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An approach to determining the local boundaries of voltage stability region with wind farm

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An approach to determining the local boundaries of voltage stability region with wind farms in

power injection space

佚名

【期刊名称】《中国科学》 【年(卷),期】2010(000)012

【摘要】A new approach to determining the local boundaries of voltage stability region in power injection space (IVSR) for power system with wind farms is presented. It can be used for power system voltage stability analysis and on-line security assessment with considering the output uncertainty of the wind farms. Firstly, power flow tracing and double dispatching are used to determine the generators that are closely related to the wind farms, in order to balance the power fluctuations caused by the wind speed variation. Then, modal analysis is used to get the key generators to achieve an effective dimension reduction for IVSR. Finally, the forecasting output power (or wind speed) of wind farms is divided into several intervals. For each interval, the corresponding local IVSR boundaries can be calculated by the method based on small disturbance. Moreover, parallel process is used to accelerate the computing speed. The presented approach is validated by several power systems. It can be revealed that the approach can give the local IVSR boundaries at different wind speeds and has a good

An approach to determining the local boundaries of voltage stability region with wind farm

Anapproachtodeterminingthelocalboundariesofvoltagestabilityregionwithwindfarmsinpowerinjectionspace佚名【期刊名称】《中国科学》【年(卷),期】2010(000)012【摘要】Ane
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