The provided source material appears to be excerpts from a datasheet for the GoodWe MS G3 Series of inverters. These inverters are designed for residential use and offer a range of features that make them suitable for a variety of rooftop solar applications.

• Single-Phase Inverters: The MS G3 Series inverters are single-phase, making them well-suited for residential settings where single-phase power is standard.
• Power Output Range: The datasheet covers models with power outputs ranging from 5kW to 10kW, catering to various residential energy needs.
• Three MPPTs: Each inverter in this series boasts three Maximum Power Point Trackers (MPPTs). This allows for greater flexibility in designing the solar array, as it enables the connection of panels in multiple strings with potentially different orientations or shading conditions. The use of three MPPTs helps to optimize energy harvest even in situations where the solar panels might not receive uniform sunlight throughout the day.
• High DC Input Current per MPPT: With support for up to 20A of DC input current per MPPT, these inverters are compatible with high-power solar modules, allowing for efficient energy conversion even from high-capacity panels.
• Low Startup Voltage: The inverters have an exceptionally low startup voltage of 50V, enabling them to start generating electricity earlier in the morning and later in the evening, or even in cloudy conditions, when compared to inverters with higher startup voltage requirements.
• PID Recovery Function: The datasheet highlights the inclusion of a Potential Induced Degradation (PID) recovery function. PID is a phenomenon that can occur in solar panels, leading to a reduction in their power output over time. The PID recovery function helps to mitigate this effect, improving the long-term performance and efficiency of the solar modules.
• Safety Features: The MS G3 Series inverters prioritize safety with features like an optional Arc-Fault Circuit Interrupter (AFCI) to detect and prevent dangerous electrical arcs, and a Type II Surge Protection Device (SPD) on both the DC and AC sides to safeguard against voltage surges caused by lightning or grid events.

• Smart Control and Monitoring: The inverters offer smart load control capabilities through dry contacts, enabling them to manage energy consumption based on factors like electricity pricing or grid demand. Users can monitor their energy consumption patterns with 24-hour load consumption monitoring, providing insights into their energy usage.
• Durability and Reliability: Designed with an IP66 ingress protection rating, the inverters are well-protected against dust and water intrusion, ensuring reliable operation even in challenging environmental conditions.
• Quiet Operation: The inverters utilize a fanless cooling system, eliminating noise generated by a cooling fan and making them suitable for installations where noise levels need to be minimized.
• User-Friendliness: The inverters can be easily monitored and controlled through a user-friendly interface that includes LED indicators and an optional LCD screen. Connectivity options such as Wi-Fi, RS485, or LAN (optional) allow for remote monitoring and control through the GoodWe app.

Overall, the GoodWe MS G3 Series inverters offer a compelling package for residential solar energy systems. Their robust design, advanced features, and focus on safety and efficiency make them a suitable choice for homeowners seeking reliable and optimized solar energy solutions.

Specifications of the GoodWe MS G3 Series Inverters

The sources provide a range of technical specifications for the GoodWe MS G3 Series inverters, covering aspects like input and output characteristics, efficiency, protection features, and physical attributes. Below is a comprehensive breakdown of these specifications:

Input Specifications:

• Maximum Input Voltage (V): 600V - This is the highest voltage that can be safely applied to the inverter's input from the solar panel array.
• MPPT Operating Voltage Range (V): 40V to 560V - This range indicates the voltage window within which the inverter's Maximum Power Point Tracking (MPPT) system can effectively track the maximum power point of the solar array, ensuring optimal energy harvesting.
• Startup Voltage (V): 50V - This is the minimum voltage required at the inverter's input to start the power conversion process. The low startup voltage allows for earlier energy generation in the day and in less-than-ideal sunlight conditions.
• Nominal Input Voltage (V): 360V - This is the voltage at which the inverter is designed to operate most efficiently.
• Maximum Input Current per MPPT (A): 20A - This is the maximum current that each individual MPPT input can handle.
• Maximum Short Circuit Current per MPPT (A): 25A - This is the maximum current that can flow in the event of a short circuit, and the inverter is designed to safely handle this.
• Number of MPP Trackers: 3 - This indicates that each inverter in this series has three independent MPPT units, allowing for greater flexibility in designing the solar array by accommodating multiple panel strings with different orientations or shading patterns.
• Number of Strings per MPPT: 1 - Each MPPT input is designed to handle one string of solar panels.

Output Specifications:

