why fault current always calculated for 1 seconds?

3 Answers   Coca Cola,

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What will be the current rating of Main switch for 80 kVAR panel

1 Answers  

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what is the minimum recommended leakage current of an earthed cable connected to the body or skid of an alternator

0 Answers  

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What is minimum phase system?

0 Answers  

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What is difference between AC and DC resistance

9 Answers   Eaton,

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what is resistor

9 Answers  

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What is the lifetime of a Thyristor? Is there a recommended lifetime for thyristors after which they should be replaced?

0 Answers  

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What is the rating of HT SUBSTATION and LT SUBSTATION?

11 Answers   NTPC, Sail,

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When Alarm report at LED,Alarm volatge is 11-13 Volt But LED is of 3 volt.then why not it burn?

0 Answers  

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The armature of shunt dc motor has 0.8ohm resistance and motor is to run on 120V circuit.If motor is suddenly thrown on circuit while armature at standstill then current drawn by motor will be??Also back emf in normal running is 110V

2 Answers  

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Sir, plz tell me the relation b/w KW and frequency in Variable frequency Drive?

2 Answers  

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I WANT HOW CALCULATE TO CABLE FOR WELDING PLANT ?

0 Answers  

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