Impacts of distributed generation on voltage sag assessment in Thailand´s distribution systems

Author

Tayjasanant, T. ; Surisunthon, S.

Author_Institution

Chulalongkorn Univ., Bangkok, Thailand

fYear

2012

fDate

17-20 June 2012

Firstpage

624

Lastpage

629

Abstract

This paper presents impacts of distributed generation (DG) on voltage sag assessment in distribution systems. Voltage sag assessment is analyzed by using the method of fault positions in order to determine area of vulnerability, voltage sag frequency and voltage sags index. Impacts of DG´s locations, sizes, operation modes and transformer connections on voltage sag are studied. The proposed method is applied to a Thailand distribution system as a test case. Some results are compared with actual sag measurements.

Keywords

distributed power generation; fault location; power distribution faults; power generation faults; power supply quality; power transformers; DG locations; Thailand distribution systems; distributed generation; fault positions; transformer connections; voltage sag assessment; voltage sag frequency; voltage sag index; voltage sag measurements; Accuracy; Indexes; Size measurement; Distributed generation; area of vulnerability; method of fault positions; voltage sag frequency; voltage sag index;

fLanguage

English

Publisher

ieee

Conference_Titel

Harmonics and Quality of Power (ICHQP), 2012 IEEE 15th International Conference on

Conference_Location

Hong Kong

ISSN

1540-6008

Print_ISBN

978-1-4673-1944-7

Type

conf

DOI

10.1109/ICHQP.2012.6381238

Filename

6381238