The proposed methodology is demonstrated on the ieee first benchmark model fbm for subsynchronous resonance studies. Oct 31, 1998 analysis of subsynchronous resonance in power systems book. Padiyar the book is divided into five parts with a total of 14 chapters. Bifurcation control of subsynchronous resonance using tcsc. The modelling of multimachine power system dynamics for the analysis of subsynchronous resonance. With the use of above software, the first benchmark model is developed and simulated. A single line diagram of the first benchmark model given by ieee committee for the study of subsynchronous resonance is as shown in figure 1. Analysis of subsynchronous resonance in power systems abstract approved. Facts and hvdc systems may adversely affect the torsional dynamics of a turbinegenerator system.

Series compensation of transmission lines is essential for power systems transfer capability enhancement, reactive power equipment and steadystate voltage. Subsynchronous resonance ssr problems in series compensated steamturbine power systems coexist with the beneficial effects provided by the series capacitors. Analysis of subsynchronous resonance in a multimachine power. A practical approach offers an authoritative guide to the traditional capabilities and the new software and hardware approaches that can be used to carry out transient studies and make possible new and more complex research. Investigation of ssr characteristics of sssc with ga based. Analysis of subsynchronous resonance in power systems. Virulkar 2 1lecturer in electrical engineering, govt. Subsynchronous resonance accessscience from mcgrawhill. Under all these circumstances, there is a risk of ssr conditions. Edris s fifteenth national power systems conference npsc, iit bombay, december 2008 535. Series capacitor compensation is used to improve the utilization of existing power systems. Download it once and read it on your kindle device, pc, phones or tablets. Subsynchronous resonance risk assessment in interconnected.

Currents flowing in the ac network have two components. Emphasizing field testing to determine the data required, this book facilitates thorough and efficient oscillation and damping. Shortly after the second event, it was determined that the torsional oscillations were caused by torsional interaction, which is a type of subsynchronous resonance ssr. New effective method of subsynchronous resonance detection. Systems that experience ssr exhibit dynamic oscillations at frequencies below the normal system base frequency 60 hz in north. A bifurcation analysis of subsynchronous oscillations in. Ssr is a potential phenomenon which may arise in a power system when the mechanical system turbinegenerator exchanges energy with the electrical network 45. Eigenvalue analysis is a powerful approach for analysis of such instabilities. Submitted in the fulfillment of the academic requirements for the degree of doctor of philosophy in. Subsynchronous resonance is a condition that can exist on a power system wherein the network has natural frequencies that fall below the nominal 60 hertz of the network applied voltages. Applicability in modern power systems a new era of power systems most of the hvac lines are series compensated. Effects of subsynchronous resonance on power systems. The controllers of power electronic systems pess can incidentally cause. Analysis of subsynchronous resonance in power systems k.

Subsynchronous resonance screening study for the pjm regional. Analysis of subsynchronous resonance characteristics and. Analysis of subsynchronous resonance in power systems power electronics and power systems kindle edition by k. A handson introduction to advanced applications of power system transients with practical examples. This book provides a tutorial description of the mathematical models and equation formulations that are required for the study of a special class of dynamic power system problems, namely subsynchronous resonance ssr.

A novel approach for damping subsynchronous resonance using a. Mathematical calculations for subsynchronous system modeling. Elmarsafawy, use of frequencyscan techniques for subsynchronous resonance analysis of a practical series capacitor compensated ac network, proceedings of iee generation, transmission and distribution conference, vol. Analysis of subsynchronous resonance in power systems power. Ssr is a resonant condition where the generator system exchanges energy with the connecting electrical system below the subsynchronous frequency. Over 10 million scientific documents at your fingertips. Analysis of subsynchronous resonance in power systems september 1999. Subsynchronous resonance will become an important network condition to investigate when the new technologies are introduced in power systems. Analysis of subsynchronous resonance in power systems kluwer international series in engineering and computer science, issn 08933405 volume 471 of kluwer international series in engineering and computer scinece. Subsynchronous resonance in power systems wileyieee. Possibilities of having sub synchronous frequency interactions are high.

