Double-input direct-current converter using non-isolation type pulse voltage source unit

A DC converter and pulse voltage technology, which is applied in the direction of converting DC power input to DC power output, electrical components, adjusting electrical variables, etc. simple structure
CN102437741AInactive Publication Date: 2012-05-02NANJING UNIV OF AERONAUTICS & ASTRONAUTICS
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
NANJING UNIV OF AERONAUTICS & ASTRONAUTICS
Publication Date
2012-05-02
Estimated Expiration
Not applicable · inactive patent

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Abstract

The invention relates to a double-input direct-current converter using a non-isolation type pulse voltage source unit, belonging to the technical field of power electronics. The double-input direct-current converter using the non-isolation type pulse voltage source unit comprises two non-isolation type pulse voltage source units, a blocking capacitor, a transformer, a rectifying circuit and an output filtering circuit. The double-input direct-current converter provided by the invention can utilize two non-isolation type pulse voltage source units with the same structure to separately or jointly supply power to a load and also can utilize the non-isolation type pulse voltage source units with different structures to separately or jointly supply power to the load. In the direct-current converter provided by the invention, a circuit topological structure is simple and the quantity of switching tubes is few; all the switching tubes can realize zero-voltage switching-on / off; and the direct-current converter has the advantages of high efficiency and high power density, so that the direct-current converter is applicable to middle-power and small-power new energy resource joint power supply systems.
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Description

[0001] technical field

[0002] The invention relates to a double-input DC converter using a non-isolated pulse voltage source unit, belonging to the technical field of power electronics. Background technique

[0003] With the depletion of fossil energy and the seriousness of environmental pollution, human beings are also devoting themselves to the development and utilization of new energy while continuously researching and developing energy-saving technologies. Compared with conventional energy, new energy is obtained by adopting new technologies and new materials, and systematically developed and utilized on the basis of new technologies. It mainly includes solar energy, wind energy, biomass energy, hydrogen energy, water energy, and geothermal energy. , ocean energy, etc.

[0004] However, most new energy sources are limited by climatic conditions, and have the disadvantages of unstable and discontinuous power supply. For this reason, new energy combined power generation...

Claims

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