Sungrow SG3125HV-MV-30 Manuals

Manuals and User Guides for Sungrow SG3125HV-MV-30. We have 1 Sungrow SG3125HV-MV-30 manual available for free PDF download: User Manual

Sungrow SG3125HV-MV-30 User Manual (125 pages)

MV Grid-connected PV Inverter

Brand: Sungrow | Category: Inverter | Size: 33 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
Safety Instructions
12
Intended Usage
12
Important Safety Instructions
12
General Safety Rules
12
Manual Storage
13
PV Arrays Hazards
13
Ground Fault Protection
14
Live Line Measurement
14
Measuring Instrument
14
Volt-Free Operations
14
Danger from Electric Arc
15
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
18
Manual Description
18
Product Description
19
Brief Introduction
19
External Design of the MV Gridconnected PV Inverter
19
MV Grid-Connected PV Inverter Views
19
Mechanical Parameter
21
Ventilation Design
22
Internal Design of the MV Gridconnected PV Inverter
23
Internal Components
23
Cable Entry Design
23
Internal Devices of the Inverter Unit
24
Operations on the DC and AC Side
26
Delivery
28
Scope of Delivery
28
Identifying the MV Grid-Connected PV Inverter
29
Checking for Transport Damages
29
Storage Requirements
30
Storage Environment
30
Protection During Storage
30
Routine Inspection for Long-Term Storage
31
Mechanical Installation
32
Transport
32
Hoisting the MV Gridconnected PV Inverter
33
Safety Precautions
33
Hoisting
34
Fastening of Connectors
35
Foundation
36
Selection of Installation Site
36
Foundation Requirements
36
Recommended Foundation Construction Method
37
Fixing the MV Gridconnected PV Inverter
37
Removing Sealing Tapes and Support Beams and Fixing Brackets
38
Electrical Installation
40
Safety Instructions
40
Generals Rules
40
Five Safety Rules
42
Preparation before Electrical Connections
42
Installation Tools
42
Checking the Cables
43
During Connection
43
Circuit Diagram and Cable Connection
44
Circuit Diagram
44
Cable Specifications
45
Ground Connection
45
AC Connection
47
Safety Instructions
47
AC Cable Connection
47
DC Connection
49
Checking before Connection
49
Installing PC Board before Connection (Optional)
49
DC Cable Connection
50
Communication Connection on the Inverter
54
External Equipment Connection
54
Finishing Electrical Connection
55
Commissioning
56
Safety Instructions
56
Requirements of Commissioning
57
Checking before Commissioning
57
Checking the Cable Connection
57
Checking the Module
57
Checking PV Array
58
Checking Grid Voltage
58
Preparation before Starting
59
LCD Parameter Setting
59
Completing Commissioning
59
Starting/Stopping
61
Starting
61
Inspection before Starting
61
Start Steps
61
Stopping
62
Normal Stop
62
Stop in Case of Fault
63
LCD Menu Operation
64
LCD Screen
64
Default Screen
64
Initialization
64
Default Screen Introduction
64
Backlight and Screensaver
65
Overview of LCD Menu and Icon
65
Overview of Submenu and Icon
65
Layout of the Submenus
66
Entering Password
66
Setting Language
68
Conventional Way
68
Shortcut
68
Setting Date and Time
68
Energy Output Deviation Adjustment
69
Checking Running Information
69
Checking History Information
70
Checking History Event
70
Checking History Data
70
Checking History Fault
70
Checking History Alarm
71
Checking Present Fault Information
71
Starting/Stopping
72
Load Default
72
Checking Firmware Version
73
Parameters of LCD
73
Communication Parameters
73
Running Parameters
74
Protection Parameter
74
Main Functions
75
Operation Mode
75
Mode Change
75
Operation Mode Description
75
Complete Control Strategy(Optional)
77
Active Power Limitation
77
Introduction to Active Power Limitation
77
How to Realize Power Limitation
78
Reactive Power Adjustment
78
Low Voltage Ride through (LVRT)
79
High Voltage Ride through (HVRT)
80
Mppt
81
Intelligent Temperature-Control Technology
81
Anti-PID Effect Function (Optional)
81
Introduction to PID Effect
81
Anti-PID Function Setting
82
PID Repair
82
Insulation Monitoring Function
83
Introduction
83
Simple Troubleshooting
83
Emergency Stop Button Functions
83
Tripping Functions of the DC Main Switches
84
Protection Function
84
DC Over-Voltage Protection
84
AC Over/Under-Voltage Protection
84
Frequency Anomaly Protection
84
Islanding Protection
85
Overload Protection
85
Ground Protection
85
Module Over-Temperature Protection
85
Internal Over-Temperature Protection
85
Troubleshooting
86
Safety Instructions
86
Checking Fault
86
Fault and Troubleshooting on the Inverter
87
Fault and Troubleshooting on the MV Transformer
98
Other Fault and Troubleshooting
100
Routine Maintenance
101
Overview
101
Safety Instructions
101
General Safety Rules
101
Five Safety Rules
102
Maintenance
102
Introduction
102
Maintenance Interval
103
Cleaning the MV Gridconnected PV Inverter
108
Introduction
108
Cleaning Interval
108
Cleaning the Internal Dust
108
Cleaning the Foundation
108
Checking and Cleaning the Filter
109
Filter Screen at Air Inlet
109
Bottom Air Outlet
110
Cleaning the Surface of the MV Gridconnected PV Inverter
110
Checking the Lock and Hinge
110
Checking the Sealing Strip
110
Painting Make-Up Measures
110
Replacement of the Electrical Components
114
Safety Instructions
114
Replacing DC Fuses
114
Periodic Actions
117
Opening the Inverter Unit Door
117
Closing the Inverter Door
118
Appendix
120
System Parameter
120
Tightening Torques
123
Exclusion of Liability
123
Contact Information
124

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