User Manuals: Sungrow SG4950HV-MV DC-AC Inverter

Manuals and User Guides for Sungrow SG4950HV-MV DC-AC Inverter. We have 1 Sungrow SG4950HV-MV DC-AC Inverter manual available for free PDF download: System Manual

Sungrow SG4950HV-MV System Manual (120 pages)

Brand: Sungrow | Category: Inverter | Size: 16.88 MB

Table of Contents
3
About this Manual
9
Validity
9
Content
9
Target Group
9
Symbols Explanation
10
How to Use this Manual
11
Terminology
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 Station
19
MV Station Views
19
Mechanical Parameter
20
Ventilation Design
21
Internal Design of the MV Station
21
Internal Components
21
Cable Entry Design
22
Internal Devices of the MV Station
22
Operations on the DC and AC Side
23
Delivery
26
Scope of Delivery
26
Identifying the MV Station
26
Checking for Transport Damages
27
Storage of the MV Station
28
Mechanical Installation
29
Transport
29
Hoisting the MV Station
30
Safety Precautions
30
Hoisting
30
Fastening of Connectors
32
Foundation
33
Selection of Installation Site
33
Foundation Requirements
33
Recommended Foundation Construction Method
34
Installating Oil-Water Separator(Optional)
36
Electrical Installation
37
Safety Instructions
37
Generals Rules
37
Five Safety Rules
39
Preparation before Electrical Connections
39
Installation Tools
39
Opening the MV Station Door
40
Checking the Cables
40
During Connection
40
Circuit Diagram and Cable Connection
41
Circuit Diagram
41
Cable Specifications
42
Ground Connection
43
AC Connection
45
Safety Instructions
45
AC Cable Connection
45
DC Connection
47
Checking before Connection
47
DC Cable Connection
48
Communication Connection
51
Communication Connection on the Inverter
51
Communication Connection on the Intelligent PMD(Optional)
51
External Equipment Connection
52
Finishing Electrical Connection
53
Commissioning
54
Safety Instructions
54
Requirements of Commissioning
55
Checking before Commissioning
55
Checking the Cable Connection
55
Checking the Module
55
Checking PV Array
56
Checking Grid Voltage
56
Preparation before Starting
57
Starting the Device
57
LCD Parameter Setting
58
Completing Commissioning
58
Starting/Stopping
59
Starting
59
Inspection before Starting
59
Start Steps
59
Stopping
60
Normal Stop
60
Stop in Case of Fault
60
LCD Menu Operation
62
LCD Touch Screen
62
Default Screen
62
Initialization
62
Default Screen Introduction
62
Backlight and Screensaver
63
Overview of LCD Menu and Icon
63
Overview of Submenu and Icon
63
Layout of the Submenus
64
Entering Password
65
Setting Language
66
Conventional Way
66
Shortcut
66
Setting Date and Time
66
Energy Output Deviation Adjustment
67
Checking Running Information
67
Checking History Information
68
Checking History Event
68
Checking History Data
68
Checking History Fault
68
Checking History Alarm
69
Checking Present Fault Information
69
Starting/Stopping
70
Load Default
70
Checking Firmware Version
71
Parameters of LCD
71
Communication Parameters
71
Running Parameters
72
Protection Parameter
72
Main Functions
73
Operation Mode
73
Mode Change
73
Operation Mode Description
73
Complete Control Strategy(Optional)
75
Active Power Limitation
75
Introduction to Active Power Limitation
75
How to Realize Power Limitation
76
Reactive Power Adjustment
76
Low Voltage Ride through (LVRT)
77
High Voltage Ride through (HVRT)
78
Mppt
79
Intelligent Temperature-Control Technology
79
Anti-PID Effect Function (Optional)
79
Introduction to PID Effect
79
Anti-PID Function Setting
80
PID Repair
80
Insulation Monitoring Function
81
Introduction
81
Simple Troubleshooting
81
Emergency Stop Button Functions
82
Tripping Functions of the DC Main Switches
82
Protection Function
82
DC Over-Voltage Protection
82
AC Over/Under-Voltage Protection
82
Frequency Anomaly Protection
82
Islanding Protection
83
Overload Protection
83
Ground Protection
83
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
Fault and Troubleshooting on the MV Transformer
95
Other Fault and Troubleshooting
97
Routine Maintenance
98
Safety Instructions
98
General Safety Rules
98
Five Safety Rules
99
Maintenance
99
Introduction
99
Maintenance Interval
99
Cleaning the MV Station
104
Introduction
104
Cleaning Interval
104
Cleaning the Internal Dust
105
Cleaning the Foundation
105
Checking and Cleaning the Filter
105
Cleaning the Surface of the MV Station
106
Checking the Lock and Hinge
106
Checking the Sealing Strip
106
Painting Make-Up Measures
106
Replacement of the Electrical Components
110
Safety Instructions
110
Replace DC Fuses
110
Appendix
114
System Parameter
114
Tightening Torques
117
Exclusion of Liability
117
Contact Information
118

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