Voltage converter, control method and device thereof and voltage conversion equipment

A technology of a voltage converter and a control method, which is applied in the direction of output power conversion device, electric variable adjustment, control/regulation system, etc., can solve problems such as poor working performance and unreliable use, and achieve simple structure, reliable use, good work performance

Pending Publication Date: 2022-05-13
SHENZHEN POWER SUPPLY BUREAU
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] Based on this, it is necessary to provide a voltage converter and its control method, device and voltage conversion equipment to solve the problems of poor working performance and unreliable use of traditional DC-DC converters

Method used

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  • Voltage converter, control method and device thereof and voltage conversion equipment
  • Voltage converter, control method and device thereof and voltage conversion equipment
  • Voltage converter, control method and device thereof and voltage conversion equipment

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Embodiment Construction

[0029] In order to make the purpose, technical solutions and advantages of the present application clearer, the present application will be described more comprehensively through the following embodiments and in conjunction with the accompanying drawings. It should be understood that the specific embodiments described here are only used to explain the present application, not to limit the present application.

[0030] In one embodiment, a voltage converter is provided, see figure 1 , including the first capacitor C1, the second capacitor C2, the first inductor L1, the second inductor L2, the first switch tube S1, the second switch tube S2, the third switch tube S3 and the fourth switch tube S4, the first capacitor C1 The first end of the first inductor L1 is connected to the first end of the first switching tube S1, the first end of the first inductor L1 and the first end of the third switching tube S3 are both connected to the second end of the first switching tube S1, and th...

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Abstract

The invention relates to a voltage converter, a control method and device thereof and voltage conversion equipment, and the voltage converter comprises a first capacitor, a second capacitor, a first inductor, a second inductor, a first switching tube, a second switching tube, a third switching tube and a fourth switching tube. The first end of the first inductor and the first end of the third switch tube are connected with the second end of the first switch tube, the first end of the fourth switch tube and the second end of the second switch tube are connected with the second end of the first inductor, the second end of the third switch tube is connected with the second end of the second inductor, and the second end of the fourth switch tube is connected with the first end of the second inductor. The first end of the second switch tube is connected with the first end of the second capacitor. The second end of the second capacitor is connected with the second end of the second inductor. The voltage converter is simple and symmetrical in structure, capable of achieving high-output-gain boost conversion and low-output-gain buck conversion, good in working performance and reliable in use.

Description

technical field [0001] The present application relates to the technical field of voltage change, in particular to a voltage converter, its control method, device and voltage conversion equipment. Background technique [0002] Voltage converters are widely used in many industrial occasions, such as new energy power generation, electric vehicles, DC distribution networks, etc. There are many types of voltage converters, for example, DC-DC converters are one of them, and DC-DC converters can convert input voltages and effectively output fixed voltages. [0003] Traditional DC-DC converters include isolated DC-DC converters and non-isolated DC-DC converters. The isolated DC-DC converter can effectively expand the step-up ratio by adjusting the transformer turns ratio, but the additional transformer inevitably increases the size of the converter and reduces the power density, and the leakage inductance of the transformer may It brings a larger peak voltage to the switch tube, a...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H02M3/158
CPCH02M3/1582
Inventor 赵宇明王静李艳刘国伟童亦斌范紫莲
Owner SHENZHEN POWER SUPPLY BUREAU
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