Investigation on H-8 VSI architecture for bearing currents mitigation in VFD

被引：0

作者：

Barater, D. ^{[1
]}

Franceschini, G. ^{[1
]}

Immovilli, F. ^{[2
]}

Lorenzani, E. ^{[2
]}

机构：

[1] Univ Parma, DIA Dept Engn & Architecture, Parma, Italy

[2] Univ Modena & Reggio Emilia, DISMI Dept Sci & Methods Engn, Reggio Emilia, Italy

来源：

IECON 2017 - 43RD ANNUAL CONFERENCE OF THE IEEE INDUSTRIAL ELECTRONICS SOCIETY | 2017年

关键词：

leakage currents; DC source; H8; inverter; active DC-decoupling devices; common-mode voltage reduction; electric drives;

D O I：

暂无

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

This paper assesses the use of a modified three phase VSI topology with additional switches (H8) together with suitable modulation techniques as a mean for common-mode voltage reduction in electric drives with the aim of mitigating the onset of harmful bearing currents. Bearing currents in inverter-fed motors are related to the high dv/dt variation, induced at the motor terminals by the converters. The problem, already known in industry for Si-Based converters, is now aggravated by the use of wide-bandgap devices in More Electric Aircraft applications. This paper evaluates the use H8 topology for mitigating the phenomenon, comparing its performance against the one of a conventional three-phase full-bridge converter, by means simulation and experimental results.

引用

页码：4391 / 4396

页数：6