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 10 MW of support provide 20 MW of support not be affected provide 30 MW support provide 10 MW of support provide 20 MW of support not be affected provide 30 MW support 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 the frequency at 50 Hz exactly All of these synchronism between machines and on external tie lines a constant power flow throughout the frequency at 50 Hz exactly All of these synchronism between machines and on external tie lines a constant power flow throughout ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (30-11-2008) Transient stability of a power system depends on the short circuit ratio of generating units All of these the strength of transmission network fault-clearing time the short circuit ratio of generating units All of these 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 while governor is in action immediately following a loss of load between the time the governors start reacting and when the steady-state stability is reached both (b) & (c ) while governor is in action immediately following a loss of load between the time the governors start reacting and when the steady-state stability is reached both (b) & (c ) ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (30-11-2008) If a power system is transiently stable, it may be dynamically unstable is always dynamically stable both (a) & (c ) will oscillate beyond the first swing may be dynamically unstable is always dynamically stable both (a) & (c ) will oscillate beyond the first swing ANSWER DOWNLOAD EXAMIANS APP
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