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 23060 J. 20160 J. 25060 J. 20060 J. 23060 J. 20160 J. 25060 J. 20060 J. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Peterson coil is used in case of transmission line for reduce ferranti effect increase the voltage level improve power factor compensation of arcing grounds reduce ferranti effect increase the voltage level improve power factor compensation of arcing grounds ANSWER DOWNLOAD EXAMIANS APP
Power Systems Per unit of any quantity is defined as base value of quantity /actual value of quantity in same units actual value of quantity /base value of quantity in same units base value of quantity /actual value of quantity in different units actual value of quantity /base value of quantity in different units base value of quantity /actual value of quantity in same units actual value of quantity /base value of quantity in same units base value of quantity /actual value of quantity in different units actual value of quantity /base value of quantity in different units ANSWER DOWNLOAD EXAMIANS APP
Power Systems The insulation resistance of the 20 km long underground cable is 8 MΩ. Other things being same, the insulation resistance of 10 km long cable will be 4 MΩ 16 MΩ 8 MΩ 32 MΩ 4 MΩ 16 MΩ 8 MΩ 32 MΩ ANSWER DOWNLOAD EXAMIANS APP
Power Systems Incremental cost of two generators Ic1 = 0.2 P1+60, Ic2 = 0.3 P2+40 and the ratings of the generator are 150 and 250 MW. Find the load sharing of each generator for a load of 200 MW? P1 = 120 MW, P2 = 80 MW P1 = 100 MW, P2 = 100 MW P1 = 80 MW, P2 = 120 MW P1 = 60 MW, P2 = 140 MW P1 = 120 MW, P2 = 80 MW P1 = 100 MW, P2 = 100 MW P1 = 80 MW, P2 = 120 MW P1 = 60 MW, P2 = 140 MW ANSWER DOWNLOAD EXAMIANS APP
Power Systems Load frequency control is achieved by properly matching the individual machines generator ratings. reactive powers. generated voltages. turbine inputs. generator ratings. reactive powers. generated voltages. turbine inputs. ANSWER DOWNLOAD EXAMIANS APP
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