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Wind power system bifurcation controller based on DSP and working method thereof

A technology of wind power system and wind power generation system, applied in the interdisciplinary field of power system and control theory

Active Publication Date: 2014-01-01
TIANJIN UNIVERSITY OF TECHNOLOGY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

These studies are still in their infancy for the bifurcation control of nonlinear systems. Although there are many methods for controlling bifurcations, if they are related to specific nonlinear dynamical systems, different control strategies have different effects on the system

Method used

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  • Wind power system bifurcation controller based on DSP and working method thereof
  • Wind power system bifurcation controller based on DSP and working method thereof
  • Wind power system bifurcation controller based on DSP and working method thereof

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Embodiment

[0058] Embodiment: a kind of DSP-based wind power system bifurcation controller (see figure 1 ), which is characterized in that it includes a wind power generation system unit including flexible AC power transmission equipment, an interface circuit and a DSP control unit with a bifurcation controller; wherein, the input end of the interface circuit collects the signal on the side of the wind power generation system unit, and its The output terminal outputs the processed signal to the wind power generation system unit; the input terminal of the DSP control unit with bifurcation controller receives the sampling detection signal of the interface circuit, and its output terminal is also connected to the input terminal of the interface circuit.

[0059] The wind power system unit (see figure 1 ) is composed of a wind turbine, a gearbox, a generator, a grid-connected controller, a reactive power compensation device, a power grid, and a load; the input end of the gearbox receives t...

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Abstract

A wind power system bifurcation controller based on a DSP is characterized in that a wind power system unit comprising flexible AC power transmission equipment, an interface circuit, and a DSP control unit with a bifurcation controller. A working method of the wind power system bifurcation controller based on the DSP comprises the steps of collecting, processing, bifurcation judging, bifurcation control and signal output of voltage current signals. The wind power system bifurcation controller based on the DSP and the working method thereof have the advantages that the system stability is good, the control precision is high, and the response speed is high; the bifurcation phenomenon in a wind power generating system can be well removed; the structure is simple, and control is easy.

Description

(1) Technical field: [0001] The invention is used in the wind power generation industry, and relates to the cross field of electric power system and control theory, especially a DSP (Digital Signal Processing—Digital Signal Processor)-based wind power system bifurcation controller and its working method. (2) Background technology: [0002] With the rapid development of society, the global non-renewable resources are facing more and more severe situation, and the development of renewable energy has made outstanding contributions to alleviating the energy shortage, especially wind energy as a clean energy is becoming more and more received widespread attention. At present, as one of the main utilization methods of wind energy - wind power generation has been developed rapidly. [0003] With the rapid development of wind power generation, the particularity of wind energy itself, such as randomness and wave quality. The stability of the wind power generation system is seriousl...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H02J3/00H02J3/38
CPCY02E10/763Y02E10/76
Inventor 马幼捷张禹周雪松徐晓宁李超谷海清袁洪德侯兆豪吴浩
Owner TIANJIN UNIVERSITY OF TECHNOLOGY
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