The Fox K-Series 10kW Hybrid Inverter (Fox KH10) from Fox ESS is designed for single-phase solar PV arrays, integrating hybrid functionality with high-voltage battery storage systems. Here’s a detailed overview of its features and specifications:
Key Features:
- Hybrid Functionality: Acts as both a solar PV inverter and a battery storage controller, suitable for new installations or retrofitting existing setups.
- Compatibility: Designed to work seamlessly with Fox high-voltage battery storage solutions (specific battery details available upon inquiry).
- Max. Charge/Discharge Current: Supports up to 50A, facilitating efficient energy management and quick response to demand fluctuations.
- IP65 Rated: Suitable for outdoor installations, ensuring durability and protection against environmental elements.
- Remote Monitoring: Enables monitoring via web portal or smartphone app, providing real-time performance data and system status updates.
- Low DC Start-up Voltage: Starts operating from as low as 75V DC, enhancing efficiency in varying sunlight conditions.
- Expandable Battery Capacity: Allows for easy expansion of battery capacity, accommodating up to 30+ kWh for increased energy storage.
- Quadruple MPPT Inverter: Features four Maximum Power Point Trackers (MPPT), ideal for large PV arrays with multiple orientations.
- High Efficiency: Offers a high round-trip efficiency of 97%, optimizing energy conversion and utilization.
Electrical Characteristics:
- Battery Type: Lithium-Ion (Li-Ion)
- Battery Voltage Range: 85 ~ 480V
- Recommended Battery Voltage: 300V DC
- Max. Charge Current: 50A
- Max. Discharge Current: 50A
- Communication Interfaces: CAN / RS485
- Reverse Connect Protection: Yes
Input PV (For KH Only):
- Max. Recommended DC Power: 15,000W
- Max. DC Voltage: 600V
- Nominal DC Operating Voltage: 360V
- Max. Input Current: 16A per input (four inputs)
- MPPT Voltage Range: 80 ~ 500V
- Number of MPP Trackers: 4
Output AC:
- Nominal AC Power: 10,000 VA
- Max. Apparent AC Power: 10,500 VA
- Rated Grid Voltage (AC Voltage Range): 220 / 230 / 240V (180 ~ 270V)
- Rated Grid Frequency: 50 / 60 Hz, ±5
- Nominal AC Current: 43.5A
- Max. AC Current: 45.7A
EPS Output (With Battery):
- Max. EPS Power: 10,000 VA
- EPS Rated Voltage, Frequency: 220 / 230 / 240V, 50 / 60 Hz
- Max. EPS Current: 45.5A
- EPS Peak Power: 12,000W for 60 seconds
- Switch Time: < 20 ms
Efficiency:
- MPPT Efficiency: 99.90%
- Euro-efficiency: 97.40%
- Max. Efficiency: 97.80%
- Max. Battery Charge Efficiency (PV to BAT): 98.50%
- Max. Battery Charge / Discharge Efficiency (BAT to AC): 97.00%
Protection:
- Various protections include PV reverse polarity, battery reverse protection, anti-islanding, output short protection, leakage current protection, and more.
Power Consumption:
- Standby Consumption: < 15W (Idle)
Standard and Certifications:
- Safety: IEC62109-1 / IEC62109-2 / IEC 62477-1
- EMC: EN 61000-6-1 / EN 61000-6-2 / EN 61000-6-3
- Certifications: G99 / AS4777.2 / EN50549-1 / CEI 0-21 / NRS 097-2-1, among others.
Environment Limits:
- Ingress Protection: IP65
- Protective Class: Class I
- Operating Temperature Range: -25°C to +60°C (Derating at +45°C)
- Humidity: 0 ~ 95% (Non-condensing)
- Altitude: < 2000m
- Storage Temperature: -40°C to +70°C
- Noise Emission: < 30 dB
Dimension and Weight:
- Dimensions: 450 x 527 x 208 mm
- Weight: 29 kg (KH) / 27.5 kg (KA)
Cooling Concept: Natural cooling Topology: Non-isolated Communication: Meter (Optional), WiFi, 4G (Optional), DRM, USB, CT, RS485 Display: Backlight 16×4 character LCD display
The Fox K-Series 10kW Hybrid Inverter is a robust solution for integrating solar PV systems with battery storage, offering high efficiency, reliability, and extensive protection features suitable for various residential and commercial applications.