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A three-phase symmetrical fault exists when all three line conductors are short-circuited, sometimes to earth (ground). An unsymmetrical fault occurs when only one or two of the three lines are involved.

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12y ago
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12y ago

Symmetrical faults are 3 phase faults i.e fault occurs on all phases at the same time symmetrically, Unsymmetrical faults involve one line to ground or two lines to ground

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Q: What are symmetrical faults?
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Why are symmetrical faults more severe than unsymmetrical faults?

In power engineering, specifically three-phase power, a symmetric, symmetrical or balanced fault is a fault which affects each of the three-phases equally.In power engineering, specifically three phase power, an asymmetricor unbalanced fault is a fault which does not affect each of the three phases equally.for these reasons thus symmetrical faults are more severe than the former. In power engineering, specifically three-phase power, a symmetric, symmetrical or balanced fault is a fault which affects each of the three-phases equally.In power engineering, specifically three phase power, an asymmetricor unbalanced fault is a fault which does not affect each of the three phases equally.for these reasons thus symmetrical faults are more severe than the former.


What is a symmetrical fault?

generally faults are of symmentrical and unsymmentrical faults that occur in majorly occurs in transmission lines........ the fault in electrical transmission line which give rise to symmetrical fault current is called symmetric fault. e.g; L-L-L-G fault. if they are in low values then system is said to be "protected" .... In order to avoid those NEUTRAL SHOULD GROUND with resistor or reactor etc,,,,,,,,...........


Is a arrow symmetrical?

is a arrow symmetrical


Is a trapezoid symmetrical?

No but an isosceles trapezoid is symmetrical.


Is the letter M symmetrical?

Yes, it is symmetrical


Are the three types of faults normal faults backward faults and slip faults?

No. Your terminology is close but not quite right. The three main types of faults are normal faults, reverse faults, and strike-slip faults. Strike-slip faults may also be called transform faults.


Is a pentagon symmetrical?

Pentagons can be symmetrical, but are not always so.


Why is the stomach not symmetrical?

The space it occupies isn't symmetrical.


Is a backwards c symmetrical?

It's horizontally symmetrical.


Is the White House symmetrical?

No the white house is not symmetrical


What are digits which are symmetrical?

3 and 8 are symmetrical numbers!


Is an octagon shape symmetrical?

yes it is a symmetrical shape