Subsynchronous resonance ssr problems in series compensated steamturbine power systems coexist with the beneficial effects provided by the series capacitors. While most mathematical analysis done so far has attempted. Analysis and corresponding measures on subsynchronous. Sso subsynchronous oscillation ssr subsynchronous resonance statcom static synchronous compensator svc static var compensator tcc time current curve v volt var voltampere reactive vre variable renewable energy all dollar figures denote u. Analysis and corresponding measures on subsynchronous resonance of series compensated transmission for largescale 104 it is observed from table 1 that, if all elements of the system, including lines, series capacitors and generators of all plants. It consists in a single generator 600 mva22kv60 hz3600 rpm connected to an infinite bus via two transmission lines, one of which is 55% seriescompensated. The ssr in doubly fed induction generator dfig based wind power generation is of.
Subsynchronous resonance in doublyfed induction generator. The consecutive mohave incidents drew the attention of researchers to the sso phenomenon, and consequently terminologies like subsynchronous resonance ssr, ige, ti, and torque amplification ta were discussed for the first time in 1973. Download it once and read it on your kindle device, pc, phones or tablets. Analysis of subsynchronous resonance in power systems public deposited. Effects of subsynchronous resonance on power systems 9 iv. But the hazards to turbinegenerators require that utility engineers fully understand and thoroughly analyze the effects of subsynchronous resonance ssr caused by series. Subsynchronous resonance and factsnovel control strategy. Overview of emerging subsynchronous oscillations in. Use features like bookmarks, note taking and highlighting while reading analysis of subsynchronous resonance in power systems power electronics and power systems. However, the subsynchronous resonance ssr due to series compensation leads to severe risk of torsional interactions ti. Analysing subsynchronous resonance phenomena in the timea. Interharmonic chapter for 519 revision draft 3 pdf file interharmonic panel session paper sm 2001 vancouver pdf file. Analysis of subsynchronous resonance characteristics and.
Subsynchronous resonance is presented by ieee subsynchronous resonance task force. Subsynchronous resonance is an electric power system condition where the electric network exchanges energy with a turbine at one or more of the natural fequencies of the combined system below the synchronous frequency of the system. This paper presents the analysis and simulation of a series compensated system with a static synchronous series compensator sssc as a part of the total compensation. Resonance ssr, which may lead to torsional oscillations of turbine generator shaft system and electrical oscillation with frequency below the sub synchronous.
The scheme enhances the system performance considerably and torsional oscillations are damped out at all levels of series compensation and. A guide to the latest developments in grid dynamics and control and highlights the role of transmission and distribution grids. File scanned at 300 ppi monochrome, 256 grayscale using. Analysis of subsynchronous resonance with voltage source. Read subsynchronous resonance oscillations of series. Study and mitigation of subsynchronous oscillations with. Analysis of subsynchronous resonance ssr in doublyfed induction generator dfigbased wind farms synthesis lectures on power electronics series by hossein ali mohammadpour. Analysis of subsynchronous resonance with three level. 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. There are two other types of subsynchronous resonance, the induction generator effect and torque amplification. Analysis of subsynchronous resonance in power systems power electronics and power systems kindle edition by k. Modeling and resonance of wind farm integration with facts.
A subsynchronous orbit is an orbit of a satellite that is nearer the planet than it would be if it were in synchronous orbit, i. Reader guide to subsynchronous resonance capacitor. Series capacitors may excite subsynchronous oscillations with any fault or disturbance, when the natural frequency of system aligns with the complement of one of. Subsynchronous resonances studies digital asset management. Series capacitor compensation is used to improve the utilization of existing power systems. Steam turbine and governor system subsynchronous resonance open model this example shows subsynchronous resonance ssr in steam turbine and governor on a seriescompensated network. Other readers will always be interested in your opinion of the books youve read. Readers guide to subsynchronous resonance abstract. Subsynchronous resonance risk assessment in interconnected power systems yousif, n 2011, subsynchronous resonance risk assessment in interconnected power systems, masters by research, electrical and computer engineering, rmit university. 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.
