what is fault level of power system ?
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Answer / dhiraj shringi
the power upto the fault in power system is known as fault
level power.
it is calculated by the following formula:
fault MVA= BASE MVA/PU IMPEDANCE upto fault level.
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Answer / mahesh sali
As per IEC std. Low voltage fault have decide as below
mentioned ranges.
For 50 KA / 65 KA at 1 or 3 sec.
for cal Fault current KA - ( KVAsc/ %sub transient
reactance ) *100
thanks
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