A SiC-Based High-Efficiency Isolated Onboard PEV Charger With Ultrawide DC-Link Voltage Range

Shi, Chuan; Wang, Haoyu; Düşmez, Serkan; Khaligh, Alireza

doi:10.1109/tia.2016.2605063

Cited by 113 publications

(26 citation statements)

References 19 publications

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“…2 that there are a variety of different charger topologies that can be proposed by changing the components of AC/DC converter (labelled 1) and DC/DC converter (labelled 3). For example, the authors in [14] use a SEPIC PFC to replace the interleaved boost PFC in the AC/DC converter (labelled 1) to improve the efficiency of the LLC stage. This converter provides an ultra-wide range for the DC link voltage, and is always controlled to operate at the near the resonant frequency.…”

Section: Ev Battery Charger Topologiesmentioning

confidence: 99%

The state of the art of battery charging infrastructure for electrical vehicles: Topologies, power control strategies, and future trend

Tran

Sutanto

Muttaqi

2017

2017 Australasian Universities Power Engineering Conference (AUPEC)

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The state of the art of battery charging infrastructure for electrical vehicles: Topologies, power control strategies, and future trend" (2017). Faculty of Engineering and Information Sciences -Papers: Part B. 1699.The state of the art of battery charging infrastructure for electrical vehicles: The state of the art of battery charging infrastructure for electrical vehicles: Topologies, power control strategies, and future trend Topologies, power control strategies, and future trend Abstract Abstract Electric vehicle battery (EVB) charger topologies play a vital role to increase the penetration of EVs. This paper reviews the status quo of EV battery (EVB) chargers in term of converter topologies, operation modes, and power control strategies for EVs. EVB Chargers are classified based on their power levels and power flow direction. Referring to power ratings, EV chargers can be divided into Level 1, Level 2 and Level 3. Level 1 and Level 2 are normally compatible with on-board chargers while Level 3 is used for an offboard charger. Unidirectional/bidirectional power flow can be obtained at all power levels. However, bidirectional power flow is usually designed for Level 3 chargers as it can provide the huge benefit of transferring power back to grid when needed. Moreover, the different operation modes of an EVB charger are also presented. There are two main modes: Grid-to-Vehicle (V1G or G2V) and Vehicle-to-Grid (V2G). The V2G mode helps bring EV batteries to become active distributed sources in smart grids and is the crucial solution for a high EV penetration. Future trend and authors' recommendations with preliminary simulation and experimental results are demonstrated in this paper. Abstract -Electric vehicle battery (EVB) charger topologies play a vital role to increase the penetration of EVs. This paper reviews the status quo of EV battery (EVB) chargers in term ofconverter topologies, operation modes, and power control strategies for EVs. EVB Chargers are classified based on their power levels and power flow direction. Referring to power ratings, EV chargers can be divided into Level 1, Level 2 and Level 3. Level 1 and Level 2 are normally compatible with onboard chargers while Level 3 is used for an off-board charger. Unidirectional/ bidirectional power flow can be obtained at all power levels. However, bidirectional power flow is usually designed for Level 3 chargers as it can provide the huge benefit of transferring power back to grid when needed. Moreover, the different operation modes of an EVB charger are also presented. There are two main modes: Grid-to-Vehicle (V1G or G2V) and Vehicle-to-Grid (V2G). The V2G mode helps bring EV batteries to become active distributed sources in smart grids and is the crucial solution for a high EV penetration. Future trend and authors' recommendations with preliminary simulation and experimental results are demonstrated in this paper. Index Terms-Electric vehicle battery (EVB), EV chargers, photovoltaic (PV) generation.

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Section: Ev Battery Charger Topologiesmentioning

confidence: 99%

The state of the art of battery charging infrastructure for electrical vehicles: Topologies, power control strategies, and future trend

Tran

Sutanto

Muttaqi

2017

2017 Australasian Universities Power Engineering Conference (AUPEC)

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“…The LLC resonant converter is a promising topology in terms of high efficiency and high power density [24]- [27]. However, the primary concern for this topology is that the voltage gain range is not wide and thus hybrid control schemes [28]- [30] have to be applied, which increases the realization complexity of the MPPT.…”

Section: Introductionmentioning

confidence: 99%

A 1-MHz Series Resonant DC–DC Converter With a Dual-Mode Rectifier for PV Microinverters

Shen

Wang

Shen

et al. 2019

IEEE Trans. Power Electron.

