Equal Area Criteria: Sudden Loss of One of Parallel Lines
Trending Questions
Q. A 3-phase, 50 Hz, synchronous generator has rating 200 MVA, The Kinetic energy of the machine at synchronous speed is 800 MJ. The machine is running steadily at synchronous speed and delivering 50 MW power at power angle of 10 electrical degrees. If the load is suddenly removed, assuming the acceleration is constant for 8 cycles, the value of power angle after 4 cycles is ___________electrical degrees.
- 11.81
Q. A generator with constant 1 pu terminal voltage supplies power through a step-up transformer of 0.10 reactance and a double circuit line to an infinite bus maintained at 1 pu. The steady state stability power limit of the system is 5.25 pu. If one of the double circuit line is tripped, then resulting steady state stability power limit in pu will be
- 3.57
- 2.32
- 1.58
- 2.00
