A new soft switched push pull current fed converter for fuel cell applications

Delshad, Majid; Farzanehfard, Hosein

doi:10.1016/j.enconman.2010.08.019

Cited by 28 publications

(7 citation statements)

References 14 publications

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“…Examined in [14], a zero-voltage switching (ZVS) current-fed push pull DC-DC converter is suggested for fuel cells power generation system as pictured in Figure 3. In the study, the auxiliary circuit in this converter supplies ZVS condition for all converter switches which reduces switching losses and further absorbs at turnoff instances, the voltage surge across the switches.…”

Section: A Soft Switched Push-pull Current-fed Converter For Fc Applicationsmentioning

confidence: 99%

Power Converters and EMS for Fuel Cells CCHP Applications: A Structural and Extended Review

Bayendang¹,

Kahn²,

Balyan³

2021

Adv. sci. technol. eng. syst. j.

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Fuel Cells (FCs) and Combined Cooling, Heating and Power (CCHP) systems are becoming very popular due to their environmental friendliness and immense applications. This extended review paper commenced by introducing the rampant South Africa's electricity crisis as the basis for the study, followed by some structural analyses of up to forty-four miscellaneous power electronics converters case studies applicable to fuel cells including at least sixteen FCs energy management systems (EMS) applicable case studies. The review rationale is to determine innovative best practices that can be applied to devise an efficient power converter and EMS for an energy efficient FC CCHP system. From these analyses, it is realized that each power converter and EMS scheme has its merits and demerits depending on the targeted applications and most importantly the research project objectives − that is, whether the goals are to reduce costs, enhance efficiency, reduce size, boost performance, simplicity, durability, reliability, safety etc. Therefore, the conclusion drawn is, there is no "one size fits all" approach, as all the various reviewed case studies reported relatively good results based on their chosen schemes for their targeted applications. Notwithstanding, this review highlights are, i) the interleaved boost converter and variants as well as ii) the maximum power point tracking (MPPT) technique; are the most widely used schemes, as they are reasonably effective and simple to implement. The contributions brought forward are i) an apt single reference study that presents a quick topological insight and synopsis of assorted FCs power converters as well as EMS and ii) our proffered FC CCHP system undergoing research to offer an innovative energy efficient solution for basic household energy needs such as electricity, heating, cooling and lighting.

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Section: A Soft Switched Push-pull Current-fed Converter For Fc Applicationsmentioning

confidence: 99%

Power Converters and EMS for Fuel Cells CCHP Applications: A Structural and Extended Review

Bayendang¹,

Kahn²,

Balyan³

2021

Adv. sci. technol. eng. syst. j.

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“…The efficiency of this converter is equal to 92.3%. Finally, Delshad and Farzanehfard [ 56 ] proposed a new zero-voltage switching current-fed push-pull DC-DC converter. The auxiliary circuit in this method is introduced purposely to provide a zero-voltage switching condition and also to absorb the voltage surge across the switches at the turn-off instance.…”

Section: Recent Development In Dc-dc Convertersmentioning

confidence: 99%

An Overview of Power Electronics Applications in Fuel Cell Systems: DC and AC Converters

Ali

Kamarudin

Masdar

et al. 2014

The Scientific World Journal

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Power electronics and fuel cell technologies play an important role in the field of renewable energy. The demand for fuel cells will increase as fuel cells become the main power source for portable applications. In this application, a high-efficiency converter is an essential requirement and a key parameter of the overall system. This is because the size, cost, efficiency, and reliability of the overall system for portable applications primarily depend on the converter. Therefore, the selection of an appropriate converter topology is an important and fundamental aspect of designing a fuel cell system for portable applications as the converter alone plays a major role in determining the overall performance of the system. This paper presents a review of power electronics applications in fuel cell systems, which include various topology combinations of DC converters and AC inverters and which are primarily used in fuel cell systems for portable or stand-alone applications. This paper also reviews the switching techniques used in power conditioning for fuel cell systems. Finally, this paper addresses the current problem encountered with DC converters and AC inverter.

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“…Saravanan et al [5] proposed a high static gain DC/DC converter which is derived from SEPIC converter by introducing a voltage-doubler circuit. Delshad et al [6] presented a novel active soft-switching push-pull current fed converter with high voltage gain ratio. Vinnikov et al [7] presented a Quasi Z-source Buck-Boost inverter (Q-ZSI).…”

Section: Introductionmentioning

confidence: 99%

Theoretical Comparison, Real-Time Emulation, and Experiment Validation of DC/DC Converter for Fuel Cell Electric Vehicle

Wang,

Xu,

Sun

et al. 2024

IEEE Access

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In this study, an Interleaved Boost Converter constructed with six cascade parallel connected phases is proposed for Fuel Cell Electric Vehicle (FCEV). Silicon Carbide (SiC) semiconductors are selected help gain high efficiency, high compactness and better thermal ability. Inverse coupled inductors are used to reduce the volume, weight and core losses of magnetic components. The proposed topology reduces significantly the AC amplitude of fuel cell current and therefore the operating life of the Proton Exchange Membrane Fuel Cell (PEMFC) can be extended. Hardware-in-the-Loop (HIL) real-time emulation of the proposed converter has been addressed. Finally, a 1kW prototype of the proposed converter has been established and experiments have been launched for the validation. Depending on theoretical comparison analysis, HIL real-time verification and experimental validation, the PEMFC system combined with the proposed converter can own high reliability, high system efficiency and high compactness.

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A new soft switched push pull current fed converter for fuel cell applications

Cited by 28 publications

References 14 publications

Power Converters and EMS for Fuel Cells CCHP Applications: A Structural and Extended Review

Power Converters and EMS for Fuel Cells CCHP Applications: A Structural and Extended Review

An Overview of Power Electronics Applications in Fuel Cell Systems: DC and AC Converters

Theoretical Comparison, Real-Time Emulation, and Experiment Validation of DC/DC Converter for Fuel Cell Electric Vehicle

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