Changyu Gao - IEEE Xplore Author Profile
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Changyu Gao

Publications
8
Citations
50
Publications by Year
20202025
Co-Authors:
Show All Co-Authors (20)
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Changyu Gao

Affiliation

School of Electrical Engineering
Beijing Jiaotong University
Beijing, China

Publication Topics

Biography

Changyu Gao (Student Member, IEEE) was born in Jinan, China, in 1997. He received the B.S. degree in electrical engineering from Shandong University of Science and Technology, Qingdao, China, in 2019. He is currently working toward the M.S. degree in electrical engineering with the School of Electrical Engineering, Beijing Jiaotong University, Beijing, China.,His current research interests include DC-DC converters and solid-state-transformer.(Based on document published on 6 November 2020).
Publications
8
Citations
50
Publications by Year
20202025
Co-Authors:
Show All Co-Authors (20)
Author's Published Works

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ZVS Boundary Analysis and Optimization Strategy of Phase-Shift Values for Three-Level Dual-Active-Bridge Converters Using Harmonic Decomposition

Wei Shao;Chenchen Wang;Kai Li;Zhibo Zhang;Changyu Gao

IEEE Transactions on Power Electronics
Year: 2025 | Early Access Article |
The dual-active-bridge (DAB) converter, comprising a primary-side three-level neutral-point-clamped (NPC) bridge and a secondary-side H-bridge, represents a promising topology for voltage conversion applications between medium-voltage DC (MVDC) and low-voltage DC (LVDC). To ensure efficient operation under high-frequency conditions, it is imperative to realize a wide zero-voltage-switching (ZVS) r...Show More

ZVS Boundary Analysis and Optimization Strategy of Phase-Shift Values for Three-Level Dual-Active-Bridge Converters Using Harmonic Decomposition

Wei Shao;Chenchen Wang;Kai Li;Zhibo Zhang;Changyu Gao

Year: 2025 | Early Access Article |

Research on Power Decoupling and Optimal Control of Modular Multiactive Bridge Converter With Relay Port

Changyu Gao;Kai Li;Zhibo Zhang;Fan Yuan;Sheng Zhang;Xiaojie You;Chenchen Wang

IEEE Transactions on Power Electronics
Year: 2025 | Volume: 40, Issue: 4 | Journal Article |
Modular multiactive bridge (MMAB) converter is a modular, scalable, and promising multiport converter that facilitates flexible interconnection among various power sources and loads. In the conventional MMAB configuration, all ports are coupled to a common high-frequency link through multiple high-frequency transformers, which inherently induces cross-coupling power flow between ports. This articl...Show More

Research on Power Decoupling and Optimal Control of Modular Multiactive Bridge Converter With Relay Port

Changyu Gao;Kai Li;Zhibo Zhang;Fan Yuan;Sheng Zhang;Xiaojie You;Chenchen Wang

Year: 2025 | Volume: 40, Issue: 4 | Journal Article |

Generalized Model of n-Port Modular Multiactive Bridge Converter With Multiple-Phase-Shift Modulation

Changyu Gao;Kai Li;Zhibo Zhang;Shicheng Zhang;Sheng Zhang;Xiaojie You;Sizhao Lu

IEEE Transactions on Transportation Electrification
Year: 2025 | Volume: 11, Issue: 1 | Journal Article |
Cited by: Papers (2)
The modular multiactive bridge (MMAB) converter is a promising multiport converter topology for integrating multiple energy sources, energy storage systems, and loads. However, a generalized model of the MMAB converter has not been derived. In this study, an $n$ -port MMAB converter model with multiple-phase-shift (MPS) modulation based on the generalized state-space averaging method is proposed....Show More

Generalized Model of n-Port Modular Multiactive Bridge Converter With Multiple-Phase-Shift Modulation

Changyu Gao;Kai Li;Zhibo Zhang;Shicheng Zhang;Sheng Zhang;Xiaojie You;Sizhao Lu

Year: 2025 | Volume: 11, Issue: 1 | Journal Article |

High Voltage Gain Soft-Switching Bidirectional DC-DC Converter With High Extendibility Using Coupled Inductor

Fan Yuan;Ruixiang Hao;Xiaojie You;Changyu Gao

IEEE Journal of Emerging and Selected Topics in Power Electronics
Year: 2024 | Volume: 12, Issue: 5 | Journal Article |
This article proposes a generalized scheme of new soft-switching interleaved bidirectional dc-dc converters (BDCs) that is suitable for high voltage gain and high-power applications. The proposed converter is composed of proper numbers of basic cells to achieve high voltage gain and high-power transmission, which leads to high extendibility in topology. Meanwhile, the basic cell combines coupled i...Show More

