The model of the dehumidifier based on the Peltier element

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Darya Zolotukhina
回答： Yifeng Tang 2022-7-15
Hello!
Please tell me how to simulate the operation of an air dryer using a Peltier device from the Simscape Electrical library. It is necessary to drain the closed volume of air.
At the moment I am trying to ensure that one side of the Peltier element cools and the other heats up, but this does not happen. Both sides of the Peltier device are heated. At the same time, the parameter settings of the Peltier element are by default, the voltage that I supply is 12V. Thermal mass units that are connected to the ports of the Peltier element are radiators. I'm applying a model that I made.
I will be very grateful for your help!

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回答（1 个）

Yifeng Tang
Yifeng Tang 2022-7-15
Looks like a parametrization issue here. In the provided model, the peltier device has ~600Amp going through, and that's a lots of heat from the 1/2*I^2*R term for both Q_A and Q_B, and both terms are negative (meaning sending heat out to thermal mass). If you set the Seebeck to a much larger value, the cold side does drop in temperature.
So I guess getting some more realistic parameters will help.

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