Distributed power system and communication crosstalk suppression method therefor

A technology of distributed power supply and wireless communication, applied in electrical components, circuit devices, etc., can solve problems such as communication crosstalk, and achieve the effect of avoiding communication crosstalk

Active Publication Date: 2018-11-23
SUNGROW POWER SUPPLY CO LTD
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Problems solved by technology

[0005] The invention provides a distributed power supply system and its communication cr

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  • Distributed power system and communication crosstalk suppression method therefor
  • Distributed power system and communication crosstalk suppression method therefor
  • Distributed power system and communication crosstalk suppression method therefor

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Embodiment Construction

[0048] The following will clearly and completely describe the technical solutions in the embodiments of the application with reference to the drawings in the embodiments of the application. Apparently, the described embodiments are only some of the embodiments of the application, not all of them. Based on the embodiments in this application, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the scope of protection of this application.

[0049] A distributed power system, such as a photovoltaic power generation system or an energy storage system, mainly includes: a main controller, multiple power devices, and at least one slave device. When multiple distributed power systems are arranged in a similar area, the method for suppressing communication crosstalk of the distributed power system provided by the embodiment of the present invention can be used.

[0050] The flow chart of the method for suppressing communicati...

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Abstract

The invention provides a distributed power system and a communication crosstalk suppression method therefor applied to the technical field of communication control. According to the method, a main controller communicates in a wireless manner or communicates through a power line carrier and transmits a first instruction to a slave device in a broadcasting form; the slave device analyzes the first instruction; first characteristic codes are pre-stored into the slave device; and the slave device executes the first instruction only when the slave device judges that the analysis result comprises the first characteristic codes to achieve operation control on corresponding power equipment and to also achieve distinguishing of instructions of the main controllers in different distributed power systems through the difference between the first characteristic codes, thereby solving the problem of communication crosstalk between the different distributed power systems in the prior art.

Description

technical field [0001] The invention relates to the technical field of communication control, in particular to a distributed power supply system and a communication crosstalk suppression method thereof. Background technique [0002] A distributed power system refers to a system with multiple power sources, such as a photovoltaic power generation system with multiple photovoltaic modules and photovoltaic inverters, or an energy storage system with multiple batteries and power control systems. Multiple devices in a distributed power system (such as power supply equipment, monitoring equipment, protection equipment, etc.) are usually under the centralized control of a main controller, for example, in a photovoltaic power generation system with multiple photovoltaic inverters, all photovoltaic inverters The controllers are all controlled by a main controller (sometimes called station controller) to realize switching on and off, active and reactive power scheduling, etc. In view...

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Application Information

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IPC IPC(8): H02J13/00
CPCH02J13/00018H02J13/00007Y02E60/00
Inventor 俞雁飞杨宗军倪华
Owner SUNGROW POWER SUPPLY CO LTD
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