Electrical problem

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Uploaded: 11.03.2015
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The three-phase network with line voltage Ul = 220 included motor windings connected in a "star". The power consumed by the motor P = 9kW. Line current IL = 50A. Draw a diagram of an electrical circuit. To determine the phase voltage Uf, the impedance of each phase, ZF, as well as the full S and reactive power Q, if cos = 0,8. To determine the phase currents IA, IB, IC. On graph paper to construct a scale vector diagram of voltages and currents. Construction of the vector diagram to explain. In the vector diagram to determine the current in the neutral wire.

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