Power Systems The per unit impedance Z(pu) is given by ZΩ* (MVA)b/(KV)²b ZΩ* (MVA)b*100/(KV)²b ZΩ* (MVA)b/((KV)²b *100) ZΩ* (kVA)b/(KV)²b ZΩ* (MVA)b/(KV)²b ZΩ* (MVA)b*100/(KV)²b ZΩ* (MVA)b/((KV)²b *100) ZΩ* (kVA)b/(KV)²b ANSWER DOWNLOAD EXAMIANS APP
Power Systems If L and C are 4 mH and 0.0001 μF respectively a current chop of magnitude 50 Amp would induced a voltage 50 kV. 400 kV. 100 kV. 200 kV. 50 kV. 400 kV. 100 kV. 200 kV. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Load frequency control is achieved by properly matching the individual machines turbine inputs. reactive powers. generator ratings. generated voltages. turbine inputs. reactive powers. generator ratings. generated voltages. ANSWER DOWNLOAD EXAMIANS APP
Power Systems The skin effect shows that current density is more at the centre of the condutor current density is more at the surface of the condutor the distribution of AC current is uniform through the cross section of the conductor current density is lower at the surface of the condutor current density is more at the centre of the condutor current density is more at the surface of the condutor the distribution of AC current is uniform through the cross section of the conductor current density is lower at the surface of the condutor ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following is/are advantages of N-R method? Time taken for each iteration is less Applicable for large power system network both 1 and 2 Number of iterations are less Time taken for each iteration is less Applicable for large power system network both 1 and 2 Number of iterations are less ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following relays is/are unit protection relays? Buccholz relays Differential relays both 1 and 2 over current relays Buccholz relays Differential relays both 1 and 2 over current relays ANSWER DOWNLOAD EXAMIANS APP
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