Overview of subsynchronous resonance analysis and control in wind turbines. Analysis of subsynchronous torsional, interactions with svcs. Zhang are with the state key labora tory of power system, department of electrical engineering, tsinghua univer. Analysis of subsynchronous resonance in power systems core. Therefore, proper understanding and analysis of ssr is to be carried out while planning series capacitor compensation in power systems. Analysis of subsynchronous resonance in power systems book. Marija hic, francisco galiana, and lester fink, isbn. Analysis of subsynchronous torsional, interactions with. Subsynchronous resonance screening study for the pjm.
It is generally carried out using emtp type program and this can be cumbersome. The study of interactions of the torsional system and the electrical network is of. 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. Pdf overview of subsynchronous resonance analysis and. Subsynchronous resonance and factsnovel control strategy. A power system model is successfully designed and simulated to emulate subsynchronous oscillation. Systems that experience ssr exhibit dynamic oscillations at frequencies below the normal system base frequency 60 hz in north america. Analysis of subsynchronous resonance in power systems by k. If a subsynchronous frequency fis present on the power system, the synchronous generators on the system will lag this frequency by fefofe, where fo is 50 or 60. 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. Subsynchronous resonance is an electrical power system condition where, electrical network exchanges energy with turbine generator at one or more natural frequency of combined system, below the synchronous frequency of the.
Analysis of subsynchronous resonance in power systems power electronics and power systems. Analysis of subsynchronous resonance in power systems k. Analysis of subsynchronous resonance in power systems power electronics and power systems padiyar, k. Analysis of subsynchronous resonance in a multimachine power system using series compensationj. Application of bifurcation theory to subsynchronous.
Electric power system analysis, operation and control. It can cause shaft fatigue and possible damage or failure of the generator involved. Ssr is a power system condition where the series compensated electric network exchanges significant energy with a turbine. Pdf damping subsynchronous resonance in power systems. A bifurcation analysis is used to investigate the complex dynamics of two heavily loaded singlemachineinfinitebusbar power systems. 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. Analysis of subsynchronous oscillation in a multi turbo. 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. Analysing subsynchronous resonance phenomena in the time. Subsynchronous oscillation is an electric power system condition where the electric network exchanges significant energy with a turbinegenerator at one or more of the natural frequencies of the combined system below the synchronous frequency of the system following a disturbance from equilibrium. Eigenvalue analysis of ieee fbm for subsynchronous. Analysis of subsynchronous resonance effect in series compensated line with booster transformer international journal of electrical and electronics engineering ijeee, issn print.
Analysis of subsynchronous resonance characteristics and. Introduction subsynchronous resonancessr is defined as an electric power system condition where the electric network. Analysis of subsynchronous resonance in power systems power electronics and power systems kindle edition by padiyar, k. Effects of subsynchronous resonance on power systems 9 iv. Simplified transmission and generation system analysis procedures for subsynchronous resonance problems. A bifurcation analysis of subsynchronous oscillations in. R download it once and read it on your kindle device, pc, phones or tablets. Subsynchronous resonance in doublyfed induction generator based wind farms selam chernet c selam chernet, 2016. Subsynchronous resonance accessscience from mcgrawhill.
Subsynchronous resonance ssr is a condition that can exist in a power system, especially for long. Controller tuning and subsynchronous damping controller design. Analysis of subsynchronous resonance in power systems power electronics and power systems pdf,, download ebookee alternative practical tips for a improve ebook reading. With the use of above software, the first benchmark model is developed and simulated. 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. Application of bifurcation theory to subsynchronous resonance in power systems by ahmad m. The effect of wind turbines on subsynchronous resonance. Subsynchronous resonance will become an important network condition to investigate when the new technologies are introduced in power systems. Characteristic analysis of subsynchronous resonance in practical. Overview of subsynchronous resonance analysis and control. International journal of innovative research in science. June 2014 with the rapid growth of the penetration of wind power into the power system, fixed series compensation is considered as an economic solution to increase power transfer capability.
A novel approach was presented in this paper to analyze the characteristics and influence factors of ssr in a series compensated transmission system. 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. Subsynchronous resonance ssr problems in series compensated steamturbine power systems coexist with the beneficial effects provided by the series capacitors. Nayfeh electrical engineering abstract a bifurcation analysis is used to investigate the complex dynamics of two heavily loaded singlemachinein nitebusbar power systems modeling the characteristics of the board. Under all these circumstances, there is a risk of ssr conditions. Taking the vietnamese vungang thermal plants as an example, a shaft failure of vungang i. Analysis of subsynchronous resonance in power systems. Power electronics and power systems consulting editors thomas a. The eigenvalue analysis using the linearised model for continuous operation of csc in combination with an induction machine damping unit.
The history of subsynchronous resonance analysis by the navajo project leading to the selection of equipment to be applied at navajo is. The eigenvalues can be used to determine system damping as well as resonant frequency. The system simulation for ssr studies, cannot be performed using analysis of subsynchronous resonance in power systems transient stability type programs. 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. With the development of electricity market, electricity companies engage in as many transactions in one hour as they used to conduct in an entire day. Analysis of subsynchronous resonance in power systems september 1999. Subsynchronous resonance ssr can be caused by series compensated lines, which would lead to turbogenerator shaft breakdown. This paper presents an overview of subsynchronous resonance issues in wind turbines including, analysis methods, modeling, the impact of control. Analysis of subsynchronous frequency interactions in.
Series capacitor compensation is used to improve the utilization of existing power systems. Analysis of eigen properties to determine the locations for damping controllers. However, series capacitors may excite the subsynchronous resonance and tend to amplify the shaft stress during major network transient event. Damping subsynchronous resonance in power systems article pdf available in iet proceedings generation transmission and distribution 1496.
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