Power Systems A 3 - Φ, 33 kV oil circuit breaker is rated 1200 A, 2000 MVA, 3 s. The symmetrical breaking current is 35 kA. 3600 A. 1200 A. 104.8 kA. 35 kA. 3600 A. 1200 A. 104.8 kA. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Making and breaking currents of 3 phase AC circuit breakers in power system are respectively in what form? any of the above RMS and Instantaneous value RMS and RMS value Instantaneous and RMS value any of the above RMS and Instantaneous value RMS and RMS value Instantaneous and RMS value ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following statement is/are true?Zn The neutral grounding impedance Zn appears as Zn in zero sequence equivalent circuit nether 1 nor 2 The neutral grounding impedance Zn appears as 3Zn in zero sequence equivalent circuit both 1 and 2 The neutral grounding impedance Zn appears as Zn in zero sequence equivalent circuit nether 1 nor 2 The neutral grounding impedance Zn appears as 3Zn in zero sequence equivalent circuit both 1 and 2 ANSWER DOWNLOAD EXAMIANS APP
Power Systems A generated station has a maximum demand of 30 MW, a load factor of 60% and a plant capacity factor of 50%. The reserve capacity of the plant is 6 MW 12 MW 10 MW 5 MW 6 MW 12 MW 10 MW 5 MW ANSWER DOWNLOAD EXAMIANS APP
Power Systems High capacity generators and motors are of star connected with grounding network any of the above star connected network delta connected network star connected with grounding network any of the above star connected network delta connected network ANSWER DOWNLOAD EXAMIANS APP
Power Systems The equation of area control error(ACE) is ACE = ΔPtie - 1/b.Δf ACE = ΔPtie +1/ b.Δf ACE = ΔPtie + b.Δf ACE = ΔPtie - b.Δf ACE = ΔPtie - 1/b.Δf ACE = ΔPtie +1/ b.Δf ACE = ΔPtie + b.Δf ACE = ΔPtie - b.Δf ANSWER DOWNLOAD EXAMIANS APP
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