3kW Photovoltaic Off-Grid Inverter For Solar Power Systems

3kW Photovoltaic Off-Grid Inverter For Solar Power Systems

The DS SUN-3K-OG01LP1 is a fully integrated inverter/charger that combines pure sine wave inversion, MPPT solar charging, and battery management in a compact IP65-rated unit. Designed for off-grid applications, it delivers 3,000W continuous power (6,000W surge for 10s) with 97.6% max efficiency, ensuring reliable electricity for homes, cabins, and remote installations.
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Description
Technical Parameters

Product description

 

 

The DS SUN-3K-OG01LP1 is a fully integrated inverter/charger that combines pure sine wave inversion, MPPT solar charging, and battery management in a compact IP65-rated unit. Designed for off-grid applications, it delivers 3,000W continuous power (6,000W surge for 10s) with 97.6% max efficiency, ensuring reliable electricity for homes, cabins, and remote installations.

 

Key Features:
Triple Function Integration – Inverter + MPPT charger (150-425V range) + battery charger (20-30V/130A)
Ultra-Fast Switching – 4ms UPS-grade transition for uninterrupted power
Dual Battery Compatibility – Works with lead-acid or lithium-ion (auto-adapts to BMS)
Intelligent LCD Interface – Configurable charging current, solar/AC priority, and voltage thresholds
Expandable System – Supports parallel operation for up to 18 units (54KW total)
Generator Hybrid Mode – Stores excess energy from diesel generators

 

Comprehensive Protection

Advanced BMS with active fuse

 

Flexible Expansion

Max. 32 units in parallel

 

Superior Performance

Support Max. IC charge & 120 discharge (SE-F5 & F5 Plus), GGN MOSFETs: 50% loss reduction, high-temp resistance

 

Easy Maintenance

Auto-networking, Local monitoring mode for battery, remote monitoring mode for ESS

 

Optimized Energy Density

Integrated PACK: reduced line loss, enhanced energy density

 

Reliable Durability

Operates reliably in ~20°C to 55°C, natural cooling

 

High Performance

Support a peak output of 2 times the rated power for up to 10 seconds

 

Outdoor-Ready

PS6-rated, built to withstand tough environments

 

HIGH Efficiency

4ms UPS-level switching time
Max. efficiency of 97.6% for optimal performance

 

Smart MPPT Technology

2 MPPTs, supports 1.6x PV oversizing (8A+18A), optimizing energy from panels at various angles

 

Long-Term Assurance

5-year warranty, extendable to 10 years for peace of mind

 

Parallel Scalability

Supports 16 pcs parallel (off-grid)

 

Generator Integration

Support storing energy from diesel generator

 

 

Technical Data

 

 

Model SUN-3K-OG01LP1-24-EU-AM1
Battery Input Data  
Battery Type Lead-acid or Lithium-ion
Battery Voltage Range (V) 20-30
Max. Charging Current (A) 130
Max. Discharging Current (A) 130
Charging Strategy for Li-ion Battery Self-adaption to BMS
Number of Battery Input 1
PV String Input Data
Max. PV Access Power (W) 6,000
Max. PV Input Power (W) 4,800
Max. PV Input Voltage (V) 500
Start-up Voltage (V) 125
PV Input Voltage (V) 125-500
MPPT Voltage Range (V) 150-425
Full Load MPPT Voltage Range (V) 300-425
Rated PV Input Voltage (V) 370
Max. Operating PV Input Current (A) 18
Max. Input Short-Circuit Current (A) 27
No. of MPP Trackers/No. of Strings 1/1
Max. Inverter Backfeed Current to The Array(A) 0
AC Output Data
Rated AC Output Power (VA/W) 3,000
Max. AC Output Power (VA/W) 3,000
Max. AC Output Current (A) 13.1
Peak Power 2 times of rated power, 10s
Rated Output Voltage (V) 230
Output Type L+N+PE
Rated Output Frequency 50Hz / 60Hz
Output Voltage Waveform Pure Sine Wave
Total Current Harmonic Distortion THDi <3%
AC Input Data(Grid and Generator)
Max. Input Power to Battery (W) 3,000
Rated Input Voltage (V) 230
Rated Input Frequency 50Hz / 60Hz
Grid Input Current (A) 35
Generator Input Current (A) 35
Efficiency
Max. Efficiency 97.60%
Euro Efficiency 96.50%
MPPT Efficiency >99%
Equipment Protection
Integrated Protections DC Reverse Polarity Protection, AC Output Overcurrent Protection, Thermal Protection, AC Output Overvoltage Protection, AC Output Short Circuit Protection, DC Component Monitoring, Insulation Impedance Detection
Optional Protection Arc Fault Circuit Interrupter
Other DC Switch
Surge Protection Level TYPE II(DC), TYPE II(AC)
Interface
LCD/LED Display LCD
Communication Interface WIFI/RS485/CAN/Bluetooth
General Data
Max. Operating Frequency 200M
Operating Temperature Range (°C) -40 to +60°C, >45°C Derating
Permissible Ambient Humidity 0-100%
Permissible Altitude (m) 3,000
Noise (dB) <55
Ingress Protection(IP) Rating IP65
Inverter Topology Non-isolated
Over Voltage Category OVC II(DC), OVC III(AC)
Cabinet Size (W×H×D mm) 306×427.5×175.77 (Excluding Connectors and Brackets)
Weight (kg) 12.65
Type of Cooling Intelligent Air Cooling
Warranty Standard 5 years, extended warranty
Safety / EMC Standard IEC62109-1/-2, EN61000-6-1, EN61000-6-2, EN61000-6-3, EN61000-6-4

 

 

 

 

2024-08-12 092820

 

 

 

 

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