Answer / kevinjoh27@yahoo.com

core type transformer is commonly used for power transmission

how the direction relay sense rhe directional fault?it's forward or reverse?

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I am going to appear for the RRB Chennai junior Engineer online exam. Please send me the previous exams question papers (also solved) to my mail id: rrkhandhar@yahoo.com

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Why is the earth fault relay connected to the Yellow Phase?

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Dear sir, How to calculate 3.5 core pvc aluminium armoured cable meter wise carrying amps rating.Please give the solution with a good example.

0 Answers   Modi Builders,

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how to Select its CORE in electrical cables based on its applications? or Application of various types of electrical cable based on it CORE?

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factor to be considered for bus bar design

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I would like to install the largest KW alternator to a 200 amp aluminum bus box in my home. Is it possible to install a 250 KW 400v 251amp synchronous alternator to my home?

2 Answers  

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what is the working of vfd drives.

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We are having a 2000KVA DG set. It trips with Over speed and Engne Hot when the mahine is stopped in full speed. How shall I analyse the block load and reverse power.Is the problem related to power factor. The machine which runs on this DG is having all Synchronous motors with incividual Drives.

1 Answers  

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how electricity is generated through electeic generator ?

1 Answers  

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What is icu and ics in Acb and how many time icu or ics passes from breaker?

0 Answers   Engineering Vision,

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Best way to measure the Soil resistance of rocky soil, three probe method and four probe method

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