Power Systems The per unit impedance of a circuit element is 0.30. If the base kV and base MVA are halved, then the new value of the per unit impedance of the circuit element will be 0.0030 0.30 0.60 0.0060 0.0030 0.30 0.60 0.0060 ANSWER DOWNLOAD EXAMIANS APP
Power Systems Asynchronous tie line is a None of these AC transmission line DC transmission line either 1 or 2 None of these AC transmission line DC transmission line either 1 or 2 ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following statements is/are true regarding HVDC? All of these There is no skin effect in dc line HVDC can utilize earth for its return path Corona loss is very much reduced in the dc line All of these There is no skin effect in dc line HVDC can utilize earth for its return path Corona loss is very much reduced in the dc line ANSWER DOWNLOAD EXAMIANS APP
Power Systems The ABCD constants of a 3-phase transmission line are A = D = 0.8∠1°, B = 170∠85° Ω , C = 0.002∠90.4° ℧. The sending end voltage is 400 kV. The receiving end voltage under no load condition is 600 kV 350 kV 500 kV 400 kV 600 kV 350 kV 500 kV 400 kV ANSWER DOWNLOAD EXAMIANS APP
Power Systems The presence of earth in case of overhead lines decrease capacitance increase inductance increase capacitance decrease inducatance decrease capacitance increase inductance increase capacitance decrease inducatance ANSWER DOWNLOAD EXAMIANS APP
Power Systems The unit protection scheme provides primary protection. back up protection. simultaneous protection. remote protection. primary protection. back up protection. simultaneous protection. remote protection. ANSWER DOWNLOAD EXAMIANS APP
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