Sunsynk 50kW 3-Phase Hybrid High-Voltage Inverter

The Sunsynk 50kW 3-phase hybrid high-voltage inverter is a commercial and industrial energy management platform designed for large electrical systems where power stability, scalability, and intelligent energy control are essential. This inverter is engineered for continuous operation under sustained high-load conditions and is intended for installations that demand precise coordination between solar PV generation, high-voltage battery storage, grid supply, and generator input.

Unlike residential hybrid inverters that are designed for intermittent household loads, the Sunsynk 50kW hybrid inverter is built to operate as the central control system of a large electrical installation. It does not merely convert power; it actively decides how energy is produced, stored, consumed, and distributed across a three-phase network in real time.

Sunsynk 50kW Hybrid Inverter System Role and Operating Concept

At its core, the Sunsynk 50kW inverter continuously monitors solar PV output, battery state of charge, grid availability, generator status, and real-time load demand across all three phases. Based on user-defined priorities, the inverter determines whether energy should be drawn from solar, stored in batteries, discharged from storage, imported from the grid, or supplied by a generator.

This operating model allows the system to be optimized for energy cost reduction, backup resilience, grid compliance, or a balanced combination of all three, without manual intervention.

50kW Sunsynk Three-Phase Power Delivery and Load Handling

The Sunsynk 50kW hybrid inverter delivers true three-phase output at 230/400 V and is designed to support demanding commercial and industrial loads. Each phase is actively managed to maintain voltage stability and frequency under fluctuating load conditions.

The inverter supports short-term overload capability, allowing it to handle motor starts, compressor inrush currents, and other inductive loads commonly found in factories, cold storage facilities, agricultural operations, and commercial buildings.

This makes the inverter suitable for systems running three-phase motors, pumps, HVAC systems, refrigeration equipment, production machinery, and mixed commercial loads.

High-Voltage Battery Architecture of the Sunsynk 50kW Inverter

This inverter is designed exclusively for high-voltage lithium-ion battery systems and does not support 48 V or low-voltage batteries. The supported battery voltage range extends from approximately 160 V to 800 V, allowing large amounts of energy to be transferred at lower current levels.

Operating at high voltage improves overall system efficiency, reduces cable losses, lowers thermal stress, and enables scalable battery installations suitable for commercial energy storage applications. Battery communication via CAN and RS485 allows the inverter to coordinate charging, discharging, protection logic, and fault handling directly with the battery management system.

Sunsynk 50kW Solar PV Input Capability and MPPT Design

The Sunsynk 50kW hybrid inverter supports high-voltage solar PV arrays with a maximum PV input voltage of 1000 V DC. Multiple integrated MPPT trackers allow direct connection of large PV strings without the need for external charge controllers.

With four MPPT channels and support for multiple strings per MPPT, the inverter can manage complex PV layouts where arrays face different orientations or experience partial shading. This ensures maximum energy harvest across large rooftop, carport, or ground-mounted solar installations.

The maximum usable PV input power of approximately 65 kW allows the inverter to support oversized PV arrays for improved energy production during peak solar conditions.

Grid Interaction, Export Control, and Generator Integration

The Sunsynk 50kW inverter supports full grid-connected operation with configurable export control. Using CT coils or compatible energy meters, the system can be configured for full export, limited export, or zero-export operation to meet municipal or utility requirements.

A dedicated generator input allows integration with standby or prime generators. The inverter can automatically start and stop the generator based on battery state of charge, load demand, or scheduled parameters. Generator power can be prioritised for load supply, battery charging, or both simultaneously, improving fuel efficiency during extended outages.

Backup Operation and Power Continuity During Grid Failure

In the event of grid failure, the Sunsynk 50kW hybrid inverter transitions automatically to battery and solar operation without manual intervention. When sufficient energy is available, three-phase loads continue operating, making the system suitable for uptime-critical environments.

The inverter can be configured to prioritize essential loads or manage load shedding internally when battery capacity becomes limited, protecting the battery system and maintaining operational stability.

Thermal Management and Long-Duration Performance

Intelligent variable-speed air cooling manages internal temperatures under sustained high load conditions. Combined with high inverter efficiency, this reduces heat generation, prevents thermal derating under normal conditions, and supports continuous operation in demanding commercial environments.

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

AC Output

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

Battery System

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

Solar PV Input

• Maximum PV input power: 65 kW
• Maximum PV voltage: 1000 V DC
• MPPT voltage range: 150 – 850 V DC
• Number of MPPTs: 4
• Strings per MPPT: 2 + 2 + 2 + 2

Efficiency

• Maximum inverter efficiency: 97.6%
• MPPT efficiency: Greater than 99%

Physical and Environmental

• Cooling: Intelligent air cooling
• Ingress protection: IP65
• Operating temperature range: -40°C to +60°C
• Weight: Approximately 80 kg
• Dimensions: 527 × 894 × 294 mm

Warranty

Manufacturer warranty: 5 years