风储联合下风电场无功电压控制研究
[Abstract]:At present, the environmental problem is increasingly prominent, the energy crisis is also gradually aggravated, and the development of energy generation can effectively alleviate the problem of traditional energy depletion. In the new energy generation technology, the development of wind power generation technology is relatively rapid. Wind farm has its own active and reactive power regulation characteristics, but its own regulation is very limited. At the same time, in order to meet the requirements of grid connection and reliable operation, most wind farms are equipped with reactive power compensation devices. The reactive power compensation devices used in wind farms are shunt capacitors, SVC and STATCOM.. The energy storage wind field with the energy storage equipment can smooth the wind field output force. The cooperation of both active and reactive power compensation equipment can not only improve the output power of the wind farm, but also adjust the outlet voltage. It can also improve the low pressure traversing ability of wind farm. In this paper, the important role of STATCOM in voltage regulation of doubly-fed wind turbine is verified by simulation. Secondly, on the basis of the classification method of wind turbine, the reactive power and voltage control strategy of energy storage wind farm is studied. Taking Haixing wind farm in southern Hebei as an example, the voltage control scheme after installation of energy storage device and reactive power compensator is studied. Finally, the control strategy is visualized, and the software platform of reactive power and voltage control strategy for energy storage wind farm is built.
【学位授予单位】:华北电力大学
【学位级别】:硕士
【学位授予年份】:2017
【分类号】:TM614
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