A unified model for the analysis of FACTS devices in damping power system oscillations. I. Single-machine infinite-bus power systems

1997 ◽  
Vol 12 (2) ◽  
pp. 941-946 ◽  
Author(s):  
H.F. Wang ◽  
F.J. Swift
Keyword(s):  
Power Systems ◽  
Power System ◽  
Single Machine ◽  
Unified Model ◽  
Facts Devices ◽  
Single Machine Infinite Bus ◽  
Power System Oscillations

Chaotic dynamics for a class of single-machine-infinite bus power system

2016 ◽  
Vol 24 (3) ◽  
pp. 582-587 ◽  
Author(s):  
Liangqiang Zhou ◽  
Fangqi Chen
Keyword(s):  
Power Systems ◽  
Power System ◽  
Single Machine ◽  
Chaotic Dynamics ◽  
Numerical Results ◽  
Chaotic Motions ◽  
System Parameters ◽  
Critical Curves ◽  
Single Machine Infinite Bus

The chaotic motions are investigated both analytically and numerically for a class of single-machine-infinite bus power systems. The mechanism and parametric conditions for chaotic motions of this system are obtained rigorously. The critical curves separating the chaotic and non-chaotic regions are presented. The chaotic feature of the system parameters is discussed in detail. It is shown that there exist chaotic bands for this system, and the bands vary with the system parameters. Some new dynamical phenomena are presented. Numerical results are given, which verify the analytical ones.

scholarly journals Nonlinear robust control for single-machine infinite-bus power systems with input saturation

2017 ◽  
Vol 65 (1) ◽  
pp. 3-9
Author(s):  
Y. Wan
Keyword(s):  
Power Systems ◽  
Power System ◽  
Single Machine ◽  
Input Saturation ◽  
Control Law ◽  
System A ◽  
Control Scheme ◽  
Single Machine Infinite Bus ◽  
The Stability ◽  
Nonlinear Robust

Abstract In this paper, a new control scheme is proposed to achieve stability for a single-machine infinite-bus power system. A power system model simultaneously considering input saturation and time-varying uncertainties is presented. A sufficient condition for the system convergence is given and based on this result, a switching excitation control law with auxiliary system is designed. The stability analysis and simulation results all show that the developed controller is effective.

Identification of External Power System Linear Dynamic Equivalents as MIMO Feedback Blocks for the Study System

2007 ◽  
Vol 8 (5) ◽  
Author(s):  
Hamed Shakouri G. ◽  
Hamid Lesani ◽  
Ali Mohammad Ranjbar ◽  
Hamidreza Radmanesh
Keyword(s):  
Power Systems ◽  
Power System ◽  
Single Machine ◽  
System Analysis ◽  
Dynamic Effects ◽  
Power Networks ◽  
Power System Analysis ◽  
Linear Dynamic ◽  
External Power ◽  
Single Machine Infinite Bus

The necessity of dynamic equivalents for power system analysis has been well known since the expansion of large interconnected power networks, and has been discussed during the last decades. The present paper proposes a new method for constructing dynamic equivalents of power systems. In this method, at the first step the ``study system" is modeled completely via a single machine-infinite bus modeling procedure. Then the ``external system" is identified as a MIMO feedback block of this model in such a manner that can include dynamic effects of the latter on the behavior of the former. The method is successfully experimented on a part of the Iranian southern network.

A Robust Control with the Combination of Fuzzy and SMC to Stabilize the Power System

2016 ◽  
Vol 4 (2) ◽  
pp. 341
Author(s):  
Mohammadreza Barzegaran ◽  
Sana Tajvidi
Keyword(s):  
Power Systems ◽  
Power System ◽  
Single Machine ◽  
Fuzzy Controller ◽  
Sliding Mode ◽  
Convergence Time ◽  
Power System Stabilizer ◽  
Sliding Mode Controller ◽  
Single Machine Infinite Bus ◽  
System Stabilizer

<p>Common power system stabilizer (CPSS), fuzzy power system stabilizer (FPSS) and sliding mode controller (SMC) are common controllers which are used in controlling single machine infinite bus (SMIB) power systems. Each of these controllers has disadvantages. CPSS is not robust enough to stabilize the power system perfectly. SMC is more robust than CPSS but in the presence of big uncertainties it is unable to stabilize power system. FPSS is enough robust in the presence of big uncertainties, but it causes chattering when high switching gain is needed. The goal of this paper is to present a robust controller for a single machine infinite bus (SMIB). The proposed controller is a direct fuzzy controller assisted with a sliding mode controller. The simulation shows clear positive effect and validity of the method in convergence, time and accuracy.</p>

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