System description 33
With the crowbar and the DC chopper, the wind turbine is capable of handling fault
situations like rotor overspeed, short interruptions, voltage dips/sags and swells. With
these energy absorbers, the converter is capable of meeting even the most strictest grid
fault ride-through requirements in accordance with international grid codes.
R2
ABRU
R2
ACBU
MCB1MCB3
LCLISU
MCB2
INU
MCB
WIND TURBINE CTRL
CONVERTER CTRL
DC chopper
(optional)
Optional
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