Results 1 to 10 of about 3,388 (263)

Capacitive Filter Based HVDC Converter for Reducing the Vibration and Noise of Converter Transformer

IEEE Access, 2022
Harmonic currents generated by converters in the HVDC system flow into the converter transformer. The harmonic current and voltage in the converter transformer will cause electromagnetic vibration of windings and iron core, which result in serious noise ...
Liang Zhao, Longfu Luo, Yong Li, Hao Zhang, Jinwen Xiang   +4 more
doaj   +2 more sources

A High-Power-Density Active-Clamp Converter with Integrated Planar Transformer

Energies, 2022
This paper proposes an active-clamp forward-flyback (ACFF) converter with an integrated planar transformer for wide-input voltage and high-output current applications, such as low-voltage direct-current (LDC) converters in electric vehicles.
Dae-Woo Lee, Ji-Hoon Lim, Dong-In Lee, Han-Shin Youn   +3 more
doaj   +3 more sources

Design Requirement and DC Bias Analysis on HVDC Converter Transformer [PDF]

E3S Web of Conferences, 2021
The converter transformer plays a critical role in the high-voltage direct current (HVDC) transmission system, which connects but separates the AC grids and the converter.
Peng Weijian, Liu Qi, Liang Li, Jiang Wenqi, Zhang Zhuoyuan   +4 more
doaj   +1 more source

Analytical modeling and calculation of core grounding current in converter transformer

Frontiers in Energy Research, 2023
In recent years, the calculation of the core grounding current of the converter transformer is difficult, low precision, and time-consuming, especially when the core is grounded by multiple points.
Xiu Zhou, Tian Tian, Peng Wu, Yan Luo, Jin Bai, Ninghui He, Xiuguang Li   +6 more
doaj   +1 more source

Research on finite element simulation of converter transformer core under multi-point grounding fault

Energy Reports, 2023
The converter transformer is an electrical equipment with a symmetrical structure. Due to its symmetry, the ground current should be small when the core is grounded at one point.
Xiu Zhou, Tian Tian, Peng Wu, Yan Luo, Jin Bai, Ninghui He, Xiuguang Li, Dezhi Chen, Haonan Bai   +8 more
doaj   +1 more source

Calculation of inlet capacitance for long-duration induction voltage test of single-phase three-winding converter transformers

Energy Reports, 2023
The converter transformer is one of the core equipment in the high-voltage DC (HVDC) transmission project. The capacity of the converter transformer is much larger than that of an ordinary AC transformer, and its main function is to convert the AC system
Shijie Li, Jinzhuang Lv, Jiankun Wang, Jinzhou Xiong, Xinbo Zhang, Xuzhe Li   +5 more
doaj   +1 more source

Converting Epics/Stories into Pseudocode Using Transformers

2023 IEEE 20th India Council International Conference (INDICON), 2023
2023 IEEE ...
Gaurav Kolhatkar, Akshit Madan, Nidhi Kowtal, Satyajit Roy, Sheetal Sonawane   +4 more
openaire   +2 more sources

Operation State Identification Method for Converter Transformers Based on Vibration Detection Technology and Deep Belief Network Optimization Algorithm

Actuators, 2021
The converter transformer is a special power transformer that connects the converter bridge to the AC system in the HVDC transmission system. Due to the special structure of the converter transformer, it is necessary to test its operation state during ...
Yongye Wu, Zhanlong Zhang, Rui Xiao, Peiyu Jiang, Zijian Dong, Jun Deng   +5 more
doaj   +1 more source

A Dual-Transformer-Based Bidirectional DC–DC Converter of Using Blocking Capacitor for Wide ZVS Range

IEEE Access, 2020
In order to improve the efficiency of battery charging and discharging in a wide conversion gain, a dual-transformer-based full bridge converter using a block capacitor was proposed. By adding the blocking capacitor in the primary side of one transformer,
Yanke Liang, Xu Liu, Guokai Xu, Shuaichao Yue   +3 more
doaj   +1 more source

Full-Bridge Active-Clamp Forward-Flyback Converter with an Integrated Transformer for High-Performance and Low Cost Low-Voltage DC Converter of Vehicle Applications

Energies, 2020
This paper presents a full-bridge active-clamp forward-flyback (FBACFF) converter with an integrated transformer sharing a single primary winding. Compared to the conventional active-clamp-forward (ACF) converter, the proposed converter has low voltage ...
Jaeil Baek, Han-Shin Youn
doaj   +1 more source