Investigations on characteristic parameters to evaluate the condition of the insulation system for high voltage rotating machines

被引：1

作者：

Farahani, M ^{[1
]}

Borsi, H ^{[1
]}

Gockenbach, E ^{[1
]}

Kaufhold, M ^{[1
]}

机构：

[1] Univ Hannover, Inst Elect Power Syst, Schering Inst, D-30167 Hannover, Germany

来源：

CONFERENCE RECORD OF THE 2004 IEEE INTERNATIONAL SYMPOSIUM ON ELECTRICAL INSULATION | 2004年

关键词：

D O I：

10.1109/ELINSL.2004.1380418

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 contribution reports on the investigations of partial discharge (PD) and dissipation factor measurements as function of the applied test voltage to evaluate the actual status of insulation system for high voltage rotating machines due to thermo-mechanical stress. As test object actual stator bars were used, based on the epoxy VPI technology. A defined, well-known accelerated aging procedure was applied on the stator bars model which simulates the aging procedures of the stator insulation system due to service cyclic duty. During the thermo-mechanical aging procedure the changes in the dissipation factor as function of applied voltage and partial discharge activities were studied and possibilities to determine the condition of the insulation system researched.

引用

页码：4 / 7

页数：4

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