Insulation Coordination for a Modular Multilevel Converter Prototype

被引：0
|
作者：
Christe, Alexandre [1 ]
Coulinge, Emilien [1 ]
Dujic, Drazen [1 ]
机构：
[1] Ecole Polytech Fed Lausanne, Power Elect Lab, Stn 11, CH-1015 Lausanne, Switzerland
来源：
2016 18TH EUROPEAN CONFERENCE ON POWER ELECTRONICS AND APPLICATIONS (EPE'16 ECCE EUROPE) | 2016年
关键词：
Modular Multilevel Converters (MMC); Design; Insulation; FEM calculation;
D O I：
暂无
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：
This paper provides a detailed overview of the dielectric design and insulation coordination applied to a medium voltage modular multilevel converter prototype. The complete system has ratings of 0.5MVA and is designed for connection to a 10 kV(dc) supply with a system voltage of 6.6 kV(ac). The choice of air as insulating and cooling medium requires careful considerations regarding the clearance and creepage distances with respect to the selected materials. The design considerations from the submodule to the cabinet level are presented in the paper, considering safety standards and their requirements for a selected over-voltage category and pollution degree. The final dielectric design is verified experimentally with dielectric ac withstand test and partial discharge measurements.
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页数：9
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