GETCO Exam Paper (30-11-2008) Power system A is operating in parallel with other systems and has a frequency bias of 50 MW/0.1 Hz. For a loss of generation in one of the interconnected systems resulting in a frequency drop of 0.02 Hz, system A should provide 20 MW of support provide 10 MW of support provide 30 MW support not be affected provide 20 MW of support provide 10 MW of support provide 30 MW support not be affected ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (30-11-2008) Steady - state stability limit of a power system means that the system is capable of maintaining All of these the frequency at 50 Hz exactly a constant power flow throughout synchronism between machines and on external tie lines All of these the frequency at 50 Hz exactly a constant power flow throughout synchronism between machines and on external tie lines ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (30-11-2008) Transient stability of a power system depends on All of these the short circuit ratio of generating units the strength of transmission network fault-clearing time All of these the short circuit ratio of generating units the strength of transmission network fault-clearing time ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (30-11-2008) Dynamic stability characteristics are predominant in the period both (b) & (c ) between the time the governors start reacting and when the steady-state stability is reached immediately following a loss of load while governor is in action both (b) & (c ) between the time the governors start reacting and when the steady-state stability is reached immediately following a loss of load while governor is in action ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (30-11-2008) If a power system is transiently stable, it will oscillate beyond the first swing is always dynamically stable may be dynamically unstable both (a) & (c ) will oscillate beyond the first swing is always dynamically stable may be dynamically unstable both (a) & (c ) ANSWER DOWNLOAD EXAMIANS APP
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