How to solve this Transmission line problem?

This question came in 2018 in my University's semester final. And I have no idea how to solve this or how to approach this 6 mark question. Please help me and thank you in advance.

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Power 1 Answer Mohammad Saiful Alam

Problem I A 440-V 50-Hz two-pole Y-connected induction motor is rated at 75 kW. The equivalent ci...


Problem I A 440-V 50-Hz two-pole Y-connected induction motor is rated at 75 kW. The equivalent circuit parameters are R1 0.075 ? R2:0.065 ? XM 7.2 ? Xi 0.17? X2 0.17? P FAW 1.0 kW For a slip of 0.04, find (a) The line current I (b) The stator power factor (c) The rotor power factor (d) The stator copper losses Psc (e) The air-gap power PA (1) The power converted from electrical to mechanical form Pm (g) The induced torque td (h) The load torque (i) The overall machine efficiency ? ) The motor speed in revolutions per minute and radians per second Pie 150 w Puee = 1.1 kW

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Power 1 Answer Tracy Faye Robles

Obtain the primary constants of the transmission line.

  1. A lossless Transmission line of 70Ω has a phase constant of 1.5 rad/m is used to transmit a signal of 0.6 GHz. Obtain the primary constants of the transmission line.
  2. An antenna has an electric field intensity of 283.5 V/m for free space calculate:
    1. Radiation density.
    2. Magnetic field density.
    3. Radiation intensity at 10 meters far from the antenna.

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Power 1 Answer Anonymous(s) Post