Sungrow SG3125HV-31 PV Inverter Manuals

Manuals and User Guides for Sungrow SG3125HV-31 PV Inverter. We have 1 Sungrow SG3125HV-31 PV Inverter manual available for free PDF download: System Manual

Sungrow SG3125HV-31 System Manual (120 pages)

Brand: Sungrow | Category: Inverter | Size: 19.8 MB

Table of Contents
3
About this Manual
9
Validity
9
Content
9
Target Group
10
Symbols Explanation
10
How to Use this Manual
11
Terminology
11
Safety Instructions
13
Intended Usage
13
Important Safety Instructions
13
General Safety Rules
14
Manual Storage
14
PV Arrays Hazards
15
Ground Fault Protection
15
Live Line Measurement
15
Measuring Instrument
15
Volt-Free Operations
16
ESD Protection
16
LCD Parameter Setting
16
Sand and Moisture Protection
16
Symbols on the Device Body
16
Safety Warning Signs
17
Daily Operation and Maintenance
17
Disposal of Waste
17
Manual Description
18
Product Description
19
Overall Design of the Inverter
19
Inverter Views
19
Mechanical Parameter
20
Ventilation Design
21
Interior Design of the Inverter
21
Internal Components
21
Internal Devices of the Inverter
22
Operations on the DC and AC Side
23
Delivery
26
Scope of Delivery
26
Identifying the Inverter
27
Checking for Transport Damages
27
Storage of the Inverter
28
Mechanical Installation
29
Transport
29
Hoisting the Inverter
31
Safety Precautions
31
Hoisting
32
Fastening of Connectors
34
Foundation
34
Selection of Installation Site
34
Foundation Requirements
35
Recommended Foundation Construction Plan
35
Other Precautions
36
Removing the Sealing Tapes
37
Installing the Ventilation Cover(Optional)
37
Clearance Requirement
38
Electrical Installation
40
Safety Instructions
40
Generals Rules
40
Preparation before Electrical Connections
42
Installation Tools
42
Opening the Cable Entries
43
Checking the Cables
43
During Connection
44
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
49
Safety Notices
49
AC Connection Area on the Side
49
AC Connection Area at the Bottom
51
Communication Connection
53
Ground Connection
53
Finishing Electrical Connection
55
Commissioning
57
Safety Instructions
57
Requirements of Commissioning
58
Checking before Commissioning
58
Checking the Cable Connection
58
Checking the Inverter Switches
58
Checking PV Array
58
Checking Grid Voltage
59
Preparation before Starting
60
Starting the Device
60
LCD Parameter Setting
60
Completing Commissioning
60
Starting/Stopping
62
Starting
62
Inspection before Starting
62
Start Steps
62
Stopping
63
Normal Stop
63
Stop in Case of Fault
63
LCD Menu Operation
65
LCD Touchscreen
65
Default Screen
65
Initialization
65
Default Screen Introduction
65
Backlight and Screensaver
66
Overview of LCD Menu and Icon
66
Overview of Submenu and Icon
66
Layout of the Submenus
67
Entering Password
68
Language Setting
69
Conventional Way
69
Shortcut
69
Setting Date and Time
69
Checking Running Information
70
Checking History Information
70
Checking History Event
70
Checking History Data
70
Checking History Fault
71
Checking History Alarm
71
Checking Present Fault Information
71
Starting/Stopping
72
Loading Default
72
Checking Firmware Version
73
Parameters of LCD
73
Communication Parameters
73
Running Parameters
74
Protection Parameters
74
Main Functions
75
Operation Mode
75
Mode Change
75
Operation Mode Description
75
Active Power Limitation
77
Introduction to Active Power Limitation
77
How to Realize Power Limitation
77
Reactive Power Adjustment
78
Low Voltage Ride through (LVRT)
79
High Voltage Ride through (HVRT)
79
Mppt
80
Intelligent Temperature-Control Technology
81
Insulation Monitoring Function
81
Introduction
81
Simple Troubleshooting
81
Protection Function
81
DC Over-Voltage Protection
81
AC Over/Under-Voltage Protection
82
Frequency Anomaly Protection
82
Islanding Protection
82
Overload Protection
82
Ground Protection
82
Module Over-Temperature Protection
83
Internal Over-Temperature Protection
83
Troubleshooting
84
Safety Instructions
84
Checking Fault
84
Fault and Troubleshooting on the Inverter
85
Other Fault and Troubleshooting
96
Routine Maintenance
97
Safety Instructions
97
Maintenance
98
Introduction
98
Maintenance Interval
98
Cleaning the Inverter
102
Introduction
102
Cleaning Interval
102
Cleaning the Internal Dust
102
Cleaning the Foundation
103
Checking and Cleaning the Air Inlets/Outlets
103
Cleaning the Surface of the Inverter
104
Checking the Lock and Hinge
104
Checking the Sealing Strip
104
Painting Make-Up Measures
104
Replacing the Electrical Components
108
Replacing DC Fuses
108
Periodic Actions
111
Opening the Inverter Door
111
Closing the Inverter Door
112
Appendix
113
System Parameters
113
Tightening Torques
117
Exclusion of Liability
117
Contact Information
118

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