Battery Connected DC-DC Converter Duty Cycle from "Green Hydrogen Microgrid"

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James Vrtis 2023-9-30

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https://ww2.mathworks.cn/matlabcentral/answers/2027589-battery-connected-dc-dc-converter-duty-cycle-from-green-hydrogen-microgrid

评论： James Vrtis 2023-10-3

Hello, I am using the "Green Hydrogen Microgrid" model, but I'm trying to change the battery DC-DC Converter to run off of a duty cycle pulse. The pulse was created to be 1's and 0's when the solar power is below a ceritian range. However, when I change the battery/storage connected DC-DC converter, I run into multiple problems. If I use the buck boost converter, then I recieve various errors such as "input voltage must be greater than or equal to zero". Is there a way I can get this model to run with the battery connected DC-DC converter utilizing a duty cycle pulse. Thank you for the help.

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Sabin 2023-10-3

The model is missing CompressorMapSpeedLines.mat. Are you trying to use the PWM signal to control the DC-DC converter or the duty cycle? If you want to use the pulse that will slow down the simulation. If you preffer to use the duty cycle as a value between 0 and 1 (but not a pulse) that can be done without any impact to simulation speed.

James Vrtis 2023-10-3

Yes, sorry I thought I resolved the compressor problem after attaching the slx file. I'm not sure how to save the imported Base Workspace variables from " ee_electrolyzer_grid_nh3.m" which contains the compressor data. I would be fine with either just to get the DC-DC Converter controled by this signal.

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