Analysis, Design, and Implementation of an APWM ZVZCS Full-Bridge DC–DC Converter for Battery Charging in Electric Vehicles

Kanamarlapudi, Venkata Ravi Kishore; Wang, Benfei; So, P.L.; Wang, Zhe

doi:10.1109/tpel.2016.2614387

Cited by 50 publications

(31 citation statements)

References 33 publications

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“…When designing EV chargers, because of the charging devices' high power level and high switching frequency, energy losses in the EV chargers cannot be overlooked. Additionally, considering the construction cost of the integrated power stations, the converter devices cost cannot be excessive and the EV charging stations volume must be as small as possible [39] . Thus, the charging converter needs to have high efficiency, high energy density, light weight, high reliability, and excellent shock resistance [40] .…”

Section: Llc Resonant Converter In An Ev Charging Stationmentioning

confidence: 99%

LLC resonant converter topologies and industrial applications — A review

Zeng

Zhang

et al. 2020

Chin. J. Electr. Eng.

117

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Owing to the advantages of high efficiency, high energy density, electrical isolation, low electromagnetic interference (EMI) and harmonic pollution, magnetic integration, wide output ranges, low voltage stress, and high operation frequency, the LLC resonant converters are widely used in various sectors of the electronics-based industries. The history and development of the LLC resonant converters are presented, their advantages are analyzed, three of the most popular LLC resonant converter topologies with detailed assessments of their strengths and drawbacks are elaborated. Furthermore, an important piece of research on the industrial applications of the LLC resonant converters is conducted, mainly including electric vehicle (EV) charging, photovoltaic systems, and light emitting diode (LED) lighting drivers and liquid crystal display (LCD) TV power supplies. Finally, the future evolution of the LLC resonant converter technology is discussed.

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Section: Llc Resonant Converter In An Ev Charging Stationmentioning

confidence: 99%

LLC resonant converter topologies and industrial applications — A review

Zeng

Zhang

et al. 2020

Chin. J. Electr. Eng.

117

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“…Therefore, iLm increases with the slope of nVo/Lm. In this step, vLr and iLr are calculated by (1) and (2).…”

Section: For Low Output Voltage With Sac Off (Full-bridge Rectifier)mentioning

confidence: 99%

“…High power density and high circuit efficiency are demanded of modern powered electronics in order to reduce the greenhouse effect. Power converters with soft switching characteristics, such as asymmetric pulse-width modulation converters [1][2][3][4] and phase-shift pulse-width modulation converters [5][6][7][8], have been developed and implemented to improve converter efficiency. The main drawback of these circuit topologies is a narrow soft switching range due to the limited energy stored on the leakage inductor under light or low load.…”

Section: Introductionmentioning

confidence: 99%

Resonant Converter with Voltage-Doubler Rectifier or Full-Bridge Rectifier for Wide-Output Voltage and High-Power Applications

Lin

Jian³

2018

Electronics

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This paper presents a resonant converter with the benefits of wide output voltage, wide soft switching characteristics for power devices and high circuit efficiency. Since the series resonant circuit is adopted on the primary side, the power switches are turned on under zero voltage switching and power diodes on the secondary side can be turned off under zero current switching. To overcome the drawback of narrow voltage operation range in the conventional resonant converter, full-bridge rectifier and voltage-doubler rectifier topologies are employed on the secondary side for low-voltage output and high-voltage output applications. Therefore, the voltage rating of power devices on the secondary side is clamped at output voltage, rather than two times output voltage, in the center-tapped rectifier circuit. Synchronous power switches are used on the secondary side to further reduce the conduction losses so that the circuit efficiency can be further improved. To verify the theoretical analysis and circuit performance, a laboratory prototype with 1 kW rated power was built and tested.2 of 16 needed for EV and HEV applications or outdoor LED lighting systems with variable series or parallel combinations of LED strings. There are several solutions to overcome the challenges of wide input or output voltage range operation. First, the conventional full-bridge converter, as shown in Figure 1a, with wide duty cycle control can be adopted to achieve wide voltage operation. If the maximum duty cycle is four times the minimum duty cycle (d max = 4 d min ), then the output voltage of full-bridge converter is controlled at the constant value for 4:1 input voltage range (v max = 4 v min ). However, wide duty cycle operation will result in low circuit efficiency in cases of high input voltage and low duty cycle. The second solution to achieve wide voltage operation is using two-stage dc-dc converters, as shown in Figure 1b, such as buck or boost circuit and full-bridge circuit. Since two-stage circuits are used, the circuit efficiency is decreased and the circuit reliability is also reduced. The third solution is using single stage hybrid resonant circuit topology [12][13][14] as shown in Figure 1c. The wide voltage range resonant converter with full-bridge circuit (S 1~S4 are operation) or half-bridge (S 1 , S 2 and S 3 are operation) circuit topology used on the primary side [13,14] has been proposed to extend the input voltage range. The main advantage of the full-bridge and half-bridge resonant converter on the primary side is the wide input voltage range (v in,max = 4 v in,min ). However, there is a transient duration between the half-bridge resonant converter and the full-bridge resonant converter operation, and one power switch S 3 is always in the on-state under half-bridge resonant circuit, which will result in one more conduction loss on a powered device. The secondary side of the circuit topologies in Figure 1 is the center-tapped rectified circuit with two diodes to obtain low voltage output. If a wide output voltage i...

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“…In recent times DC power distribution systems have become extensively used to power various electronic loads and processes, including hybrid and electric vehicles [1], aircrafts and electric ships [2], battery-management systems [3], smart grids [4], and renewable-energy applications [5]. The proper functioning of those systems is often vital for the everyday life of society.…”

Section: Introductionmentioning

confidence: 99%

Frequency-Domain Identification Based on Pseudorandom Sequences in Analysis and Control of DC Power Distribution Systems: A Review

Roinila

Abdollahi

Santi

2021

IEEE Trans. Power Electron.

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Frequency-domain identification based on wideband techniques has become a popular method in the analysis and control of various DC power distribution systems. In the method, a single converter or a system is perturbed by an external wideband voltage or current injection, the resulting voltage or current responses are measured, and Fourier analysis is applied to extract the spectral information of the measured variables. Most often, the system or converter input and output impedances and the loop gain are the quantities of interest. One class of perturbation signals, pseudo-random binary sequences, has become widely used because most of such signals can be generated using simple shift-register circuitry. As the signals are deterministic and binary, they are well suited to perform measurements on power-converter systems in real time, allowing fast response to system variations through, for example, adaptive controllers. This paper reviews the pseudo-random binary sequences applied to DC power distribution systems and discusses their advantages as well as limitations. The conventional maximum-length binary sequence (MLBS), inverse-repeat binary sequence (IRS), discrete-interval binary sequence (DIBS), and orthogonal binary sequences are considered. Several experimental results from various DC power systems are presented and used to demonstrate the applicability of the discussed methods.

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Analysis, Design, and Implementation of an APWM ZVZCS Full-Bridge DC–DC Converter for Battery Charging in Electric Vehicles

Cited by 50 publications

References 33 publications

LLC resonant converter topologies and industrial applications — A review

LLC resonant converter topologies and industrial applications — A review

Resonant Converter with Voltage-Doubler Rectifier or Full-Bridge Rectifier for Wide-Output Voltage and High-Power Applications

Frequency-Domain Identification Based on Pseudorandom Sequences in Analysis and Control of DC Power Distribution Systems: A Review

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