A novel differential protection method based on simultaneous sampling value of three-phase current

Author

Sun, B.X. ; Chan, K.W. ; Pan, J.F.

Author_Institution

Guang Dong Electr. Power Design Inst., Guangzhou, China

Volume

2

fYear

2005

fDate

2-6 Oct. 2005

Firstpage

843

Abstract

Switching off fault fast is a low investment, high effect method to make power system transient stable. In this paper, the development process of current differential protection is presented together with detailed analysis of recent current phase differential protection theories. Furthermore, a novel current differential protection method which composed of simultaneous sampling value of three-phase current is presented. The validity of the proposed method is fully validated using EMTP simulation. Simulation results show that the method is effective and reliable.

Keywords

power system faults; power system protection; power system transient stability; EMTP simulation; current differential protection; power system transient stability; simultaneous sampling value; three-phase current; Investments; Power system faults; Power system protection; Power system relaying; Power system reliability; Power system simulation; Power system transients; Protective relaying; Sampling methods; Vectors;

fLanguage

English

Publisher

ieee

Conference_Titel

Industry Applications Conference, 2005. Fourtieth IAS Annual Meeting. Conference Record of the 2005

ISSN

0197-2618

Print_ISBN

0-7803-9208-6

Type

conf

DOI

10.1109/IAS.2005.1518434

Filename

1518434