With the use of MATLAB, find the expression for the waveform f (t) corresponding to a transform F (s) with a zero at s = −400, a simple zero at s = −1000, a double pole at s = j400, a double pole at s = −j400, and a value at s = 0 of F (0) = 2 × 10−4. Plot f (t).
The line-to-line voltage of a balanced wyeconnected three-phase source is given as 100 V. Choose VAB as the reference.
(a) For the phase sequence A–B–C, sketch the phasor diagram of the voltages and find the expressions for the phase voltages.
(b) Repeat part (a) for the phase sequenceC–B–A.
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