In , the rectifier of DC charging pile is three-phase two-level PWM rectifier, and the three-phase two-level PWM rectifier must be connected to an LC or LCL filter for filtering, otherwise the rectifier will inject a large harmonic current into the grid.
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.
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
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 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.
The advantage of DC charging pile is that the charging voltage and current can be adjusted in real time, and the charging time can be significantly shortened when the charging current are large, which is a more widely used charging method at present.
A three-phase three-level Vienna rectifier is proposed to improve the power factor and reduce harmonic content for DC charging pile. Based on current hysteresis …
In order to further improve the accuracy of energy efficiency measurement scheme, the simulation model of three-phase bridge type controllable rectifier DC charging pile is implemented. …
The construction of public-access electric vehicle charging piles is an important way for governments to promote electric vehicle adoption. The endogenous relationships …
• Suitable for V2G DC charging and energy storage application • Lower cost • Easy implementation • High reliability
bridge PWM rectifier with direct power control is us ed as the rectification part of the charging module. Although it can realize power factor correction, it has many …
EV fast-charging pile in in the station is a three-phase AC/DC voltage source converter. The electrical tropology of the fast-charging pile is shown in Figure 2 .
Energy Storage Charging Pile Management Based on Internet of Things Technology for Electric Vehicles Zhaiyan Li 1, Xuliang Wu 1, Shen Zhang 1, Long Min 1, Yan Feng 2,3,*, Zhouming …
• Suitable for V2G DC charging and energy storage application • Lower cost • Easy implementation • High reliability
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 rise in the number of electric vehicles used by the consumers is shaping the future for a cleaner and energy-efficient transport electrification. The commercial success of …
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 …
A three-phase three-level Vienna rectifier is proposed to improve the power factor and reduce harmonic content for DC charging pile. Based on current hysteresis
support long-range EV batteries through fast charging stations up to 120 kW or more. The DC/DC converter in a charging station must be capable of interfacing with the rectified bus voltage …
With the increasing number of electric vehicles, V2G (vehicle to grid) charging piles which can realize the two-way flow of vehicle and electricity have been put into the …
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 …
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 …
The equivalent model of three-phase bridge rectifier charging pile is shown in Figure 2. In practice, a three-phase bridge type rectifying charging pile is commonly used, and the...
The equivalent model of three-phase bridge rectifier charging pile is shown in Figure 2. In practice, a three-phase bridge type rectifying charging pile is commonly used, and the...
The rectifier bridge in the rectifier of a DC charging pile is a key component for converting alternating current (AC) to direct current (DC). Here are six key points detailing the functions, …
Vienna rectifiers are developed for large power systems such as 60kW and above. The significance of this reference design is to showcase the value of this rectifier. High-power …
The utility model relates to the technical field of charging piles and discloses a rectifier bridge for a charging pile, which comprises a charging pile module bearing plate and a...
Download scientific diagram | Equivalent model of three-phase bridge rectifier charging pile. from publication: Research on harmonic transfer between HVDC transmission and AC grid | Due to the ...