Industrial MPPT Solar Pump Drive for Reliable Off-Grid Water Pumping Systems
The General Purpose Solar Pump Inverter is an industrial variable frequency drive (VFD) designed to operate water pumps directly from photovoltaic (PV) power sources.
By converting DC power from solar panels into adjustable-frequency AC output, the inverter regulates pump speed according to available solar energy and water demand. The integrated MPPT algorithm continuously tracks PV output changes, helping maximize solar utilization throughout the day.
Designed for agricultural irrigation, livestock water supply, remote water projects, and commercial solar pumping systems, this inverter provides a practical alternative to diesel-powered pumping and unstable grid-dependent solutions.
The product is developed for system integrators, pump manufacturers, EPC contractors, and distributors requiring flexible integration, reliable operation, and long-term project stability.
Key Features & Engineering Advantages
High-Efficiency MPPT Solar Control
The built-in MPPT control algorithm dynamically adjusts the operating point of the PV array to improve energy harvesting efficiency under different sunlight conditions.
Benefits:
• Improved solar energy utilization
• Extended daily pumping operation time
• Stable pump performance during changing weather
Flexible Pump Compatibility
The inverter supports common AC pump applications, including:
• Submersible pumps
• Centrifugal pumps
• Surface pumps
• Deep well pumps
Compatible with:
• AC induction motors
• Permanent magnet synchronous motors (depending on configuration)
Adjustable frequency control allows engineers to optimize pump operation according to flow requirements and site conditions.
PV + Grid Hybrid Operation (Optional)
For projects requiring continuous water availability, hybrid input configurations allow automatic switching between solar power and AC supply sources.
Advantages:
• Reduced dependence on weather conditions
• Improved system availability
• Flexible project design for commercial applications
Reliable Protection for Remote Installations
Solar pumping systems are often installed in locations where maintenance access is limited.
The inverter integrates multiple protection functions:
Dry-Run Protection: The inverter monitors motor operating conditions and detects abnormal load changes caused by insufficient water supply, helping prevent pump damage.
Electrical Protection
Includes:
• Over-voltage protection
• Over-current protection
• Short-circuit protection
• Over-temperature protection
• Phase-loss protection (three-phase models)
Water Level Control: Digital input terminals support external float switches or water level sensors for tank full and low-water protection.
Technical Specifications
|
Parameter |
Specification |
|
Power Range |
0.75kW–160kW |
|
Input Source |
Solar PV DC / AC Hybrid (Optional) |
|
Control Method |
MPPT + V/F Control / Sensorless Vector Control (Optional) |
|
Motor Compatibility |
AC Induction Motor / PMSM |
|
Output Frequency |
0–600Hz Adjustable |
|
Protection Rating |
IP20 Standard / IP65 Optional |
|
Communication |
RS485 Modbus RTU |
|
Cooling Method |
Intelligent Fan Cooling |
|
Application Temperature |
Industrial Environment Range |
Solar Pump System Design Considerations
How to Match the Inverter with Your Pump System Correct selection depends on:
Pump Power Rating: The inverter power should match the motor rated power and starting requirements.
PV Array Configuration: Solar panel voltage should be designed according to the inverter MPPT voltage range to ensure stable operation.
Pump Application
Different applications require different flow rates, head pressure, and operating schedules.
Our engineering team can support PV configuration review and system matching recommendations for project applications.
Typical Applications
Agricultural Irrigation: Suitable for drip irrigation, sprinkler systems, greenhouse farming, and agricultural water management where reliable pumping is required.
Livestock Water Supply: Provides autonomous water pumping for farms located in areas with limited grid infrastructure.
Remote Water Supply: Designed for villages, islands, and infrastructure projects requiring independent solar-powered pumping.
OEM Solar Pump Systems: A flexible drive platform for pump manufacturers and EPC contractors developing standardized solar pumping solutions.
Smart Monitoring & Remote Maintenance
For commercial projects, remote monitoring can reduce maintenance costs and improve system visibility.
Available functions include:
RS485 Modbus communication
Integration with PLC or SCADA systems
Optional 4G/GPRS monitoring modules
System parameters such as:
PV voltage
Operating frequency
Fault information
Running status
Can be monitored for easier troubleshooting.
OEM & Distributor Support
We support global partners with engineering and commercial services including:
OEM branding
Parameter customization
User manual customization
Technical documentation
Bulk production support
For EPC contractors and distributors, we provide technical assistance during product selection and project preparation to reduce integration risks.
Certificate
FAQ
Q: Can a solar pump inverter work without batteries?
A: Yes. Solar pumping systems are commonly designed without batteries. The inverter directly converts solar energy into motor power, reducing system cost and maintenance requirements.
Q: How do I select the correct solar pump inverter size?
A: The inverter rating should match the pump motor power, while PV voltage configuration should match the inverter's solar input range.
Q: Can this inverter replace diesel water pumps?
A: Yes. In suitable solar conditions, solar pump systems can replace diesel pumps for irrigation and water supply applications, reducing fuel consumption and maintenance requirements.
Q: Can the inverter operate during cloudy weather?
A: Yes. The MPPT algorithm automatically adjusts operating parameters according to available solar power.
Q: What documentation is available for engineering projects?
A: Technical documentation includes user manuals, parameter lists, communication protocols, dimension drawings, and compliance documents depending on product configuration.
Q: Do you support OEM customization?
A: Yes. OEM branding, parameter configuration, and technical document customization are available for qualified partners.
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