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The photovoltaic (PV) output voltage varies over a wide range depending on operating conditions. Thus, the PVconnected converters should be capable of handling a wide input voltage range while maintaining high efficiencies. This paper proposes a new series resonant dc-dc converter for PV microinverter applications. Compared with the conventional series resonant converter (SRC), a dual-mode rectifier (DMR) is configured on the secondary side, which enables a twofold voltage gain range for the proposed converter with a fixed-frequency phase-shift modulation scheme. The zero-voltage switching (ZVS) turn-on and zero-current switching (ZCS) turn-off can be achieved for active switches and diodes, thereby minimizing the switching losses. Moreover, a variable dc-link voltage control scheme is introduced to the proposed converter, leading to a further efficiency improvement and input-voltage-range extension. The operation principle and essential characteristics (e.g., voltage gain, soft-switching, and root-mean-square current) of the proposed converter are detailed in this paper, and the power loss modeling and design optimization of components are also presented. A 1-MHz 250-W converter prototype with an input voltage range of 17 V-43 V is built and tested to verify the feasibility of the proposed converter. Index terms-PV microinverter, dc-dc converter, series resonant converter, wide input voltage range, 1-MHz frequency.

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“…Citation information: DOI 10.1109/TIA.2018.2883263, IEEE Transactions on Industry Applications loss, large circulating current, and voltage spikes across the output diodes [13], [14]. The LLC resonant converter has been widely adopted by industries due to its excellent performance in efficiency and power density [15]- [17]. Nevertheless, it is not able to handle a wide range of input voltage; otherwise, the switching frequency variation will be considerably large, and the transformer size and the conduction loss will increase significantly [18], [19].…”

Section: Introductionmentioning

confidence: 99%

A Structure-Reconfigurable Series Resonant DC–DC Converter With Wide-Input and Configurable-Output Voltages

Shen

Wang

Al‐Durra

et al. 2019

IEEE Trans. on Ind. Applicat.

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This paper proposes a new series resonant DC-DC converter with four configurable operation states depending on the input voltage and output voltage levels. It suits well for the DC-DC stage of grid-connected photovoltaic (PV) systems with a wideinput voltage range and different grid voltage levels, i.e., 110/120 V and 220/230/240 V. The proposed converter consists of a dualbridge structure on the primary side and a configurable half-or full-bridge rectifier on the secondary side. The root-mean-square (RMS) currents are kept low over a fourfold voltage-gain range; The primary-side MOSFETs and secondary-side diodes can achieve zero-voltage switching (ZVS) on and zero-current switching (ZCS) off, respectively. Therefore, the converter can maintain high efficiencies over a wide voltage gain range. A fixedfrequency pulse width modulated (PWM) control scheme is applied to the proposed converter, which makes the gain characteristics independent of the magnetizing inductance and thereby simplifies the design optimization of the resonant tank. The converter topology and operation principle are first described. Then the characteristics, i.e., the dc voltage gain, soft-switching, and RMS currents, are detailed before a performance comparison with conventional resonant topologies is carried out. Furthermore, the design guidelines of the proposed converter are also presented. Finally, the experimental results from a 500-W converter prototype verify feasibility of the proposed converter. Index terms-DC-DC converter, series resonant converter, reconfigurable structure, wide input voltage range, configurable output voltage.

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A SiC-Based High-Efficiency Isolated Onboard PEV Charger With Ultrawide DC-Link Voltage Range

Cited by 113 publications

References 19 publications

The state of the art of battery charging infrastructure for electrical vehicles: Topologies, power control strategies, and future trend

The state of the art of battery charging infrastructure for electrical vehicles: Topologies, power control strategies, and future trend

A 1-MHz Series Resonant DC–DC Converter With a Dual-Mode Rectifier for PV Microinverters

A Structure-Reconfigurable Series Resonant DC–DC Converter With Wide-Input and Configurable-Output Voltages

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