SI4548-US-10 Manual
Table Of Contents
- 1 Information on this Manual
- 2 Sunny Island 4548-US/6048-US
- 3 Safety Precautions
- 4 Assembly
- 5 Opening and Closing
- 6 Electrical Connection
- 7 Control Elements
- 8 Initial Start-Up
- 9 Switching On and Off
- 10 Operation
- 11 Archiving Data on an SD Card
- 12 Additional Functions
- 12.1 Load Shedding
- 12.2 Sleep Mode
- 12.3 Time-Controlled Operation
- 12.4 Overload and Short-Circuit Behavior
- 12.5 Mixed Operation with Sunny Island inverters of Different Power
- 12.6 Device Faults and Autostart
- 12.7 Automatic Frequency Synchronization
- 12.8 Time-Controlled Standby
- 12.9 Behavior in the Event of a Failure in a Three-Phase System
- 13 Battery Management
- 14 Connecting External Sources
- 14.1 Generator
- 14.1.1 Parallel Connection
- 14.1.2 Generator Start Options
- 14.1.3 Generator Operation
- 14.1.4 Manual Generator Operation
- 14.1.5 Automatic Generator Operation
- 14.1.6 Limits and Power Control
- 14.1.7 Run Times
- 14.1.8 Operation Together with PV Inverters and Wind Power Inverters
- 14.1.9 Stopping the Generator
- 14.1.10 Stopping the Sunny Island
- 14.1.11 Disturbances
- 14.2 Grid
- 14.2.1 Limits of the Voltage Range and Frequency Range
- 14.2.2 Starting the Sunny Island
- 14.2.3 Operation in the Event of Grid Failure in a Grid-Tie Backup Configuration
- 14.2.4 Backup Operation and Anti-Islanding
- 14.2.5 Grid Reconnection
- 14.2.6 Grid Operation
- 14.2.7 Grid Failure
- 14.2.8 Disturbances
- 14.2.9 Limits and Power Control
- 14.2.10 Operation Together with PV Inverters and Wind Power Inverters
- 14.3 Generator and Grid
- 14.1 Generator
- 15 Relays
- 16 Multicluster Operation
- 16.1 Communication between the Sunny Island inverters
- 16.2 Initial Start-Up of the Multicluster System
- 16.3 Switching a Multicluster System On and Off
- 16.4 Generator Operation
- 16.5 Behavior with Different States of Charge
- 16.6 Testing the Multicluster Communication
- 16.7 Automatic Frequency Synchronization
- 16.8 Updating the Firmware
- 16.9 Error Handling in the Multicluster System
- 16.10 Grid Operation
- 16.11 Generator Emergency Operation
- 17 PV Inverters
- 18 Maintenance and Care
- 19 Parameter Lists
- 20 Troubleshooting
- 21 Accessories
- 22 Technical Data
- 23 Glossary
- 24 Contact
Table of Contents SMA America, LLC
8 SI4548_6048-US-TB_en-13 Technical description
6.3 AC Connection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 45
6.3.1 Cable Protection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 45
6.3.2 AC1 (Loads/Sunny Boys) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 46
6.3.3 AC2 (Generator/Grid) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 48
6.4 Additional Connections . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 50
6.4.1 Battery Temperature Sensor. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 50
6.4.2 Battery Current Sensor. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 52
6.4.3 Communication for Multi-Device Connection. . . . . . . . . . . . . . . . . . 54
6.4.4 Multifunction Relay 1 and 2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 55
6.4.5 BatVtgOut Voltage Supply. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 58
6.4.6 DigIn Digital Input . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 59
6.5 Interface for External Communication . . . . . . . . . . . . . . . . . . . . . . . . 60
6.5.1 Connection of the Interface for External Communication. . . . . . . . . 60
7 Control Elements. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 64
7.1 Display Messages . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 65
7.2 DC Circuit Breaker. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 65
7.3 Buttons . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 66
7.4 Meaning of the Light-Emitting Diodes (LED's). . . . . . . . . . . . . . . . . . . 66
7.5 SD Card. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 66
8 Initial Start-Up. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 67
8.1 Requirements . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 67
8.2 Starting the Quick Configuration Guide (QCG) . . . . . . . . . . . . . . . . 67
8.3 Commissioning the Battery Current Sensor . . . . . . . . . . . . . . . . . . . . 71
9 Switching On and Off . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 73
9.1 Switching On. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 73
9.2 Stopping the Sunny Island (Standby) . . . . . . . . . . . . . . . . . . . . . . . . 74
9.3 Switching Off. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 75
9.4 Disconnecting the Device from Voltage Sources . . . . . . . . . . . . . . . . 75
9.5 Reactivating the Device Following Automatic Shutdown . . . . . . . . . . 75