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Chapter 29
Consider a series R-L circuit. When the switch closes at a time equal to zero, it mimics a three-phase short circuit in an unloaded synchronous machine. ...
A three-phase short circuit test on an unloaded synchronous machine is conducted to study its impact. The AC fault current's oscillogram with its DC ...
In fault current analysis, transformers are modeled using leakage reactances, while transmission lines are represented by equivalent series reactances. ...
The calculation of subtransient fault currents for three-phase faults in an N-bus power system is modeled by the positive-sequence network. A three-phase ...
A circuit breaker interrupts fault currents by extinguishing the arc, which is elongated and cooled to stop the flow of electricity. Breakers are ...
A Y-connected synchronous generator, grounded via neutral impedance, is designed to generate balanced internal phase voltages with only positive-sequence ...
An ideal Y-Y transformer grounded via neutral impedances has per-unit sequence networks similar to a single-phase transformer when balanced positive or ...
Consider a single line-to-ground fault from phase a to ground at a three-phase bus, including a fault impedance. This impedance is zero for a bolted ...
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