Class-D/DE Dual-Mode-Operation Resonant Converter for Improved-Efficiency Domestic Induction Heating System

Sarnago, Héctor; Lucía, Óscar; Mediano, Arturo; Burdío, J.M.

doi:10.1109/tpel.2012.2206405

Cited by 111 publications

(47 citation statements)

References 23 publications

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“…ZVS problem is also minimized by techniques such as asymmetrical voltage cancellation (AVC) and asymmetrical duty cycle (ADC) control [10]. In [11], two operating modes for power control of half-bridge resonant inverter induction heating system are described. One operating mode uses variable frequency control for larger output power.…”

Section: Fig 1 Typical Arrangement Of High Frequency Induction Heatmentioning

confidence: 99%

Buck-Boost Interleaved Inverter Configuration for Multiple-Load Induction Cooking Application

P¹,

Vishwanathan²,

Murthy³

2015

Journal of Electrical Engineering and Technology

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-Induction cooking application with multiple loads need high power inverters and appropriate control techniques. This paper proposes an inverter configuration with buck-boost converter for multiple load induction cooking application with independent control of each load. It uses one half-bridge for each load. For a given dc supply of V DC , one more V DC is derived using buckboost converter giving 2V DC as the input to each half-bridge inverter. Series resonant loads are connected between the centre point of 2 V DC and each half-bridge. The output voltage across each load is like that of a full-bridge inverter. In the proposed configuration, half of the output power is supplied to each load directly from the source and remaining half of the output power is supplied to each load through buck-boost converter. With buck-boost converter, each half-bridge inverter output power is increased to a full-bridge inverter output power level. Each half-bridge is operated with constant and same switching frequency with asymmetrical duty cycle (ADC) control technique. By ADC, output power of each load is independently controlled. This configuration also offers reduced component count. The proposed inverter configuration is simulated and experimentally verified with two loads. Simulation and experimental results are in good agreement. This configuration can be extended to multiple loads.

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Section: Fig 1 Typical Arrangement Of High Frequency Induction Heatmentioning

confidence: 99%

Buck-Boost Interleaved Inverter Configuration for Multiple-Load Induction Cooking Application

P¹,

Vishwanathan²,

Murthy³

2015

Journal of Electrical Engineering and Technology

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“…By contrast, in other heating methods, heat is transferred from the heat source to the material being heated. Accordingly, high-frequency induction heating has unique industrial, domestic, and medical applications [1][2][3], and it is used in a wide range of fields. Currently, operations such as induction bonding, brazing, welding, forging, melting, and hardening can be achieved through high-frequency induction heating.…”

Section: Introductionmentioning

confidence: 99%

A closed-loop power controller model of series-resonant-inverter-fitted induction heating system

Pal¹,

Roy²,

Datta³

et al. 2016

Archives of Electrical Engineering

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This paper presents a mathematical model of a power controller for a high-frequency induction heating system based on a modified half-bridge series resonant inverter. The output real power is precise over the heating coil, and this real power is processed as a feedback signal that contends a closed-loop topology with a proportional-integral-derivative controller. This technique enables both control of the closed-loop power and determination of the stability of the high-frequency inverter. Unlike the topologies of existing power controllers, the proposed topology enables direct control of the real power of the high-frequency inverter.

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“…Power control by variable frequency operation (Sarnago, Lucia, Mediano & Burdio, 2013a) has several disadvantages including high electromagnetic interference, poor utilization of the components and complex filtering of output voltage ripple. Fixed frequency control techniques (Sarnago Sarnago, Lucia, Mediano & Burdio, 2013b;Lucia et al, 2013) can overcome the above problems.…”

Section: Introductionmentioning

confidence: 99%

<b>Pulse Mask Controlled HFAC Resonant Converter for high efficiency Industrial Induction Heating with less harmonic distortion

Nagarajan¹,

Ramareddy²

2016

Acta Sci. Technol.

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ABSTRACT. This paper discusses about the fixed frequency pulse mask control based high frequency AC conversion circuit for industrial induction heating applications. Conventionally, for induction heating load, the output power control is achieved using the pulse with modulation based converters. The conventional converters do not guarantee the zero voltage switching condition required for the minimization of the switching losses. In this paper, pulse mask control scheme for the power control of induction heating load is proposed. This power control strategy allows the inverter to operate closer to the resonant frequency, to obtain zero voltage switching condition. The proposed high frequency AC power conversion circuit has lesser total harmonic distortion in the supply side. Modeling of the IH load, design of conversion circuit and principle of the control scheme and its implementation using low cost PIC controller are briefly discussed. Simulation results obtained using the Matlab environment are presented to illustrate the effectiveness of the pulse mask scheme. The obtained results indicate the reduction in losses, improvement in the output power and lesser harmonic distortion in the supply side by the proposed converter. The hardware results are in good agreement with the simulation results.

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Class-D/DE Dual-Mode-Operation Resonant Converter for Improved-Efficiency Domestic Induction Heating System

Cited by 111 publications

References 23 publications

Buck-Boost Interleaved Inverter Configuration for Multiple-Load Induction Cooking Application

Buck-Boost Interleaved Inverter Configuration for Multiple-Load Induction Cooking Application

A closed-loop power controller model of series-resonant-inverter-fitted induction heating system

<b>Pulse Mask Controlled HFAC Resonant Converter for high efficiency Industrial Induction Heating with less harmonic distortion

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