On-line Turn-to-Turn Protection Method of the Synchronous Machines Field Winding

被引：0

作者：

Tian, Pengfei ^{[1
]}

Platero, Carlos A. ^{[1
]}

Gyftakis, Konstantinos N. ^{[2
]}

机构：

[1] Univ Politecn Madrid, Dept Elect Engn, Escuela Tecn Super Ingn Ind, Madrid 28006, Spain

[2] Univ Edinburgh, Sch Engn, Edinburgh, Midlothian, Scotland

来源：

PROCEEDINGS OF THE 2019 IEEE 12TH INTERNATIONAL SYMPOSIUM ON DIAGNOSTICS FOR ELECTRICAL MACHINES, POWER ELECTRONICS AND DRIVES (SDEMPED) | 2019年

关键词：

Condition monitoring; Power generation protection; Synchronous generator; Turn-to-turn fault;

D O I：

10.1109/demped.2019.8864853

中图分类号：

TE [石油、天然气工业]; TK [能源与动力工程];

学科分类号：

0807 ; 0820 ;

摘要：

Turn-to-turn faults are quite common in the synchronous generator field winding, especially in the turbo-generator types. This condition may be caused by either the double- ground fault of the winding or by a lack of insulation between adjacent turns. This paper presents a new on-line protection method for turn-to-turn faults in field windings of synchronous machines with static excitation system. The proposed method is based on the comparison of the measured excitation current with the theoretical excitation current calculated from the stator voltages and currents for the actual operation point. The method has been validated by experimental results using a special laboratory synchronous machine.

引用

页码：69 / 74

页数：6

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