Single Phase Time-Varying Load

Question

Conrad Sienkiewicz 2017-6-15

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此问题的直接链接

https://ww2.mathworks.cn/matlabcentral/answers/344902-single-phase-time-varying-load

评论： Afzal Nuthoo 2020-3-1

Hello,

I have modelled household and electric vehicle load data, which now needs to be implemented into Simulink. This is a time-varying load (every minute). I am unsure of how to model this in Simulink. Any help would be greatly appreciated! Thanks!

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Afzal Nuthoo 2020-3-1

How did you model the household please?

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Answer 1

Nagarjuna Manchineni 2017-6-21

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链接

此回答的直接链接

https://ww2.mathworks.cn/matlabcentral/answers/344902-single-phase-time-varying-load#answer_271480

You can use the 'Three phase dynamic load' to handle the time varying load data. The following example can be a good starting point:

https://www.mathworks.com/examples/simpower/mw/sps_product-power_dynamicload-dynamic-load-and-programmable-voltage-source

http://www.mathworks.com/help/physmod/sps/powersys/ref/threephasedynamicload.html

Also, this MATLAB Answers post talks more about this. Have a look at the following link:

https://www.mathworks.com/matlabcentral/answers/244329-implement-a-load-in-simulink#answer_193211

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Conrad Sienkiewicz 2017-6-22

Thanks for the reply! I don't understand how you can input external data into it when there's no specific frequency. Not to mention the load isn't a waveform, but stochastic. Furthermore, my load changes at specific time steps, not continuously like a dynamic load. Am I missing something that allows me to still utilize this block for a single phase system?

I have already looked through that answer, as well as every other I could find with not too much help.

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