An overhead 3-phase transmission line delivers 5000 kW at 22 kV at 0.8 p-f lagging. The resistance and reactance of each conductor are 4Ω and 6Ω respectively. Determine
(i) Sending end voltage
(ii) Percentage regulation and
(iii) Transmission efficiency
ইলেকট্রিক্যাল এন্ড ইলেকট্রনিক্স ইঞ্জিনিয়ারিং (EEE)
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Find currents I and I1 in the following circuit.
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2.
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3.
State maximum power transfer theorem.
Maximum Power Transfer Theorem :
In electrical engineering, the maximum power transfer theorem states that, to obtain maximum external power from a power source with internal resistance, the resistance of the load must equal the resistance of the source as viewed from its output terminals.
4.
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5.
Show that a series RL circuit is a low pass filter if the output is taken across the resistor. Calculate the cut-off frequency (fc) if L = 2 mH and R = 10 kΩ.
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