Parker AC30 - Page 20

3-4 Product Overview
AC30 series Variable Speed Inverter
L1
L2
L3
PE
EMC
Filter
MOVs
Input
rectifier
LINKS customer accessible
Filter
Earth
+
DB
X6
Inverter
stage
M1/U
M2/V
M3/ W
I
u
I
W
DC+
DB+
DC-
PE
DC+
DC-
SMPS
DC+
DC-
Main cooling
Fan (s) (24V)
PWM
ISOLATION
DB control
stack
temperature
POWER
CONTROL
Switched fan supply
DB
EEPROM
Precharge
Control
Control Module
LINK – customer accessible
serviceable
&
testable
Unswitched fan supply
Internal cooling
fans (24V)
These elements are omitted from the DC-fed drive variants
Block Diagram for Frames G, H, J