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