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DC voltage source system, control method and storage medium

A technology of DC voltage source and voltage source, which is applied in parallel operation of DC power supply, DC network circuit device, load balance in DC network, etc., and can solve problems such as the reduction of control accuracy of DC voltage source

Active Publication Date: 2021-08-20
SHENZHEN WINLINE TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] The present disclosure provides a DC voltage source system, a control method, and a storage medium, so as to at least solve the technical problem in the prior art that the droop control causes the control accuracy of parallel operation of the DC voltage source to decrease

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  • DC voltage source system, control method and storage medium
  • DC voltage source system, control method and storage medium
  • DC voltage source system, control method and storage medium

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Embodiment Construction

[0017] It should be noted that the embodiments of the present disclosure and the features of the embodiments may be combined with each other under the condition of no conflict. The present disclosure will be described in detail below with reference to the accompanying drawings and in conjunction with embodiments.

[0018] In order to make those skilled in the art better understand the solutions of the present disclosure, the technical solutions in the embodiments of the present disclosure will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present disclosure. Obviously, the described embodiments are only Embodiments are part of the present disclosure, but not all of the embodiments. Based on the embodiments in the present disclosure, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present disclosure.

[0019] It should be...

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Abstract

The application discloses a DC voltage source system, a control method and a storage medium. The DC voltage source system includes: a main control module; and a plurality of DC voltage sources communicated with the main control module. A plurality of DC voltage sources are arranged in parallel, and the DC voltage source includes a droop control module for droop control. The droop control module is configured to control the respective DC voltage sources according to the first set voltage value received from the main control module, the system output voltage value output by the DC voltage source system, and the voltage source output current value output by the respective DC voltage sources. Perform droop control. Wherein, the main control module is further configured to: receive an input second set voltage value, the second set voltage value is used to indicate the voltage to be output by the DC voltage source system; and according to the second set voltage value and the system The difference between the output voltage values ​​compensates the second set voltage value to determine the first set voltage value.

Description

technical field [0001] The present application relates to the parallel control technology of DC voltage sources, and in particular, to a DC voltage source system, a control method and a storage medium. Background technique [0002] With the expansion of the DC power load, the requirements for the power capacity of the DC voltage source are getting higher and higher, but the power capacity of a single DC voltage source is limited by the size and cost and cannot meet the increasing load demand, while the DC voltage source The parallel operation between them can adjust the number of parallel machines as needed, so that the entire DC voltage source system can meet the load demand. [0003] In the current parallel operation of DC voltage sources, better transient response and steady-state stability can be obtained based on droop control. Based on the parallel method of droop control, there is no need to set parallel communication lines between the DC voltage sources. Each DC vo...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H02J1/10H02J1/14H02M1/00
CPCH02J1/14H02M1/00H02J1/106H02M1/0067
Inventor 杨耀杨惠坤朱建国
Owner SHENZHEN WINLINE TECH