• Nominal Output Power (W): 5000, 6000, 7000, 8500, 10000 - This specification denotes the rated power output levels available for different models in the MS G3 Series.
• Nominal Output Apparent Power (VA): 5000, 6000, 7000, 8500, 10000 - Apparent power represents the total power in the circuit, including both active power (used to do work) and reactive power (used to maintain the electromagnetic field).
• Maximum AC Active Power (W): 5500, 6600, 7700, 9350, 10000 - This refers to the maximum real power (power that performs work) that the inverter can deliver to the grid.
• Maximum AC Apparent Power (VA): 5500, 6600, 7700, 9350, 10000 - This is the maximum apparent power (combination of real and reactive power) that the inverter can output.
• Nominal Output Voltage (V): 220 / 230 / 240 - These are the standard grid voltages that the inverter is designed to operate with, providing flexibility for different regions.
• Output Voltage Range (V): 160 ~ 270 (according to local standard) - This is the permissible range within which the inverter's output voltage can fluctuate to maintain synchronization with the grid.
• Nominal AC Grid Frequency (Hz): 50 / 60 - The inverter is compatible with both 50Hz and 60Hz grid frequencies commonly found in different parts of the world.
• AC Grid Frequency Range (Hz): 45 ~ 55 / 55 ~ 65 - This range represents the acceptable limits for grid frequency fluctuations within which the inverter can still operate.
• Maximum Output Current (A): 24.0, 28.7, 33.5, 40.7, 43.5, 45.5 - This is the maximum current that the inverter can deliver on the AC output side.
• Power Factor: ~1 (Adjustable from 0.8 leading to 0.8 lagging) - Power factor indicates the efficiency of power utilization. A power factor of 1 is ideal, and this inverter allows for adjustment within a range to optimize grid interaction.
• Maximum Total Harmonic Distortion: <3% - Harmonic distortion refers to the presence of unwanted frequencies in the output current or voltage, which can reduce power quality. This inverter maintains low harmonic distortion, ensuring cleaner power output.

Efficiency and Performance:

• Maximum Efficiency: 97.7% - 97.9% - This represents the highest efficiency achieved by the inverter in converting DC power from the solar panels into AC power for the grid.
• European Efficiency: 97.1% - 97.3% - This efficiency rating is specific to the European standard testing conditions, providing a standardized measure of performance.

Protection Features:

• PV String Current Monitoring: Continuously monitors the current flowing from each string of solar panels to detect any abnormalities.
• PV Insulation Resistance Detection: Checks for insulation problems between the solar panels and the ground to prevent potential ground faults.
• Residual Current Monitoring: Detects small leakage currents, enhancing safety by tripping the system if a ground fault is detected.
• PV Reverse Polarity Protection: Protects the inverter from damage in case the positive and negative polarities of the DC input are reversed.
• Anti-islanding Protection: Ensures that the inverter shuts down automatically if the grid connection is lost to prevent it from feeding power into a de-energized grid, which could be dangerous.
• AC Overcurrent Protection: Protects the inverter and the connected circuits from damage due to excessive current on the AC side.
• AC Short Circuit Protection: Automatically disconnects the inverter from the grid in the event of a short circuit on the AC output.
• AC Overvoltage Protection: Safeguards the inverter and connected equipment from damage caused by voltage surges on the AC side.
• DC Switch: Provides a means to safely disconnect the DC input from the solar array.
• DC Surge Protection: Type III (Type II Optional) Protects the inverter from voltage surges coming from the DC side, such as those caused by lightning strikes near the solar array.
• AC Surge Protection: Type III (Type II Optional) Provides protection against voltage surges on the AC side, which can originate from the grid or lightning strikes.
• AFCI (Arc-Fault Circuit Interrupter): Optional - Provides enhanced safety by detecting and interrupting potentially dangerous electrical arcs that can occur in faulty wiring, helping to prevent fires.
• Rapid Shutdown: Optional - Enables rapid shutdown of the inverter's DC input for safety purposes, complying with regulations that require quick shutdown in certain situations.
• Remote Shutdown: Optional - Allows for remote shutdown of the inverter, providing a convenient way to de-energize the system when needed.
• PID Recovery: Optional - Helps to mitigate Potential Induced Degradation in solar panels, improving their long-term performance by applying a small voltage to the panels at night.

General Data:

• Operating Temperature Range (°C): -25 ~ +60 - This is the range of ambient temperatures within which the inverter is designed to operate reliably.
• Relative Humidity: 0 ~ 100% - The inverter can operate in a wide range of humidity levels.
• Maximum Operating Altitude (m): 4000 - This indicates the maximum altitude above sea level at which the inverter can function correctly.
• Cooling Method: Natural Convection - The inverter relies on natural convection for cooling, eliminating noise from cooling fans.
• User Interface: LED, LCD (Optional), WLAN + APP - Offers multiple ways to monitor and control the inverter, including LED indicators, an optional LCD screen, and remote access through Wi-Fi and the GoodWe app.
• Communication: WiFi, RS485 or LAN (Optional) - Provides various communication options for monitoring and control, including Wi-Fi, RS485 for serial communication, and an optional LAN connection.
• Communication Protocols: Modbus-RTU (SunSpec Compliant) - Utilizes the Modbus-RTU communication protocol, which is commonly used for industrial automation and is SunSpec compliant, ensuring interoperability with other SunSpec-compatible devices.
• Weight (kg): 19.0 - Specifies the weight of the inverter.
• Dimensions (W × H × D mm): 441 × 507 × 210 - Provides the physical dimensions of the inverter for installation planning.
• Noise Emission (dB): <30 - The inverter operates with very low noise emission, making it suitable for noise-sensitive environments.
• Topology: Non-isolated - Indicates that the inverter has a transformerless architecture, which can contribute to higher efficiency.
• Self-consumption at Night (W): <1 - Specifies the very low power consumption of the inverter when it is not generating power at night.
• Ingress Protection Rating: IP66 - The IP66 rating means the inverter enclosure provides a high level of protection against dust and water ingress, making it suitable for outdoor installation.
• DC Connector: MC4 (2.5 ~ 4mm2) - Specifies the use of industry-standard MC4 connectors for the DC input from the solar panels.
• AC Connector: Plug and play connector (Max. 16mm2) - Uses a plug-and-play connector for the AC output, simplifying the installation process.