Results 1 to 10 of about 14,560 (278)

A fault state detection method for DC charging pile charging module based on minimum fourth-order moments adaptive filtering algorithm

Journal of Radiation Research and Applied Sciences
It is necessary to accurately judge the fault state of the charging module of DC charging pile in order to ensure the safe and reliable operation of DC charging pile.
Yongmin Zhang
exaly   +4 more sources

Repetitive control without inductance decoupling for VSR control strategy of DC charging pile

Journal of Measurement Science and Instrumentation
A control strategy of repetitive control without inductorance decoupling was proposed to address the problem of high total harmonic distortion(THD) rate of the network-side current caused by the reduced stability of the rectifier module of the DC ...
LIU Peijin, SUN Changhe, HE Lin, ZHANG Xiangrui, FENG Zhengming   +4 more
doaj   +4 more sources

Investigation on prediction of noise characteristics in full-frequency spectrum of DC charging pile and design for noise mitigation

Results in Engineering
The objective of this study is to swiftly and precisely forecast the acoustic properties across full-frequency of a 120 kW direct current (DC) charging pile and enhance the noise reduction design.
Shunyuan Zhou, Qi Pan, Yuming Zhang, Bingyun Jiang, A.W. Tiako Youani, Yanbo Lv   +5 more
doaj   +3 more sources

Vienna Rectifier for DC Charging Pile [PDF]

IOP Conference Series: Materials Science and Engineering, 2020
Abstract 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 comparison control strategy, voltage deviation of midpoint of dc-link capacitor is introduced into current reference, and voltage balance of midpoint of dc-link is ...
Jun Chou, Mingda Zhang, Sijin Wang, Yihui Sun, Jianyu Bao   +4 more
openaire   +2 more sources

Thermal analysis of electric vehicle DC charging pile power module based on two-dimensional ordered porous structure radiator [PDF]

E3S Web of Conferences, 2020
In order to improve the heat dissipation performance and study the factors affecting the heat dissipation effect of a two-dimensional ordered porous structure, a thermal analysis of the radiator in the power module of a DC charging pile was carried out ...
Han Ying, Liu Zhi-jun, Hou Chun-guang, Cao Yun-dong, Zhai Li-rong   +4 more
doaj   +2 more sources

Fault diagnosis of DC-DC module of V2G charging pile based on Fuzzy Neural Network

IOP Conference Series: Earth and Environmental Science, 2021
Abstract Aiming at the problem of fault diagnosis of switching devices in DC/DC module of V2G charging pile, a diagnosis method based on fuzzy neural network is proposed. The method combines fuzzy mathematics with neural network, adopts 4-layer forward network and a step degree optimization algorithm, uses the self-learning and self ...
Qunfei Wang, Xiaoli Lu, Dongjunming Yang
openaire   +2 more sources

Stability analysis and self-excited oscillation suppression of DC charging pile under wide charging power range

Results in Engineering
Yihan Chen
exaly   +4 more sources

Flexible Power Distribution Technology Based on Modular DC Charging Pile

DEStech Transactions on Materials Science and Engineering, 2021
With the rapid development of electric vehicle industry in China, the contradiction between the increasing users' demand for real-time charging and the unbalanced planning and design of charging piles is increasingly apparent. DC charging pile on the market is developed rapidly, but its structure is with multi-gun to one-pile.
Weifeng Zhang, Zhengjun Jin, Shuxuan Song, Tao Feng, Yisheng Mao   +4 more
openaire   +3 more sources

Improved sliding mode control of DC charging pile rectifier based on novel exponential reaching law

Journal of Measurement Science and Instrumentation, 2023
In view of the large fluctuation and overshooting problems of the DC side output voltage of AC/DC rectifier when electric vehicle DC charging pile is under complex operating and frequent switching conditions, an improved sliding mode control method based
LIU Peijin, WANG Zhengkai, HE Lin, XIAO Yong   +3 more
doaj   +3 more sources

Assessment of Electromagnetic Exposure Levels for Humans from Electric Vehicle DC Charging Stations [PDF]

Sensors
The potential health risks of DC charging piles to human health were investigated by quantifying the internal electromagnetic exposure level. In this study, the transformer in the DC/DC circuit of a DC charging pile was selected as the radiation source ...
Shaowen Dong, Mai Lu
doaj   +2 more sources