江海敏,袁越,张新松,傅质馨

• 1:河海大学能源与电气学院
• 2:河海大学可再生能源发电技术教育部工程研究中心

摘要(Abstract)：

并网风功率中含有的波动分量有可能会导致风电并网点的电压闪变。当风电接入低压配电网时,传统的基于无功补偿的闪变抑制方案具有一定的局限性。提出基于储能技术的风功率波动平抑方案,该方案采用超级电容器为储能元件,功率调节系统采用电压源型变流器VSC(voltage source converte)r级联双向DC/DC变换器结构。将低通滤波器滤过的风功率作为控制目标,建立储能系统的控制策略,实现对有功功率的追踪。以考虑塔影效应和风剪切的风速模型作为输入,仿真比较了风电场采用储能调节有功功率前后的功率波动和闪变值。仿真结果验证了方案的正确性和控制策略的有效性。

关键词(KeyWords)： 超级电容器;风力发电;闪变;功率平抑

Abstract:

Keywords:

基金项目(Foundation): 国家自然科学基金项目(51077041)

作者(Author): 江海敏,袁越,张新松,傅质馨

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