Partial Discharge Characterization of Solid-Dielectric-Based Transformer Under High Frequency High dv/dt PWM Voltage for MV Applications

被引：2
|
作者：
Guo, Zhehui [1 ]
Li, Hui [1 ]
Cheetham, Peter [1 ]
Guvvala, Nagaraju [1 ]
机构：
[1] Florida State Univ, Ctr Adv Power Syst, Tallahassee, FL 32310 USA
来源：
2023 IEEE APPLIED POWER ELECTRONICS CONFERENCE AND EXPOSITION, APEC | 2023年
关键词：
High frequency; high dv/dt; partial discharge (PD); PWM voltage excitation; solid dielectrics; coreless transformer; gate driver power supply (GDPS); medium-voltage (MV) SiC MOSFET; ISOLATED GATE DRIVER;
D O I：
10.1109/APEC43580.2023.10131602
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
In this paper, the partial discharge (PD) of a solid-dielectric-based coreless transformer applied in an isolated gate driver power supply for 10-kV SiC MOSFETs is experimentally evaluated under a high frequency, high dv/dt PWM voltage. A PD test platform is built with a 10-kV SiC power module to generate high frequency, high dv/dt PWM voltage. Different PD detection equipment, including the photomultiplier tube (PMT), ultra-high frequency (UHF) antenna and high frequency current transformer (HFCT) are adopted to detect PD signals. Experimental results validated that the solid-dielectric-based coreless transformer achieves PD free at 100-kHz, up to 75-V/ns, 5-kV PWM voltage excitation. The PD results under high frequency, high dv/dt PWM voltage and 60-Hz ac voltage are also compared.
引用
收藏
页码：301 / 305
页数：5
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