Power Systems Per unit of any quantity is defined as actual value of quantity /base value of quantity in same units actual value of quantity /base value of quantity in different units base value of quantity /actual 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 same units actual value of quantity /base value of quantity in different units base value of quantity /actual value of quantity in same units base value of quantity /actual value of quantity in different units ANSWER DOWNLOAD EXAMIANS APP
Power Systems A 3-phase transmission line operating at Vs = 400 kV and has ABCD parameters A= D = 0.8∠0°, B = 100∠°90 Ω, C = 0.5*10^-6∠90° ℧. Find Charging current under no load? 1.144∠90° A/phase 0.144∠90° A/phase 0.512∠90° A/phase 0.344∠90° A/phase 1.144∠90° A/phase 0.144∠90° A/phase 0.512∠90° A/phase 0.344∠90° A/phase ANSWER DOWNLOAD EXAMIANS APP
Power Systems Consider a long, two wire line composed of solid round conductors. The radius of both conductors is 0.25 cm and distance between their centers is 100 cm. If this distance is doubled, then the inductance per unit length. Decrease but does not halves. Increase but does not doubled. Doubled. Halves. Decrease but does not halves. Increase but does not doubled. Doubled. Halves. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Galvanised steel is generally used as All of these stray wire. earth wire. structural components. All of these stray wire. earth wire. structural components. ANSWER DOWNLOAD EXAMIANS APP
Power Systems In relay coil which is used? Potential transformer. Power transformer. Instrument transformer. Current transformer. Potential transformer. Power transformer. Instrument transformer. Current transformer. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Load frequency control is achieved by properly matching the individual machines turbine inputs. generator ratings. generated voltages. reactive powers. turbine inputs. generator ratings. generated voltages. reactive powers. ANSWER DOWNLOAD EXAMIANS APP
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