Analysis and Design of an LCL-T Resonant Converter as a Constant-Current Power Supply

Borage, Mangesh; Tiwari, Sudeep; Kotaiah, S.

doi:10.1109/tie.2005.858729

Cited by 241 publications

(126 citation statements)

References 20 publications

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“…The designed compensation capacitance for each case is used regardless of the misalignment condition. Since the resonant network topology used for primary pad in this paper is LCL type, calculation of C p is not needed for simulation, instead, primary current, I p , is designed as 16.83 A rms [10]. Table 1 the highest efficiency over misalignment condition.…”

Section: Coil To Coil Efficiencymentioning

confidence: 99%

Performance Analysis of Magnetic Power Pads for Inductive Power Transfer Systems with Ferrite Structure Variation

Kim¹,

Byun²,

Lee³

2017

Journal of Electrical Engineering and Technology

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-In this paper, performance of rectangular shaped magnetic power pads for inductive power transfer (IPT) system according to ferrite structure is analyzed. In order to evaluate the influences of ferrite structure, six cases of magnetic power pads are proposed. Self-inductance, coupling coefficient, quality factor, and coil to coil efficiency are compared as the displacement increases in the direction of x or y axis. For accurate estimation, finite element method (FEM) simulation is used and loss components of the power pads are numerically calculated and considered. Through the simulation and measured results, effectiveness of protrusive and enveloping ferrite structure is identified.

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Section: Coil To Coil Efficiencymentioning

confidence: 99%

Performance Analysis of Magnetic Power Pads for Inductive Power Transfer Systems with Ferrite Structure Variation

Kim¹,

Byun²,

Lee³

2017

Journal of Electrical Engineering and Technology

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“…Idle operation is not possible. These problems can be partially solved by operating frequency adjustment (Borage et al 2005;Zouggar et al 2000).…”

Section: Lcl-t Converter Operation Analysis In Current-to-voltage Conmentioning

confidence: 99%

“…The performance of such converters was analyzed in Russia (Milach et al 1964;Dozorov 2013) and elsewhere (Borage et al 2005;Borage and Tiwari 2012;Zouggar et al 2000). However LCL converters can operate just in opposite way converting current source into voltage source, which is exactly the task the converter should perform in PV battery fed by PSU.…”

Section: Introductionmentioning

confidence: 99%

“…Interestingly enough no investigations of such mode of operation could be referredto. To date published research papers describe the operation of LCL-T converter with diode-based (passive or uncontrollable) rectifier in output current stabilization mode, for instance, Borage et al (2005). Therefore, the purpose of this study was to analyze resonant LCL-T converter in DAB configuration as voltage source mode being fed by PV battery operating in current source mode.…”

Section: Introductionmentioning

confidence: 99%

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LCL-T Resonant Converter Based on Dual Active Bridge Topology in Solar Energy Applications

Shinyakov

Shkolniy

et al. 2017

J.Aerosp. Technol. Manag.

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Resonant LCL-T converter can operate as stable voltage source, being fed from current, for instance, the photovoltaic battery. It is shown that LCL-T resonant tank has intrinsic ability to convert stable AC current into stable AC voltage thus parametrically regulating output voltage at a fixed value. This mode of operation is made possible by the use of active (synchronous) rectifier to recoup energy from the output back to the LCL-T resonant tank. Basic characteristics of resonant LCL-T converter regulated by phase shift between inverter and rectifier regardless of a solar battery current drift have been defined. It is shown that phase control guarantees 0 voltage and 0 current on switching; however, turn-off current could be substantial. Calculations and assumptions made in this study have been confirmed by simulation and hardware prototype.

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“…At high wind speed, the electrical frequency increases and the reactive impedance of the generator will be high, while the impedance of the battery load will be low. In this case, the poor impedance matching will limit power transfer to the DC system (Yamamura et al, 1999;Borage, 2005;Daniel and Gounden, 2004;Arutchelvi and Daniel, 2006;2007).…”

Section: Introductionmentioning

confidence: 99%

Design and Implementation of Closed Loop LCL-T Resonant Dc-to-Dc Converter Using Low Cost Embedded Controller

Annamalai¹,

Kumar²

2012

American Journal of Engineering and Applied Sciences

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The aim of this study is to simulate and implement open loop and closed loop controlled DC-DC converter for stand-alone wind energy system. Wind turbines, however, are not always very efficient in the wind speeds that are most common to a region. Typically, wind energy systems are designed to be highly efficient in high wind speed and have a cut-off wind speed-below which no energy is captured. In remote locations where wind energy is used for battery charging, the energy lost below the cut-off wind speed could be used for trickle charging or maintaining a battery's fully charged state. Wind turbines are most efficient when they are operated at one specific Tip-Speed to Wind-Speed Ratio (TSR). Therefore, for the efficient capture of wind power, turbine speed should be controlled to follow the ideal TSR, with an optimal operating point, which is different for every wind speed In this system, the DC-DC converter in the DC link with a constant dc voltage to the load, a DC-DC converter will allow the voltage at the output of a diode bridge rectifier to be controlled. In low wind speed conditions, the voltage may be lowered to prevent the dc link from reverse biasing the diode rectifier. Under high wind speed condition, the voltage may be increased, reducing I2R losses. In addition, adjusting the voltage on the dc rectifier will change the generator terminal voltage and thereby provide control over the current flowing out of the generator. The LCL-T resonant inverter system for both open loop and closed loop DC-to-DC converter systems are simulated using MATLAB simulink power system blocks. This converter has advantages like reduced transformer size, reduced filter size and current source characteristics. The simulation studies indicate that LCL-T type for open and closed loop DC-DC converter can be used with stand-alone wind generator. Constant voltage can be maintained at the output of DC-to-DC converter by using a PWM rectifier at the output. Embedded controlled DC to DC converter is fabricated and it is tested.

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Analysis and Design of an LCL-T Resonant Converter as a Constant-Current Power Supply

Cited by 241 publications

References 20 publications

Performance Analysis of Magnetic Power Pads for Inductive Power Transfer Systems with Ferrite Structure Variation

Performance Analysis of Magnetic Power Pads for Inductive Power Transfer Systems with Ferrite Structure Variation

LCL-T Resonant Converter Based on Dual Active Bridge Topology in Solar Energy Applications

Design and Implementation of Closed Loop LCL-T Resonant Dc-to-Dc Converter Using Low Cost Embedded Controller

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