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Outline
A switch-clamped high-gain coupled inductor DC-DC converter is proposed, which co-adjusts the voltage gain by coupling the turns ratio of the coupled inductor and the duty cycle. Therefore, it can realize a very high voltage gain at a low duty cycle. A switch-clamped structure is used to eliminate voltage spikes on power switches, and the energy stored in leakage inductance is recovered through switch capacitors, thus improving the lifespan of the converter. The voltage stress of power switches in this structure is low, and the required duty cycle is small, which can effectively reduce switch losses and improve the efficiency of the converter. A comparison with other converters was performed. In addition, a 200 W low-power prototype was built for experimental analysis, and results verified the feasibility and theoretical correctness of the proposed topology.
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| 科 Family | 属数 Number of genus | 种数 Number of species | 占总种数比例 Percentage of total species (%) | 属 Genus | 种数 Number of species | 占总种数比例 Percentage of total species (%) |
|---|---|---|---|---|---|---|
| 鹅膏菌科Amanitaceae | 2 | 11 | 5.26 | 鹅膏菌属 Amanita | 10 | 4.78 |
| 小菇科 Mycenaceae | 2 | 12 | 5.74 | 丝盖伞属 Inocybe | 5 | 2.39 |
| 多孔菌科 Polyporaceae | 8 | 14 | 6.70 | 蜡蘑属 Laccaria | 5 | 2.39 |
| 红菇科 Russulaceae | 3 | 23 | 11.00 | 小皮伞属 Marasmius | 6 | 2.87 |
| 小菇属 Mycena | 11 | 5.26 | ||||
| 光柄菇属 Pluteus | 5 | 2.39 | ||||
| 红菇属 Russula | 17 | 8.13 | ||||
| 栓菌属 Trametes | 5 | 2.39 |
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