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Adaptive-wave-frequency wave power generation system

A frequency self-adaptive, power generation system technology, applied to ocean energy power generation, electromechanical devices, electrical components, etc., to achieve the effects of reducing losses, improving energy utilization, and improving system efficiency

Inactive Publication Date: 2018-09-14
TIANJIN UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

But there is no design that adjusts for control variables based on additional mass and float draft

Method used

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  • Adaptive-wave-frequency wave power generation system
  • Adaptive-wave-frequency wave power generation system
  • Adaptive-wave-frequency wave power generation system

Examples

Experimental program
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Embodiment Construction

[0020] refer to figure 1 , figure 2 and image 3 , which is a wave energy power generation system that can automatically adjust the draft of the cylindrical float 17 according to changes in external wave conditions, including a wave state detection system, a parameter adjustment system 8, a wave energy capture system, a power generation system and a solar battery system 7 .

[0021] Specifically, the wave energy capture system converts wave energy into mechanical energy of the cylindrical buoy 17 by relying on the movement of the cylindrical buoy 17 . The heave motion of the cylindrical float 17 drives the mover 10 of the permanent magnet linear generator to perform linear reciprocating motion, and then the permanent magnet linear generator converts mechanical energy into electrical energy. The generated electric energy will supply power to the load, and the excess electric energy will be fed back to the battery system. While the system is running normally, the wave state...

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Abstract

The invention relates to a floater, comprising a water cavity 1, a partition 2, an air cavity 3, an adjusting shaft 4, pores 14, and a floater shell 16; the partition 2 is used for dividing the insideof the floater into the upper air cavity 3 and the lower water cavity 1; the partition 2 is in threaded connection with the adjusting shaft 4; the adjusting shaft 4 may rotate to drive the partition2 to move up and down, thereby dynamically adjusting draught depth of the floater; both the top and bottom of the floater shell 16 are provided with the pores 14; the adjusting shaft 4 in the middle of the floater is upwardly and coaxially directly connected with a permanent magnet linear generator rotor 10 and is then upwardly connected with direct-current motor 12 through connection component 13; the axes of the adjusting shaft 4, the permanent magnet linear generator rotor 10 and the linear motor 12 are collinear. The invention also provides an adaptive-wave-frequency wave power generationsystem using the floater, comprising a wave state detection system, a parameter adjusting system, a wave energy acquisition system, a power generation system and a solar battery system.

Description

technical field [0001] The invention belongs to the field of wave power generation, and specifically relates to a wave power generation device that can flexibly change the draft of a float according to wave conditions, and then change the natural frequency of the float, so that the system can work in an optimal near-resonance state within the maximum time range. Background technique [0002] The ocean is a treasure trove of abundant energy. The energy in the ocean includes tidal energy, wave energy, temperature difference energy, salinity difference energy and ocean current energy. The energy in the ocean is not only a renewable energy source, but also green and non-polluting. It is a very promising energy source under the situation of intensified energy crisis. Among them, wave power generation technology has been studied to varying degrees in many countries in recent years. The currently developed wave energy capture technologies include suction type, duck type, oscillati...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F03B13/16F03B15/00H02K7/18
CPCF03B13/16F03B15/00H02K7/1876Y02E10/30
Inventor 方红伟金立亭
Owner TIANJIN UNIV
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