Medium voltage product
UniGear 500R
Installation, operation and maintenance instruction manual
1. Your safety first - at all times! .................................... 1
2. Summary ................................................................. 2
2.1 Introduction ........................................................ 2
2.2 General .............................................................. 2
2.3 Standards and specifications ................................ 2
2.4 Operating condition ............................................. 3
3. Technical data .......................................................... 4
3.1 Electrical data ..................................................... 4
3.2 Resistance to internal arc faults ............................ 4
3.3. Dimensions and weights ...................................... 5
4. Panel design and equipment .................................... 13
4.1 Switchgear construction features ........................ 13
4.2 Internal arc clasification ..................................... 13
4.3 Switchgear typical compartments ........................ 14
4.4 Main components .............................................. 16
4.5 Interlocks/locks ................................................. 20
4.6 Optional applications ......................................... 21
5. Dispatch and storage .............................................. 22
5.1 Packing and transport ........................................ 22
5.2 Control on receipt.............................................. 22
5.3 Storage ............................................................ 23
5.4 Handling ........................................................... 24
6. Assembly of the switchgear at site ............................ 26
6.1 General ............................................................ 26
6.2 Foundations ...................................................... 26
6.3 Assembly of the switchgear panels ...................... 38
6.4 Installation of the busbars .................................. 41
6.5 Releasing the gas overpressure .......................... 42
6.6 Cable connection .............................................. 44
6.7 Earthing circuit ................................................. 46
6.8 Final erection work ............................................ 46
7. Operation of the switchgear ..................................... 47
7.1 Circuit-breaker operation ................................... 47
7.2 Three-position disconnector operation ................. 48
7.3 Front panel of incoming/feeder unit ..................... 49
7.4 Front panel of Bus-section unit ........................... 59
7.5 Access to voltage transformers, fuses or links ...... 61
8. Commissioning ....................................................... 63
8.1 Preliminary operations ....................................... 63
8.2 Measurements and tests ..................................... 63
9. Maintenance ........................................................... 64
9.1 General ............................................................ 64
9.2 Inspection ......................................................... 64
9.3 Servicing .......................................................... 65
9.4 Repairs ............................................................ 68
9.5 Accessories and spare parts ............................... 68
10. Product quality and environmental protection ........... 69
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