AC Generator-Battery Hybrid Converter
Advanced DC-DC Buck Boost Topology On-Grid Controller featuring 350-450 Vdc battery voltage range and LCD SMART Touch Screen Display for comprehensive power control.
Product Overview
GREEF ENERGY's multi-functional converter integrates multiple critical power management functions into a single, efficient system. This advanced device performs AC-to-DC rectification specifically optimized for permanent magnet generators, manages sophisticated battery charging protocols, and handles precise DC-to-AC inversion.
The system features a configurable dual LCD touchscreen interface and utilizes cutting-edge technology to maintain stable voltage and frequency control with permanent magnet synchronous generators (PMSGs), ensuring uninterrupted power supply to connected loads. The converter seamlessly transitions to grid-tied operation, enabling synchronization with utility grids and supporting grid charging capabilities.
Technical Specifications
Generator AC Input Parameters
| Parameter |
Specification |
| Rated Power |
100 kW |
| Rated Voltage |
≥320 Vac |
| Optimal Voltage |
450 Vac |
| Working Range |
240-550 Vac |
| Maximum AC Current |
180 A |
Battery Input Specifications
| Parameter |
Specification |
| Battery Type |
Lithium-ion |
| Voltage Range |
350-450 Vdc |
| Rated Voltage |
400 Vdc |
| Max Charge/Discharge Current |
250 A |
Grid-Connected Output Parameters
| Parameter |
Specification |
| Rated Power |
100 kW |
| Maximum Power |
120 kW |
| Rated Current |
144 A |
| Maximum Current |
173 A |
| Rated Grid Voltage |
400 V |
| Permissible Voltage Range |
300-460 V |
| Grid Frequency |
50 Hz / 60 Hz |
| Total Harmonic Distortion |
<3% at rated power |
| Power Factor |
>0.99 (range: -1 to 1) |
| Overload Capacity |
1.2x nominal power for 1 minute |
System Performance & Protection
- Maximum Efficiency: 95%
- Topology: AC-DC Rectifier, DC-DC Buck Boost Converter, DC-AC Inverter with EMS
- Operating Temperature: -40℃ to 60℃
- Protection Level: IP54
- Over-voltage and Speed Protection (Optional)
- AC Short-Circuit Protection
- AC Output Overcurrent Protection
- Surge Protection: Level 2
- Maximum Operating Altitude: 4,000 meters (derating above 3,000 meters)
- Standby Power Consumption: <50 W
Display & Monitoring
LCD Smart Touch Screen displaying generator speed (rpm), input voltage (Vdc), input current (Vac), output power (kW), grid voltage (Vac), grid current (A), energy generation data (today, month, year), and power curve settings.
Cooling & Communication
Intelligent air cooling system with communication support via Ethernet, RS485, and WiFi.
Physical Specifications
Dimensions: 1500mm (H) × 1500mm (W) × 1300mm (D) | Weight: ≤600 kg (excluding dump load)
Applications
The GREEF ENERGY multi-functional converter delivers versatile power management solutions across multiple applications requiring reliable and intelligent energy control.
- Renewable Energy Systems: Integration with Permanent Magnet Synchronous Generators (PMSGs) for wind and hydro turbines in off-grid or hybrid configurations
- Off-Grid & Backup Power: Primary power conversion and management for remote locations, cabins, and telecommunications stations
- Grid-Interactive Systems: Grid-tied operation enabling battery charging from utility grid and potential power export
- Industrial & Commercial Power: Stable power supply for unbalanced loads with remote monitoring via WIFI/LAN and Modbus integration
- Specialized Controls: Water gate motor control for micro-hydropower plants and Static Transfer Switch (STS) functionality
This comprehensive platform combines power generation, energy storage, consumption management, and grid integration in a modular, configurable design suitable for residential energy storage, commercial backup systems, and small-scale renewable power plants.
Customization & Ordering
Manufactured in China with CE certification, the Greef AC PCS On Grid Controller offers extensive customization services with 100 kW rated power and 400 Vdc battery voltage.
- Power curve controller function for optimal energy management
- Advanced remote control system for seamless monitoring
- Sophisticated PWM unloading with three-phase system
- AC-DC Rectifier, DC-DC Buck Boost, and DC-AC Inverter EMS topology
- Minimum Order Quantity: 1 set (negotiable)
- Packaging: Secure foam and plywood cases
- Delivery: Within 25 working days
- Payment Methods: T/T, Western Union, MoneyGram, L/C
