Analysis of Subsynchronous Resonance in Power Systems / Edition 1by K.R. Padiyar
This book presents comprehensive mathematical models of turbine-generators, HVDC and FACTS controllers, and small signal analysis of SSR. The emphasis is on the analysis using linearized models. Both damping torque and eigenvalue analysis are covered. Also included are the basic concepts of SSR interactions with fixed series compensation, PSS, HVDC, and FACTS… See more details below
This book presents comprehensive mathematical models of turbine-generators, HVDC and FACTS controllers, and small signal analysis of SSR. The emphasis is on the analysis using linearized models. Both damping torque and eigenvalue analysis are covered. Also included are the basic concepts of SSR interactions with fixed series compensation, PSS, HVDC, and FACTS controllers. Timely treatment has been given to the development of electrical analogue for the rotor system, the derivation of the network equations based on circuit topology and immittance functions using D-Q variables. The material is supported by several illustrative examples and case studies based on IEEE benchmark models.
Analysis of Subsynchronous Resonance in Power Systems is an invaluable reference work for power systems researchers, system planners, and designers.
Table of Contents
1. Introduction.- 1.1 General.- 1.2 Definitions of SSR.- 1.3 Interactions with power system controllers.- 1.4 FACTS Controllers.- 1.5 Methods of Analysis of SSR.- 1.6 Chapter outline.- 2. Modelling of Turbine Generator.- 2.1 Introduction.- 2.2 Synchronous machine model.- 2.3 Park’s transformation.- 2.4 Per unit quantities.- 2.5 Operational impedances and equivalent circuits.- 2.6 Modelling of excitation control system.- 2.7 Modelling of turbine generator mechanical system.- 2.8 Modelling of turbine and governor.- 2.9 Modelling and analysis of the mechanical and prime mover system.- 2.10 Synchronous generator modelling for transient simulation.- 3. Modelling of the Electric Network.- 3.1 Introduction.- 3.2 Transmission lines.- 3.3 Transformation using — variables.- 3.4 State equations.- 3.5 Interface between the network and generator.- 3.6 Impedance functions.- 3.7 Simulation of electromagnetic transients.- 4. Analysis of SSR with Fixed Series Compensation.- 4.1 Introduction.- 4.2 Analysis of induction generator effect: frequency scanning method.- 4.3 Analysis of torsional interaction(TI).- 4.4 State equations and eigenvalue analysis.- 4.5 An algorithm for computing torsional modes.- 4.6 Countermeasures for SSR.- 4.7 Torsional oscillations in parallel connected turbine generators.- 5. Interactions with Power System Stabilizer.- 5.1 Introduction.- 5.2 Basic concept in the application of PSS.- 5.3 Design of PSS.- 5.4 Torsional interaction with PSS.- 5.5 A case study.- 6. Interactions with HVDC Converter Control.- 6.1 Introduction.- 6.2 HVDC converters and control.- 6.3 Modelling of HVDC system for study of torsional interactions.- 6.4 Analysis of torsional interactions — A simplified approach.- 6.5 A case study.- 6.6 A simplified damping torque analysis.- 6.7 Control of torsional interaction.- 7. Interactions with Shunt Compensators.- 7.1 Introduction.- 7.2 Static Var Compensator.- 7.3 Torsional Interactions with SVC.- 7.4 Static Condenser(STATCON).- 7.5 Torsional interactions with STATCON.- 7.6 A simplified analysis of torsional interaction with voltage controller.- 8. Interactions with Series Compensators.- 8.1 Introduction.- 8.2 Thyristor Controlled Series Compensator.- 8.3 Modelling of TCSC for SSR studies.- 8.4 Mitigation of SSR with TCSC.- 8.5 Static Synchronous Series Compensator (SSSC).- 8.6 Torsional interactions with SSSC.- Appendices.- A- Data on IEEE Benchmark Models.- A.1 IEEE First Benchmark Model ( FBM ).- A.2 IEEE Second Benchmark Model ( SBM ).- B- Calculation of Initial Conditions.- C- Abbreviations.- References and Bibliography.
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