INDUCTION HEATING SYSTEM

DRIVE October 13, 2022
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An induction system includes a single power inverter, a plurality of power branches coupled to the single power inverter in parallel, and a controller. Each of the plurality of power branches includes an induction coil, a capacitor coupled to the induction coil to form a resonant circuit, and a power switch coupled in series with the resonant circuit. The controller is configured to regulate an output power of the resonant circuit of each of the plurality of power branches by varying a switching frequency of the single power inverter to adjust the output power of the resonant circuit of all of the plurality of power branches and/or selectively transmitting a signal to the power switch of a respective power branch of the plurality of power branches to turn-on and turn-off the power switch of the respective power branch to individually adjust the output power of each of the plurality of power branches.

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