6.2kW 48V Hybrid On-Grid and Off-Grid Solar Inverter Charger with MPPT

1. Hybrid On-Grid and Off-Grid Operation

This 6.2 kW hybrid solar inverter charger combines grid-connected power conversion, off-grid battery operation, MPPT solar charging and AC battery charging in one integrated unit. It is designed for compatible 48 V battery systems and supports grid-connected, off-grid and hybrid operating modes.

The system can direct available photovoltaic energy to connected loads, battery charging or grid output according to the selected operating mode and system settings.

2. 6.2 kW Power Conversion

• 6.2 kW Rated Output: Provides 6200 W / 6200 VA rated power for compatible single-phase loads.
• 12.4 kW Surge Power: Supports temporary startup demand from compatible inductive loads within the stated surge limit.
• Pure Sine Wave Output: Supplies pure sine wave AC power during battery-mode operation.
• 94% Battery-Mode Efficiency: The supplier specifies up to 94% DC-to-AC conversion efficiency in battery mode.
• 98% Maximum Grid Conversion Efficiency: The supplier specifies up to 98% maximum DC-to-AC conversion efficiency during grid-connected operation.

3. High-Voltage MPPT Solar Input

• 6.2 kW Maximum PV Power: Supports a photovoltaic array with a stated maximum power of 6200 W.
• Single MPPT Tracker: Uses one MPPT tracker with a maximum input current of 27 A.
• 90-450 V DC MPPT Range: Supports compatible high-voltage PV strings within the specified operating range.
• 500 V DC Maximum PV Voltage: The array open-circuit voltage must remain below 500 V DC under all temperature and operating conditions.
• 360 V DC Rated PV Voltage: Provides the stated reference DC voltage for PV system configuration.
• 90 V DC Startup Voltage: Defines the stated minimum startup threshold.
• 120 V DC Initial Feed-In Voltage: Defines the stated initial grid-feed voltage threshold.
• 120 A Maximum Solar-Charging Current: Supports high-current charging of a compatible 48 V battery system.

4. Grid-Connected AC Output

• 220/230/240 V AC Rated Output: Supports compatible single-phase grid-voltage configurations.
• 195-253 V AC Output Range: Provides the stated grid-connected voltage operating range.
• 26.2 A Rated Output Current: Defines the rated AC output current for the 6.2 kW version.
• Power Factor Above 0.99: Supports efficient grid-connected power delivery under the stated operating conditions.
• 49-51 Hz Grid Frequency Range: Provides the catalog-specified grid frequency window.
• Grid Connection Requirements: Utility approval, anti-islanding protection, grid-code compliance and destination-market certification must be confirmed before grid-connected installation.

5. AC Input and Battery Charging

• Configurable AC Input Range: Supports a wide 90-280 V AC input range or a narrower 170-280 V AC range, depending on the selected operating setting.
• 50/60 Hz AC Input: Supports compatible 50 Hz and 60 Hz AC sources.
• 30 A Maximum AC Input Current: Defines the maximum AC input current for the 6.2 kW version.
• 80 A Maximum AC Charging Current: Supports charging of a compatible 48 V battery bank from an approved AC source.
• Utility or Generator Input: Can accept a compatible utility supply or generator source when voltage, frequency and waveform remain within the configured limits.
• Automatic Restart: Supports automatic restart after AC power recovery under applicable operating conditions.

6. 48 V Battery System

• 48 V DC Battery Platform: Designed for a compatible 48 V battery bank.
• Configurable Charging Priority: Allows solar and utility charging priorities to be configured through the system controls.
• Intelligent Battery Charging: Manages charging according to the selected battery and operating settings.
• Cold-Start Function: Supports system startup from the connected battery without an active AC input source.
• Battery Configuration: Battery chemistry, capacity, voltage limits, charging current and communication requirements must be confirmed before installation.

7. Monitoring and Protection

• LCD System Control: Supports configuration of input-voltage ranges, charging current and operating priorities.
• RS232 Communication: Provides a wired communication interface for compatible monitoring equipment.
• Optional Wireless Communication: Wi-Fi and GPRS functions are subject to the selected configuration.
• Overload Protection: Protects the system against excessive connected loads.
• Overtemperature Protection: Responds to excessive internal operating temperature.
• Short-Circuit Protection: Protects the inverter output against compatible short-circuit conditions.

8. B2B System Applications

The inverter charger is suitable for solar-system integrators, residential energy-storage suppliers, backup-power contractors and distributed-energy equipment distributors. Typical applications include residential solar systems, home backup power, remote properties and light commercial sites requiring combined solar, battery and utility operation.

PV string design, battery configuration, grid requirements, AC input conditions, cable sizing, external protective devices and destination-market certification must be confirmed by qualified system designers and installers.