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What are the different types of faults which occur in a power system?

March 16, 2018 by

DWQA Questions › Category: (EE) Power System › What are the different types of faults which occur in a power system?
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admin Staff asked 5 years ago
2 Answers
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admin Staff answered 5 years ago

Answer: Although there are many types of faults which occur in a power system but the most common and dangerous faults in a power system are short circuits faults. Following are some short circuit faults occur in power system
1. Phase to ground (L-G)
2. Phase to phase (L-L)
3. Two phase to ground (L-L-G)
4. All three phase short circuited (L-L-L)
5. All phase to ground (L-L-L-G)

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admin Staff answered 5 years ago

Symmetrical Fault
1. Line – Line – Line Fault
2. L – L – L – G (Three-phase line to the ground fault)

Unsymmetrical Fault
1. Single Line-to-ground (L – G) Fault
2. Line-to-Line Fault (L – L)
3. Double Line-to-ground (L – L – G) Fault

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