6533b86cfe1ef96bd12c8c81

RESEARCH PRODUCT

Design considerations for transformerless series resonant inverters for induction heating

José M. EspíEnrique J. DedeJose JordanAgustin Ferreres

subject

EngineeringInduction heatingbusiness.industryPower factorlaw.inventionInductancelawElectronic engineeringTransformerbusinessElectrical impedanceResonant inverterElectronic circuitVoltage

description

The aim of the paper is to present some preliminary ideas in order to overcome the output transformer in series resonant inverters for induction heating applications. By adding a third reactive element to the conventional two element resonant inverter, the output matching transformer can be eliminated, allowing accommodation of the resonant frequency and load with the only drawback being the need for an overdimensioning of the output capacitor bank, and benefiting from inherent short-circuit protection.

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