Required MATLAB solution ? The input to your Matlab code should be parameter of

Question

Required MATLAB solution ?

The input to your Matlab code should be parameter of the network, fault location, fault duration, and the breakers that are opened to clear the fault. If the fault is cleared by itself, put 0 as the breaker number that needs to be opened to clear the fault. The possible locations for fault are buse#1, 2, and 3, Your code should determine the critical clearing time for the fault at the location provided as input and also determines if the network is stable after fault clearance (the fault duration is provided as input) 2 X12 .. 0.20 = 0.30 3 x,,-0.15 x23 # 020 H-3.0 pu-s. pm-1.0 pu, and 1.0. The infinite bus receives 1.0 per unit real power at 0.95 pf. lagging 1) If a fault occurs at bus#3 a) Report the critical clearing time if fault is cleared by itself. b) Report the critical clearing time if fault is cleared by opening breakers# 4 and 5 c) Determine whether the system stays stable if the fault is cleared after 12 cycles by opening breakers# 4 and 5-Draw the diagram of the generator angle versus time

Explanation / Answer

sysA = 'idMechanicalSystem';
open_system(sysA)
% Set the model in the healthy mode of operation
set_param([sysA,'/Mechanical System'],'OverrideUsingVariant','Normal')
% Simulate the system and log the response data
sim(sysA)
ynormal = logsout.getElement('y').Values;

Ts = 1/256; % data sample time
nr = 10; % number of bumps in the signal
N = 512; % length of data between bumps
znormal = cell(nr,1);
for ct = 1:nr
ysegment = ynormal.Data((ct-1)*N+(1:500));
z = iddata(ysegment,[],Ts);
znormal{ct} = z; % each segment has only one bump
end
plot(znormal{:}) % plot a sampling of the recorded segments
title('Measured Response Segements')

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