Velatia Ormazabal ormaset, Общее руководство по инструкции

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IG-049-EN version 02; 02/10/2017
3
General Instructions
ormaset
Kiosk-type prefabricated transformer substation
Table of contents
1. Description and main characteristics .......................4
2. Applicable standards .................................................5
3. Main components ......................................................6
3.1. Prefabricated monoblock concrete enclosure 6
3.2. Electrical equipment . . . . . . . . . . . . . . . . . . . . . . . . .7
3.2.1. Medium voltage switchgear . . . . . . . . . . . . . . . . . .8
3.2.2. Low voltage switchgear . . . . . . . . . . . . . . . . . . . . . .8
3.2.3. Distribution transformer . . . . . . . . . . . . . . . . . . . . .8
4. Normal service conditions .........................................9
5. Assigned ratings ......................................................10
5.1. Electrical characteristics . . . . . . . . . . . . . . . . . . . . .10
5.2. Mechanical characteristics . . . . . . . . . . . . . . . . . .10
6. Handling ...................................................................11
6.1. Handling ormaset. . . . . . . . . . . . . . . . . . . . . . . . . . .11
6.2. Handling the roof . . . . . . . . . . . . . . . . . . . . . . . . . . .11
7. Transport ..................................................................12
7.1. Land transport. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .12
7.2. Sea transport . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .12
8. Storage ......................................................................13
9. Installation ...............................................................14
9.1. Receiving the equipment . . . . . . . . . . . . . . . . . . .14
9.2. Location . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .14
9.3. Planning. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .14
9.4. Preparing the ground . . . . . . . . . . . . . . . . . . . . . . .15
9.4.1. Excavation drawings . . . . . . . . . . . . . . . . . . . . . . . .15
9.4.2. Safety recommendations. . . . . . . . . . . . . . . . . . . .15
9.4.3. Levelling process. . . . . . . . . . . . . . . . . . . . . . . . . . . .16
9.5. Access point for medium voltage and low
voltage cables . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .17
9.6. Earth connection . . . . . . . . . . . . . . . . . . . . . . . . . . .17
9.6.1. Protective earthing circuit (metallic parts). . . .17
9.6.2. Operational earthing circuit (neutral) . . . . . . . .18
9.6.3. Exterior earthing circuit . . . . . . . . . . . . . . . . . . . . .18
10. Operations sequence ...............................................19
10.1. Opening and closing the access doors . . . . . . .19
10.2. Connecting the generator set before zero
switching . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .20
10.3. Commissioning . . . . . . . . . . . . . . . . . . . . . . . . . . . . .21
11. Maintenance .............................................................22
11.1. Medium voltage switchgear . . . . . . . . . . . . . . . . .22
11.2. Replacing the switchgear . . . . . . . . . . . . . . . . . . .22
12. Accessories included in the supply .........................24
13. Environmental information ....................................25
13.1. Recyclability . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .25