Test Program - Bosch WPG 012.00 Instrucciones De Manejo

4.1

Test program

Test
Power diodes
– Fitted and connected –
Positive diodes
Negative diodes
Exciter diodes
– Fitted and connected –
Resistance
0,5Ω of stator winding
2Ω
Resistance
of rotor winding
20Ω
Individual diodes
Test 1 :
Forward direction
1mA Test 2 :
Reverse direction
10
Connection
B+ – M1
B+ – M2
B+ – M3
D– – M1
D– – M2
D– – M3
D+ – M1
D+ – M2
D+ – M3
M1 – M2
M2 – M3
M3 – M1
A B
OK
M2
M1
C
Defective
M3
496 104