Dissertation > Excellent graduate degree dissertation topics show

Study on Characteristics of Power Semiconductor for Capacitor-based Pulsed Power Supply

Author: ZhouZhaoSong
Tutor: DongJianNian；ZhangJun
School: Nanjing University of Technology and Engineering
Course: Power Electronics and Power Drives
Keywords: Pulsed Power Electromagnetic Launch Thyristor Diode Stack Power Semiconductor Temperature
CLC: TN782
Type: Master's thesis
Year: 2010
Downloads: 199
Quote: 2
Read: Download Dissertation

Abstract


This dissertation is based on pulse power supply (PPS) of electromagnetic launch (EML). PPS is an important component of EML system. Its role is to provide high voltage, high current, high power to EML system. As the development of PPS is high power, modularization, miniaturization, power semiconductor devices are used as switch in PPS. Normal parameters of semiconductor devices are not adapt to working in pulsed surge discharge environment. Its surge technical parameters are very important to used in PPS.The systematic research is about the pulsed surge characteristics of power semiconductor. The main works are as follows:(1)Introduce the basic theory and composition of capacitor-based pulsed power supply. Analyse discharge process of single module and multi-module pulse forming network (PFN).Give the role and the basic characteristics of power semiconductor devices in surgre discharge process.(2)Research discharge characteristics of power diode stack for capacitor-based pulsed power supply. Analysis and comparison of power diode stack are installed different lacation, and they have different discharge characteristics. Theoretically analyse discharge characteristics of the diode, and experimentally study on surge discharge characteristics of the power diode stack at high voltage, high current, surge discharge working environment.(3)Research surge discharge characteristics of power SCR for capacitor-based pulsed power supply. Theoretically analyse discharge characteristics of power SCR in modular pulsed power supply, and experimentally study on surge discharge characteristics of the power SCR stack at high voltage, high current, surge discharge working environment.(4)Research temperature characteristics of power SCR for capacitor-based pulsed power supply. Design experiment to measure the junction temperature of power SCR in the pulsed surge discharge environment. Use specific heat capacity theorety to calculate the junction temperature of power SCR, and compare with experimental data. Study on the security, the reliability and the service life of the power SCR stack in the conditions of surge discharge.Through this dissertation, a study has been made on surge discharge characteristics and temperature characteristics of power semiconductor devices in capacitor-based pulsed power supply, which has a good guidance on the reasonable application, the parameters design and the perforrmance improve of power semiconductor devices.

Related Dissertations

  1. Preparation and Electrocaloric Effect of BaxSr1-xTiO3 Ferroelectric Thin Films,TB383.2
  2. Temperature Drift Modeling and Compensation of Fiber-Optic Gyroscopes,V241.5
  3. Simulation Analysis on Temperature Stress of RCC Arch Dam and Its Construction Joints Design Research,TV642.2
  4. Analysis and Study of Abutment Stability in Concrete High Arch Dam by Three-Dimensional Nonlinear Finite Element Method,TV642.4
  5. Research on Temprature Controling Technology of Laser Diode with Thermoelectric Cooler,TN248.4
  6. Research on Temperature Control System for Laser Diode,TP273
  7. Design and Study of Temperature Chamber Control System in Servo Table,TP273
  8. Tripartite Associations Among Bacteriophage WO, Wolbachia, and Host Affected in the Two-Spotted Spider Mite Tetranychus Urticae Koch,S433.7
  9. Effects of Temperature, Salinity, Dissolved Oxygen, Ammonia-N and Nitrite-Non the Molting of Scylla Paramamosain,S917.4
  10. Preparation and Properties of lead-free glass powder,TQ171.6
  11. LSGM electrolyte thin films and electrochemical properties of,TM911.4
  12. Study on Agrobacterium-Mediated Transformation of ’Benihonpe’ Strawberry with ALA Synthase Gene,S668.4
  13. Study on Characteristics of Morphology Anatomy and Physio-Biochemistry of Two Ecotype Varieties Cucumber Leggy Seedilings,S642.2
  14. Study on Growth and Physiological Metabolism of Tomato Seedlings under High Temperature Stress,S641.2
  15. Simulation Model on Development, Growth and Quality for Cut Tulip in Solar Greenhouse,S682.263
  16. Studies on Stress Resistance, cDNA Microarray and Carbohydrate Metabolism in Tomato Seedlings under Low Night Temperature,S641.2
  17. Digital Simulation of Temperature in Modern Greenhouse,S625.51
  18. Lithium anode material calcined alumina crucible Development,TQ174.6
  19. Multilayer coextrusion drooling forming process temperature control technology,TQ320.721
  20. Preliminary Analysis of Temperature Change and Urbanization Impacts in Lishi,P467
  21. Study of Micro Electron Mechanical System Performance Based on Temperature Field of Casimir Potential Energy,TH703

CLC: > Industrial Technology > Radio electronics, telecommunications technology > Basic electronic circuits > Pulse,pulse circuits > Pulse generation,pulse generator
© 2012 www.DissertationTopic.Net  Mobile