| Autor: |
Yong-Su-Yang, Hee-Je Kim, Seong-Wook Park, Dong-Gil Lee, Guo-Cheng Xu |
| Rok vydání: |
2011 |
| Předmět: |
|
| Zdroj: |
Journal of Electrical Engineering and Technology. 6:842-848 |
| ISSN: |
1975-0102 |
| DOI: |
10.5370/jeet.2011.6.6.842 |
| Popis: |
The current study proposes the design of a hybrid series-parallel resonant converter (SPRC) and a three-stage Cockcroft-Walton voltage multiplier for precisely adjusting the power generated by a continuous wave (CW) CO 2 laser. The design of a hybrid SPRC, called LCC resonant converter, is described, and the fundamental approximation of a high-voltage and high-frequency (HVHF) transformer with a resonant tank is discussed. The results of the current study show that the voltage drop and ripple of a three-stage Cockcroft-Walton voltage multiplier depend on frequency. The power generated by a CW CO 2 laser can be precisely adjusted by a variable-frequency controller using a DSP (TMS320F2812) microprocessor. The proposed LCC converter could be used to obtain a maximum laser output power of 23 W. Moreover, it could precisely adjust the laser output power within 4.3 to 23 W at an operating frequency range of 187.5 to 370 kHz. The maximum efficiency of the CO 2 laser system is approximately 16.5%, and the minimum ripple of output voltage is about 1.62%. |
| Databáze: |
OpenAIRE |
| Externí odkaz: |
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