Induction cooker is a kitchen appliance that uses the principle of electromagnetic induction to convert electrical energy into heat. Inside the electromagnetic cooker, the 50/60 Hz AC voltage is converted into a DC voltage by a rectifying circuit, and the DC voltage is converted into a high-frequency voltage having a frequency of 20-40 KHz through a control circuit, and a high-speed changing current flows through the coil to cause a high-speed change. The magnetic field, when the magnetic field lines in the magnetic field pass through the metal body at the bottom of the metal vessel (magnetically conductive and conductive material), produces a myriad of small eddy currents, so that the vessel itself heats up at a high speed, and then the things inside the heating vessel. As shown in the figure below, it is the schematic circuit diagram of the household induction cooker.
In refrigeration system thermal calculation and component selection (compressors, two-units, throttle valves, etc.), many colleagues are looking for some simple and practical simulation software, but most of the software is relatively expensive or internal Software (opening, Trane internal software), and some software is more professional (AMESim, ASPEN, etc.), for most of the refrigeration industry practitioners are out of reach or unheard of.
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