High Voltage Gain Soft-Switching Bidirectional DC-DC Converter With High Extendibility Using Coupled Inductor

Fan Yuan;Ruixiang Hao;Xiaojie You;Changyu Gao

Year: 2024 | Volume: 12, Issue: 5 | Journal Article |

An Automatic Neutral Section Power Supplier Serving as Railway Power Conditioner on Time-Division Basis

Zhibo Zhang;Trillion Q. Zheng;Changyu Gao;Kai Li;Jiawei Guo

IEEE Transactions on Power Electronics
Year: 2024 | Volume: 39, Issue: 8 | Journal Article |
Cited by: Papers (2)
To address the issue of brief power outages when trains pass through the neutral section, various automatic neutral section power suppliers have been investigated. However, the schemes in existing literature have two main problems: the converter has numerous bridge legs and large capacity, and only operates briefly during trains passing through the neutral section, remaining in standby and idle st...Show More

An Automatic Neutral Section Power Supplier Serving as Railway Power Conditioner on Time-Division Basis

Zhibo Zhang;Trillion Q. Zheng;Changyu Gao;Kai Li;Jiawei Guo

Year: 2024 | Volume: 39, Issue: 8 | Journal Article |

Generalized State-Space Averaging Modeling of Dual-Active-Bridge Converter With Triple-Phase-Shift Control

Shicheng Zhang;Kai Li;Yan Liang;Changyu Gao;Xiaojie You;Chenchen Wang

2022 IEEE International Power Electronics and Application Conference and Exposition (PEAC)
Year: 2022 | Conference Paper |
Cited by: Papers (3)
This paper proposes a generalized model based on the generalized state-space averaging model for dual-active-bridge (DAB) DC-DC converters. The proposed model is suitable for all modulation modes, and the model is general, and the model will not be different due to the change of the transmission power mode. The model uses the AC first-order component of the inductor current and the DC component of...Show More

Generalized State-Space Averaging Modeling of Dual-Active-Bridge Converter With Triple-Phase-Shift Control

Shicheng Zhang;Kai Li;Yan Liang;Changyu Gao;Xiaojie You;Chenchen Wang

Year: 2022 | Conference Paper |

Design and Implementation of Four-Port Megawatt-Level High-Frequency-Bus Based Power Electronic Transformer

Kai Li;Wusong Wen;Zhengming Zhao;Liqiang Yuan;Weiqian Cai;Xin Mo;Changyu Gao

IEEE Transactions on Power Electronics
Year: 2021 | Volume: 36, Issue: 6 | Journal Article |
Cited by: Papers (42)
With high penetration of various distributed energy resources and dc loads in modern power system, ac/dc hybrid distributed grid attracts a lot of attention due to its compatibility. Aiming for interface of the ac/dc hybrid distributed grid, a four-port megawatt-level power electronic transformer (PET) is focused on in this article. A novel high-frequency-bus based multiport PET topology is propos...Show More

Design and Implementation of Four-Port Megawatt-Level High-Frequency-Bus Based Power Electronic Transformer

Kai Li;Wusong Wen;Zhengming Zhao;Liqiang Yuan;Weiqian Cai;Xin Mo;Changyu Gao

Year: 2021 | Volume: 36, Issue: 6 | Journal Article |

Back-to-Back H-Bridge Cell Based Modular Solid State Transformer with High-Frequency Link

Changyu Gao;Kai Li;Yongsheng Qi;Xiaojie You;Xianjin Huang;Zhengming Zhao;Wusong Wen

2020 IEEE 9th International Power Electronics and Motion Control Conference (IPEMC2020-ECCE Asia)
Year: 2020 | Conference Paper |
Cited by: Papers (1)
With the features of control flexibility, multiple functions and compact size, solid state transformer (SST) is considered to be a promising candidate for the energy conversion in applications such as charge station, data center, distribution grid, traction systems and so on. Generally, SST is used to transform medium-voltage AC to low-voltage AC, through the intermediate DC link. Two modular SST ...Show More

Back-to-Back H-Bridge Cell Based Modular Solid State Transformer with High-Frequency Link

Changyu Gao;Kai Li;Yongsheng Qi;Xiaojie You;Xianjin Huang;Zhengming Zhao;Wusong Wen

Year: 2020 | Conference Paper |

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