Qichen Yang
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View article: Dynamic Current Balance and Voltage Drop Compensation Method for Parallel Energy Storage Supplied Electrical Vehicle Dc Charging Station
Dynamic Current Balance and Voltage Drop Compensation Method for Parallel Energy Storage Supplied Electrical Vehicle Dc Charging Station Open
View article: Modeling and Characterization of Surface Discharges in Insulating Material for Spacers: Electrode Shape, Discharge Mode, and Revision of the Creepage Concept
Modeling and Characterization of Surface Discharges in Insulating Material for Spacers: Electrode Shape, Discharge Mode, and Revision of the Creepage Concept Open
In the design of MV AC and DC spacers, the predominant factors are surface and interface conditions. Design is generally carried out on specifications and standards which are based on long-term experience and lab testing. However, the diff…
View article: Designing the Insulation System for Motors in Electrified Aircraft: Optimization, Partial Discharge Issues and Use of Advanced Materials
Designing the Insulation System for Motors in Electrified Aircraft: Optimization, Partial Discharge Issues and Use of Advanced Materials Open
Designing the insulation system for motors to be used in electrical aircraft requires efforts for maximizing specific power, but, in parallel, particular attention to achieve high reliability. As a major harm for organic insulation systems…
View article: On-line fault diagnosis and fault-tolerant operation of modular multilevel converters — A comprehensive review
On-line fault diagnosis and fault-tolerant operation of modular multilevel converters — A comprehensive review Open
Modular multilevel converters (MMCs) have been one of the most broadly used multilevel converter topologies in industrial applications, particularly in medium-voltage motor drives and high-voltage dc power conversion systems. However, due …
View article: Sliding Mode Control of the Modular Multilevel Converter
Sliding Mode Control of the Modular Multilevel Converter Open
The modular multilevel converter (MMC) has become the most promising converter topology for medium- and high-power applications. In this paper, a sliding mode control (SMC) based method is proposed for the MMC. Based on analysis of the sys…
View article: Cryogenic power electronics at megawatt-scale using a new type of press-pack IGBT
Cryogenic power electronics at megawatt-scale using a new type of press-pack IGBT Open
Electrical characteristics of a press-pack IGBT stack have been investigated experimentally in both static and dynamic tests at room temperature and at 77 K in an effort to identify a megawatt-scale class semiconductor that performs well e…