A generator feeds power to an infinite bus through a double circuit transmission line. A3 phase fault occurs at the middle point of one of the lines. The infinite bus voltage is 1 pu, the transient internal voltage of the generator is 1.1 pu and the equivalent transfer admittance during fault is 0.8 pu. The 100 MVA generator has an inertia constant of 5MJ/MVA and it was delivering 1.0 pu power prior of the fault with rotor power angle of 30 °. The system frequency is 50 Hz. The initial accelerating power (in pu) will be

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A generator feeds power to an infinite bus through a double circuit transmission line. A3 phase fault
occurs at the middle point of one of the lines. The infinite bus voltage is 1 pu, the transient internal
voltage of the generator is 1.1 pu and the equivalent transfer admittance during fault is 0.8 pu. The
100 MVA generator has an inertia constant of 5MJ/MVA and it was delivering 1.0 pu power prior of
the fault with rotor power angle of 30 °. The system frequency is 50 Hz.
The initial accelerating power (in pu) will be
Transcribed Image Text:A generator feeds power to an infinite bus through a double circuit transmission line. A3 phase fault occurs at the middle point of one of the lines. The infinite bus voltage is 1 pu, the transient internal voltage of the generator is 1.1 pu and the equivalent transfer admittance during fault is 0.8 pu. The 100 MVA generator has an inertia constant of 5MJ/MVA and it was delivering 1.0 pu power prior of the fault with rotor power angle of 30 °. The system frequency is 50 Hz. The initial accelerating power (in pu) will be
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