Vacon NXA series - Page 50

4
vacon • 48 Active Front End (AFE)
Local contacts: http://drives.danfoss.com/danfoss-drives/local-contacts/
Figure 19. Active Front End units parallel connection with one common pre-charging circuit
11165.emf
PE
+LCL-U1
+AFE-U1
NXA xxxx x
DC+
DC-
+LCL-U2
+AFE-U2
NXA xxxx x
Main Circuit
Double Insulated
Double Insulated