从110kV接入系统的机组对电网稳定性影响的分析  

Analysis and Influence for Stabilization of Grid by Connecting Generator to 110kV net

作　　者：石雪梅 

机构地区：[1]安徽电力科学研究院,安徽合肥230021

出　　处：《安徽电力》2008年第1期22-26,共5页Anhui Electric Power

摘　　要：为了提高电网安全稳定分析的有效性和适应性,文中使用中国版PSD-BPA稳定分析程序,针对2006年安徽电网从110kV接入系统的小机组励磁系统详细模型对220kV主网安全稳定水平的影响进行了专项研究。研究结果表明,从电网末端接入110kV系统的小机组若配有自动解列装置,则对主网的暂态稳定性影响不大;发电机及励磁系统采用详细模型计算地区电网静态、暂态稳定结果比采用Eq恒定模型计算地区电网暂态稳定水平略微有提高。In order to enhance validity and flexibility of grid safety and stability, in this article, the Chinese version of PSD-BPA stability analysis procedure was used, Special investigation was carried out from 220 kV grid by Connecting Generator to 110 kV grid at 2006 of Anhui grid. The result of investigation shows if that connecting small unit which had automatic disconnection to 110kV grid at the power grid terminal, there will be no more influence to the transient stability of main power grid. Transient stability will improve slightly compare with which the generator and its excitation system having been introduced the detailed model to calculate the local power grid and with which use Eq'constant model to calculate the local power grid.

关 键 词：110kV 电网 小机组 励磁模型 静态稳定 暂态稳定 

分 类 号：TM712[电气工程—电力系统及自动化]