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General| Model | SG30KU |
|---|---|
| Number of MPPTs | 2 |
| Rated AC Power | 30 kW |
| Max. AC Power | 33 kW |
| Total Harmonic Distortion | < 3% |
| Protection Degree | IP65 |
| Rated AC Voltage | 3 / N / PE, 220 / 380 V, 230 / 400 V |
| AC Voltage Range | 310 V - 480 V |
| Rated Grid Frequency | 50/60 Hz |
| Power Factor Adjustment Range | 0.8 leading to 0.8 lagging |
| DC Connection Type | MC4 |
| AC Connection Type | Terminal block |
| Operating Temperature Range | -25 °C - +60 °C |
| AC Nominal Voltage | 3 / N / PE, 220 / 380 V, 230 / 400 V |
Covers the manual's aim, related documents, target audience, and how to use it.
Explains DANGER, WARNING, CAUTION, and NOTICE symbols for safety.
Explains symbols on the inverter for safe operation and maintenance.
Crucial safety guidance for installation, operation, and maintenance.
Emphasizes work by qualified personnel and general warnings.
Covers safety during installation, ventilation, and electrical connections.
Safety during operation, preventing burns, and service work precautions.
Guidelines for servicing, ESD, and country settings.
Explanation of the Arc Fault Detection function and its requirements.
Describes the inverter's purpose, application, and intended usage.
Details the external appearance and components of the inverter.
Provides physical dimensions and describes the LCD display panel.
Explains LCD panel descriptions, LED status, and the DC switch function.
Technical overview and explanation of the inverter's working principle.
Lists and explains the inverter's functions and protection features.
Explains derating for PV overload, power limits, and over-temperature.
Describes power derating due to grid under-voltage conditions.
Provides a flowchart for the inverter installation process.
Details each step of the installation flow with chapter references.
Steps for unpacking and inspecting the inverter unit upon delivery.
Details available inverter versions and wiring box configurations.
How to identify the inverter using its nameplate and icons.
Lists all items included in the inverter's delivery package.
Guidelines for storing the inverter unit under suitable conditions.
Criteria for choosing an optimal and safe installation location for the inverter.
Covers suitable environments, temperature, humidity, and convection space.
Covers cabinet, children, living area restrictions and moving instructions.
Describes inverter mounting methods and fastener specifications.
Step-by-step guide for mounting the inverter on a concrete wall.
Step-by-step guide for mounting the inverter on a metal frame.
Continues metal frame installation with hardware details.
Step-by-step guide for installing the inverter on the floor.
Instructions for horizontally mounting the inverter.
Specifies installation spacing and how to order brackets.
General guidelines and critical warnings for electrical connections.
Details locations and types of conduit entries on the inverter.
Describes combiner units and lists their components.
Illustrates internal layouts for different combiner unit versions.
Procedures and requirements for connecting the inverter to the AC grid.
Details grid connection steps, safety warnings, and AC cable sizing.
Specifies AC cable selection and Wye/Delta grid wiring.
Procedures and safety precautions for connecting the inverter to PV arrays.
Explains PV input configuration modes (independent/parallel).
Details independent and parallel PV configuration modes.
Covers PV connection steps and DC cable requirements.
Procedures for connecting DC cables and safety warnings.
Overview of grounding the inverter and its components.
Details on the second protective earth terminals and their connection.
Overview of inverter communication via RS485 and related devices.
Explains communication setups for single and multiple inverters.
Step-by-step guide for establishing RS485 bus connection.
Step-by-step guide for establishing RJ45 network cable connection.
Further details on RJ45 connection procedures and wiring standards.
Information on dry contacts and the optional RS485-NET card.
Checklist of items to inspect before starting the inverter.
Step-by-step guide for initial startup and configuration.
Covers country code, grid code, and LVRT function selection.
Final parameter confirmation and observation of startup status.
Procedures for safely switching off and disconnecting the inverter.
Step-by-step instructions for dismantling the inverter unit.
User responsibility for proper disposal and environmental compliance.
General guidance for troubleshooting common inverter issues.
How to troubleshoot issues based on LED indicators and LCD screen status.
Troubleshooting for AFD self-tests and DC arc faults.
Troubleshooting for grid voltage, frequency, and islanding faults.
Troubleshooting for DC component, PV faults, and voltage fluctuations.
Troubleshooting for various faults including DC imbalance, temperature, and AFD.
Troubleshooting for reverse polarity and abnormal output current.
General maintenance procedures and routine checks for the inverter.
Covers routine checks and instructions for fan maintenance.
Detailed fan maintenance and procedures for replacing fuses.
Instructions for cleaning air components and contacting Sungrow Service.
Explains the functions of the inverter's navigation buttons.
Illustrates the hierarchical structure of the inverter's menu system.
Describes the main display screen and inverter states (Run, Standby, Fault).
Explains LCD icons and how to adjust display contrast.
How to access and view detailed running information on the LCD.
How to view running and fault history records.
How to start and stop the inverter using the LCD interface.
How to access parameter settings using a password.
Setting system parameters like time and energy deviation.
Loading defaults and viewing firmware version.
How to configure various running parameters of the inverter.
How to configure reactive power regulation modes.
How to save or restore Power/Quality set points.
How to configure protective parameters based on country and grid codes.
Explanation of single-stage protective parameter settings.
Explanation of multi-stage protective parameter settings.
How to configure communication parameters like address.
Setting advanced parameters for PV strings and arcing faults.
Configuring PV string abnormal condition detection.
Configuring AFD settings, including self-test.
Provides detailed technical specifications for the inverters.
Technical data related to inverter's DC input and AC output.
Lists protection features and system performance data.
Details mechanical specifications and certifications.
Parameters for grid over/under-voltage and frequency protection.
Power-Quality curve illustrating inverter capabilities.
Explanation of automatic power reduction under adverse conditions.
Graph showing power derating based on ambient temperature.
Graph showing power derating based on input voltage.
Disclaimer regarding product use and manufacturer liability.
Information about Sungrow and contact details for inquiries.
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