Power Systems A transmission line has self and mutual impedances are 0.8 and 0 pu respectively. Find the positive, negative and zero sequence impedances respectively? 0.6, 0.6 and 0.6 pu 0.6, 0.6 and 1.2 pu 0.8, 0.8 and 0.8 pu 0.6, 0.8 and 1.2 pu 0.6, 0.6 and 0.6 pu 0.6, 0.6 and 1.2 pu 0.8, 0.8 and 0.8 pu 0.6, 0.8 and 1.2 pu ANSWER DOWNLOAD EXAMIANS APP
Power Systems The main objectives of electrical power transmission is/are Voltage regulation of the transmission line must be zero or minimum nether 1 nor 2 Transmission system must be more efficient with minimum line losses both 1 and 2 Voltage regulation of the transmission line must be zero or minimum nether 1 nor 2 Transmission system must be more efficient with minimum line losses both 1 and 2 ANSWER DOWNLOAD EXAMIANS APP
Power Systems The Y bus matrix of 100 bus interconnected system is 90% sparse. Hence the number of transmission lines in the system must be 250 900 500 450 250 900 500 450 ANSWER DOWNLOAD EXAMIANS APP
Power Systems String efficiency depends upon no. of SCR in the string. voltage rating of whole string. voltage rating of one SCR. all of these. no. of SCR in the string. voltage rating of whole string. voltage rating of one SCR. all of these. ANSWER DOWNLOAD EXAMIANS APP
Power Systems The insulation of the modern EHV lines is designed based on corona. the lighting voltage. the switch voltage. R × I. corona. the lighting voltage. the switch voltage. R × I. ANSWER DOWNLOAD EXAMIANS APP
Power Systems In relay coil which is used? Power transformer. Current transformer. Potential transformer. Instrument transformer. Power transformer. Current transformer. Potential transformer. Instrument transformer. ANSWER DOWNLOAD EXAMIANS APP