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. This paper first provides an overview of subsynchronous resonance ssr and the impact of series compensation on ssr, then other cases are mentioned other than series capacitor where it. Frequency scanning study of subsynchronous resonance in power systems. Control strategy of unified power flow controller upfc utilizing dq decoupling control is deduced in this paper, which can closely follow the. Considering the rapid growth of wind turbines applications in power systems, the dynamic behavior of wind turbines, especially the subsynchronous resonance ssr is of interest to researchers. Control strategy of unified power flow controller upfc utilizing dq decoupling control is deduced in this paper, which can closely follow the control orders of the active and reactive power. Pdf control strategy of unified power flow controller upfc utilizing dq decoupling control is deduced in this paper, which can. For a multimachine system which has a set of identical parallel turbinegenerators or nonidentical turbinegenerators having torsional modes of the same frequency, generators may suffer from the same mode of torsional interaction. Use features like bookmarks, note taking and highlighting while reading analysis of subsynchronous resonance in power systems power electronics and power systems. The subsynchronous resonance damping under different levels of series compensation in the network, and the effect of fault clearing time on the torque amplification are investigated. Simulation and analysis of subsynchronous resonance in a series compensated transmission system article pdf available in international journal of power electronics and drive systems 53. Results of an investigation on the application of statcom for damping subsynchronous resonance ssr in a multimachine system is presented in this paper. Kulkarni,department of electrical engineering,iit bombay. Whenever the load on an alternator is increased, the rotor speed slightly decreases, this speed is called as subsynchronous speed.
Subsynchronous resonance ssr problems in series compensated. We do feel, however, that the user should have a sense of what the eigenprogram is used for and should be able to interpret the results of these calculations. Excerpted from subsynchronous resonance in power systems by paul m. Mathematical calculations for subsynchronous system modeling subsynchronous resonance in power systems provides indepth guidance toward the parameters, modeling, and analysis of this complex subclass of power systems. Emphasizing field testing to determine the data required, this book facilitates thorough and efficient oscillation and damping modeling using eigenvalues of a systems linear model. 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 characteristics and. Subsynchronous resonance in power systems eigenvalues and. The subsynchronous resonance ssr is an important problem in the power system, and especially the series compensated transmission lines may cause ssr in the turbine generators, such that it leads to the electrical instability at subsynchronous frequencies and potential turbinegenerator shaft failures. Pdf subsynchronous resonance and its mitigation for power. Subsynchronous resonance in power systems ebook, 1990. Pdf analysis and mitigation of subsynchronous resonance due to. Download it once and read it on your kindle device, pc, phones or tablets. There are two other types of subsynchronous resonance, the induction generator effect and torque amplification.
Anderson is the author of analysis of faulted power systems ieee press, 1995 and coauthor of power system control and stability ieee press, 1994, subsynchronous resonance in power systems ieee press, 1990, and series compensation of power systems pblsh. 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. Subsynchronous resonance and its mitigation for power. It can cause shaft fatigue and possible damage or failure of the generator involved. System configuration the system considered in the present work is the ieee second benchmark model 5 with additional.
An idea is presented for damping ssr in power systems using a doubleorder svs auxiliary controller in combination with continuous controlled series compensation ccsc and an induction machine. Subsynchronous resonance and factsnovel control strategy. Second benchmark model for computer simulation of subsynchronous resonance, ieee transactions on power apparatus and systems, vol. Subsynchronous resonance in power systems detailed than the average engineer would find useful. Analysis of subsynchronous resonance in power systems k. Subsynchronous resonance is a phenomenon in which one or more of the resonant frequencies of the turbine generator shaft in thermal power units coincides through the generator with a natural resonant frequency of the electrical system with long radial transmission network with series capacitors such that there is a sustained, cyclic exchange of energy between. Subsynchronous resonance ssr is a condition that can exist in a power system, especially for long. The subsynchronous resonance ssr characteristics of a series compensated system equipped with upfc are studied, and the results reveal that ssr characteristics of the system may vary significantly with. The rotor frequency at this speed is called as subsynchronous frequency. Readers guide to subsynchronous resonance ieee journals. Get your kindle here, or download a free kindle reading app. Subsynchronous resonance ssr problems in series compensated steamturbine power systems coexist with the beneficial effects provided by the series capacitors. Ssr is a potential phenomenon which may arise in a power system when the mechanical system turbinegenerator exchanges energy with the electrical network 45. Emphasizing field testing to determine the data required, this book facilitates thorough and efficient oscillation and damping modeling using eigenvalues of a system s linear model.
