The CG Emotron VSRE48-009 20 CNB is a high-performance Variable Frequency Drive (VFD) from the VSR Series, specifically engineered by CG Power and Industrial Solutions Limited for solar-powered applications. This drive is designed to optimize energy harvest from solar PV arrays, providing reliable and efficient operation for motors in various industrial and agricultural settings.
Key Specifications
Model: VSRE48-009 20 CNB
Motor Power: 3.7 kW (5 HP)
Rated Output Current: 9.5A (Heavy Duty 150%)
Maximum Input DC Current: 18A
Recommended Solar Array Power: 6 kWp
Efficiency: Rated Power Run 93%
Technical Features & Benefits
Dual Input Support: Compatible with three-phase 380V AC grid or backup generator input (-15% to 30%) and direct DC solar input9999.
Solar Voltage Range: Features a maximum input DC voltage of 450VDC and a recommended MPPT voltage range of 250–350VDC1010.
Universal Motor Compatibility: Supports both Induction Motors (IM) and Permanent Magnet Synchronous Motors (PMSM)
Intelligent Protection: Built-in safeguards include lightning protection, over-current, over-voltage, output phase-loss, short circuit, overheating, and water pump dry run protection
Control Modes: Offers V/f control and two types of sensor-less vector control for precise motor management
User Interface: Equipped with a detachable LED/LCD keypad for easy monitoring and configuration
Communication: Includes built-in Modbus RS485 support, with optional Profibus and Profinet availability
Installation & Environmental Reliability
Enclosure Rating: IP20 protection grade
Cooling System: Forced air cooling
Mounting: Designed for wall or rail mounting
Operating Temperature: Functions in ambient temperatures from -10°C to 50°C (up to 55°C with deration)
Altitude: Operates up to 2000m, with a 1% current capacity deration for every 100m above 1000m
Applications
This VFD is suitable for a wide range of applications21:
Solar water pumping and irrigation systems.
Industrial fans and cold storage
Flour mills and other motor-driven machinery
