Sungrow SG3125HV-20 Manuals

Sungrow SG3125HV-20 Manuals

Manuals and User Guides for Sungrow SG3125HV-20. We have 1 Sungrow SG3125HV-20 manual available for free PDF download: System Manual

Sungrow SG3125HV-20 System Manual

Sungrow SG3125HV-20 System Manual (138 pages)

Turnkey Station

Brand: Sungrow | Category: Inverter | Size: 12.86 MB

Table of Contents

Table of Contents
3
1 About this Manual

9
- Validity
  9
- Content
  9
- Target Group
  9
- Symbols Explanation
  10
- How to Use this Manual
  11
- Terminology
  11
2 Safety Instructions

12
- Intended Usage
  12
- Important Safety Instructions
  12
  - General Safety Rules
    13
  - Manual Storage
    13
  - PV Arrays Hazards
    14
  - Ground Fault Protection
    14
  - Live Line Measurement
    14
  - Measuring Instrument
    14
  - Volt-Free Operations
    15
  - ESD Protection
    15
  - LCD Parameter Setting
    15
  - Sand and Moisture Protection
    15
  - Symbols on the Device Body
    15
  - Safety Warning Signs
    16
  - Daily Operation and Maintenance
    16
  - Disposal of Waste
    16
  - Manual Description
    17
3 Product Description

18
- Overall Design of the Inverter
  18
  - Inverter Views
    18
  - Mechanical Parameter
    19
  - Ventilation Design
    20
- Interior Design of the Inverter
  20
  - Internal Components
    20
  - Cable Entry Design
    21
  - Internal Devices of the Inverter
    23
  - Operations on the DC and AC Side
    24
4 Delivery

27
- Scope of Delivery
  27
- Identifying the Inverter
  28
- Checking for Transport Damages
  28
- Storage of the Inverter
  29
5 Mechanical Installation

30
- Transport
  30
- Hoisting the Inverter
  31
  - Safety Precautions
    31
  - Hoisting
    32
  - Fastening of Connectors
    33
- Foundation
  34
  - Selection of Installation Site
    34
  - Foundation Requirements
    34
  - Recommended Foundation Construction Plan
    35
  - Fixing the Inverter
    36
  - Other Precautions
    36
- Clearance Requirement
  37
- Removing Sealing Tapes
  37
6 Electrical Installation

38
- Safety Instructions
  38
  - Generals Rules
    38
- Preparation before Electrical Connections
  40
  - Installation Tools
    40
  - Cable Crimping
    41
  - Parts for Cabling
    41
  - Opening the Inverter Door
    43
  - Opening the Cable Entries
    43
  - Checking the Cables
    43
  - During Connection
    43
- Circuit Diagram and Cable Connection
  44
  - Circuit Diagram
    44
  - Cable Specifications
    44
- DC Connection
  45
  - Checking before Connection
    45
  - DC Cable Connection
    45
- AC Connection
  47
  - Safety Notices
    47
  - AC Cable Connection
    48
- Ground Connection
  51
- Communication Connection
  53
- External Power Supply Connection
  54
- Finishing Electrical Connection
  55
7 Disconnecting and Reconnecting the Syetem

56
8 Commissioning

61
- Safety Instructions
  61
- Requirements of Commissioning
  62
- Checking before Commissioning
  62
  - Checking the Cable Connection
    62
  - Checking the Inverter Switches
    62
  - Checking PV Array
    62
  - Checking Grid Voltage
    63
- Preparation before Starting
  64
- Starting the Device
  64
- LCD Parameter Setting
  64
- Completing Commissioning
  64
9 Starting/Stopping

66
- Starting
  66
  - Inspection before Starting
    66
  - Start Steps
    66
- Stopping
  67
  - Normal Stop
    67
  - Stop in Case of Fault
    67
10 LCD Menu Operation

69
- LCD Touchscreen
  69
- Default Screen
  69
  - Initialization
    69
  - Default Screen Introduction
    69
  - Backlight and Screensaver
    70
- Overview of LCD Menu and Icon
  70
  - Overview of Submenu and Icon
    70
  - Layout of the Submenus
    71
- Entering Password
  72
- Language Setting
  73
  - Conventional Way
    73
  - Shortcut
    73
- Setting Date and Time
  73
- Checking Running Information
  74
- Checking History Information
  74
  - Checking History Event
    74
  - Checking History Data
    75
  - Checking History Fault
    75
  - Checking History Alarm
    75
- Checking Present Fault Information
  75
- Starting/Stopping
  76
- Loading Default
  76
- Checking Firmware Version
  77
- Parameters of LCD
  77
  - Communication Parameters
    77
  - Running Parameters
    78
  - Protection Parameters
    88
11 Main Functions

97
- Operation Mode
  97
  - Mode Change
    97
  - Operation Mode Description
    97
- Active Power Limitation
  99
  - Introduction to Active Power Limitation
    99
  - How to Realize Power Limitation
    99
- Reactive Power Adjustment
  100
- Low Voltage Ride through (LVRT)
  101
- High Voltage Ride through (HVRT)
  101
- Temperature Derating
  102
- Mppt
  102
- Intelligent Temperature-Control Technology
  103
- Insulation Monitoring Function
  103
  - Introduction
    103
  - Simple Troubleshooting
    103
- Protection Function
  104
  - DC Over-Voltage Protection
    104
  - AC Over/Under-Voltage Protection
    104
  - Frequency Anomaly Protection
    104
  - Islanding Protection
    104
  - Overload Protection
    105
  - Ground Protection
    105
  - Module Over-Temperature Protection
    105
  - Internal Over-Temperature Protection
    105
12 Troubleshooting

106
- Safety Instructions
  106
- Checking Fault
  106
- Fault and Troubleshooting on the Inverter
  107
- Other Fault and Troubleshooting
  118
13 Routine Maintenance

119
- Safety Instructions
  119
- Maintenance
  120
  - Introduction
    120
  - Maintenance Interval
    120
- Cleaning the Inverter
  124
  - Introduction
    124
  - Cleaning Interval
    124
  - Cleaning the Internal Dust
    124
  - Cleaning the Foundation
    125
  - Checking and Cleaning the Filter
    125
  - Cleaning the Surface of the Inverter
    126
  - Checking the Lock and Hinge
    126
  - Checking the Sealing Strip
    126
- Painting Make-Up Measures
  126
- Replacing the Electrical Components
  130
  - Safety Instructions
    130
  - Replacing DC Fuses
    130
14 Appendix

134
- System Parameters
  134
- Tightening Torques
  135
- Exclusion of Liability
  136
- Contact Information
  136

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