ABB UniGear ZS1 User Manual

6.4 Procedure for setting-up the doors 61
6.5 Installation of the bushing 65
6.6 Fixing of the panels 67
6.7 Installation of the busbars 68
6.8 Installation of the top-mounted boxes 79
6.9 Pressure relief ducts 87
6.10 Cable connection 89
6.11 Earthing the switchgear 96
6.12 Installation of interconnecting bundles 96
6.13 Final erection work 96
6.14 Note on M&D 96
7. Operation of the switchgear 97
7.1 Switching operations 97
7.2 Test procedure 110
7.3 Service trucks 113
8. Commissioning 116
8.1 Preparatory work 116
8.2 Measurements and tests 116
9. Maintenance 117
9.1 Maintenance strategies 117
9.2 Preventive maintenance 117
9.3 Inspection 118
9.4 Servicing 122
9.5 Repairs 125
9.6 Risk-Based maintenance 126
9.7 Spare parts, auxillary materials and lubricants 126
9.8 Operating accessories 128
10. Product quality and environmental
protection 129

ABB UniGear ZS1 Specifications

General

Rated Voltage	up to 24 kV
Rated Current	up to 4000 A
Frequency	50/60 Hz
Rated Short-Circuit Breaking Current	up to 50 kA
Rated Peak Withstand Current	up to 125 kA
Insulation	Air-insulated
Type of Switchgear	Metal-clad
Rated Short-time Withstand Current	up to 50 kA for 3s
Internal Arc Classification	IAC AFLR
Protection Degree	IP4X
Busbar System	Single and double busbar
Type Tested Assembly	IEC 62271-200
Dimensions	Varies depending on configuration
Weight	Varies depending on configuration