Sungrow SG4400UD-MV PV Inverter Manuals

Manuals and User Guides for Sungrow SG4400UD-MV PV Inverter. We have 1 Sungrow SG4400UD-MV PV Inverter manual available for free PDF download: System Manual

Sungrow SG4400UD-MV System Manual (100 pages)

MV Grid-Connected Inverter

Brand: Sungrow | Category: Inverter | Size: 30.97 MB

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3
Table of Contents
5
About this Manual
9
Validity
9
Target Group
9
How to Use this Manual
9
Symbol Explanations
10
Safety Instructions
11
Unpacking and Inspection
12
Hoisting and Transportation
12
Electrical Connection
13
Operation
14
Operation and Maintenance
14
Disposal
16
Product Description
17
Product Introduction
17
Product Composition
17
Main Internal Equipment
19
Appearance of Inverter Unit
19
Internal Structure of Inverter Unit
20
Main Parts of Transformer
21
Main Parts of Power Distribution Cabinet
22
Symbol on Products
24
Transport and Storage
25
Precautions
25
Transportation Requirements
25
Storage Requirements
25
Mechanical Mounting
27
Safety Precautions
27
Inspection before Installation
28
Scope of Delivery
28
Product Inspection
29
Installation Environment Requirements
29
Installation Site
29
Foundation
29
Installation Spacing
30
Hoisting and Fixing
30
Preparation before Hoisting
30
Requirements for Hoist and Lifting Rope
31
During Hoisting
31
Fastening of Connectors
32
Fixing
33
Electrical Connection
35
Precautions
35
Wiring Overview
36
Preparation before Wiring
37
Installation Tools
37
Open the Product Door
38
Cables
39
Position of Cable Inlet
39
Ground Connection
40
Overview
41
Grounding Flat Steel
41
Grounding Cable
41
DC Input Connection
42
Overview
42
Installing Insulation Board before Connection (Optional)
44
Procedure
45
AC Side Connection
47
Inspection before Wiring
47
Procedure
48
Communication Connection
49
Overview
49
Procedure
49
Ethernet Communication
49
Check after Wiring
50
Inspection
50
Locking Cabinet Door
50
Powering up and Powering down
52
Safety Instructions
52
Powering up Operations
52
Removing Film on Product
52
Removing Pressure Relief Screw
53
Installing Fuse in AC SPD
53
Adjusting De-Energized Tap Changer
54
Opening Pressure Relief Valve
54
Removing Foam Part from Oil Thermometer
55
Draining Oil from Transformer
55
Inspection before Powering up
56
Inverter
56
PV Array
57
Checking Grid Voltage
57
Transformer
57
Powering up Steps
57
Powering down Operations
58
Planned Powering down
58
Unplanned (Emergency) Powering down
58
WEB Operation
60
Communications Diagram
60
Preparation before Login
61
Login (PC)
61
Login (Mobile Device)
61
Login Steps
61
Interface Introduction
62
Homepage
62
Viewing Fault Information
63
Viewing Alarm Information
63
Boot/Shutdown
63
Setting Initial Parameters
63
Setting Operation Parameters
63
Setting System Parameters
64
Setting Protection Parameters
64
Modifying Password
64
Logout
65
Troubleshooting
66
Inverter Troubleshooting
66
Viewing Fault/Alarm Information
66
Check Method
66
Other Faults
78
Routine Maintenance
80
Safety Instructions
80
Maintenance Period
82
Maintenance (Once Every Three Years)
82
Maintenance (Every Two Years)
83
Maintenance (Once a Year)
84
Maintenance (Every Half a Year to Once a Year)
85
Common Maintenance Items
86
Cleaning Higher Air Inlet and Outlet
86
Cleaning Lower Air Inlet and Outlet
87
Appearance Repair
88
Checking Door Locks and Hinges
90
Checking Sealing Strips
90
Replacing DC Side Fuse
90
Preparation before Replacing DC Side Fuse
90
Procedure
91
Replace the Inverter Unit
91
Appendix
94
Technical Parameters
94
Tightening Torques
97
Quality Assurance
98
Contact Information
98

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