Four-switch-tube buck-boost converter control method and device, controller and storage medium

A converter control, four-switch technology, applied in output power conversion devices, control/regulation systems, DC power input conversion to DC power output, etc., can solve problems such as low control efficiency of bidirectional converters

Active Publication Date: 2021-03-26
XIAN TGOOD INTELLIGENT CHARGING TECH CO LTD
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  • Abstract
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Problems solved by technology

[0005] The purpose of this application is to provide a four-switch tube buck-boost converter control method, device, contr...

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  • Four-switch-tube buck-boost converter control method and device, controller and storage medium
  • Four-switch-tube buck-boost converter control method and device, controller and storage medium
  • Four-switch-tube buck-boost converter control method and device, controller and storage medium

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Embodiment Construction

[0074] In order to make the purpose, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be clearly and completely described below in conjunction with the drawings in the embodiments of the present application. It should be understood that the appended The figures are only for the purpose of illustration and description, and are not used to limit the protection scope of the present application. Additionally, it should be understood that the schematic drawings are not drawn to scale. The flowcharts used in this application illustrate operations implemented in accordance with some embodiments of the application. It should be understood that the operations of the flowcharts may be performed out of order, and steps that have no logical context may be performed in reverse order or concurrently. In addition, those skilled in the art may add one or more other operations t...

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Abstract

The invention provides a four-switch-tube buck-boost converter control method and device, a controller and a storage medium, and relates to the technical field of power electronic control. The methodcomprises the steps of acquiring a signal sampling value of a target port, wherein the target port includes at least one of a first port and a second port, and the signal sampling value includes a voltage sampling value and a current sampling value; generating a control signal according to the signal sampling value of the target port and a pre-acquired preset signal value of the target port, wherein the preset signal value includes a preset voltage value and a preset current value; and based on the control signal, generating a switch tube driving signal to drive the four-switch-tube buck-boostconverter to work. According to the scheme, real-time switching of energy flow is achieved by configuring the preset signal value of the port and adjusting the signal sampling value through the preset signal value, the control method is convenient to operate, rapid and smooth bidirectional switching can be achieved, and energy control efficiency is improved.

Description

technical field [0001] The present application relates to the technical field of power electronic control, in particular, to a control method, device, controller and storage medium of a four-switch tube buck-boost converter. Background technique [0002] DC-DC (direct current-direct current) converter is a power electronic application device that converts direct current energy into another direct current electric energy. Industrial control and other fields. Usually, DC-DC converters work unidirectionally. With the development of science and technology, many applications require DC energy to flow bidirectionally, such as battery charging and discharging systems, electric vehicles, aerospace power systems, uninterruptible power systems, etc., so bidirectional DC-DC converters have been derived. Among them, the four-switch Buck-Boost (boost-boost) topology obtained by combining the Buck and Boost converters is suitable for the voltage range due to its advantages of simple str...

Claims

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Application Information

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IPC IPC(8): H02M3/158
CPCH02M3/1584
Inventor 李田田王利强范杨平吕剑陈敬庚郭立科江威刘亚飞
Owner XIAN TGOOD INTELLIGENT CHARGING TECH CO LTD
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