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For the receiver power system, it is generally acknowledged that after the splitting of power grid the frequency of the islanded grid will decline because of the active power vacancy. But the actual operating experience indicates that when the active power vacancy exceeds certain extent, the voltage will drop but the frequency won't drop and even increases. This article discusses the interaction mechanism...
The low voltage ride through capability is an important aspect of the operation safety of the wind farm. According to the situation of the lack of effective monitoring of wind turbine operation, a online tracking quantitative evaluation method of wind turbine low voltage ride through capability (LVRT) is brought forward. This method realizes the monitoring and analysis of the safety of the operation...
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