GETCO Exam Paper (30-11-2008) The symmetrical components are used in fault analysis because the sequence networks do not have mutual couplings the number of equations become lesser none of these the result are in terms of symmetrical components the sequence networks do not have mutual couplings the number of equations become lesser none of these the result are in terms of symmetrical components ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (30-11-2008) The function of a breather in a transformer is to control the level of oil in the tank to suppress harmonics to provide protection against over currents to arrest flow of moisture into the tank to control the level of oil in the tank to suppress harmonics to provide protection against over currents to arrest flow of moisture into the tank ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Function of breather is to extract moisture from air going into the conservator.it is small container filled with silica gel.silica gel in breather will be blue colour when installedsilica gel turn into pink colour when absorb moisture.
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 synchronism between machines and on external tie lines the frequency at 50 Hz exactly a constant power flow throughout All of these synchronism between machines and on external tie lines the frequency at 50 Hz exactly a constant power flow throughout ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (30-11-2008) If the folt current is 2000 A, the relay setting is 50 percent & CT ratio is 400/5, the plug setting multiplier is 25 15 50 10 25 15 50 10 ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (30-11-2008) Directional over current relays have two exciting coils connected across _____ secondary's of two _____ phases T., different T. & P.T., different T. & P.T., same P.T., different T., different T. & P.T., different T. & P.T., same P.T., different ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (30-11-2008) If the +Ve, -Ve & zero sequence reactances of an elements of a power system are 0.3, 0.3 & 0.8 p.u. respectively, the element would be transmission line synchronous motor static load synchronous generator transmission line synchronous motor static load synchronous generator ANSWER DOWNLOAD EXAMIANS APP