12kW Three-Phase Hybrid Solar System

Sigenergy Sigen Hybrid 12kW Three-Phase Inverter + 2 × SigenStor Lithium Batteries + Sigen Energy Gateway + 14 × 615W Bifacial Solar Panels

This advanced hybrid solar energy system is designed to deliver reliable three-phase power, strong backup capability, and substantial electricity savings for large homes, lodges, farms, and commercial properties.

The system integrates the Sigenergy Sigen Hybrid 12.0 TP2 three-phase hybrid inverter, high-voltage SigenStor lithium battery storage, the SigenStor BC battery controller, and the Sigen Energy Gateway Home TP 30K to provide intelligent solar power generation, efficient energy storage, and seamless backup power during grid outages.

With 14 high-efficiency bifacial solar panels, the system provides approximately 8.61kWp of installed solar generation capacity, allowing properties to maximise solar energy production while reducing dependence on the electrical grid.

All systems are installed by qualified solar professionals and include full commissioning and an Electrical Certificate of Compliance (COC).

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System Components

Sigenergy Sigen Hybrid 12.0 TP2 Three-Phase Hybrid Inverter

The Sigenergy Sigen Hybrid 12kW Three-Phase Hybrid Inverter is a high-performance hybrid energy management system designed for residential and commercial installations requiring balanced three-phase power.

The inverter manages solar production, battery charging and discharging, grid interaction, and backup power supply in one intelligent platform.

Key Features

• 12kW three-phase hybrid inverter
• Intelligent solar, battery, and grid energy management
• Seamless automatic switching during power outages
• Remote monitoring via mobile application
• Generator compatibility
• Smart export limitation capability
• High solar conversion efficiency
• Parallel system expansion capability
• Intelligent load prioritisation and scheduling

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Electrical Specifications

PV Input

• Maximum PV power: 24,000W
• Maximum DC input voltage: 1100V
• Nominal DC input voltage: 600V
• Start-up voltage: 180V
• MPPT voltage range: 160V – 1000V
• Number of MPPT trackers: 2
• PV strings per MPPT: 1 / 2
• Maximum input current per MPPT: 16A / 32A
• Maximum short-circuit current per MPPT: 22A / 44A

AC Output

• Rated output power: 12kW
• Maximum apparent power: 13.2kVA
• Nominal output current: 18.2A
• Maximum output current: 20.1A
• Nominal voltage: 220/380V, 230/400V, 240/415V (Three-phase)
• Nominal grid frequency: 50 / 60Hz

Efficiency

• Maximum efficiency: ≈99%

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Battery Storage System

2 × Sigenergy SigenStor BAT 10.0 Lithium Batteries

The system includes two SigenStor lithium battery modules, providing high-performance energy storage and reliable backup power.

Each battery module has a 9.04kWh total capacity and 8.76kWh usable capacity, resulting in a combined system storage capacity of:

Total Battery Capacity: 18.08kWh
Usable Battery Capacity: 17.52kWh

These batteries store excess solar energy generated during the day so it can be used at night or during load shedding.

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Battery Key Features

• Lithium Iron Phosphate (LiFePO4) battery chemistry
• Premium 314Ah battery cells
• Up to 10,000 cycle lifespan
• 100% depth of discharge capability
• Advanced 5-layer safety protection architecture
• Integrated battery optimizer technology
• Intelligent Battery Management System (BMS)
• High energy density and compact design

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Battery Performance Specifications

• Battery type: LiFePO4
• Cell capacity: 314Ah
• Cycle life: 10,000 cycles
• Total energy capacity: 9.04kWh per battery
• Usable energy capacity: 8.76kWh per battery
• Maximum charge/discharge power: 4,600W
• Peak charge/discharge power (10 seconds): 6,900W

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Physical Specifications

• Weight: 78 kg per battery
• Dimensions: 767 × 270 × 265 mm

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Operating Conditions

• Operating temperature: -20°C to 55°C
• Storage temperature: -25°C to 60°C

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SigenStor BC Battery Controller

The SigenStor BC battery controller connects the hybrid inverter to the high-voltage SigenStor battery modules and manages battery communication and protection.

Key Features

• Enables battery connection for Sigenergy hybrid inverter systems
• Intelligent battery communication and control
• Supports multiple battery modules
• CAN communication protocol

Specifications

• Battery operating voltage range (three-phase): 600 – 900V
• Dimensions: 765 × 109 × 260 mm
• Weight: 8 kg

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Sigen Energy Gateway Home TP 30K

The Sigen Energy Gateway Home TP 30K is an intelligent energy gateway that manages grid interaction, backup switching, and load distribution.

It ensures seamless switching between grid and backup power, enabling whole-home or partial-home backup configurations.

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Key Features

• Instant backup switching during power outages
• Whole-home or critical-load backup capability
• Intelligent energy distribution between solar, battery, and grid
• Generator compatibility
• Smart load monitoring and management

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Gateway Specifications

Grid Connection

• Grid connection type: Three phase
• Nominal AC voltage: 380 / 400V
• Nominal AC current: 45.6A
• Nominal AC power: 30kW

Backup Operation

• Backup switching time: 0 ms

AC Output

• Backup port capacity: 30kW
• Non-backup port capacity: 30kW

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Physical Specifications

• Dimensions: 400 × 590 × 156 mm
• Weight: 19 kg
• Cooling: Natural convection
• Protection rating: IP54

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Solar Array

14 × 615W Bifacial Solar Panels

The system includes 14 high-efficiency bifacial solar modules capable of capturing sunlight from both the front and rear sides of the panel.

Solar Capacity

• Panel output: 615W
• Number of panels: 14
• Total installed solar capacity: 8.61kWp

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Panel Features

• Bifacial solar technology
• High-efficiency mono-crystalline cells
• Excellent low-light performance
• Durable tempered glass construction
• Long manufacturer warranty

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Solar Mounting System

Lumax Aluminium Solar Mounting Structure

All solar panels are installed using Lumax aluminium mounting systems, designed specifically for South African roof types.

Features

• Corrosion-resistant aluminium construction
• Strong wind and weather resistance
• Suitable for tile, IBR, and corrugated roofs
• Long system lifespan

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Electrical Protection & Balance of System

To ensure a safe and compliant installation, the system includes all required protection equipment and electrical components.

DC Components

• Solar DC isolator switches
• DC surge protection devices
• Solar PV cables (UV resistant)
• MC4 connectors
• PV string protection fuses

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AC Components

• AC isolator switches
• AC distribution board
• Circuit breakers
• Surge protection devices
• Earth leakage protection

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Battery Components

• Battery isolator switches
• Battery protection fuses
• Battery communication cables
• Battery interconnection cables

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Monitoring & Smart Energy Management

The Sigenergy system includes advanced monitoring functionality.

Monitoring Features

• Real-time solar production tracking
• Battery charge and discharge monitoring
• Energy consumption analytics
• Mobile and web-based monitoring platform
• Fault alerts and diagnostics
• Smart energy scheduling

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Professional Installation

The system includes complete professional installation by certified solar technicians.

Installation includes:

• Site inspection and system design
• Solar panel installation
• Inverter installation
• Battery installation
• Gateway installation
• Electrical protection installation
• System commissioning and testing
• Monitoring system setup

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Certification & Compliance

Every installation includes:

✔ Electrical Certificate of Compliance (COC)
✔ Installation by qualified and certified installers
✔ Compliance with South African electrical regulations