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ECE_320_Homework6

ECE_320_Homework6 - and is sinusoidally distributed The...

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ECE 320 Spring 2008 Homework # 6 Due March 12 This homework assignment will require you to use some mathematical software. MATLAB is recommended here since it is the most widely used in electrical engineering °eld . Problem 1 Three currents are given below: Calculate the current space vector and plot its real vs. imaginary part for 0 ° t ° 0 : 02 s: i 1 = 5 p 2 sin(314 t ) + p 2 sin(1517 t ) i 2 = 5 p 2 sin(314 t + 2 ° 3 ) + p 2 sin(1517 t ± 2 ° 3 ) i 3 = 5 p 2 sin(314 t ± 2 ° 3 ) + p 2 sin(1517 t + 2 ° 3 ) Problem 2 An electrical machine has three identical windings, each has a total of 700 turns
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Unformatted text preview: and is sinusoidally distributed. The three windings are displaced 120, and each carries a current of 5A RMS at 60Hz. The rotor-stator air gap is 2 mm . 1. Calculate the space vector of the three currents as a function of time and plot its real vs. imaginary part for & t & : 02 s: 2. Calculate the &ux density wave in the air gap. 3. Calculate the voltage induced in one of the three windings. 1...
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