solutions 2/2007 – Glass Ceramic Cooktop Panels

Induction cooking: exact and fast

Induction cookers function completely differently than conventional electric ranges. The difference can be seen as soon as the cooking zones are turned on. With an induction cooker, there are no heating elements that begin to glow. However, once a pot containing food is placed on the hob top, the heat is transferred to exactly where it is needed: the base of that pot. A conductive coil that creates an alternating magnetic field lies underneath the cooking surface. This, in turn, induces a turbulent flow, when special dishes made of ferromagnetic material are used. The metal of the pot heats up and transfers this heat into the food being cooked. Advantages include precise metering of how heat is added and fast response times in adjusting settings. The cooktop panel generally remains relatively cool, because the panel itself does not heat up. Nevertheless, even in induction cookers, extremely high temperatures can result on top of the glass ceramic cooktop panels. Temperatures can exceed 500° C with high-performance systems or in the event that a pot is left on the cooker. In such cases, perhaps one would be well-advised not to refer to induction cooking as cold cooking.
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