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SMA SUNNY ISLAND 8.0H - Information on this Document; Validity; Target Group; Symbols

SMA SUNNY ISLAND 8.0H
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SMA Solar Technology AG Table of Contents
Installation Manual SI80H-60H-OffGrid-IA-en-11 7
7.23 Changing the Automatic Frequency Synchronisation . . . . . . . 114
7.24 Functional Test . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 115
7.24.1 Testing Communication Interfaces. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 115
7.24.2 Starting the Off-Grid System . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 116
7.24.3 Testing the Battery Current Sensor . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 116
7.24.4 Testing the Generator . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 117
7.24.5 Testing Load Shedding . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 118
7.24.6 Testing the Frequency Shift Power Control . . . . . . . . . . . . . . . . . . . . . . . . . 119
7.25 Charging the Battery. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 119
7.26 Completing Commissioning . . . . . . . . . . . . . . . . . . . . . . . . . . 120
8 Decommissioning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 121
8.1 Disconnecting the Off-Grid Inverter from Voltage Sources . . .121
8.2 Disassembling the Off-Grid Inverter . . . . . . . . . . . . . . . . . . . . 121
8.3 Packing the Off-Grid Inverter . . . . . . . . . . . . . . . . . . . . . . . . . 123
8.4 Disposal of the Off-Grid Inverter. . . . . . . . . . . . . . . . . . . . . . . 123
9 Battery Management. . . . . . . . . . . . . . . . . . . . . . . . . . . . 124
9.1 State of the Battery . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 124
9.1.1 Available Battery Capacity . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 124
9.1.2 Current State of Charge . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 124
9.1.3 Battery Temperature . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 124
9.2 Charge Control. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 125
9.2.1 Charging Phases . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 125
9.2.2 Charging Processes. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 127
9.2.3 Automatic Temperature Compensation. . . . . . . . . . . . . . . . . . . . . . . . . . . . 128
10 External Energy Sources in the Off-Grid System. . . . . . 129
10.1 Generator as an External Energy Source . . . . . . . . . . . . . . . . 129
10.2 Electricity Grid as an External Energy Source. . . . . . . . . . . . . 129
10.3 Generator and Electricity Grid as External Energy Sources . .129

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