VOLTAGE FROM 450 TO 480V, LOAD BECOME 41 AND SPEED REDUCED TO SOME RPM . SO WHICH PHENOMENON ACTED HERE FOR REDUCING SPEED.?? AND IS IT HAPPENING ALWAYS OR IT IS RARE? I ALSO HAVE FACED SUCH PROBLEM WITH FEW LT MOTOR ALSO.

0 Answers  

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Pole of s-plane gives the information about?

2 Answers   CCP,

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what is mean by hvdc transmission technology .what is principle of hvdc transmission and technic of hvddc transmission .

1 Answers  

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what is the principle of synchronous motors?

3 Answers   The Grand,

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can we synchronize star system generators with delta system generators?

2 Answers  

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What is nichols chart?

0 Answers  

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why substation ratings are multiple of 11 means 11\33 kv substation

6 Answers  

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why transformer is rated in kva?

2 Answers  

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