Direct-current 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., can solve the problem of DC voltage source control accuracy reduction, and achieve the effect of reducing control accuracy
Active Publication Date: 2020-09-08
SHENZHEN WINLINE TECH
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[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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[0017] It should be noted that, in the case of no conflict, the embodiments in the present disclosure and the features in the embodiments can be combined with each other. The present disclosure will be described in detail below with reference to the accompanying drawings and embodiments.
[0018] In order to enable those skilled in the art to better understand the present disclosure, the technical solutions in the embodiments of the present disclosure will be clearly and completely described below in conjunction with the drawings in the embodiments of the present disclosure. Obviously, the described embodiments are only It is an embodiment of a part of the present disclosure, but not all of the embodiments. Based on the embodiments in the present disclosure, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts shall fall within the protection scope of the present disclosure.
[0019] It should be noted that the terms "first" a...
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The invention discloses a direct-current voltage source system, a control method and a storage medium. The direct-current voltage source system comprises a main control module and a plurality of direct-current voltage sources in communication connection with the main control module, wherein the plurality of direct-current voltage sources are arranged in parallel, each direct-current voltage sourcecomprises a droop control module for performing droop control, the droop control module is configured to perform droop control on the respective direct-current voltage sources according to a first set voltage value received from the main control module, a system output voltage value output by the direct-current voltage source system and the voltage source output current values output by the respective direct-current voltage sources, and the main control module is further configured to receive an input second set voltage value for indicating a voltage to be output by the direct-current voltagesource system, compensate the second set voltage value according to the difference value between the second set voltage value and the system output voltage value, and determine a first set voltage value.
Description
technical field [0001] The present application relates to the parallel control technology of DC voltage sources, in particular to a DC voltage source system, a control method and a storage medium. Background technique [0002] With the expansion of DC power loads, the power capacity requirements of DC voltage sources are getting higher and higher, but the power capacity of a single DC voltage source is limited by the volume and cost and cannot meet the increasing load demand, while DC voltage sources 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. In the parallel method based on droop control, there is no need to set up a parallel communication line between the DC voltage sources, and the relationship betwee...
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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