SMA SUNNY ISLAND 6.0H - Default Chapter; Table of Contents

Table of Contents
SMA Solar Technology AG
System Description 3SI44M-80H-13-MC-IA-en-10
Table of Contents
1 Information on this Document..................................................................................................... 4
1.1 Validity ............................................................................................................................................................. 4
1.2 Target Group ................................................................................................................................................... 4
1.3 Content and Structure of this Document......................................................................................................... 4
1.4 Levels of Warning Messages.......................................................................................................................... 4
1.5 Symbols in the Document................................................................................................................................ 5
1.6 Typographies in the Document....................................................................................................................... 5
1.7 Designation in the document .......................................................................................................................... 5
1.8 Additional Information..................................................................................................................................... 6
2 Safety ............................................................................................................................................ 7
2.1 Intended Use.................................................................................................................................................... 7
2.2 IMPORTANT SAFETY INSTRUCTIONS......................................................................................................... 8
2.3 Battery Safety Information............................................................................................................................... 11
3 Functions and Design................................................................................................................... 14
3.1 Design of a Multicluster-Box ........................................................................................................................... 14
3.2 Structures of a Multicluster System................................................................................................................. 15
3.2.1 Structures for Off-Grid Systems ....................................................................................................................... 15
3.2.2 Structure for Systems with Increased Self-Consumption and Battery-Backup Function................................ 17
3.3 Off-Grid System............................................................................................................................................... 17
3.3.1 Off-Grid System Functions............................................................................................................................... 17
3.3.2 Off-Grid System Requirements ........................................................................................................................ 18
3.3.3 Optional Devices and Functions ..................................................................................................................... 18
3.4 Multicluster System with Increased Self-Consumption and Battery-Backup Function.................................. 19
3.4.1 Principle of a System with Increased Self-Consumption and Battery-Backup Function................................ 19
3.4.2 Requirements of VDE Application Guide 2510-2.......................................................................................... 20
3.4.3 Requirements for Systems with Increased Self-Consumption and Battery-Backup Function........................ 20
4 Circuitry of Multicluster Systems ................................................................................................. 21
4.1 Connecting the Master in the Main Cluster................................................................................................... 21
4.2 Connecting Slave 1 in the Main Cluster ........................................................................................................ 23
4.3 Connecting Slave 2 in the Main Cluster ........................................................................................................ 25
4.4 Connecting the Sunny Island Inverters in Extension Clusters........................................................................ 26
5 Commissioning ............................................................................................................................. 27
5.1 Commissioning Procedure............................................................................................................................... 27
5.1.1 Commissioning Procedure for an Off-Grid System ........................................................................................ 27
5.1.2 Procedure when Commissioning a System with Increased Self-Consumption and Battery-Backup
Function............................................................................................................................................................. 28
5.2 Testing Communication in the Multicluster System........................................................................................ 29
5.3 Commissioning an Off-Grid System ............................................................................................................... 30
5.3.1 Commissioning the Multifunction Relays ........................................................................................................ 30
5.3.2 Testing the Load Shedding .............................................................................................................................. 30
5.4 Commissioning a System With Increased Self-Consumption and Battery-Backup Function ....................... 30
5.4.1 Adjusting the Configuration of the Sunny Island............................................................................................ 30
5.4.2 Adjusting the Configuration of the PV Inverters.............................................................................................. 31
5.4.3 Commissioning the System with Increased Self-Consumption and Battery-Backup Function...................... 31
5.4.4 Registering the Multicluster System in Sunny Portal....................................................................................... 32
6 Contact .......................................................................................................................................... 33