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Small wind power generation controller with impedance source

A technology of a wind generator and an impedance source, applied in the electrical field, can solve the problems of high cost, low utilization rate of wind energy, complex structure, etc., and achieve the effects of low cost, reduced transmission loss, and simple system structure

Inactive Publication Date: 2012-12-19
佛山烨盛新能源科技有限公司 +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

To sum up, there are many shortcomings in the existing small wind power generation controllers, one is the low utilization rate of wind energy, and the other is the complex structure and high cost

Method used

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  • Small wind power generation controller with impedance source
  • Small wind power generation controller with impedance source
  • Small wind power generation controller with impedance source

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Experimental program
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Effect test

Embodiment

[0021] Small wind power controller with impedance source, including:

[0022] Wind turbine 101, three-phase rectifier bridge 102, impedance source network 103, step-down switch 104, freewheeling switch 105, boost switch 106, output capacitor 107, storage battery 108, load 109, voltage sensor 110, current sensor 111, signal Conditioning circuit 112, drive circuit 113, control circuit 114; the three-phase output of wind power generator 101 is connected with the input of three-phase rectifier bridge 102, the output of three-phase rectifier bridge 102 is connected with impedance source network 103, boost switch 106 Connected in parallel to the output end of the impedance source network 103, the buck switch 104 and the freewheeling switch 105 are connected in series back to back, and one end is connected to the drain of the boost switch 106, and the other end is connected to the positive pole of the output capacitor 107 and the battery 108, and the impedance source The negative ter...

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PUM

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Abstract

The invention discloses a small wind power generation controller with an impedance source. The controller comprises a wind power generator, a three phase rectifier bridge, an impedance source network, a voltage reduction switch, a freewheeling switch, a boost-up switch, an output capacitor, a storage battery, a load, a voltage transducer, a current transducer, a signal conditioning circuit, a drive circuit and a control circuit. The controller can realize voltage boost-up and reduction control for wind power generation, effectively improve the wind energy capture capability of the system and realize the MPPT (maximum power point tracking) control mode. The controller has the advantages of simple structure, low cost and higher reliability and can avoid the cut-through phenomenon.

Description

technical field [0001] The invention relates to a small wind power generation controller with an impedance source, in particular to a control device for supplying power to DC loads by using a permanent magnet direct drive small wind power generator, and belongs to the field of electrical technology. Background technique [0002] At present, small permanent magnet direct-drive wind power generation systems are more and more widely used, and the efficiency of wind power generation is a very important indicator. The use of wind power generation controllers can effectively improve the wind energy capture capability of wind power generation systems. [0003] Wind power generation is greatly affected by meteorological factors, so the output of wind power generation is also very unstable. In a small-scale wind power independent power supply system, energy storage devices such as batteries are usually required to provide stable power to the load. Therefore, the wind power controller...

Claims

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Application Information

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IPC IPC(8): H02P9/30
Inventor 冬雷
Owner 佛山烨盛新能源科技有限公司