ABB ACS5000, Руководство пользователя, Страница: 4 / 186

2.6 Possible residual risks 34
2.7 Important note - main circuit breaker 35
2.7.1 Safety and protection requirements 36
2.7.3 Maintenance recommendation 36
3. Power electronics and cabinet features 37
3.1 Main features of the drive 37
3.2 Frame sizes 40
3.3 Phase converter unit (PCU) 41
3.3.1 Primary phase converter unit (1700 mm and 2100 mm) 41
3.3.2 Secondary phase converter unit (1700 mm and 2100
mm)
46
3.4 Control unit (COU) 47
3.4.1 Main components 48
3.4.1.1 AMC circuit board 49
3.5 Transformer and motor cable terminals 54
3.5.1 Transformer cable terminals 54
3.5.2 Motor cable terminals 54
3.6 Water cooling unit (WCU) 56
3.7 EXU – Excitation unit (optional) 57
3.8 Door interlocking system 59
3.9 Grounding switches 60
3.9.1 Locking bars 61
3.10 Grounding studs 62
3.10.1 Grounding set 62
3.10.2 Output grounding studs in COU 63
3.10.3 Input grounding studs in a PCU 64
4. Transportation, storage and disposal 65
4.1 Safety 65