EXAMIANS
Which of the following method is used for changing power factor from leading to lagging
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To protect the power transformer ( Y-Y with neutral grounded) against fault, which type of connection do the current transformers have?
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Under over excitation synchronous phase modifier works as
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If a generator of 250 MVA rating has an inertia constant of 6 MJ/MVA, its inertia constant on 100 MVA base is
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Where do compounding done in thermal power plants
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The surge impedance of a 400 km long overhead transmission line is 420 Ω. For a 200 km length of the same line, the surge impedance will be
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Which of the following matrix is used for load flow studies?
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NTPC (National Thermal Power Cooperation) has its only thermal power generating unit in West Bengal at
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Consider a three phase, 50 Hz, 11 kV distribution system. Each of the conductors is suspended by an insulator string having two identical porcelain insulators. The self capacitance of the insulators is 5 times the shunt capacitance between the link and ground. Find the voltage across the two insulators V1 and V2? (V1 = Voltage of disc nearest to the conductor)
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The function of a surge tank is to
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