Pattern Analysis of Turbine Generators On-Line Discharge Zone Location in Winding

被引：0

作者：

Aksenov, Yury P. ^{[1
]}

Yaroshenko, Igor V. ^{[1
]}

Noe, Giuseppe

Andreev, Andrey V. ^{[2
]}

Arces, Ignazio ^{[3
]}

机构：

[1] DIACS Co, Moscow, Russia

[2] Union SRL, I-21100 Varese, Italy

[3] Sannazzarro Refinery Petroleum West Plants, Sannazzarro, Italy

来源：

2009 IEEE INTERNATIONAL SYMPOSIUM ON DIAGNOSTICS FOR ELECTRIC MACHINES, POWER ELECTRONICS AND DRIVES | 2009年

关键词：

Arc discharges; fault location; insulation testing; monitoring; partial discharges; turbine generator; sparks;

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：

Condition-based maintenance for turbine generators (TG) is given in the paper. Defects in stator winding and in magnet core are determined before repair on the basis of double-coordinate on-line discharge events location. Full information about ground wall semiconductivity layer in bars, slot discharges, sparking between plates in magnet core are provided by generators measurements operating load from W-min to W-max. Defect diagnostics have affirmed the forecasted failures: 1) migrating iron particles were detected through location and were registered protractedly by in-service installed continuum monitoring system for TG; 2) sparking in core located; 3) partial discharges (PD) located; 4) slot discharges located. The quality of the repair work has been monitored by the double-coordinate location and operating load variation, tests have confirmed defect absence.

引用

页码：164 / +

页数：2

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