Vacon NX Active Front End - Page 44

4
vacon • 42 Active Front End (AFE)
Tel. +358 (0) 201 2121 • Fax +358 (0)201 212 205
Figure 21. 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