A High Efficient, Compact 4th Order CLCL Converter Features to Use Constant-Current Power Supply | ||
| AUT Journal of Electrical Engineering | ||
| مقاله 8، دوره 51، شماره 1، شهریور 2019، صفحه 63-70 اصل مقاله (866.43 K) | ||
| نوع مقاله: Research Article | ||
| شناسه دیجیتال (DOI): 10.22060/eej.2019.14603.5234 | ||
| نویسندگان | ||
| Kamran Davoodi* 1؛ Javad Shokrollah Moghani2؛ sina salehi dobakhshari3 | ||
| 1Department of Electrical Engineering, Shahid Beheshti University Tehran, Iran & Mazandaran Regional Electric Company, Sari, Iran | ||
| 2Amirkabir University of Technology | ||
| 3Department of Electrical Engineering, Amirkabir University of Technology (AUT), Tehran, Iran | ||
| چکیده | ||
| This paper presents a 4th order CLCL resonant converter which is suitable for constant current power supply applications. This converter is designed with Immittance characteristic with two inductors and two capacitors in resonant network. A detailed analysis and design process of a 200w converter as a constant current supply have been provided and simulation results are verified with results of a constructed converter. In analyzing this converter, the AC analysis method is used. This converter with its unique structure, a combination of series and parallel resonant converter, has the advantages of both. As a constant current supply, CLCL resonant converter has the advantages of rigidity against short circuit even without a controller, easy operation in parallel mode, low circulating currents and high efficiency due to its soft switching operation. For this converter, leakage and magnetizing inductance of a transformer can be used as a part of the resonance network and it decreases the converter size. Also series capacitor, eliminates the DC component and prevents the transformer saturation in unbalance conditions. With fixed-frequency performance, filter design also will be easier. Considering these advantages, the proposed topology can be used in a variety of applications such as magnetic power supplies, capacitor charging power supplies and agitator for laser diodes. | ||
| کلیدواژهها | ||
| Constant current؛ DC-DC؛ Immittance؛ resonance converter؛ high efficiency | ||
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