Deye 50kW 3-Phase High Voltage Hybrid Inverter

The Deye 50kW 3-phase high voltage hybrid inverter is a top-tier commercial and industrial energy management platform designed for large electrical systems where power density, efficiency, and scalability are critical. This inverter is engineered to operate continuously under high and sustained load conditions, making it suitable for demanding environments such as factories, warehouses, agricultural operations, shopping centres, office parks, and large estates.

Unlike low-voltage hybrid inverters that rely on high battery currents at 48V, the Deye 50kW high voltage inverter operates with lithium battery systems up to 800V. This significantly reduces current flow, improves efficiency, lowers cable losses, and enables the safe transfer of large amounts of power across the system. The result is a cleaner, more efficient, and more scalable energy storage solution for large installations.

Rather than acting as a simple inverter, the Deye 50kW hybrid inverter functions as the central control engine of the electrical system. It continuously manages solar PV generation, high-voltage battery storage, grid interaction, and generator input, making real-time decisions to maintain power stability, optimise energy usage, and protect connected equipment.

How the Deye 50kW Hybrid Inverter Controls Energy Flow

At its core, the Deye 50kW hybrid inverter continuously evaluates solar production, battery state of charge, grid availability, and real-time load demand across all three phases. Based on configured priorities, it determines whether energy should be consumed directly from solar, stored in batteries, discharged from storage, imported from the grid, or supplemented by a generator.

This intelligent operating model allows the system to adapt dynamically throughout the day, responding automatically to changes in load profiles, weather conditions, and grid availability without manual intervention.

Three-Phase Power Delivery of the Deye 50kW Inverter

The Deye 50kW inverter delivers true three-phase output at 230/400V and supports 100% unbalanced output. Each phase can independently deliver up to 50% of the inverter’s rated power, which is essential for real-world commercial and industrial installations where loads are rarely evenly distributed.

This capability makes the inverter ideal for systems running three-phase motors, pumps, compressors, refrigeration equipment, HVAC systems, and heavy machinery that require stable voltage and consistent phase balance.

High Voltage Battery System Design of the Deye 50kW Inverter

This inverter is designed exclusively for high-voltage lithium-ion battery systems and does not support 48V or other low-voltage battery banks. It operates within a battery voltage range of approximately 160V to 800V, allowing high power transfer with reduced electrical losses and improved thermal performance.

Direct communication with compatible battery management systems via CAN or RS485 enables controlled charging, discharging, protection coordination, and fault handling, which is essential for safe and reliable operation in large battery installations.

Solar PV Input and MPPT Operation on the Deye 50kW Hybrid Inverter

The Deye 50kW hybrid inverter includes integrated MPPT solar charge controllers, allowing direct connection of large high-voltage PV arrays without external MPPT devices. It supports PV input voltages up to 1000V DC and multiple MPPT trackers, enabling long string runs and flexible array layouts across large rooftop or ground-mounted installations.

Multiple MPPTs allow different PV arrays to operate independently, improving energy harvest when panels are installed on different orientations or experience partial shading.

Grid Interaction, Export Control, and Compliance

The inverter supports grid-connected operation with configurable export behaviour. It can be configured for full export, partial export, or zero-export operation using CT measurement or compatible metering systems, depending on utility or municipal requirements.

Integrated anti-islanding protection ensures safe disconnection during grid outages and controlled reconnection once grid conditions stabilise.

Generator Integration and Extended Backup Strategy

A dedicated generator input allows the Deye 50kW inverter to integrate seamlessly with diesel or petrol generators. The inverter can automatically start and stop the generator based on battery state of charge, load demand, or programmed schedules.

Generator power can be prioritised for supplying loads, charging batteries, or both simultaneously, allowing efficient fuel usage during extended outages or off-grid operation.

Backup Operation and Power Continuity

During grid failure, the Deye 50kW hybrid inverter transitions automatically to battery and solar operation. When sufficient energy is available, three-phase loads continue operating without manual intervention.

This makes the inverter suitable for uptime-critical environments where power interruptions can lead to operational downtime or equipment damage.

Thermal Performance and Long-Duration Operation

The inverter uses intelligent smart air cooling to manage internal temperatures under sustained high load conditions. This thermal design supports continuous operation in demanding environments while maintaining low noise levels and protecting internal components.

Technical Specifications of the Deye 50kW 3-Phase Hybrid HV Inverter

Electrical Output

• Rated AC output power: 50,000 W
• Maximum AC output power: 55,000 W
• Output voltage: 230 / 400 V
• Output frequency: 50 / 60 Hz
• Phase configuration: Three-phase

Battery System

• Battery type: Lithium-ion (high voltage)
• Battery voltage range: 160 – 800 V
• Maximum charging current: 50 A + 50 A
• Maximum discharging current: 50 A + 50 A
• BMS communication: CAN, RS485

Solar PV Input

• Maximum PV input power: 65,000 W
• Maximum PV voltage: 1000 V DC
• MPPT voltage range: 150 – 850 V DC
• Number of MPPT trackers: 4
• Strings per MPPT: 2 + 2 + 2 + 2

Efficiency

• Maximum inverter efficiency: 97.6%
• European efficiency: 97.0%
• MPPT efficiency: 99.9%

Physical and Environmental

• Installation type: Wall-mounted
• Cooling: Smart air cooling
• Protection rating: IP65
• Operating temperature range: -40°C to +60°C
• Weight: 75 kg
• Dimensions: 527 × 894 × 294 mm

Warranty

Manufacturer warranty: 5 years