Fronius IG Plus 100 V-1, Operating Instructions Manual

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General ................................................................................................................................................. 60
Solar Module Ground at Negative Pole ................................................................................................ 60
Solar Module Ground at Negative Pole for Fronius IG Plus ................................................................. 60
Safety.................................................................................................................................................... 61
Setting inverters for grounded solar modules ....................................................................................... 61
Solar Module Ground: Inserting Fuse or "100 kohm Grounding Kit" Option......................................... 61
Opening Fronius IG Plus for Service/Maintenance............................................................................... 62
Solar Module Ground at Positive Pole: Connecting Solar Module Strings ................................................ 63
General ................................................................................................................................................. 63
Wire Cross Section of Solar Module Strings......................................................................................... 63
Solar module ground at positive pole: Connecting solar module strings .............................................. 63
Selecting String Fuses .......................................................................................................................... 66
Inserting String Fuses ........................................................................................................................... 66
Criteria for the Proper Selection of String Fuses ....................................................................................... 68
General ................................................................................................................................................. 68
Criteria for the Proper Selection of String Fuses .................................................................................. 68
Effects of Using Underrated Fuses ....................................................................................................... 68
Fuse Recommendations ....................................................................................................................... 68
Application Example ............................................................................................................................. 68
Fuses .................................................................................................................................................... 69
Solar Module Ground at Positive Pole: Connecting Solar Module Strings with a Cable Cross Section > 16
mm² ............................................................................................................................................................
70
General ................................................................................................................................................. 70
Additional components required ........................................................................................................... 70
Solar module ground at positive pole: Connecting solar module strings with a cable cross section > 16
mm².......................................................................................................................................................
70
Solar Module Ground at Positive Pole for Fronius IG Plus ........................................................................ 75
General ................................................................................................................................................. 75
Solar Module Ground at Positive Pole .................................................................................................. 75
Solar Module Ground at Positive Pole for Fronius IG Plus ................................................................... 75
Safety.................................................................................................................................................... 76
Setting inverters for grounded solar modules ....................................................................................... 76
Solar Module Ground: Inserting Fuse or "100 kohm Grounding Kit" Option......................................... 76
Opening Fronius IG Plus for Service/Maintenance............................................................................... 77
Closing Fronius IG Plus ............................................................................................................................. 78
Closing Fronius IG Plus ........................................................................................................................ 78
Inserting Option Cards ............................................................................................................................... 79
Suitable Option Cards........................................................................................................................... 79
Safety.................................................................................................................................................... 79
Inserting option cards into the Fronius IG Plus ..................................................................................... 79
Closing Fronius IG Plus ........................................................................................................................ 80
Data Communication and Solar Net .......................................................................................................... 81
Solar Net and Data Interface ................................................................................................................ 81
Example ................................................................................................................................................ 81
Commissioning .......................................................................................................................................... 83
Factory Configuration............................................................................................................................ 83
Start-up operation ................................................................................................................................. 83
Setting Inverters for Available Solar Module Ground............................................................................ 83
Operation 87
Product Description Fronius IG Plus .......................................................................................................... 89
Controls and Indicators ......................................................................................................................... 89
Display .................................................................................................................................................. 89
Operating Status LED ........................................................................................................................... 91
Startup Phase and Grid Feed-in Mode ...................................................................................................... 92
Startup phase........................................................................................................................................ 92