High-integration three-port power converter
A power converter, three-port technology, applied in the direction of converting DC power input to DC power output, output power conversion device, collector, etc., can solve the problem of narrow application range, low power density, and three-port power converter conversion efficiency. Low and other problems, to achieve the effect of wide application range, high power density, and easy hardware circuit implementation
Active Publication Date: 2021-10-01
CHINA ELECTRONIC TECH GRP CORP NO 18 RES INST
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Problems solved by technology
[0005] Aiming at the deficiencies of the existing technology, the present invention proposes a highly integrated three-port power converter, which is used to solve the problems of low conversion
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[0018] In order to better understand the present application scheme, the technical solutions in the present application embodiment will be apparent from the drawings in the present application, and the described embodiments are clearly described herein. It is an embodiment of the present application, not all of the embodiments. Based on the embodiments in the present application, one of ordinary skill in the art does not have all other embodiments obtained without creative labor, and should belong to the scope of the present application.
[0019] It should be noted that the terms "including" and "having" and any variations are intended to cover the inclusion of the inclusion, for example, the process, method, system, product, product, product, product, product, product, product, product, product, product, or device containing a series of steps or units. Those of the steps or units listed, but may include other steps or units that are not clearly listed or for these processes, meth...
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The invention discloses a high-integration three-port power converter, belonging to the technical field of power converters. The high-integration three-port power converter comprises three coupling inductors sharing one magnetic core, wherein the left side terminal of the first coupling inductor is connected with the positive electrode of a solar cell array, and the right side terminal of the first coupling inductor is connected with the negative electrode of the solar cell array through a first power tube; the right side terminal of the first coupling inductor is connected with the negative electrode of the solar cell array through a second power tube and a bus end load in sequence; the left side terminal of the second coupling inductor is connected with the positive electrode of a storage battery pack, the right side terminal of the second coupling inductor is connected with the negative electrode of the storage battery pack through a third power tube, and the right side terminal of the second coupling inductor is connected with the negative electrode of the storage battery pack through a fourth power tube and a second filtering and voltage-stabilizing capacitor in sequence; the left side terminal of the third coupling inductor is connected with the negative electrode of the storage battery pack through a second filtering and voltage-stabilizing capacitor; and the right terminal of the third coupling inductor is connected with the positive electrode of the solar cell array through the second power tube and the first coupling inductor in sequence.
Description
technical field [0001] The invention belongs to the technical field of power converters, in particular to a highly integrated three-port power converter. Background technique [0002] Three-port power converters are widely used in aerospace, new energy power generation and other fields. A three-port converter can realize power conversion and energy transfer among the three ports of the power generation unit, the energy storage battery and the power supply bus. By increasing or decreasing the number of converters connected in parallel, it is very easy to realize flexible expansion of power. Moreover, the multiplexing of power devices and magnetic devices significantly improves the power density of the converter. [0003] In the traditional three-port power converter design, in order to ensure lower ripple, a single-stage or multi-stage passive filtering link is usually added at the input and output ends to achieve mutual cancellation of input currents. The converter circui...
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Login to view more IPC IPC(8): H02J7/35H02M3/158H01F37/00H01F27/30H02J1/10H02J7/00
CPCH02J7/35H02M3/158H01F37/00H01F27/306H02J1/10H02J7/0068H02J7/0063H02J2300/24H02J2207/20Y02E10/56
Inventor 鲁伟王保平赵春阳陈洪涛张泰峰赵秋山代磊韩娜
Owner CHINA ELECTRONIC TECH GRP CORP NO 18 RES INST
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