heater has 3 equal induction-free elements, each with a resistance of 10 ohms. The elements is delta connected and the oven is connected to a three-phase voltage of 230V / 50Hz a) How much power is developed in the oven in total? The elements is now star connected instead and the oven is connected to 400V three-phase voltage. b) How much power is being developed in the furnace now? c) How large will the power be if the elements in the star connection are connected to 230V three-phase voltage?

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Electrical Heating Unit

The conversion of electrical energy to heat energy is known as electric heating. The heating system that converts the electrical energy to heat energy for various application is called electrical heating unit. Electricity is employed as the firing mechanism in electric heating systems, which transforms electric current to heat. Electric heaters have heating elements in the form of electric resistors.