A Novel ZVZCS Full-Bridge DC/DC Converter Used for Electric Vehicles

Pahlevaninezhad, Majid; Das, Pritam; Drobnik, J.; Jain, Praveen; Bakhshai, Alireza

doi:10.1109/tpel.2011.2178103

Cited by 240 publications

(112 citation statements)

References 35 publications

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“…Full-bridge topology with conventional boost converter for PFC applications is the most popular AC-DC converter topology used in the 1-5 kW range [17]. However, the potential applications of a single phase twoswitch buck type AC-DC Converter topology with inductor voltage control appears to be a good candidate for high current battery charging applications, when used as a PFC converter due to the fact that the CC and CV type battery charging characteristics can be easily implemented [18].…”

Section: On-board Battery Chargers Their Design Philosophy and Mmentioning

confidence: 99%

“…Therefore, this topology is good for power range below 1 kW [15,23]. Significant study outcomes related to single phase charger models are given in [15][16][17][18][19][20][21][22][23][24][25]. Based on a wide ranging study of literature it has been found that flyback converter operating in discontinuous current mode is the preferred topology [22].…”

Section: On-board Battery Chargers Their Design Philosophy and Mmentioning

confidence: 99%

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Behavioral Characterization of Electric Vehicle Charging Loads in a Distribution Power Grid Through Modeling of Battery Chargers

Haidar

Muttaqi

2016

IEEE Trans. on Ind. Applicat.

110

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Plug-in Electric Vehicle (PEV) is a new atypical load in power systems. In future, PEV load will play a significant role in the distribution grids. This integrated load into the power grid may overload the system components, increase power losses and may violate system constraints. Currently, the most common method of Electric Vehicle (EV) modeling is to consider the EV loads as constant power elements without considering the voltage dependency of EV charging system during state of charges (SOC). EV load demand cannot be considered as a constant power, as modeling as a constant power load will not provide accurate information about the behavior of charging system during charging process. As several research projects on smart grids are now looking into realistic models representing the realistic behavior of an EV loads, this paper proposes a methodology for modeling of EV charger integrated to an electricity grid in order to understand the impacts of EV charging load. A charging system was designed to capture the EV load behavior and extract the coefficients of the EV ZIP load model. A comparative study was carried out with different types of load models. The results indicate that the assumptions of load demand as a constant power to analysis the effect of PEVs on power grid would not be effective in real time application of PEVs. Abstract --Plug-in Electric Vehicle (PEV) is a new atypical load in power systems. In future, PEV load will play a significant role in the distribution grids. This integrated load into the power grid may overload the system components, increase power losses and may violate system constraints. Currently, the most common method of Electric Vehicle (EV) modeling is to consider the EV loads as constant power elements without considering the voltage dependency of EV charging system during state of charges (SOC). EV load demand cannot be considered as a constant power, as modeling as a constant power load will not provide accurate information about the behavior of charging system during charging process. As several research projects on smart grids are now looking into realistic models representing the realistic behavior of an EV loads, this paper proposes a methodology for modeling of EV charger integrated to an electricity grid in order to understand the impacts of EV charging load. A charging system was designed to capture the EV load behavior and extract the coefficients of the EV ZIP load model. A comparative study was carried out with different types of load models. The results indicate that the assumptions of load demand as a constant power to analysis the effect of PEVs on power grid would not be effective in real time application of PEVs.Index Terms--Plug-in electric vehicle; EV load modeling, Battery charger, Battery state of charge

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Section: On-board Battery Chargers Their Design Philosophy and Mmentioning

confidence: 99%

Section: On-board Battery Chargers Their Design Philosophy and Mmentioning

confidence: 99%

Behavioral Characterization of Electric Vehicle Charging Loads in a Distribution Power Grid Through Modeling of Battery Chargers

Haidar

Muttaqi

2016

IEEE Trans. on Ind. Applicat.

110

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“…Moreover, some other problems are brought in, such as high voltage spikes on the secondary-side rectifiers, excessive primary circulating current [10][11][12][13][14][15], etc. Therefore, several methods [16][17][18][19][20][21][22] have been proposed to solve these problems with the conventional PSFB converters.…”

Section: Introductionmentioning

confidence: 99%

Soft-switching dual full-bridge converter with reduced circulating loss and voltage stress of secondary rectifier

Shi¹,

Zhang²

2016

Proceedings of the 2016 International Conference on Advanced Electronic Science and Technology (AEST 2016)

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Abstract. This paper proposes a novel soft-switching dual full-bridge converter with shared lagging leg and dual outputs in series. Resonant clamp circuits are employed across the secondary rectifiers to reduce the voltage overshoots of the secondary rectifiers, as well as extinguish the primary current during the freewheeling interval. Full Zero-Voltage-Switching (ZVS) range of the lagging leg switches can be achieved based on the parallel full-bridge configuration. The dual outputs of the proposed converter are connected in series, and the whole output voltage can be regulated within the desired voltage range by the phase-shift control. Therefore, the proposed converter would be useful for high output voltage and high power applications. Steady state operation and distinctive features of the converter are explained and verified on a 1-kW hardware prototype, and experimental results validate the feasibility and performance of the proposed converter.

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“…Single Ended Primary Inductance Converter (SEPIC) at the DC-end of a single-phase diode bridge rectifier operating at the discontinuous conduction mode (DCM) is a good alternative to the conventional buck or boost converter, where a low input current harmonic content is obtained with proper inductor selection of the converter [5][6][7][8][9][10][11][12][13][14].…”

Section: Introductionmentioning

confidence: 99%

SEPIC Converter Based Switched Mode Power Supply Design for Battery

ra¹,

Andam²

2015

IJAREEIE

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This paper proposes a plug-in electric vehicle battery charger using SEPIC converter with coupled inductor. Here, the charger operates as a switched mode power supply (SMPS). The output dc voltage is controlled by varying the duty ratio of dc/dc converter by PWM technique. In addition, a new approach is introduced to control the dc link voltage using PI and PID controllers. The proposed model provides reduced cost, lower switching losses, lower conduction losses and higher efficiency. This topology optimize the efficiency of the converter over the battery voltage range (9V -38V) and load conditions without adding any additional circuit or implementing any on/off control techniques. The configuration without full bridge LLC converter are presented and analyzed. A 3.3 KW Lithium-ion battery with an output voltage of 9V to 38V from variable dc link voltage is simulated. In comparison to conventional approaches, the efficiency of the SEPIC converter is improved by 6%.

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A Novel ZVZCS Full-Bridge DC/DC Converter Used for Electric Vehicles

Cited by 240 publications

References 35 publications

Behavioral Characterization of Electric Vehicle Charging Loads in a Distribution Power Grid Through Modeling of Battery Chargers

Behavioral Characterization of Electric Vehicle Charging Loads in a Distribution Power Grid Through Modeling of Battery Chargers

Soft-switching dual full-bridge converter with reduced circulating loss and voltage stress of secondary rectifier

SEPIC Converter Based Switched Mode Power Supply Design for Battery

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