Sungrow MVS6400-LV User guide

MVS6400–LV/MVS8850–LV/MVS8960–LV
MV StationSystem
ManualMVS6400_8850_8960-LV-
SEN-Ver12-202212M-H-002652
System Manual
MV Station
MVS6400–LV/MVS8850–LV/MVS8960–LV
MVS6400_8850_8960-LV-SEN-Ver12-202212

I
Contents
1 About This Manual ...........................................................................................1
1.1 Validity...........................................................................................................1
1.2 Demonstration of the Model.............................................................................1
1.3 Target Group..................................................................................................1
1.4 How to Use This Manual .................................................................................2
1.5 Symbols Explanation ......................................................................................2
2 Safety Instructions ............................................................................................4
2.1 General Safety Rules......................................................................................4
2.2 Ground Fault Protection ..................................................................................5
2.3 Live Line Measurement...................................................................................5
2.4 Measuring Instrument .....................................................................................5
2.5 Voltage-free Operations ..................................................................................6
2.6 ESD Protection...............................................................................................6
2.7 Symbols on the Device Body ...........................................................................6
2.8 Safety Warning Signs......................................................................................7
2.9 Daily Operation and Maintenance ....................................................................7
2.10 Others .........................................................................................................8
2.10.1 Manual Storage...................................................................................8
2.10.2 Disposal of Waste ...............................................................................8
2.10.3 Manual Description..............................................................................8
3 Product Description ..........................................................................................9
3.1 System Overview ...........................................................................................9
3.2 External Design ...........................................................................................10
3.2.1 MV Station Views................................................................................10
3.2.2 Composition ....................................................................................... 11
3.2.3 Exterior Dimensions ............................................................................ 11
3.3 Internal Design.............................................................................................12
3.3.1 Internal Composition ...........................................................................12
3.3.2 Cable Entries......................................................................................12
3.3.3 Internal Devices ..................................................................................13
4 Identify and Store the MV Station ................................................................18

II
4.1 Identifying the MV Station..............................................................................18
4.2 Checking for Transport Damages...................................................................18
4.3 Storage........................................................................................................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...................................................................................................24
5.3.1 Selection of Installation Site .................................................................24
5.3.2 Recommended Foundation Construction Plan.......................................24
5.3.3 Securing the MV Station(optional) ........................................................25
5.4 Installation Verification ..................................................................................26
5.5 Clearance Requirement ................................................................................26
5.6 Removing Rain cover and Sealing Tapes .......................................................27
6 Electrical Installation ......................................................................................28
6.1 Safety Instructions........................................................................................28
6.1.1 Generals Rules...................................................................................28
6.1.2 Five Safety Rules................................................................................30
6.2 Circuit Diagram ............................................................................................30
6.3 Preparation before Cable Connections ...........................................................31
6.3.1 Installation Tools .................................................................................31
6.3.2 Opening the Door................................................................................32
6.3.3 Checking the Cables ...........................................................................32
6.3.4 During Connection ..............................................................................33
6.4 Cable Connection.........................................................................................33
6.4.1 Ground Connection .............................................................................33
6.4.2 LV Side Connection.............................................................................34
6.4.3 MV Side Connection............................................................................37
6.4.4 Communication Connection .................................................................37
6.4.5 Auxiliary Power Supply Cable Connection.............................................38
6.5 Checking after Electrical Connection..............................................................39
7 Power On the MV Station ..............................................................................40
7.1 Checking before Power on ............................................................................40
7.1.1 MV Station Container ..........................................................................40

III
7.1.2 MV Switchgear....................................................................................40
7.1.3 MV Transformer..................................................................................41
7.1.4 LV Cabinet .........................................................................................43
7.2 Power-on Steps............................................................................................43
8 Troubleshooting ..............................................................................................44
9 Routine Maintenance .....................................................................................46
9.1 Safety Instructions........................................................................................46
9.2 Maintenance ................................................................................................47
9.2.1 Introduction ........................................................................................47
9.2.2 Maintenance Interval ...........................................................................47
9.3 Checking and Cleaning the Filter ..................................................................49
9.3.1 Checking and Cleaning the Air Inlets ....................................................49
9.3.2 Checking and Cleaning Air inlets of the Heat Exchanger ........................50
9.4 Oil Drain ......................................................................................................51
9.5 Painting Make-up Measures..........................................................................53
9.6 Replace the Fuse of LV Cabinet.....................................................................56
10 Appendix .......................................................................................................58
10.1 Technical Parameters .................................................................................58
10.2 Tightening Torques .....................................................................................61
10.3 Contact Information ....................................................................................62