What is the reasons of voltage sag in pmsg wind turbine connected to the grid?

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Moses Eterigho Emetere

Low voltages and outdated wind grid codes are the major reasons. Others are associated to the aforementioned

Hamit Can

https://ac.els-cdn.com/S1876610214011710/1-s2.0-S1876610214011710-main.pdf?_tid=a2dc17a0-c6b4-11e7-aeac-00000aab0f02&acdnat=1510386658_849ab2adb854d2652746eb033b461799

http://www.mdpi.com/1996-1073/6/7/3405/pdf