KEB COMBIVERT F5 - Page 134

134
Transistor Tests
Testing the IGBTs, output circuit measurement
E, G, and H Housings
Measurement To Value Measurement To Value
+ Terminal U 0.3 - 0.4 - Terminal U 0.3 - 0.4
+ Terminal V 0.3 - 0.4 - Terminal V 0.3 - 0.4
+ Terminal W 0.3 - 0.4 - Terminal W 0.3 - 0.4
R, U, and W Housings
Measurement To Value Measurement To Value
+ Terminal U 0.2 - 0.4 - Terminal U 0.2 - 0.4
+ Terminal V 0.2 - 0.4 - Terminal V 0.2 - 0.4
+ Terminal W 0.2 - 0.4 - Terminal W 0.2 - 0.4
Testing the braking circuit
Positive Side
Negative lead of meter to positive DC terminal.
Positive lead of meter to PB terminal.
E Housing
Measurement To Value Measurement To Value
+ Terminal PB 0.4 - Terminal PB Open
R, U, and W Housings
Measurement To Value Measurement To Value
+ Terminal PB 0.3 - Terminal PB 0.3
G Housing
Measurement To Value Measurement To Value
+ Terminal PB 0.4 - Terminal PB 1. 5
H Housing
Measurement To Value Measurement To Value
+ Terminal PB 0.3 - Terminal PB 0.3
Negative Side
Positive lead of meter to negative DC terminal.
Negative lead of meter to U/V/W terminals.
Positive Side
Negative lead of meter to positive DC terminal.
Positive lead of meter to U/V/W terminals.
Negative Side
Positive lead of meter to negative DC terminal.
Negative lead of meter to PB terminal.
Multimeter
+
+
+
-
Multimeter
+
- - -
Multimeter
+-
Multimeter
+ -