張北高電壓脫網(wǎng)事故中風(fēng)電場動態(tài)行為分析與仿真
發(fā)布時間：2018-07-16 10:36
【摘要】：基于計及動態(tài)無功控制影響的無功-電壓靈敏度分析方法,詳細(xì)分析了張北各風(fēng)電場內(nèi)動態(tài)無功源所采用的送出線路恒無功、雙饋異步風(fēng)力發(fā)電機(jī)組(DFIG)及靜止無功發(fā)生器(SVG)恒無功等多種控制方式在"5.14"高壓連鎖脫網(wǎng)事故中的動態(tài)行為及影響因素,得出了DFIG及SVG采用恒感性無功控制同樣會增大風(fēng)電場母線的無功-電壓靈敏度,且增大程度取決于風(fēng)電場初始容性、感性無功及短路容量比的結(jié)論。結(jié)合簡單系統(tǒng)以及"5.14"事故,在PSS/E中仿真分析不同控制方式及初始狀態(tài)下的風(fēng)電場受到電容擾動后對場側(cè)35 kV母線電壓的影響,仿真結(jié)果進(jìn)一步驗(yàn)證了所得出結(jié)論的合理性。
[Abstract]:Based on the reactive power voltage sensitivity analysis, taking into account the influence of dynamic reactive power control, the dynamic reactive power of the dynamic reactive power sources in each wind farm in Zhangbei is analyzed in detail in the dynamics of the "5.14" high voltage cascading deactivation accident, with the double fed asynchronous wind turbine (DFIG) and static reactive generator (SVG) constant reactive power control. It is concluded that the use of constant inductive reactive power control in DFIG and SVG will also increase the reactive voltage sensitivity of the wind farm busbar, and the degree of increase depends on the conclusion of the initial capacity, the inductive reactive power and the short circuit capacity ratio of the wind farm. In combination with the simple system and the "5.14", the simulation and analysis of different control modes and initialization in PSS/E are carried out. The influence of capacitive disturbance on the 35 kV bus voltage of the wind farm is simulated. The simulation results further verify the reasonableness of the conclusion.
【作者單位】： 華北電力大學(xué)電氣與電子工程學(xué)院;國網(wǎng)冀北電力有限公司電力科學(xué)研究院;北京送變電公司;
【分類號】：TM614;TM743
[Abstract]:Based on the reactive power voltage sensitivity analysis, taking into account the influence of dynamic reactive power control, the dynamic reactive power of the dynamic reactive power sources in each wind farm in Zhangbei is analyzed in detail in the dynamics of the "5.14" high voltage cascading deactivation accident, with the double fed asynchronous wind turbine (DFIG) and static reactive generator (SVG) constant reactive power control. It is concluded that the use of constant inductive reactive power control in DFIG and SVG will also increase the reactive voltage sensitivity of the wind farm busbar, and the degree of increase depends on the conclusion of the initial capacity, the inductive reactive power and the short circuit capacity ratio of the wind farm. In combination with the simple system and the "5.14", the simulation and analysis of different control modes and initialization in PSS/E are carried out. The influence of capacitive disturbance on the 35 kV bus voltage of the wind farm is simulated. The simulation results further verify the reasonableness of the conclusion.
【作者單位】： 華北電力大學(xué)電氣與電子工程學(xué)院;國網(wǎng)冀北電力有限公司電力科學(xué)研究院;北京送變電公司;
【分類號】：TM614;TM743
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