Subsynchronous resonance subsynchronous oscillation is an electric power system condition where the electric network exchanges significant energy. Other readers will always be interested in your opinion of the books youve read. Reliable information about the coronavirus covid19 is available from the world health organization current situation, international travel. Subsynchronous resonance in doublyfed induction generator based wind farms selam chernet c selam chernet, 2016. This paper presents an overview of subsynchronous resonance issues in wind turbines including, analysis methods, modeling, the impact of control. Frequency scanning study of subsynchronous resonance in. Pdf simulation and analysis of subsynchronous resonance.
This paper presents a frequency scanning analysis for detecting the potential of subsynchronous resonance ssr in induction generator based wind farms. Analysing subsynchronous resonance phenomena in the time. Subsynchronous resonance in power systems book, 1990. An abstract of the thesis of connecting repositories. With the use of above software, the first benchmark model is developed and simulated. Subsynchronous resonance accessscience from mcgrawhill. Emphasizing field testing to determine the data required, this book facilitates thorough and efficient oscillation and damping modeling using eigenvalues of a system s linear. Khu, kim touy, subsynchronous resonance in power systems. Study of subsynchronous resonance in power systems 1. Subsynchronous resonance in power systems edition 1 by.
What is sub synchronous resonance in a power system. Subsynchronous resonance and its mitigation for power system with. Effects of subsynchronous resonance on power systems 9 iv. Oclcs webjunction has pulled together information and resources to assist library staff as they consider how to handle coronavirus. Design of subsynchronous resonance protection and reduction of torsional interaction in power systems mahdi hedayati department of electrical engineering azad university, gonabad branch gonabad, iran abstractan ssr problem has been noticed and caused repeated triggering of the protection. Taking the vietnamese vungang thermal plants as an example, a shaft failure of vungang i.
Anderson, a noted expert on power systems, presents an analytical and technical. Analysis of subsynchronous resonance in power systems core. Delivering full text access to the worlds highest quality technical literature in engineering and technology. Under all these circumstances, there is a risk of ssr conditions. Numerous and frequentlyupdated resource results are available from this search. 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.
In this sense, this document stands as a background reference to the eigenvalue programs 4. A bifurcation analysis of subsynchronous oscillations in. Mathematical calculations for subsynchronous system modeling. Emphasizing field testing to determine the data required, this book facilitates thorough and efficient oscillation and damping modeling using eigenvalues of a systems linear. Wind turbine subsynchronous resonance ssr doublefed induction generators dfig facts. Press, 1994, subsynchronous resonance in power systems ieee press, 1990. Since the early 1930s, numerous researchers have addressed issues relating to these problems.
Overview of subsynchronous resonance analysis and control. Analysis of subsynchronous resonance effect in series compensated line with booster transformer international journal of electrical and electronics engineering ijeee, issn print. Pdf overview of subsynchronous resonance analysis and control. This example shows subsynchronous resonance ssr in steam turbine and governor on a seriescompensated network. Power system protection ieee press series on power engineering. Subsynchronous resonance in power systems pdf free download. Hodges, experience with 500 kv subsynchronous resonance and resulting turbine generator shaft damage at mohave generating station, ieee pes special publication, analysis and control of subsynchronous resonance, no. Pdf subsynchronous resonance ssr is a potential problem in power systems having series compensated transmission lines. Subsynchronous resonance in power systems abstract approved. The mechanism of the subsynchronous resonance is well understood. Resonance in power systems free ebook download as pdf file. Therefore, proper understanding and analysis of ssr is to be carried out while planning series capacitor compensation in power systems. Subsynchronous resonance in power systems wileyieee.
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. Whether youve loved the book or not, if you give your honest and detailed thoughts then people will find new books that are right for them. Analysis of subsynchronous resonance in power systems free ebook download as pdf file. Subsynchronous resonance and its mitigation for power system with unified power flow controller. Subsynchronous resonance is an electric power system condition where the electric network exchanges energy with a turbine generator at one or more of the natural frequencies of the combined system below the synchronous frequency of the system. Analysis of subsynchronous resonance in power systems power electronics and power systems kindle edition by k. 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. Pdf damping subsynchronous resonance in power systems. Subsynchronous resonance in power systems provides indepth guidance toward the parameters, modeling, and analysis of this complex subclass of power systems.
142 410 857 14 82 224 916 1269 1067 1007 1050 682 704 44 10 1625 557 963 628 1638 1457 607 320 190 1538 1535 1589 697 1045 1203 1427 243 1678 1337 693 560 1333 1216 1374 495 1234 344 47 198 901 654 186 349 1333