GETCO Exam Paper (30-11-2008) An AC transmission line requires a VAR input: to improve the regulation to improve stability to increase power transmission to reduce losses to improve the regulation to improve stability to increase power transmission to reduce losses ANSWER DOWNLOAD EXAMIANS APP
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) The disadvantage of transmission lines as compared to cables is exposure to atmosphere hazards like smoke, ice, etc. exposure to lightening inductive interference between power communication circuits All of these exposure to atmosphere hazards like smoke, ice, etc. exposure to lightening inductive interference between power communication circuits All of these ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (30-11-2008) In distance protection, the relay measures _____ impedance of the line from relay up to the fault point. negative sequence zero sequence self positive sequence negative sequence zero sequence self positive sequence ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (30-11-2008) Isolaters used in transmission lines are capable of breaking no current fault current load current charging current no current fault current load current charging current ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (30-11-2008) An air blast C.B. is usually employed for _____ duty intermittent short instantaneous repeated intermittent short instantaneous repeated ANSWER DOWNLOAD EXAMIANS APP