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A Lumbini


Last seen: 9 days ago |  Active since 2024

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How to set zones for long transmission line that are valid for all faults
I am trying to implement three zonal protection in matlab and i have set zones that works good for LG fault but when i create LL...

17 days ago | 0 answers | 0

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Question


How to convert class cell to vector?
wavelet = 'db4'; level = 6; tt=0:(0.25*10^(-3)):(0.25*10^(-3))*ceil(N); ref=cos(2*pi*50*tt); [CR, LR] = wavedec(Currentwindo...

6 months ago | 1 answer | 0

1

answer

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Pulse from matlab code to Simulink
I have written a code in matlab In that if a particular condition gets satisfied then a pulse should be generated that should t...

9 months ago | 1 answer | 0

1

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Question


I have logged a signal from simulink to workspace in timeseries format and got 317 samples of that signal. Can i increase the number of samples i get or the sampling rate?
I tried changing start time and end time in this, so that i can get 317 samples in reduced interval thus accuracy of the logge...

11 months ago | 1 answer | 0

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Question


I integrated fault current which is sine wave with its time period as an interval. But, i am getting value as an answer instead of getting 0.
F=0.05 ix = (Phasecurrent.Time >= F) & (Phasecurrent.Time <=F+0.020047); Int = cumtrapz(Phasecurrent.Data(ix)) vpa(Int(end...

11 months ago | 1 answer | 0

1

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Question


I have plotted a signal in Simulink and now i want to write a code to integrate that signal over the limits? can anyone help me with this please
clc; clear all; open('tranmissionfault.slx'); sim('tranmissionfault.slx'); syms t P=int(Phasecurrent,t,0,0.008)

11 months ago | 1 answer | 0

1

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