Power Systems The insulation of modern EHV is designed based on corona. lightning voltage. RI. switching voltage. corona. lightning voltage. RI. switching voltage. ANSWER DOWNLOAD EXAMIANS APP
Power Systems The presence of earth in case of overhead lines increase capacitance increase inductance decrease capacitance decrease inducatance increase capacitance increase inductance decrease capacitance decrease inducatance ANSWER DOWNLOAD EXAMIANS APP
Power Systems The insulator thickness on the conductor, in cables depends upon voltage reactive power current power factor voltage reactive power current power factor ANSWER DOWNLOAD EXAMIANS APP
Power Systems What type of back up protection is used for alternators? IDMT relay. Buchholz relay. Mho relay. Impedance relay. IDMT relay. Buchholz relay. Mho relay. Impedance relay. ANSWER DOWNLOAD EXAMIANS APP
Power Systems The neutral of 10 MVA, 11 kV alternator is earthed through a resistance of 5 ohms. The fault ready is set to operate at 0.75 A. The current transformers have a ratio of 1000/5. What is the percentage of the alternator winding is protected? 11.8% 88.2% 85% 15% 11.8% 88.2% 85% 15% ANSWER DOWNLOAD EXAMIANS APP
Power Systems Equal area criterion gives the information regarding relative stability absolute stability stability region swing curves relative stability absolute stability stability region swing curves ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS