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
10 SI4548_6048-US-TB_en-13 Technical description
13 Battery Management. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 106
13.1 Battery Temperature . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 107
13.2 Start Options . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 107
13.3 State of Charge (SOC) and State of Health (SOH) . . . . . . . . . . . . 107
13.4 Charge Control . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 109
13.4.1 Boost Charge . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 111
13.4.2 Full Charge . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 111
13.4.3 Equalization Charge . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 112
13.4.4 Manual Equalization Charge. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 112
13.4.5 Silent Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 113
13.5 Battery Preservation Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 113
13.6 Battery Diagnosis. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 115
13.7 Battery Lead Resistance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 115
14 Connecting External Sources. . . . . . . . . . . . . . . . . . . . . . . . . . 116
14.1 Generator . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 116
14.1.1 Parallel Connection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 116
14.1.2 Generator Start Options . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 118
14.1.3 Generator Operation. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 120
14.1.4 Manual Generator Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . 121
14.1.5 Automatic Generator Operation . . . . . . . . . . . . . . . . . . . . . . . . . . 122
14.1.6 Limits and Power Control . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 125
14.1.7 Run Times . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 126
14.1.8 Operation Together with PV Inverters and Wind Power Inverters . 127
14.1.9 Stopping the Generator . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 128
14.1.10 Stopping the Sunny Island . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 128
14.1.11 Disturbances . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 129
14.2 Grid . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 129
14.2.1 Limits of the Voltage Range and Frequency Range . . . . . . . . . . . . 130
14.2.2 Starting the Sunny Island . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 130
14.2.3 Operation in the Event of Grid Failure in a Grid-Tie Backup
Configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 130
14.2.4 Backup Operation and Anti-Islanding . . . . . . . . . . . . . . . . . . . . . . 130