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Course: Electrical Power System 2 12110423
Title: Three phase Symmetrical Faults-L2-P1
Dr. Mahmoud Ismail
Three Phase Symmetrical Faults
Circuit beaker Ratings and thevenin equivalent reactance under SC
condition:
Three Phase Symmetrical Faults
Example:
The Short Circuit Impedance Matrix
Three Phase Symmetrical Faults
Example:
Three Phase Symmetrical Faults
Example:
1- Balanced fault at Bus 3:
Three Phase Symmetrical Faults
Example:
1- Balanced fault at Bus 3:
Three Phase Symmetrical Faults
Example:
2- Balanced fault at Bus 2:
Three Phase Symmetrical Faults
Example:
2- Balanced fault at Bus 2:
3- Balance fault at Bus 1: