Power Systems At slack bus, which one of the following combinations of variables is not specified? P and Q V and δ P and V Q and V P and Q V and δ P and V Q and V ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following is/are the stator faults? over current Inter phase faults All of these failure of excitation over current Inter phase faults All of these failure of excitation ANSWER DOWNLOAD EXAMIANS APP
Power Systems Positive, negative and zero sequence impedances of line are 2,2 and 5 pu respectively. Find self and mutual impedances respectively? 3 and 1 pu 2 and 5 pu 2 and 2 pu 1 and 3 pu 3 and 1 pu 2 and 5 pu 2 and 2 pu 1 and 3 pu ANSWER DOWNLOAD EXAMIANS APP
Power Systems When is the ferranti effect on long overhead lines experienced? The line is lightly loaded The power factor is unity The line is fully loaded The line is heavily loaded The line is lightly loaded The power factor is unity The line is fully loaded The line is heavily loaded ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following is/are the methods of improving transient stability? Fast acting excitation control All of these Fast acting governing system Dynamic breaking Fast acting excitation control All of these Fast acting governing system Dynamic breaking ANSWER DOWNLOAD EXAMIANS APP
Power Systems The unit protection scheme provides back up protection. primary protection. remote protection. simultaneous protection. back up protection. primary protection. remote protection. simultaneous protection. ANSWER DOWNLOAD EXAMIANS APP
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