Hitachi RAK-18PSPA - Page 63

Fig. 7-1 System power module circuit (U
+
is ON, V
-
is ON)
7. Intelligent power module circuit (IPM circuit)
Fig. 7-1 shows peripheral circuits of intelligent power module (IPM). In the diagram, U
+
,V
+
and W
+
are called the
"upper arm", U
-
, V
-
and W
-
, the "lower arm".
TERMINAL BOARD
C023
C022
C021
C024
R660
R008
C032
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