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Wind power generation intelligent single-phase grid-connection controller

A controller and single-phase technology, applied in wind power generation, single-net parallel feeding arrangement, etc., can solve problems such as energy loss, and achieve the effects of light weight, low cost and high efficiency

Inactive Publication Date: 2013-06-05
杨勇 +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0013] Magnetic energy conversion in transformers in existing isolated grid-connected inverters leads to energy loss

Method used

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  • Wind power generation intelligent single-phase grid-connection controller
  • Wind power generation intelligent single-phase grid-connection controller

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Embodiment Construction

[0017] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of the present invention.

[0018] This specific embodiment provides an intelligent single-phase grid-connected controller for wind power generation, such as figure 1 and figure 2 As shown, it includes a three-phase rectification unit 1, a DC input switch 2, a DC boost circuit 3, an inverter circuit 4, a filter unit 5, a grid-connected switch 6, an electric energy bidirectional metering unit 7, a drive circuit 8, a main control unit 10, Sampling circuit 11, human-computer interaction equipm...

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Abstract

The invention provides a wind power generation intelligent single-phase grid-connection controller. A signal output end of a corresponding three-phase rectifier unit is connected with a signal input end terminal of a direct current input switch, a direct current signal output end of the direct current input switch is connected with a direct current signal input end of a direct current step-up circuit, and the direct current signal output end of the direct current step-up circuit is connected with a direct current signal input end of an inverter circuit; a signal output end of the inverter circuit is connected with the signal input end of a filter unit, a filtering signal output end of the filter unit is connected with a filtering signal input end of a grid-connection switch, and a signal output end of the grid-connection switch is connected with a signal input end of an electric energy bidirectional metering unit; the measuring signal input end of the electric energy bidirectional measuring unit is connected with a measuring signal input / output end of a main control unit, a driving signal output end of the main control unit is connected with a driving signal input end of a drive circuit, and a sampling signal output end of a sampling circuit is connected with a sampling signal input end of the main control unit.

Description

technical field [0001] The invention relates to an intelligent single-phase grid-connected controller for wind power generation, which belongs to the technical field of distributed power generation. Background technique [0002] With the worldwide emphasis on environmental protection and the global greenhouse effect, countries are competing to develop renewable energy utilization technologies including wind energy, and wind energy is a choice in energy policies for sustainable development, regardless of grid connection Great policy support has been given to large-scale wind turbines and off-grid small wind turbines suitable for farmers and herdsmen in remote areas. [0003] In recent years, small-scale distributed wind power generation has achieved rapid development, because the converted wind energy is directly input into the grid, eliminating the need to configure batteries, saving the process of battery energy storage and release, and can make full use of the generated po...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H02J3/38
CPCY02E10/763Y02E10/76
Inventor 杨勇邱凯
Owner 杨勇
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