Lyapunov analysis of two imbalanced power system areas

Pratama, Gilang Nugraha Putu and Cahyadi, Adha Imam (2021) Lyapunov analysis of two imbalanced power system areas. ECTI Transactions on Electrical Engineering, Electronics, and Communications, 19 (3). 312 – 321. ISSN 16859545

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Abstract

Transient stability refers to the system’s capability to preserve synchronism while affected by large disturbances. It is a nonlinear problem that requires the simultaneous solution of many differential equations. Therefore, a thorough analysis is needed to resolve it. In this paper, we present an analysis of multimachine transient stability under different fault cases using the Lyapunov function. It serves as an analytical tool to determine the condition necessary for stability. The system remains stable as long as it is contained in the region of attraction. Meanwhile, the swing equation and reduced admittance matrix are used to model the system in three conditions: Pre-fault, during the fault, and post-fault. Numerical simulations are conducted to verify the preservation of synchronism under fault on the transmission lines by achieving the critical clearing time. © 2021 Author(s).

Item Type: Article
Additional Information: Cited by: 1; All Open Access, Hybrid Gold Open Access
Uncontrolled Keywords: Lyapunov Function; Multimachine Power System; Stability Transient Stability; Critical Clearing Time
Subjects: T Technology > TK Electrical engineering. Electronics Nuclear engineering
Divisions: Faculty of Engineering > Electrical and Information Technology Department
Depositing User: Sri JUNANDI
Date Deposited: 30 Oct 2024 00:55
Last Modified: 30 Oct 2024 00:55
URI: https://ir.lib.ugm.ac.id/id/eprint/8447

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