Sungrow SG2500U-MV, System Manual

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II
3.3 Overall Design of the MV Station .............................................................. 11
3.3.1 MV Station Views .............................................................................. 11
3.3.2 Mechanical Parameter ..................................................................... 13
3.3.3 Ventilation Design ............................................................................ 14
3.4 Interior Design of the MV Station .............................................................. 14
3.4.1 Internal Components ........................................................................ 14
3.4.2 Cable Entry Design .......................................................................... 15
3.4.3 Internal Devices of the MV Station ................................................... 16
3.4.4 Operations on the DC circuit breakers ............................................. 17
4 Identify and Store the MV Station ......................................... 18
4.1 Identifying the MV Station ......................................................................... 18
4.2 Checking for Transport Damages ............................................................. 18
4.3 Storage of the MV Station ......................................................................... 18
5 Mechanical Installation .......................................................... 20
5.1 Transport .................................................................................................. 20
5.2 Hoisting the MV Station ............................................................................ 21
5.2.1 Safety Precautions ........................................................................... 21
5.2.2 Hoisting ............................................................................................ 22
5.2.3 Fastening of Connectors .................................................................. 23
5.3 Foundation ................................................................................................ 23
5.3.1 Selection of Installation Site ............................................................. 23
5.3.2 Foundation Requirements ................................................................ 23
5.3.3 Recommended foundation construction plan ................................... 24
5.3.4 Other Precautions ............................................................................ 26
5.4 Removing Flashings and Cover Plates ................................................ 27
6 Electrical Installation ............................................................. 28
6.1 Safety Instructions .................................................................................... 28
6.1.1 Generals rules .................................................................................. 28
6.1.2 Five Safety Rules ............................................................................. 29
6.2 Parts for Cabling ....................................................................................... 30
6.2.1 Copper Wire Connection .................................................................. 30
6.2.2 Aluminum Wire Connection .............................................................. 31
6.3 Tightening Torques ................................................................................... 31
6.4 Preparation before Electrical Connections ............................................... 31
6.4.1 Installation Tools ............................................................................... 32
6.4.2 Opening the MV Station door ........................................................... 32
6.4.3 Removal of the Protective Grid ........................................................ 32