Page 349 - 35_DS702_E_2014_Lightning_Protection_Guide
P. 349
gearbox
pitch
top box
generator
gearbox generator top box WTC r = 20 m
pitch WTC
230 V/400 V 230 V UPS communication 690 V generator
WTC
UPS
inverter
LVMDB
20 kV/690 V
transformer
Figure 9.16.4 Lightning and surge protection for a wind turbine
348 LIGHTNING PROTECTION GUIDE www.dehn-international.com
r = 20 m
230 V/400 V 230 V UPS communication 690 V generator
WTC
UPS
inverter
LVMDB
20 kV/690 V
transformer
