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The positive, negative and zero sequence impedances of a 125 MVA, three-phase, 15.5 kV, star-grounded, 50 Hz generator are respectively on the machine rating base. The machine is unloaded and working at the rated terminal voltage. If the grounding impedance of the generator is j0.01 pu then the magnitude of fault current for a b-phase to ground fault (in kA) is _______ (upto 2 decimal places).
    Correct answer is '73.52'. Can you explain this answer?
    Verified Answer
    The positive, negative and zero sequence impedances of a 125 MVA, thre...
    For LG fault, 

    = 73516.538 = 73.52kA
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    The positive, negative and zero sequence impedances of a 125 MVA, three-phase, 15.5 kV, star-grounded, 50 Hz generator arerespectively on the machine rating base. The machine is unloaded and working at the rated terminal voltage. If the grounding impedance of the generator is j0.01 pu then the magnitude of fault current for a b-phase to ground fault (in kA) is _______ (upto 2 decimal places).Correct answer is '73.52'. Can you explain this answer?
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    The positive, negative and zero sequence impedances of a 125 MVA, three-phase, 15.5 kV, star-grounded, 50 Hz generator arerespectively on the machine rating base. The machine is unloaded and working at the rated terminal voltage. If the grounding impedance of the generator is j0.01 pu then the magnitude of fault current for a b-phase to ground fault (in kA) is _______ (upto 2 decimal places).Correct answer is '73.52'. Can you explain this answer? for Electrical Engineering (EE) 2024 is part of Electrical Engineering (EE) preparation. The Question and answers have been prepared according to the Electrical Engineering (EE) exam syllabus. Information about The positive, negative and zero sequence impedances of a 125 MVA, three-phase, 15.5 kV, star-grounded, 50 Hz generator arerespectively on the machine rating base. The machine is unloaded and working at the rated terminal voltage. If the grounding impedance of the generator is j0.01 pu then the magnitude of fault current for a b-phase to ground fault (in kA) is _______ (upto 2 decimal places).Correct answer is '73.52'. Can you explain this answer? covers all topics & solutions for Electrical Engineering (EE) 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for The positive, negative and zero sequence impedances of a 125 MVA, three-phase, 15.5 kV, star-grounded, 50 Hz generator arerespectively on the machine rating base. The machine is unloaded and working at the rated terminal voltage. If the grounding impedance of the generator is j0.01 pu then the magnitude of fault current for a b-phase to ground fault (in kA) is _______ (upto 2 decimal places).Correct answer is '73.52'. Can you explain this answer?.
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