Sungrow SG2500U-MV, Системное руководство

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10.3.2 How to Realize Power Limitation .................................................... 68
10.4 Reactive Power Adjustment ............................................................. 69
10.5 L/HVRT ............................................................................................ 70
10.6 Temperature Derating ...................................................................... 71
10.7 MPPT ............................................................................................... 71
10.8 Intelligent Temperature-Control Technology .................................... 72
10.9 Insulation Monitoring Function......................................................... 72
10.9.1 Introduction ..................................................................................... 72
10.9.2 Simple Troubleshooting .................................................................. 72
10.10 GFDI Function ................................................................................. 73
10.11 Vs-U Curve ...................................................................................... 73
10.12 Protection Function .......................................................................... 73
10.12.1 DC over-voltage protection ........................................................... 73
10.12.2 AC over/under-voltage protection ................................................. 73
10.12.3 Frequency anomaly protection ...................................................... 73
10.12.4 Islanding protection ....................................................................... 73
10.12.5 Reverse polarity protection ........................................................... 74
10.12.6 Overload protection ....................................................................... 74
10.12.7 Ground protection ......................................................................... 74
10.12.8 Module over-temperature protection ............................................. 74
10.12.9 Internal over-temperature protection............................................. 74
10.13 Firefighting ....................................................................................... 74
10.13.1 General Introduction ..................................................................... 74
10.13.2 Smoke Detector ............................................................................ 74
11 Troubleshooting...................................................................... 76
11.1 Safety Instructions ........................................................................... 76
11.2 Fault Checking ................................................................................. 76
11.3 Fault and Troubleshooting on the LCD screen ................................ 77
11.4 LCD Display Alarm Information and Troubleshooting ..................... 81
11.5 Other Faults ..................................................................................... 83
12 Routine Maintenance .............................................................. 84
12.1 Safety Instructions ........................................................................... 84
12.1.1 Safety Instructions........................................................................... 84
12.1.2 Five Safety Rules ............................................................................ 85
12.2 Maintenance .................................................................................... 85
12.2.1 Introduction ..................................................................................... 85
12.2.2 Maintenance Interval ....................................................................... 85