Synthesis of Tapped-Inductor Switched-Mode Converters

Duncan, Grant; Darroman, Y.; Suter, Joseph J.

doi:10.1109/tpel.2007.904215

Cited by 105 publications

(42 citation statements)

References 14 publications

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“…It can be seen that the peak switch voltages and currents in both converters are similar; hence the devices are essentially subjected to the same level of stresses. Despite the equal voltage and current stresses on the power switches, the voltage gain of the proposed converter (19) nonetheless is higher than the IBFC, whose gain is identical to the clampmode boost converter in (1). Thus, as evident in Fig.…”

Section: Step-up Gain Of 10mentioning

confidence: 96%

“…The main drawbacks of this topology, nonetheless, are high current and voltage stresses associated with the power switch, and the low efficiency due to multi-stage power processing. High gain DC-DC converters based on a coupled inductor [11][12][13][14][15][16][17][18][19][20][21] can overcome the efficiency and voltage stress problems of the aforementioned cascade converter. The coupled inductor converters achieve the high voltage gain by utilizing the coupled inductor's turn ratio, instead of cascading multiple boost stages, hence leading to the improved efficiency.…”

Section: Introductionmentioning

confidence: 99%

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A Novel Clamp-Mode Coupled-Inductor Boost Converter with High Step-Up Voltage Gain

Tattiwong¹,

Bunlaksananusorn²

2017

Journal of Electrical Engineering and Technology

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-In this paper, a new coupled inductor DC-DC converter with a high step-up voltage gain is proposed. It is developed from a clamp-mode coupled-inductor boost converter by incorporating an additional capacitor and diode. The proposed converter is able to achieve the higher voltage gain, while still retaining the switch voltage clamp property of its predecessor. In the paper, operation and analysis of the proposed converter are described. Experimental results from a prototype converter are presented to verify the validity of the analysis. The prototype circuit attains the highest efficiency of 92.8%.

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Section: Step-up Gain Of 10mentioning

confidence: 96%

Section: Introductionmentioning

confidence: 99%

A Novel Clamp-Mode Coupled-Inductor Boost Converter with High Step-Up Voltage Gain

Tattiwong¹,

Bunlaksananusorn²

2017

Journal of Electrical Engineering and Technology

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“…Finally, in Refs. [22][23][24][25], the tapped inductor boost technique is developed and applied in several applications.…”

Section: Introductionmentioning

confidence: 99%

Distributed photovoltaic architecture powering a DC bus: Impact of duty cycle and load variations on the efficiency of the generator

Allouache¹,

Zégaoui²,

Boutoubat³

et al. 2018

AIP Conference Proceedings

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Abstract. This paper focuses on a photovoltaic generator feeding a load via a boost converter in a distributed PV architecture. The principal target is the evaluation of the efficiency of a distributed photovoltaic architecture powering a direct current (DC) PV bus. This task is achieved by outlining an original way for tracking the Maximum Power Point (MPP) taking into account load variations and duty cycle on the electrical quantities of the boost converter and on the PV generator output apparent impedance. Thereafter, in a given sized PV system, we analyze the influence of the load variations on the behavior of the boost converter and we deduce the limits imposed by the load on the DC PV bus. The simultaneous influences of 1-the variation of the duty cycle of the boost converter and 2-the load power on the parameters of the various components of the photovoltaic chain and on the boost performances are clearly presented as deduced by simulation.

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“…Now, since such parameter plays a fundamental role in determining both the input semi-stage power factor correction performance and the overall ballast step-down ratio, finding out a suitable design trade-off, to simultaneously address such needs, may result a nontrivial task. So, in order to compensate for the lost degree of freedom and relax the constraints on converter duty cycle due to step-down requirements, the use of a tapped inductor ( [16], [17]), instead of a standard output filter inductor, is proposed for the output buck semi-stage. Such component, indeed, introducing an additional parameter in the design process, namely its primary to secondary side turns ratio, can actually simplify the design procedure and improve converter step-down capability.…”

Section: Introductionmentioning

confidence: 99%

A Novel Double Integrated Buck Offline Power Supply for Solid-State Lighting Applications

Sichirollo

Alonso

Spiazzi

2015

IEEE Trans. on Ind. Applicat.

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A single stage offline power supply for LED lighting applications, based on the integration of a buck PFC and a tapped buck DC/DC converter, is presented in this paper. Besides the high step-down capability and the output current regulation, the proposed topology effectively provides power factor correction, so as to comply with the harmonic injection and energy saving standards EN 61000-3-2 and Energy Star. The low BUS voltage level, resulting from the use of an input step-down PFC stage, actually allows the use of film technology capacitors, instead of short lifetime electrolytic capacitors, to filter the BUS voltage and reduce the LED current ripple component at twice the line frequency. Thanks to the high reliability, the simple structure, the good line side spectral performance and the low component count, the proposed topology effectively results to be very suitable for medium power solid state lighting applications, as in the case of LED down-lighting. The issues related to the operation of the presented solution and to its design optimization will be carefully discussed. A prototype of the proposed AC/DC converter has been built and tested. The main experimental results will be described.

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Synthesis of Tapped-Inductor Switched-Mode Converters

Cited by 105 publications

References 14 publications

A Novel Clamp-Mode Coupled-Inductor Boost Converter with High Step-Up Voltage Gain

A Novel Clamp-Mode Coupled-Inductor Boost Converter with High Step-Up Voltage Gain

Distributed photovoltaic architecture powering a DC bus: Impact of duty cycle and load variations on the efficiency of the generator

A Novel Double Integrated Buck Offline Power Supply for Solid-State Lighting Applications

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