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. Subsynchronous resonance screening study for the pjm. There is no risk of inductiongeneratorinduced oscillation on the. The ieee first benchmark model fbm is considered for the analysis. The objective is to investigate the subsynchronous resonance ssr characteristic of the combined system. When tcsc operate under constant impedance control with an increasing firing angle. Pdf overview of subsynchronous resonance analysis and control. Application of statcom for damping subsynchronous resonance in a multimachine system yanlong sun, liangeng ban, daye yang, yizhen wang china electric power research institute, beijing, china email. 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. In addition, the authors present a new style of presentation that highlights the role of.
Analysis of subsynchronous frequency interactions in. The benchmark model for the study of subsynchronous resonance is presented by ieee subsynchronous resonance task force. Nowadays with the improvement in the degree of emphasis on new energy, the wind power system has developed more and more rapidly over the world. Modeling and resonance issues of wind farm integration with related facts applications spine title. Welcome,you are looking at books for reading, the resonance, you will able to read or download in pdf or epub books and notice some of author may have lock the live reading for some of country. 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 ssr in doublyfed. An analysis of subsynchronous resonance problems requires a clear understanding of the physical relationships that produce the phenomenon. The ieee task force on interharmonics was chaired by erich gunther and reported to the ieee harmonics working group. Marija hic, francisco galiana, and lester fink, isbn.
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. Therefore it need a free signup process to obtain the book. Khu, kim touy, subsynchronous resonance in power systems. A simplified system for subsynchronous resonance studies. Generally series compensated ac transmission and high voltage dc transmission are made use of to improve the transmission capacity as two main effective ways. Since 1971, the year in which a case of subsynchronous resonance was first reported, there has been plenty of research into finding causes and designing countermeasures. Analysis of subsynchronous resonance in power systems k. Subsynchronous resonance ssr problems in series compensated steamturbine power systems coexist. Interconnection planning procedure for generation and etus april 2, 2020 isone public 2 nerc fac0, assessment of transfer capability for the nearterm transmission planning horizon nerc mod026, verification of models and data for. Readers guide to subsynchronous resonance ieee journals. Subsynchronous resonance file exchange matlab central. Subsynchronous resonance characteristics in presence of doublyfed induction generator and series compensation and mitigation of subsynchronous resonance by proper control of series capacitor. First benchmark model for computer simulation of subsynchronous resonance. The ngh subsynchronous resonance ssr damping scheme designed to damp subsynchronous currents in the transmission lines and to protect the generating machines from subsynchronous resonance was.
Pdf simulation of ieee first banchmark model for ssr. Swedish grid, and shaft torque amplification is dealt with in other contexts. Results of an investigation on the application of statcom for damping subsynchronous resonance ssr in a multimachine system is presented in this paper. Ieee subsynchronous resonance task force of the dynamic system performance working group power system engineering committee. This paper received in revised form presents an overview of subsynchronous resonance issues in wind turbines including, analysis methods, 6 june 20. Analysis of subsynchronous resonance in power systems. Agenda for summer meeting 2001 in vancouver powerpoint file. Subsynchronous resonance subsynchronous oscillation is an electric power system condition where the electric network exchanges significant energy. Since the early 1930s, numerous researchers have addressed issues relating to these problems. 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. However, the presence of the series capacitors in a power system has brought up the phenomenon of sub synchronous resonance ssr.
Here, the ieee first benchmark system for subsynchronous resonance is simulated using matlab for comparison. Analysis of sub synchronous frequency interactions in power systems using tg ssr team. Ssr in power systems without thyristor switching devices can be accurately analyzed by eigenvalue analysis e. Subsynchronous resonance risk assessment in interconnected. If it available for your country it will shown as book reader and user fully subscribe will benefit by having full access to all. The subsynchronous resonance ssr may occur in an induction generator based wind farms connected to the power system consisting of series compensated transmission line. Overview of subsynchronous oscillation in wind power system. Click download or read online button to get thyristor based facts controllers for electrical transmission systems book now. Steam turbine and governor system subsynchronous resonance. Readers guide to subsynchronous resonance ieee committee report by subsynchronous resonance working group of the system dynamic performance subcommittee abstract in recent years, much has been written and bibliographies have been published on the subject of subsynchronous resonance ssr. Simulation of ieee first banchmark model for ssr studies. Subsynchronous resonance ssr is a phenomenon in which an electrical system compensated with series ca pacitors interacts with generator shafts to cause shaft fatigue or breakage.