A Passive Auxiliary Circuit Achieves Zero-Voltage-Switching in Full-Bridge Converter Over Entire Conversion Range

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

doi:10.1109/lpel.2005.863601

Cited by 61 publications

(21 citation statements)

References 6 publications

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“…As seen in (12) or (13), the remaining energy in the output capacitors of the leading-leg switches, which should be discharged by L lk 2 , is half the total energy. Therefore, the ZVS of leadingleg switches is easily achieved with a small L lk 2 in a wide load range.…”

Section: B Zvs Conditionmentioning

confidence: 99%

Soft-Switching DC/DC Converter With a Full ZVS Range and Reduced Output Filter for High-Voltage Applications

Lee

Moon

2013

IEEE Trans. Power Electron.

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A new soft-switching dc/dc converter, which can solve the drawbacks of existing phase-shifted full-bridge converters such as narrow zero-voltage-switching (ZVS) range, large circulating current, large duty-cycle loss, and a large output filter in highvoltage applications, is proposed in this paper. The proposed converter is composed of two symmetric half-bridge inverters that are placed in parallel on the primary side and are driven in a phase-shifting manner to regulate the output voltage. At the rectifier stage, two full-bridge rectifiers sharing two low-current-rating diodes are employed. This structure allows the proposed converter to have the advantages of a full ZVS range, no problems related to duty-cycle loss, no circulating current, and a significantly reduced output filter. In this paper, the circuit configuration, operation principle, and relevant analysis results of the proposed converters are presented. Experimental results on a prototype converter realized with the specification of 80-in plasma display panel sustain power module (320-385 V d c input, 205 V d c /5 A output) validate the theoretical analysis.

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Section: B Zvs Conditionmentioning

confidence: 99%

Soft-Switching DC/DC Converter With a Full ZVS Range and Reduced Output Filter for High-Voltage Applications

Lee

Moon

2013

IEEE Trans. Power Electron.

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“…(10) The output current flowing through the inductor is shown in (11). (11) The output voltage across the capacitor Co was calculated using (12), (12) The output voltage can be obtained across the load is shown in (13), (13) The output power of the converter is shown in (14), (14) The average input current can be calculated by using (15) where I in,av , is the average input current and δ= 0. The conventional FB ZVS converter uses a transformer and an uncoupled inductor to achieve ZVS operation over the entire conversion range .…”

Section: Analysis and Design Of Full Bridge Dc-dc Convertermentioning

confidence: 99%

A Full-Bridge DC-DC Converter with Zero-Voltage Switching: Experimental Studies

Babu¹,

Henry²

2011

IJCEE

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“…With the advent of passive circuits the converters tend to shrink in terms of cost, size, and also they are proving to be consistent modules having an eminent performance ratio than the active circuits [10][11][12][13][14][15][16][17].…”

Section: Introductionmentioning

confidence: 99%

A ZVT–ZCT PWM synchronous buck converter with a simple passive auxiliary circuit for reduction of losses and efficiency enhancement

Kumar

Panda

Ramesh

2015

Ain Shams Engineering Journal

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In this paper, a Zero-Voltage-Transition (ZVT)-Zero-Current Transition (ZCT) Pulsewidth Modulated (PWM) synchronous buck converter (SBC), with a simple passive auxiliary circuit is proposed, which reduces the stresses and improves the efficiency by pacifying the conduction losses compared to a traditional PWM converter, typically suitable for photovoltaic applications. The important design feature of ZVT-ZCT PWM SBC converters is placement of resonant components that mollifies the conduction losses. Due to the ZVT-ZCT, the resonant components with low values are used, thereby resulting in the increase of switching frequency. The ZVT-ZCT operation of the proposed converter is presented through theoretical analysis. The characteristics of the proposed converter are verified with the simulation in the PSIM co-simulated with MATLAB/SIM-ULINK environment and implemented experimentally. Ó 2014 Faculty of Engineering, Ain Shams University. Production and hosting by Elsevier B.V. This is an open access article under the CC BY-NC-ND license (http://creativecommons.org/licenses/by-nc-nd/3.0/).

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A Passive Auxiliary Circuit Achieves Zero-Voltage-Switching in Full-Bridge Converter Over Entire Conversion Range

Cited by 61 publications

References 6 publications

Soft-Switching DC/DC Converter With a Full ZVS Range and Reduced Output Filter for High-Voltage Applications

Soft-Switching DC/DC Converter With a Full ZVS Range and Reduced Output Filter for High-Voltage Applications

A Full-Bridge DC-DC Converter with Zero-Voltage Switching: Experimental Studies

A ZVT–ZCT PWM synchronous buck converter with a simple passive auxiliary circuit for reduction of losses and efficiency enhancement

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