Sungrow MVS6250 - Page 5

III
6 Electrical Installation .............................................................. 29
6.1 Safety Instructions ..................................................................................... 29
6.1.1 General Rules ................................................................................... 29
6.1.2 Five Safety Rules .............................................................................. 31
6.2 Circuit Diagram .......................................................................................... 31
6.3 Cable Connection ...................................................................................... 32
6.3.1 Ground Connection ........................................................................... 33
6.3.2 LV Side Connection .......................................................................... 34
6.3.3 MV Side Connection ......................................................................... 37
6.3.4 Communication Cable Connection ................................................... 37
6.3.5 Auxiliary Power Supply Cable Connection ....................................... 37
6.4 Checking after Electrical Connection ........................................................ 38
7 Checking before Power-On and Power- Off ............................ 40
7.1 MV Station Container ................................................................................ 40
7.2 MV Switchgear .......................................................................................... 40
7.3 MV Transformer ........................................................................................ 41
7.4 LV Cabinet ................................................................................................. 43
8 Troubleshooting ..................................................................... 44
9 Routine Maintenance ............................................................. 46
9.1 Safety Instructions ..................................................................................... 46
9.1.1 Safety Rules ...................................................................................... 47
9.2 Maintenance .............................................................................................. 47
9.2.1 Introduction ....................................................................................... 47
9.2.2 Maintenance Interval ......................................................................... 47
9.3 Maintenance Items .................................................................................... 48
10 Routine Maintenance ............................................................. 52