The application of these procedures is illustrated on the ieee second benchmark system for the analysis of subsynchronous resonance ssr. This article documents some of the drawbacks of the conventional controllers used. Effects of subsynchronous resonance on power systems 9 iv. Subsynchronous resonance damping in interconnected power systems. Subsynchronous resonance in doublyfed induction generator based wind farms selam chernet c selam chernet, 2016. There are two other types of subsynchronous resonance, the induction generator effect and torque amplification. In power systems, the witness of complex nonlinear oscillations, which are not predicted by the classical eigenvalue analysis of a linearized model, has prompted a growing interest in geometric methods of nonlinear dynamics, especially bifurcation methods. Three aspects of subsynchronous resonance ssr related problems in power systems are addressed in this dissertation which aims at contributing to a better understanding of these problems. Analysis of subsynchronous resonance in power systems power electronics and power systems k. There are many ways in which the system and the generator may interact with sub synchronous effects. To help in the understanding and analysis of ssr, the authors consolidate and. Bifurcation control of subsynchronous resonance using tcsc article in communications in nonlinear science and numerical simulation 165. Since the early 1930s, numerous researchers have addressed issues relating to these problems. A bifurcation analysis of subsynchronous oscillations in power systems article pdf available in electric power systems research 471.

Three aspects of subsynchronous resonance ssr related problems in power. Subsynchronous torsional interaction with power electronic converters was studied in 8. Subsynchronous resonance in power systems iowa state. System configuration the system considered in the present work is the ieee second benchmark model 5 with additional. Pdf a bifurcation analysis of subsynchronous oscillations. Delivering full text access to the worlds highest quality technical literature in engineering and technology. Bhavik prajapati, vadodaragujarat,india abstractssr basically an electrical power system condition where electrical network exchange energy with the turbine generator at one or more natural. Application of bifurcation theory to subsynchronous resonance in power systems by ahmad m. Ssr is not a new phenomenon and has been mainly observed in steam turbine and nuclear based generator system 2. The eigenvalue analysis using the linearised model for continuous operation of csc in. Subsynchronous resonance in doublyfed induction generator.

Analysis of subsynchronous resonance in power systems power electronics and power systems pdf,, download ebookee alternative excellent tips for a better ebook reading experience. Analysis of subsynchronous resonance effect in series compensated line with booster transformer international journal of electrical and electronics engineering ijeee, issn print. Assessment of subsynchronous resonance analysis techniques. Eigenvalue analysis of subsynchronous resonance study in. Analysis of subsynchronous resonance in power systems power electronics and power systems padiyar, k. Subsynchronous resonance in power systems provides in depth guidance toward the parameters, modeling, and analysis of this complex subclass of power systems. Subsynchronous resonance with vscbased hvdc transmission systems was studied in 7. Analysis of subsynchronous resonance in power systems by k. Polytechnic, gadchiroli 2 assistant professor, electrical engineering, govt. Hilbert spectral analysis is performed on out data files generated by nonlinear simulations using the emtp, but the. Readers guide to subsynchronous resonance ieee journals.

The as analysis is performed on output data files generated by. Application of bifurcation theory to subsynchronous resonance. Eigenvalue analysis of subsynchronous resonance study in series compensated wind farm gajanan v. Subsynchronous resonance in power systems eigenvalues and. Therefore, proper understanding and analysis of ssr is to be carried out while planning series capacitor compensation in power systems. Analysis of subsynchronous frequency interactions in power. The first part begins by introducing the basic concepts of stability. The calculation of ssr oscillatory mode frequencies requires that generator turbines and the power system are adequately represented. The purpose of this research is to establish understanding of challenges and issues facing the power networks planning, in particular the ssr conditions. Nayfeh electrical engineering abstract a bifurcation analysis is used to investigate the complex dynamics of two heavily loaded singlemachine in nitebusbar power systems modeling the characteristics of the board. New effective method of subsynchronous resonance detection maciej orman, przemyslaw balcerek, michal orkisz abstract the paper presents the novel approach for detection of subsynchronous resonance phenomenon ssr in a series compensated transmission system. In this paper, investigation of subsynchronous resonance ssr characteristics of a hybrid series compensated system and the design of voltage controller for three level 24pulse voltage source converter based static synchronous series compensator sssc is presented.

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