ELECTRICAL WIRING:RESIDENT.-TEXT (PB)
ELECTRICAL WIRING:RESIDENT.-TEXT (PB)
19th Edition
ISBN: 9781337116213
Author: MULLIN
Publisher: CENGAGE L
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Chapter 21.1, Problem 11R
To determine

Explain whether the branch circuit of waste disposer is required to be provide with AFCI protection or not.

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Question Two A generating station consisting of two generators, one of 20 MVA, 11 kV, 0.18 pu reactance with the unit transformer of 20 MVA, 11/132 kV, 0.08 pu reactance, another of 30 MVA, 11 kV, 0.18 pu reactance with the transformer of 30 MVA, 11/132 kV, 0.12 pu reactance, transmits power over double circuit 132-kV transmission line. Each line is having reactance of 120 ohms per phase. Determine the fault current supplied by the generators to a three-phase solid fault on the 132-kV bus-bar at the receiving end. Neglect pre-fault current and losses. Assume pre-fault generated voltages at rated value.
4v+9v+8v=-3v+6v',-5v, where vi and vo are the input and output voltage, respectively.
I decided to focus on the magnitude where I do the normalization on low and high pass and have the bandpass as dB(dB(decibel), with frequency cutoff, I manage to get accurate but have trouble controlling the frequency cutoff accurately and the bandbass isn't working properly. As such I need help.My Code:  % Define frequency range for the plot f = logspace(1, 5, 500); % Frequency range from 10 Hz to 100 kHz w = 2 * pi * f; % Angular frequency   % Parameters for the filters R = 1e3; % Resistance in ohms (1 kΩ) C = 1e-6; % Capacitance in farads (1 μF) L = 10e-3; % Inductance in henries (10 mH)   % Transfer functions H_low = 1 ./ (1 + 1i * w * R * C); % Low-pass filter H_high = (1i * w * R * C) ./ (1 + 1i * w * R * C); % High-pass filter H_band = (1i * w * R * C) ./ (1 + 1i * w * L / R + 1i * w * R * C); % Band-pass filter   % Cutoff frequency for RC filters (Low-pass and High-pass) f_cutoff_RC = 1 / (2 * pi * R * C);   % Band-pass filter cutoff frequencies f_lower_cutoff = 1 / (2 * pi *…
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