DC DC Converters to Suitable Applications of Coil Gun

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Acknowledgements

The author would like to gratefully acknowledge the guidance and encouragement of Mr. Billy Chow, the Project supervisor who inputs further stimulated my interest to look more into issues related to simulation of circuit and nurture me with ideas to improve the design and testing process. In the successful indicates the correct direction of this project.

Executive Summary

The aim of project is to researches and analyses for DC DC converter to suitable application of coil gun. In this project, the DC converters have different type and characteristics. That is introducing four types of them namely, Buck, Boost, Buck-Boost and Cuk converter were studied and compared. In design 4A, implement the circuit of high voltage DC DC boost converter was simulated using the PSIM software. The PSIM software is widely adopted in universities, consultants, research centers, companies, etc. This software is fastest simulators for power electronics circuit. It is capable of simulate large and complex power converter and control systems in a short time. Further to development on design 4B, the circuit will be modified to improves in ripple waveform of output and improve the feedback circuit to control the output voltage. Furthermore, the converter is adopted based on measurement and comparison between power circuits in simulation time.

Table of Content

No. Description Page
1. Introduction 4
2. Background 5
3. Literature Search
3.1 Type of DC DC Converter 6-11
4. Technical Work
4.1 Target specification 12
4.2 Implementation DC DC boost converter 12-15
4.3 Design and implementation of 555 integrated circuit 15-18
4.4 Implementation of high voltage DC DC boost converter 19-20
5. Project Plan 21
6. Discussion and Conclusion ...

... middle of paper ...

... circuit in database of PSIM software. Therefore, design the equivalent integrated circuit to suitable the high voltage DC DC boost converter. Then, it is successfully designed and simulated the output waveform of circuit. But, it is combination in the boost converter that the simulation results of output waveform have some problem for boost converter. The voltage and current of output stage are still rising which is not stopped from the long time.

In design 4B, it is required to improve the problem for voltage and current of output stage cannot stop, and the ripple waveform. That is needs to finish the designed, improved and simulated the booster converter, final project presentation, the demonstration and the final project report writing work. Although it would be a great challenge because need to work in day time and can only spend the night time on the project.

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