Power Systems Which of the following is/are the disadvantages of phase modifiers? Initial cost of synchronous phase modifier is higher It consumes both active and reactive power All of these It requires more maintenance because of running equipment Initial cost of synchronous phase modifier is higher It consumes both active and reactive power All of these It requires more maintenance because of running equipment 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 the shunt reactor required for compensating ferranti effect? 3000 Ω 2000 Ω 1500 Ω 500 Ω 3000 Ω 2000 Ω 1500 Ω 500 Ω ANSWER DOWNLOAD EXAMIANS APP
Power Systems For large plants of capacity for more than 15 MW, what type of cooling is used Water. Liquid. Air. Hydrogen. Water. Liquid. Air. Hydrogen. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Surge tank is kept very close to the spill way generator pen stock turbine spill way generator pen stock turbine ANSWER DOWNLOAD EXAMIANS APP
Power Systems Transmission line has a length of 300 km, operating at sending end voltage Vs = 1 pu, find the receiving end voltage(Vr) at no load? 1.098 pu 1 pu 0.098 pu 0.98 pu 1.098 pu 1 pu 0.098 pu 0.98 pu ANSWER DOWNLOAD EXAMIANS APP
Power Systems On what factors does the selection of a water turbine depend Nature of load. Speed. All of above. Working head. Nature of load. Speed. All of above. Working head. ANSWER DOWNLOAD EXAMIANS APP
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