任永峰;彭伟;刘海涛;薛宇;周杰;安中全;

• 1:内蒙古工业大学电力学院
• 2:内蒙古电力科学研究院
• 3:北京天润新能投资有限公司
• 4:北京天源科创风电技术有限责任公司

摘要(Abstract)：

以基于双三电平变流器的2 MW直驱式永磁同步风力机组低电压穿越为研究对象,机侧变流器采用最大转矩电流比控制,对网侧变流器提出了新颖的稳态时单位功率因数控制、电网暂态故障时无功优先、有功受限协调控制策略。对全钒液流电池和超级电容进行等效电路模型分析,采用双向DC/DC变换电路作为混合储能系统和风力机组直流母线的接口,并定量模拟电网电压单相、三相深度跌落,对机组采用直流母线卸荷电路、改进控制策略以及混合储能方式实现低电压穿越进行了对比仿真。研究结果很好地说明:上述3种方案在严重的电网电压跌落情况下均可实现风电机组低电压穿越,钒电池?超级电容混合储能方式可以更好地提升机组低电压穿越能力,并加速系统有功恢复过程。

关键词(KeyWords)： 混合储能;永磁同步发电机;低电压穿越;控制;风力发电

Abstract:

Keywords:

基金项目(Foundation): 国家自然科学基金项目(51367012);; 新世纪优秀人才支持计划项目(NCET-11-1018);; 内蒙古自然科学博士基金项目(2011BS0903)~~

作者(Author): 任永峰;彭伟;刘海涛;薛宇;周杰;安中全;

Email:

DOI: 10.13335/j.1000-3673.pst.2014.11.012

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