Figure 7 shows the waveforms of a DC converter composed of one circuit. The reference current of each circuit is 25A, so the total charging current is 100A. Ib1, Ib2, Ib3 and Ib4 are the output currents of charging unit 1, unit 2, unit 3 and unit 4, respectively. IB is the charging current of the battery. Io1 is the output.
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Based on this analysis, it has found that the Vienna rectifier is the best suitable converter topology for the high-power DC fast-charging infrastructure (> 20 kW), thanks to its low current ripples, low output voltage ripples, high efficiency, high power density, and high reliability.
PDF | On Jan 1, 2023, 初果 杨 published Research on Power Supply Charging Pile of Energy Storage Stack | Find, read and cite all the research you need on ResearchGate
New energy electric vehicles will become a rational choice to achieve clean energy alternatives in the transportation field, and the advantages of new energy electric vehicles rely on high energy storage density batteries and efficient and fast charging technology. This paper introduces a DC charging pile for new energy electric vehicles. The DC
New energy electric vehicles will become a rational choice to achieve clean energy alternatives in the transportation field, and the advantages of new energy electric vehicles rely on high energy storage density batteries and efficient and fast charging technology. This paper introduces a DC charging pile for new energy electric vehicles. The DC charging pile
Based on this analysis, it has found that the Vienna rectifier is the best suitable converter topology for the high-power DC fast-charging infrastructure (> 20 kW), thanks to its
The three-phase three-level Vienna rectifier offers benefits such as reduced switching stress and improved power factor, and is used in high-power DC charging piles. Traditional model
This paper analyzes a topology consisting of a permanent-magnet synchronous generator and a Vienna rectifier for a wind energy conversion system. A control strategy
When used in battery energy storage systems (BESS) for electric vehicle charging infrastructure, Vienna rectifiers allow for effective discharge and charging of the batteries. The configurations and assessments of these converters are examined, assessed, and compared based on power output parameters, element count, power factor, THD, and
This paper introduces a DC charging pile for new energy electric vehicles. The DC charging pile can expand the charging power through multiple modular charging units in parallel to improve the charging speed. Each charging unit includes Vienna rectifi er, DC transformer, and DC converter.
The three-phase three-level Vienna rectifier offers benefits such as reduced switching stress and improved power factor, and is used in high-power DC charging piles. Traditional model predictive current control (MPCC) is very sensitive to changes in machine parameters. When the model parameters and the real machine parameters do not match, the
The DC charging pile can expand the charging power through multiple modular charging units in parallel to improve the charging speed. Each charging unit includes Vienna rectifier, DC...
The function block of this new power architecture is shown in Fig. 4. Fig.4. New AC/DC power architecture for battery charging . Based on this power architecture, the following topology structure of Fig.5 can be used to serve wide output voltage
In this paper, a novel DC charging pile structure based on soft switching technology is proposed, which consists of a power factor correction (PFC) part connected to the power grid and a post-stage ZVS soft switching DC/DC converter. The front PFC uses a three-phase, three-wire VIENNA rectifier.
In this paper, a novel DC charging pile structure based on soft switching technology is proposed, which consists of a power factor correction (PFC) part connected to the power grid and a post
The energy storage charging pile achieved energy storage benefits through charging during off-peak periods and discharging during peak periods, with benefits ranging from 501.04 to 1467.78 yuan. At an average demand of 50 % battery capacity, with 50–200 electric vehicles, the cost optimization decreased by 18.2%–25.01 % before and after
This paper introduces a DC charging pile for new energy electric vehicles. The DC charging pile can expand the charging power through multiple modular charging units in parallel to improve the charging speed. Each charging unit includes Vienna rectier, DC transformer, and DC converter. The feasibility of the DC charging pile and the eectiveness of
This paper introduces a DC charging pile for new energy electric vehicles. The DC charging pile can expand the charging power through multiple modular charging units in parallel to improve
This paper analyzes a topology consisting of a permanent-magnet synchronous generator and a Vienna rectifier for a wind energy conversion system. A control strategy leading to maximum...
New energy electric vehicles will become a rational choice to achieve clean energy alternatives in the transportation fi eld, and the advantages of new energy electric vehicles rely on high energy storage density batteries and effi cient and fast charging technology. This paper introduces a DC charging pile for new energy electric vehicles. The DC charging pile can expand the charging
The DC charging pile can expand the charging power through multiple modular charging units in parallel to improve the charging speed. Each charging unit includes Vienna
This paper introduces a DC charging pile for new energy electric vehicles. The DC charging pile can expand the charging power through multiple modular charging units in parallel to improve
The energy storage charging pile achieved energy storage benefits through charging during off-peak periods and discharging during peak periods, with benefits ranging
This paper introduces a DC charging pile for new energy electric vehicles. The DC charging pile can expand the charging power through multiple modular charging units in parallel to improve the charging speed. Each charging unit includes Vienna rectifier, DC transformer, and DC converter. The feasibility of the DC charging pile and the
This paper introduces a new energy electric vehicle DC charging pile, including the main circuit topology of the DC charging pile, Vienna rectifier, DC transformer composed of dual active H-bridge converter, and DC converter composed of three interleaved circuits.
As one of the seven major new infrastructures, construction of charging piles for new energy vehicles requires a large investment and a long investment chain. Charging piles are of great significance to developing new
Smart Photovoltaic Energy Storage and Charging Pile Energy Management Strategy Hao Song Mentougou District Municipal Appearance Service Center, Beijing, 102300, China Abstract Smart photovoltaic energy storage charging pile is a new type of energy management mode, which is of great significance to promoting the development of new energy, optimizing the energy
This paper introduces a DC charging pile for new energy electric vehicles. The DC charging pile can expand the charging power through multiple modular charging units in parallel to improve the charging speed. Each charging unit includes Vienna rectifier, DC transformer, and DC converter.
Simulation waveforms of a new energy electric vehicle charging pile composed of four charging units Figure 8 shows the waveforms of a DC converter composed of three interleaved circuits. The reference current of each circuit is 8.33A, and the reference current of each DC converter is 25A, so the total charging current is 100A.
This paper introduces a high power, high eficiency, wide voltage output, and high power factor DC charging pile for new energy electric vehicles, which can be connected in parallel with multiple modular charging units to extend the charging power and thus increase the charging speed.
This paper introduces a high power, high efficiency, wide voltage output, and high power factor DC charging pile for new energy electric vehicles, which can be connected in parallel with multiple modular charging units to extend the charging power and thus increase the charging speed.
This DC charging pile and its control technology provide some technical guarantee for the application of new energy electric vehicles. In the future, the DC charging piles with higher power level, high frequency, high efficiency, and high redundancy features will be studied.
Topology 1 is the topology of a DC charging pile consisting of three parts: Vienna rectifier, DC transformer, and DC converter. Topology 2 is the topology of a DC charging pile consisting of two parts: Vienna rectifier and DC transformer. Table 10 Working efficiency of a DC charging pile with different topologies
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