Dissertation > Excellent graduate degree dissertation topics show

Application of Static Var Compensators for Subsynchronous Resonance Suppression Simulation

Author: WeiHong
Tutor: ChengShiJie
School: Huazhong University of Science and Technology
Course: Proceedings of the
Keywords: series capacitor compensation subsynchronous resonance torsional oscillation time-domain simulation method PSCAD/EMTDC static var compensator
CLC: TM761
Type: Master's thesis
Year: 2009
Downloads: 130
Quote: 0
Read: Download Dissertation

Abstract


Series capacitor compensation technology is a very economic and effective measure to improve transmission capacity and the system stability of the long-distance AC transmission systems. With the extended implementation of‘West-East Power Ttransmission Project’in China, Point-to-grid transmission, with high-capacity steam turbine and generator units, relatively high compensation level of series capacitor, becomes a common mode. However, this kind of transmission mode is prone to lead to the sub-synchronous resonance (SSR) problem caused by the generator shaft damage, which may cause generator shaft torsional vibration and even destruction, thereby endanger the safe operation of power systems. Therefore, the SSR of the system research is of great practical significance and value of engineering applications.Considering the reality of a practical system with sub-synchronous resonance (SSR) problem, this article establishes the electromagnetic transient simulation platform of the system mainly based on PSCAD/EMTDC time domain simulation method. On this basis, by calculating the transient shaft torque of the system under a variety of working conditions and the impact of disturbances, analyse the possibility of SSR of the electrical system, study the electrical system and integrated damping characteristics. And taking three typical working conditions for example, according to the typical perturbation methods, and change of the shaft mechanical damping, capacity of Static Var Compensator (SVC), etc, respectively, calculate and analyse the SSO problem and the electromagnetic transient torques of the system. Finally, using the system eigenvalues method, theoretically analyse the system with or without SVC. And this article also has considered other methods, just as the parameters of SVC controller, the installation of voltage regulators and the use of modal separation method, for the SVC inhibit effect of SSR.

Related Dissertations

  1. Ferroalloy electric furnace power quality analysis and energy - saving Predictive Control Method,TM714.3
  2. 1.5MW DIFG Wind Turbine Converter Control System,TM315
  3. Small-Signal Stability Analysis of the Hybrid AC/DC Power System Containing FACTS Controllers,TM712
  4. Research on the Anti-shock Calculation Methods of Warship Gearbox,TH132.41
  5. Superconducting magnetic energy storage (SMES) is used to improve the layout of power system stability,TM712
  6. The Simulation and Design on Static Var Compensator,TM761
  7. The Analysis and Comprehensive Elimination on Guyuan Power System Harmonic,TM711
  8. Energy-based Control of Power Systems with SVC and Nonlinear Loads,TM76
  9. Studies on Sub-synchronous Resonance Based on Blocking Filter,TM712
  10. Modeling of Lingbao Back-to-Back System and Its Steady State Simulation,TM721.1
  11. Research of Control Strategies for Converters Used in Doubly-fed Wind Generators,TM46
  12. Research on Control Strategies of Converter in Direct-Driven Wind Generation System,TM315
  13. Study on Damping of SSO Based on Flexible Power Technology,TM761
  14. Wind Farm Modeling and Power Regulation Based on PSCAD,TM614
  15. Research on Electromagnetic Transient Simulation of AC and DC Hybrid Power System,TM743
  16. Research on Subsynchronous Resonance Supression by Supplementary Excitation Damping Control,TM311
  17. Research on Control System of 6.3KV Static Var Compensator Based on Difference-Entropy,TM761
  18. Research on HVDC Control System Simulation,TM743
  19. Smart Distribution Static Synchronous Compensator Reactive,TM761
  20. The Study of SVC in Power System and Its Impact on Voltage Stability,TM712

CLC: > Industrial Technology > Electrotechnical > Transmission and distribution engineering, power network and power system > Power system automation > Automatically adjusts
© 2012 www.DissertationTopic.Net  Mobile