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A 3-phase transmission line is 200km long. The line has a per phase series impedance of 0.25+j0.45 Φ/km and shunt admittance of j7.2ΦS/km. The line delivers 250MVA, at 0.6 lagging power factor and 120V to a 3-phase load.
a) Determine ABCD parameters of the line.
b) Find the sending end voltage, sending end current, voltage regulation and the efficiency of the line.
c) Determine the capacitance per-phase of the Y-connected capacitors to adjust the power factor of the load to unity and calculate the voltage regulation and the line efficiency in this case.
Why earthing is required for any electrical equipments, domestic installation and service building etc? For TL coaches what is the minimum I.R. value needed for new wiring? An
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The Problem Based Learning is an approach to learning prepares the students to engage with challenges similar to real world problems.The VEB3001-Problem Based Learning has been an
Explain the various modes in which DMAC works. Working of Direct memory access controller: The modes of operation has demand mode, block mode, single mode and cascade mode.
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find current across r3 with two voltage as sources
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Insulators have (A) A full valence band. (B) An empty conduction band. (C) A large energy gap. (D)All the above. Ans: Insulators have a large energy gap.
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