Transient Instantaneous Voltage Sag of Distributed Generation Bus in Muangxay Substation, Oudomxay Province, Laos

Khamhyo Phothilath; Kittipong Tonmitr; Pramin Artrit

doi:10.4028/www.scientific.net/AMM.752-753.1170

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vols. 752-753Transient Instantaneous Voltage Sag of Distributed...

Transient Instantaneous Voltage Sag of Distributed Generation Bus in Muangxay Substation, Oudomxay Province, Laos

Abstract:

This paper presents the transient instantaneous voltage sag analysis of distributed generation (DG) in distribution system. The behavior of voltage sag is analyzed by using DigSILENT power factory software (DPFS). As affected by unsymmetrical fault of feeder 2, the calculation of initial condition carries out through instantaneous values (electromagnetic transients). The simulation results show that instantaneous voltage sag affects the DG and operation of electrical equipment. The phase short circuit affects the voltage waveform, varies from the original waveform and caused the flicker transient problem.

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Periodical:

Applied Mechanics and Materials (Volumes 752-753)

Pages:

1170-1174

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.752-753.1170

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Online since:

April 2015

Authors:

Khamhyo Phothilath, Kittipong Tonmitr*, Pramin Artrit

Keywords:

Distributed Generation, Instantaneous Voltage Sag, Single Line to Ground Fault

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