A Novel Stator Winding Capacitance Dividing Method for the Generator with Considerable Winding Distributed Capacitance

Author

Tao, Yonghong ; Tian, Qing ; Lin, Xiangning

Author_Institution

Dept. of Electr. Inf., Xihua Univ., Chengdu

fYear

2007

Firstpage

1

Lastpage

6

Abstract

This paper presents a method which can equivalently arrange the capacitance distribution along with the winding of the generator on the terminal and neutral respectively in a reasonable partition, particularly for a type of high-voltage graded insulated cable wound generator, Powerformer. This method can be used to compensate the capacitive current wholly to improve the reliability of the differential protection. It is proved that the capacitive current in the case of normal operation, external fault and internal fault can be calculated using the same dividing method. The formula of the partition coefficient is provided and the characteristic of the coefficient is explored by MATLAB software.

Keywords

AC generators; capacitance; power cables; stators; MATLAB software; capacitive current compensation; differential protection reliability; external fault; generator winding; high-voltage graded insulated cable wound generator; internal fault; partition coefficient formula; powerformer; stator winding capacitance dividing method; winding distributed capacitance; Cable insulation; Capacitance; Distributed power generation; MATLAB; Power cable insulation; Power cables; Power generation; Protection; Stator windings; Wounds; Powerformer; cable capacitance; graded insulation;

fLanguage

English

Publisher

ieee

Conference_Titel

Power Engineering Society General Meeting, 2007. IEEE

ISSN

1932-5517

Print_ISBN

1-4244-1296-X

Electronic_ISBN

1932-5517

Type

conf

DOI

10.1109/PES.2007.385777

Filename

4275543