Sungrow SG3425UD-MV, Системное руководство

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10.7.2 High-voltage Mode ............................................................................72
10.8 MPPT ........................................................................................................73
10.9 Intelligent Temperature-Control Technology ..................................................74
10.10 Anti-PID Effect Function (Optional).............................................................74
10.10.1 Introduction to PID Effect .................................................................74
10.10.2 Anti-PID Function Setting .................................................................74
10.10.3 PID Repair ......................................................................................75
10.11 Insulation Monitoring Function....................................................................75
10.11.1 Introduction .....................................................................................75
10.11.2 Simple Troubleshooting....................................................................76
10.12 Emergency Stop Button functions ..............................................................76
10.13 Tripping Functions of the DC Main Switches ...............................................76
10.14 Protection Function ...................................................................................77
10.14.1 DC Over-voltage Protection..............................................................77
10.14.2 AC Over/under-voltage Protection ....................................................77
10.14.3 Frequency Anomaly Protection.........................................................77
10.14.4 Islanding Protection .........................................................................77
10.14.5 Overload Protection ........................................................................78
10.14.6 Ground Protection ...........................................................................78
10.14.7 Module Over-temperature Protection ................................................78
10.14.8 Internal Over-temperature Protection ................................................78
11 Troubleshooting
............................................................................................79
11.1 Safety Instructions ......................................................................................79
11.2 Checking Fault ...........................................................................................79
11.3 Fault and Troubleshooting on the Inverter .....................................................80
11.4 Fault and Troubleshooting on the MV Transformer ........................................90
11.5 Other Fault and Troubleshooting ..................................................................92
12 Routine Maintenance
..................................................................................93
12.1 Overview....................................................................................................93
12.2 Safety Instructions ......................................................................................93
12.2.1 General Safety Rules ........................................................................93
12.2.2 Five Safety Rules ..............................................................................94
12.3 Maintenance ..............................................................................................94
12.3.1 Introduction.......................................................................................94
12.3.2 Maintenance Interval .........................................................................94
12.4 Cleaning the MV Station..............................................................................99
12.4.1 Introduction.......................................................................................99