张北高电压脱网事故中风电场动态行为分析与仿真
发布时间：2018-07-16 10:36
【摘要】：基于计及动态无功控制影响的无功-电压灵敏度分析方法,详细分析了张北各风电场内动态无功源所采用的送出线路恒无功、双馈异步风力发电机组(DFIG)及静止无功发生器(SVG)恒无功等多种控制方式在"5.14"高压连锁脱网事故中的动态行为及影响因素,得出了DFIG及SVG采用恒感性无功控制同样会增大风电场母线的无功-电压灵敏度,且增大程度取决于风电场初始容性、感性无功及短路容量比的结论。结合简单系统以及"5.14"事故,在PSS/E中仿真分析不同控制方式及初始状态下的风电场受到电容扰动后对场侧35 kV母线电压的影响,仿真结果进一步验证了所得出结论的合理性。
[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.
【作者单位】： 华北电力大学电气与电子工程学院;国网冀北电力有限公司电力科学研究院;北京送变电公司;
【分类号】：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.
【作者单位】： 华北电力大学电气与电子工程学院;国网冀北电力有限公司电力科学研究院;北京送变电公司;
【分类号】：TM614;TM743
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