A four-pole, star-connected, squirrel-cage induction motor operates from a variable voltage 50 Hz three-phase supply. The following results were obtained as the supply voltage was gradually reduced with the motor running ...
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Problem # 1: Given a sequence x(n) for 0≤n≤3, where x(0) = 1, x(1) = 1, x(2) = -1, and x(3) = 0, compute its DFT X(k). (Use DFT formula, don't use MATLAB function) Problem # 2: Use inverse DFT and apply it on the Fourier ...
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CASE STUDY This assignment consists of a written report of approximately 1000 words and any diagrams in which you are asked to critically compare different process methods used to achieve the same result and show an awar ...
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Question - (i) A star-connected, three-phase synchronous induction motor takes a current of 10 amps from a 415 volt supply at unity power factor when supplying a steady load. If the synchronous reactance is 5 ohms/phase ...
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Questions - Problem 1 - Given the sinuosidal voltage v(t) = 50 cos(30t+10 o ) V, find: (a) the amplitude V m (b) the period T, (c) the frequency f and (d) v(t) at t = 10 ms. Problem 2 - A current source in a linear circu ...
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Advanced Computational Techniques in Engineering Assignment - Optimisation For this assignment, you are required to carry out the process of attempting to solve different optimisation problems. For each question, you are ...
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Question 1: In the voltage regulator circuit in Figure P2.21, V 1 = 20 V, V Z = 10 V, R i = 222Ω and P z (max) = 400 mW. (a) Determine I L, I z , and I L , if R L = 380Ω. (b) Determine the value of R L , that will establ ...
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Assignment - Power Distribution System Transformers Complete your calculations, drawings, and answers, neatly handwritten on these sheets and hand in at the start of lecture in week 6. Absolutely no late submissions will ...
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Summative Assessment In 2017 SEJ101 assessment will consist of nine tasks that will develop a portfolio of your assessed work. Throughout the trimester you will have the opportunity for feedback on all nine tasks before ...
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Problems - Problem 1 - Find v 0 in the op amp circuit of Fig. 1. Problem 2 - Compute i 0 (t) in the op amp circuit in Fig. 2 if v s = 4 cos(10 4 t). Problem 3 - If the input impedance is defined as Z in = v s /I s , find ...
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