What is the principle of the cooker specially used in the electromagnetic oven? Why can the electromagnetic oven be used?
The pot bottom is a composite material, and the key technique is that the composite material is compatible with the thermal expansion coefficient of the casserole.
When objects (such as iron) that are electrically conductive and magnetically guided are placed in the electromagnetic field, the changing magnetic field produces an electric current in the iron plate, which is the eddy current. The eddy flows continuously in the iron plate, thus heating. The casserole itself is inorganic non-metallic materials, neither conductive nor magnetic, can not generate eddy current, and therefore can not be used in the electromagnetic oven, and special casserole to ferromagnetic material installed in the bottom of the pot, by which to absorb electromagnetic energy to heat, and passed to the casserole, so can be used.
The ROC and the bird explained the technology of the composite bottom. I will explain why the common casserole can not be used in the induction cooker. The electromagnetic oven and other appliances, electromagnetic oven itself does not heat, which is a line reel disc, one end is connected to a 300V DC power supply, the other end to the cathode through the IGBT tube, IGBT tube when a high frequency is turned on and off, there will be the current line disk does not stop change (pulse), due to the magnetic effect of electric current, the speed change of magnetic field generated line disk rapid changes in the current online disc.
