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Wide-range constant-power bidirectional direct-current converter

A bidirectional DC conversion and constant power technology, which is applied in the direction of converting DC power input to DC power output, output power conversion devices, instruments, etc., can solve the problems of increased installation and design costs, inconvenient use, and differences, and achieve cost savings , the effect of improving reliability

Pending Publication Date: 2020-04-10
SHENZHEN UUGREENPOWER ELECTRIC CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In traditional engineering applications, depending on the constant power voltage range, different topological structures need to be designed, which cannot achieve wide range voltage constant power input and output
Furthermore, it leads to problems such as increased installation and design costs and inconvenient use.

Method used

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Embodiment Construction

[0027] In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.

[0028]The invention relates to a wide-range constant power bidirectional DC converter, comprising: a primary side input switch module, a transformer module, a secondary side output switch module, a voltage equalization control network, an output module and a high and low voltage mode switching network connected in sequence, wherein the The transformer module includes a first transformer network and a second transformer network, the primary side input switch module includes a first primary side input switch network and a second primary side input switch network, and the secondary side output switch m...

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Abstract

The invention relates to a wide-range constant-power bidirectional direct-current converter. The wide-range constant-power bidirectional direct-current converter comprises a primary side input switchmodule, a transformer module, a secondary side output switch module, a voltage-sharing control network, an output module and a high-low voltage mode switching network, wherein the high-low voltage mode switching network is switched between a first mode and a second mode, so that the wide-range constant-power bidirectional direct-current converter outputs a first voltage or a second voltage. According to the wide-range constant-power bidirectional direct-current converter, wide-range voltage constant-power input and output can be achieved by arranging the high-low voltage mode switching network.

Description

technical field [0001] The invention relates to the field of power supply modules, and more specifically, relates to a wide range constant power bidirectional DC converter. Background technique [0002] With the increasing energy crisis and the improvement of people's awareness of environmental protection, new energy electric vehicles have become the focus of research and application in various countries because of their green and efficient use of energy. Among them, the research on charging and discharging equipment is the most important. Generally, the battery voltage range of electric vehicles: the voltage of the car is about 350V, the battery voltage of the bus is about 400V-500V, and the battery voltage of the bus is about 600V. At present, electric vehicle charging and discharging power supply modules are mainly divided into three categories according to the constant power voltage range: the first category constant power voltage range 375V ~ 500V; the second category ...

Claims

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Application Information

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IPC IPC(8): H02M3/335
CPCH02M3/33584H02M3/33576H02M1/0074H02M1/0077H02M3/01H02M3/1584
Inventor 胡咸兵邓礼宽柏建国
Owner SHENZHEN UUGREENPOWER ELECTRIC CO LTD
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