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Control method, device and voltage control system for voltage converter

A voltage converter and control device technology, applied in the field of electric power, can solve problems such as time extension and inability to adjust the output current of the voltage converter, and achieve the effect of timely adjustment

Active Publication Date: 2021-06-08
JIANGSU CONTEMPORARY AMPEREX TECHNOLOGY LIMITED
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] However, the existing control scheme has a long time delay in the entire regulation process, and cannot adjust the output current of the voltage converter in time

Method used

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  • Control method, device and voltage control system for voltage converter
  • Control method, device and voltage control system for voltage converter
  • Control method, device and voltage control system for voltage converter

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Embodiment Construction

[0032] The characteristics and exemplary embodiments of various aspects of the application will be described in detail below. In order to make the purpose, technical solution and advantages of the application clearer, the application will be further described in detail below in conjunction with the accompanying drawings and specific embodiments. It should be understood that the specific embodiments described here are only intended to explain the present application rather than limit the present application. It will be apparent to one skilled in the art that the present application may be practiced without some of these specific details. The following description of the embodiments is only to provide a better understanding of the present application by showing examples of the present application.

[0033] It should be noted that in this article, relational terms such as first and second are only used to distinguish one entity or operation from another entity or operation, and d...

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Abstract

The application discloses a control method, a device and a voltage control system of a voltage converter. The control device includes: a first control module, used to obtain a current reference value according to the output voltage of the voltage converter and a given voltage value; a current modulation module, used for when the output current of the voltage converter is greater than the first current threshold , to reduce the current reference value; the second control module is used to control the output current of the voltage converter according to the reduced current reference value and the output current. According to the embodiment of the present application, when the output current of the voltage converter is overcurrent, it can be adjusted in time.

Description

technical field [0001] The present application belongs to the field of electric power, and in particular relates to a control method, device and voltage control system of a voltage converter. Background technique [0002] With the development of power technology, voltage converters can be used to convert voltage. For example, the conversion may be performed between AC voltage-AC voltage, AC voltage-DC voltage or DC voltage-DC voltage. [0003] In order to achieve precise control of voltage conversion, the output voltage and output current of the voltage converter can be used as feedback signals, and the feedback signals can be returned to the input terminal of the control in a certain way, and the control influence can be exerted on the input terminal. [0004] However, in the existing control scheme, the time delay of the entire control process is long, and the output current of the voltage converter cannot be adjusted in time. Contents of the invention [0005] The vol...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H02M1/00H02M1/32
CPCH02M1/00H02M1/32H02M1/0025H02M1/0006H02M7/48H02M7/5387H02M7/53803H02M1/0009
Inventor 何炜琛高锦凤但志敏侯贻真
Owner JIANGSU CONTEMPORARY AMPEREX TECHNOLOGY LIMITED
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