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Wind power generation and transmission system by dividing net technology

Author: YangQuanXin
Tutor: WangZuo
School: Beijing Jiaotong University
Course: Electrical Engineering
Keywords: Fractional Frequency Transmission Wind Power Matrix cycloconverter MATLAB / Simulink Grid
CLC: TM72
Type: Master's thesis
Year: 2010
Downloads: 319
Quote: 1
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Abstract


Wind power and solar power and other new environmentally friendly , renewable energy power systems has become a new direction , with the gradual expansion of wind power capacity and grid wind farm wind power to become the main form . Because wind energy resources away from the load centers , so large-capacity , long-distance transmission of wind power and wind power generation network technology is the development of much-needed research is important and difficult . This paper analyzes the existing offshore wind power transmission grid pattern problems , and a variety of wind turbine characteristics, discusses the new fractional frequency transmission technology in the offshore wind power generation applications, and that \matrix -based division cycloconverter transmission \In conventional designs, fractional frequency transmission system terminal type must be ferromagnetic transformer low frequency electrical energy generated by the generator frequency is converted to electrical energy , but a lot of research and testing show that the design and operation of the transformer there are many problems , and inefficient . This article studies the use of matrix -type cycloconverter alternative ferromagnetic transformer establishment of sub- octave frequency transmission system plan , the MATLAB / Simulink environment using SimPowerSystems toolbox to build such a matrix cycloconverter simulation model , thereby establishing a entire offshore wind flexible Fractional frequency Transmission System simulation model. In the above model , based on the study of the steady state of operation of the system , focusing on analysis of the system's transmission capacity and transport efficiency , harmonic and reactive power compensation and other issues. This analysis showed that , based on matrix cycloconverter Flexible Fractional Frequency Transmission System is the fractional frequency transmission technology and power electronics technology flexible and efficient combination for high-capacity, long-distance offshore wind farm provides a great potential for transmission grid technology solutions.

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CLC: > Industrial Technology > Electrotechnical > Transmission and distribution engineering, power network and power system > Transmission and distribution technology
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