ahmed

cairo university

Actif depuis 2012

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hello, for induction motor parameters in simulink, some times i have data of power in HP and some times for other motors in KVA so which value i should enter ? at both cases i dont have power factor in motor data
hello, for induction motor parameters in simulink, some times i have data of power in HP and some times for other motors in KVA ...

plus de 11 ans il y a | 1 réponse | 0

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plus de 11 ans il y a | 1 réponse | 0

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hello, what means the value of the first parameter of induction motor parameters in simulink (Pn(VA) if i operate with perunit system?
hello, iam confused about the value of the first parameter of induction motor Pn (vA),i dont know it is represent active power o...

plus de 11 ans il y a | 1 réponse | 0

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Question

i have oscillating signal at scope in simulink, how i can get the average of this signal?
i have oscillating signal at scope in simulink, how i can get the average of this signal?

plus de 11 ans il y a | 1 réponse | 0

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Question

i have a sinusoidal signal in simulink and want to know its magnitude and frequency by using hilbert transform, when i write (hilbert(signal name)) , i have 4 columns and i dont know how i can use this data to plot magnitude of the signal?
i have a sinusoidal signal in simulink and want to know its magnitude and frequency by using hilbert transform, when i write (hi...

plus de 11 ans il y a | 1 réponse | 0

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Question

why after i add circuit breaker to my model in simulink, results at scopes became interruptable after circuit breaker opens?
my model in simulink run correctly(simply consist of electrical source connected to induction motor) but after i add circuit bre...

presque 12 ans il y a | 1 réponse | 0

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Question

what should i do after addin g circuit breaker to model , results stop and became strange?
i have a simple model in simulink contain electrical source connected to induction motor in discrete mode , and it run correctly...

presque 12 ans il y a | 1 réponse | 0

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Question

how can we measure a pahase difference between two sinusoidal signals?
i have two sinusoidal signal in simulink one has a constant frequency but another one is decaying signal which its frequency dec...

environ 12 ans il y a | 1 réponse | 0

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Question

how can i get the values of a samples before and after zero crossing of a sinusiodal signal?
hello, all if i have discrete voltage sinusoidal signal in simulink , so which blocks may i use to get samples on the negativ...

plus de 12 ans il y a | 1 réponse | 0

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Question

how can i know the value of a sample before and after zero crossing of a sinusiodal signal?
hello, all if i have discrete voltage sinusoidal signal in simulink , so which blocks may i use to get samples on the negativ...

plus de 12 ans il y a | 1 réponse | 0

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Question

question about frequency measuring
hello every one , i have a decaying sinusoidal signal in simulink and want measure its frequency using fft and dont know how ? ...

plus de 12 ans il y a | 1 réponse | 0

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Question

how can i do recursive DFT for a measured signal in simulink?
i have in simulink a discrete decaying sinusoidal signal so its frequency is not constant and dont know how can i do a recursiv...

presque 13 ans il y a | 1 réponse | 0

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Question

how can i sample a measured voltage signal in simulink and know the sampled value of each sample to calculate RMS of the voltage signal.
how can i sample a measured voltage signal in simulink and know the sampled value of each sample to calculate RMS of the voltage...

presque 13 ans il y a | 2 réponses | 0

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