ABB
Chapter 2 - Checking IGCTs and Diodes
ACS 6000 Maintenance Manual
3BHS202077 ZAB E01 Rev. C
2-5 (6)
Figure 2-4
Extracting the Phase Module
6
Check the diode using the multimeter in diode verification mode and
suitable probes.
Expected result of the measurement:
If uncertain, verify the result by checking another diode of the same phase
module or of another phase module.
Table 2-1
Voltage Measurement
Diode
Voltage between
Anode/Cathode
Voltage between
Cathode/Anode
VR1, VR4, VC1, VC2
~ 0.2.....0.3 V
out of range (diode is blocking)
VR2, VR3, VN1, VN2
~ 0.2.....0.3 V
~ 2.2.....2.3 V
Содержание ACS 6000
Страница 6: ...ABB 4 4 3BHS202077 ZAB E01 Rev C ACS 6000 Maintenance Manual...
Страница 14: ...Chapter 2 Checking IGCTs and Diodes ABB 2 6 6 3BHS202077 ZAB E01 Rev C ACS 6000 Maintenance Manual...
Страница 20: ...Chapter 3 Changing Diodes and Thyristors in LSU ABB 3 6 6 3BHS202077 ZAB E01 Rev C ACS 6000 Maintenance Manual...
Страница 30: ...Chapter 4 Changing 3 5 MVA Phase Modules ABB 4 10 10 3BHS202077 ZAB E01 Rev C ACS 6000 Maintenance Manual...
Страница 68: ...Chapter 9 Changing Thyristors in EXU ABB 9 8 8 3BHS202077 ZAB E01 Rev C ACS 6000 Maintenance Manual...
Страница 80: ...Chapter 11 Changing IGCTs in DIU ABB 11 6 6 3BHS202077 ZAB E01 Rev C ACS 6000 Maintenance Manual...
Страница 104: ...Chapter 14 Tightening Torques and Threaded Connections ABB 14 4 4 3BHS202077 ZAB E01 Rev C ACS 6000 Maintenance Manual...