Is an H-bridge not needed when using the DC motor from Simscape Powersystems?

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Daniel Crocker
Daniel Crocker 2017 年 10 月 11 日
回答済み: Nicolas Schmit 2017 年 10 月 12 日
I am trying to make a DC motor model and noticed that it looks like there's built in switching for the DC motor model (simscape/power systems/specialized technology/electric drives/AC drives). I am trying to recreate this as a basis to work on: https://www.youtube.com/watch?v=H7RzKY9SFHA&t=77s He uses an H bridge but looks like his motor block is slightly different. Hard to tell since he never opened it though.
Thanks for any help in advance

回答 (1 件)

Nicolas Schmit
Nicolas Schmit 2017 年 10 月 12 日
I assume that you are talking about the "Brushless DC Motor Drive" block in Simscape/power systems/specialized technology/electric drives/AC drives. This block has an inverter built-in. Therefore, you do not need to add an H-bridge in Simscape when using this block. Run the command "ac7_example" to open an example of how to wire this block.
Regarding the YouTube video, I assume from the mask image that it is just a plain motor model with no switching built in.

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