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Comprehensive review on enhancement of stability in multimachine power system with conventional and distributed generations
2018
IET Renewable Power Generation
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A comparative analysis of different methodologies is presented to establish a quick survey of the proposed solutions for stability enhancement. ...
A comprehensive review on stability analysis in multimachine power system is presented in this study. ...
A switching structure excitation controller (SSEC) which switches between bang-bang funnel excitation controller and conventional excitation controller (CEC) for improving transient stability under severe ...
doi:10.1049/iet-rpg.2018.5401
fatcat:alddxqtzg5fm3fp2w3us7lnmji
Damping Of Power System Oscillations By Using Coordinated Tuning Of Pod And Pss With Statcom
2009
Zenodo
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The main aim of the paper is to design a power system installed with a Static synchronous compensator (STATCOM) and demonstrates the application of the linearised Phillips-heffron model in analyzing the ...
oscillations damping (POD) control and power system stabilizer (PSS) and their coordinated action with proposed controllers are tested. ...
Basic stability studies will be conducted on a single machine connected to infinite bus (SMIB) power system. The linearised Phillips-Heffron model which is used for oscillation stability analysis. ...
doi:10.5281/zenodo.1331152
fatcat:rpz5tlj75fefngwoqrx36vkjcu
Analysis of the damping characteristics of two power electronics-based devices using 'individual channel analysis and design'
2018
Applied Mathematical Modelling
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A synchronous generator feeding into a system with large inertia is used for such a purpose. ...
to synchronous generator operation by using the physical insight afforded by 'individual channel analysis and design'. ...
In ICAD, Bode and Nyquist plots are extensively used, together with a detailed analysis of the multivariable structure function (MSF) [8, 9] . ...
doi:10.1016/j.apm.2018.02.008
fatcat:5tmmgx2korfgln5uxtlx5ohj64
Small Signal Interactions Involving a Synchronous Machine and a Grid Forming Converter
2021
2021 IEEE Madrid PowerTech
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Interactions between synchronous machines (SMs) and grid forming converters (GFMs) will become increasingly relevant as the power system transitions from a conventional fossil fueled synchronous based ...
The study employs small-signal models and performs small-signal eigenvalue analysis. ...
Linearisation Process A common approach to study electromechanical (and any other relevant) modes associated with a machine or interactions between multiple machines is to perform a small-signal analysis ...
doi:10.1109/powertech46648.2021.9494923
fatcat:n6pfjt2xprbehl3wlvdkjru7sq
Unified power flow controllers in smart power systems: models, methods, and future research
2019
IET Smart Grid
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Several models and methods have been suggested for the control, analysis, operation, and planning of UPFCs in smart power systems. ...
This study introduces a review of the state-of-the-art models and methods of UPFCs in smart power systems, analysing and classifying current and future research trends in this field. ...
A feedback linearisation control is proposed for damping inter-area oscillations using UPFCs with ultra-capacitors [123] . ...
doi:10.1049/iet-stg.2018.0065
fatcat:lvsu37dy6jflvh67qlloaup6py
Design of variable structure power system stabilisers with desired eigenvalues in the sliding mode
1993
IEE Proceedings C Generation Transmission and Distribution
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A systematic approach for the design of variable structure power system stabilisers (VSPSS), with desired eigenvalues in the sliding mode is presented. ...
A detailed sensitivity analysis reveals that the VSPSS is quite robust to wide variations in operating load and system parameters. ...
A linear dynamic model of the system obtained by linearisation of a nonlinear model around a nominal operating point is usually adopted for the PSS design. ...
doi:10.1049/ip-c.1993.0039
fatcat:emajvh2t6fbtdazoiazk7otpiu
Sub-synchronous Interactions in Power Systems with Wind Turbines: A Review
2018
IET Renewable Power Generation
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Additionally, the research on a grid-connected voltage-source converter in combination with the phase-locked loop, which has caused instability issues including SSI, is briefly introduced. ...
Then two major types of wind turbines: doubly fed induction generator and permanent magnet synchronous generator with respect to their participations in SSI are reviewed according to the current research ...
A VSC, when used in combination with PLL, has possibility to present negative damping in the range of sub-synchronous frequency and therefore causes SSCI [33] . ...
doi:10.1049/iet-rpg.2018.5199
fatcat:smgrqgr4mfdktnsqqafab5zau4
Stability Analysis of a Grid-Connected VSC Controlled by SPC
2018
2018 7th International Conference on Renewable Energy Research and Applications (ICRERA)
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Index Terms-small signal stability, synchronous power controller, state-space, eigenvalues, sensitivity analysis. ...
In this work, a sensitivity analysis of a VSC connected to the grid and controlled by SPC is performed. In this sense, a non-linear mathematical model of the system is first developed. ...
