Welcome to EEE Interview Tips

For Your Pre-Professional Preparation!

Download EEEBooks

To Download Electrical and Electronics Ebooks click the "EEE Library" menu! Enjoy!!

EEE Interview Tips

Leave Your Comments, Views And Questions.

Learn to make Electronics

Burn things out, mess things up - that's how you learn to Make Electronics! Enjoyy!!

EEE Forum

Drop your Ideas, Thoughts, Questions and Comments!

October 11, 2012

What is Electrical Fault? Write down the causes & classification of fault.


Fault:
A fault in an electrical equipment is defined as a defect in its electrical circuit due to which the current is diverted to the un-intended path.

Causes:
Generally caused by breaking of conductors or failure of insulation
Other causes:
• Mechanical failure
• Accidents
• Excessive stresses

Fault Classification:
  • Open circuit - most common fault
  • Single line to ground fault - most common fault
  • Line to line fault
  • Double line to ground fault
  • Three phase fault – Dead short circuit
  • Three phase to ground fault – Rare fault
* Faults cannot be eliminated but can be minimized

Related Posts Plugin for WordPress, Blogger...