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160178

Transient Stability Analysis Based on the Post-Disturbance Two-Machine Equivalent.

Article

Last updated: 22 Jan 2023

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Tags

Electrical Engineering

Abstract

This paper presents a method of power system transient stability analysis, based on two-machine equivalent. The method first computes the actual system trajectory using time domain simulation of fault-on system, then at clearing time, evaluates the kinetic energy and acceleration of each machine in order to identify the severely disturbed machine (or machines). Each of the severely disturbed machines and all remaining machines are grouped together in one equivalent machine, forming the two-machine equivalent.
Based on the relative kinetic energy of the two-machine equivalent, a method for detecting the system stability or instability and computing the critical clearing time is developed.
The proposed method is applied successfully to a 3-machine 9-bus power system and a 4-machine 19-bus power system which represents the 220 KV Mid-Delta region network of Egypt. The simulation results show that the method can provide reliable and quick information about the transient stability analysis of a power system and it may become effective for on-line applications.

DOI

10.21608/bfemu.2021.160178

Authors

First Name

Attia

Last Name

Attia

MiddleName

Abd El-Ghany

Affiliation

Assistant Professor of Department of Electrical Power & Machines, Faculty of Engineering, El-Mansoura University, Mansoura, Egypt.

Email

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City

Mansoura

Orcid

-

Volume

20

Article Issue

1

Related Issue

23470

Issue Date

1995-03-01

Receive Date

1995-01-11

Publish Date

2020-03-01

Page Start

57

Page End

71

Print ISSN

1110-0923

Online ISSN

2735-4202

Article File

BFEMU_Volume 20_Issue 1_Pages 57-71.pdf

PDF . 646.2kB

Link

https://bfemu.journals.ekb.eg/article_160178.html

Detail API

https://bfemu.journals.ekb.eg/service?article_code=160178

Order

7

Type

Research Studies

Type Code

1,205

Publication Type

Journal

Publication Title

MEJ. Mansoura Engineering Journal

Publication Link

https://bfemu.journals.ekb.eg/

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Details

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Article

Created At

22 Jan 2023