Power Systems In an induction relay for a particular current setting the operating time 4 sec. When the time multiplier setting is 0.8 if the time multiplier setting is rest to 1 the operating time is 5. 1. 10. un changed. 5. 1. 10. un changed. ANSWER DOWNLOAD EXAMIANS APP
Power Systems A power station has a maximum demand of 15 MW. The plant capacity is 20 MW. Find the reserve capacity of the plant? 10 MW 5 MW 15 MW 20 MW 10 MW 5 MW 15 MW 20 MW ANSWER DOWNLOAD EXAMIANS APP
Power Systems For some given transmission line the expression for voltage regulation is given by (Vs - Vr)/Vr *100%. Hence, this must be a short line this expression is true for any line None of these this may either be a medium line or short line this must be a short line this expression is true for any line None of these this may either be a medium line or short line ANSWER DOWNLOAD EXAMIANS APP
Power Systems Mechanical energy is supplied to a DC generator at the rate of 4200 J / S. The generator delivers 32.2 Amp at 120 V. How much energy is cost per minute of operation 20060 J. 23060 J. 25060 J. 20160 J. 20060 J. 23060 J. 25060 J. 20160 J. ANSWER DOWNLOAD EXAMIANS APP
Power Systems The positive, negative and zero sequence per unit impedance of two generators connected in parallel are X1 = 0.12 pu, X2 = 0.096 pu and X0 = 0.036 pu. For LG fault at generator terminals (with 1 pu voltage) the positive sequence current will be 8.936 pu 10.936 pu 9.936 pu 7.936 pu 8.936 pu 10.936 pu 9.936 pu 7.936 pu ANSWER DOWNLOAD EXAMIANS APP
Power Systems The method of neutral grounding affects the zero sequence network positive sequence network All of these negative sequence network zero sequence network positive sequence network All of these negative sequence network ANSWER DOWNLOAD EXAMIANS APP