Influence of the damping constant K D Fig. 4 shows the eigenvalues of the system for values of K D equivalent to a sweep of the damping values ζ from 0 to 1. ...
doi:10.1109/icrera.2018.8567018
fatcat:nyz3qbingzbphnrlee7vlmt32i
Virtual charge-based synchronisation and feedback linearisation-based current control of a three-phase grid-connected inverter without grid voltage sensors
2020
IET Power Electronics
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In this study, a virtual charge-based scheme for grid synchronisation with only current measurements has been proposed for a three-phase grid-connected inverter with a first-order filter. ...
Also, a current control architecture based on feedback linearisation concept has been explored and embedded with the proposed grid voltage estimation technique, and the corresponding performance has been ...
Feedback linearisation based control strategy for a threephase grid-connected inverter with RL filter The feedback linearisation-based control strategy has been implemented on a three-phase grid-connected ...
doi:10.1049/iet-pel.2020.0145
fatcat:oz3spssrhja7jpu3eqeyto7miy
Small-signal dynamic model of a micro-grid including conventional and electronically interfaced distributed resources
2007
IET Generation, Transmission & Distribution
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The proposed approach incorporates fundamental frequency deviations in the overall system model and provides a methodology for the analysis of autonomous micro-grid, which inherently is more prone to frequency ...
The results are qualitatively verified on the basis of the comparison with those obtained from time-domain simulation in the PSCAD/EMTDC environment. ...
The linearised model is used for (i) eigenvalue analysis, (ii) frequency analysis through determination of the system transfer functions and (iii) step response analysis of the control systems. ...
doi:10.1049/iet-gtd:20045207
fatcat:afhob2dxircvhla6wfqlq6puny
Power System Modelling and Analysis Techniques
[chapter]
2013
Improving the Stability of Meshed Power Networks
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In addition to the modelling techniques presented, tools for power system stability analysis based on system linearisation are also described. ...
Various well documented tools are available to engineers for power system modelling and analysis. ...
A disturbance is considered to be small if the power system equations can be linearised for the purpose of the analysis. ...
doi:10.1007/978-3-319-02393-9_2
fatcat:274ldwg5nzhyvkdcud3ok2tzci
Modeling Simulation Study of TCSC based Damping Controller for Power System
2017
International Journal of Engineering Research and
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After the initial operating conditions were computed, the detailed linearised state space models has been designed for a single machine infinite bus (SMIB) environment. ...
In this paper Load flow study has been carried out without compensation and with compensation that is with TCSC alone and then with TCSC & fixed capacitor at different loading of system to obtain the initial ...
CONCLUSION After the initial operating conditions were computed, the detailed linearised state space models of a single machine infinite bus (SMIB) system incorporating a TCSC alone and then with TCSC ...
doi:10.17577/ijertv6is040293
fatcat:7grn37eexbbkzewm5fcaormtmu
Design of FACTS Device For The Improvement of Power System Stability using Mathematical Matching Controller
2012
IOSR Journal of Electrical and Electronics Engineering
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Philips-Heffrons model of a power system installed with a static synchronous compensator (STATCOM) and demonstrates the application of the model in analyzing the damping effect of the STATCOM and designing ...
The power system installed with a FACTS device demonstrates the application of the model in analyzing the damping effect of the FACTS device stabilizer to improve power system oscillation stability. ...
EQUATIONS FOR ANALYSIS
Linear dynamic model: The linear dynamic model in state space form given below is obtained by linearising the nonlinear model around a nominal operating condition. ...
doi:10.9790/1676-0130711
fatcat:tjj65mxfn5crrhr5ry3qupg26u
Scalable State-Space Model of Voltage Source Converter for Low-Frequency Stability Analysis
2020
2020 IEEE Energy Conversion Congress and Exposition (ECCE)
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Eigenvalue analysis is carried out to investigate the influence of the control parameters on the stability. ...
The proposed model is suitable for interconnection, and an example of power system modeling is shown. The model is then validated through simulations and experimental tests. ...
This feature makes the VSC model suitable for interconnection with other VSCs and appropriate for the modeling and stability analysis of multi-VSC power systems. ...
doi:10.1109/ecce44975.2020.9236020
fatcat:guzrj2e76vb6ri2gzyzquwkkmm
Analysis and simulation of the single-machine infinite-bus with power system stabilizer and parameters variation effects
2007
2007 International Conference on Intelligent and Advanced Systems
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The idea of power system stabilizer (PSS) or supplementary excitation control is to apply a signal through the excitation system to produce additional damping torque of the generator in a power system ...
In this paper the study of the dynamic behavior and transient stability of the single-machine infinite-bus (SMIB) with used the eigenvalue analysis is presented. ...
Also, that is one of the important factors in the transient study of power system analysis. The synchronous generator is driven by a turbine with a governor and excited by an external AVR and a PSS. ...
doi:10.1109/icias.2007.4658368
fatcat:ge3srvgrljdfpo2vfte2pmj7te
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