3.7KW Solar Pump Inverter, DC/AC input to 1PH AC Output
Overview
3.7kW solar water pump inverter, protection grade IP20, output current 19.2A, recommended MPPT range (250V, 400V). Solar pump inverter has output frequency 0~400Hz, and power factor >0.99. The solar inverter with the RS485 communication method is easy to use and can be used in agricultural irrigation, desert greening, etc.
Features
- Solar pump inverter adopts advanced MPPT control technology, real-time detection of solar panels power voltage, tracking the highest voltage and current, efficiency is as high as 98%.
- It can enter automatically into sleep mode when the intensity of sunlight is weak, as well as exit the sleep mode when the intensity of sunlight is becoming strong.
- Automatic sleep when on the high-water level and automatic restart when on the low-water level to realize automatic control through water level.
- Smart operation, water level detection, and operation panel to prevent overflow and dry pumping.
- Protect itself in trouble and improve the reliability of the whole system.
- The bypass- AC source which runs automatically when the sun is not sufficient or absent.
Specs
| Items |
Specifications |
| Recommended MPPT voltage range |
1 AC 220V / 150~350V DC ( Recommend 310V DC )
3 AC 380V / 350~750V DC ( Recommend 530V DC ) |
| MPPT efficiency |
99.9% |
| Power |
0.2KW~132KW |
| Rated output voltage |
3AC 220V/ 380V |
| Output frequency range |
0~60Hz |
| Cooling method |
Air cooling |
| Protection degree |
IP20/54 |
Technicial FAQ
How do you size a solar pump inverter?
Sizing a solar pump inverter is a comprehensive process that requires consideration of several key factors to ensure that the selected inverter can drive the pump efficiently and stably. Here are some factors to consider:
- Pump power requirements: Know the rated power of the pump (in watts) as the basis for selecting the inverter size. The continuous output power or peak power (if the pump has startup or instantaneous high power requirements) of the solar pump inverter should be at least equal to or slightly higher than the rated power of the pump to ensure that the inverter can fully meet the power needs of the pump.
- Voltage compatibility: Check the voltage requirements of the pump and solar panel array to ensure that the output voltage of the selected inverter matches them. The inverter should be able to stably output a voltage suitable for the operation of the pump to avoid efficiency loss or equipment damage caused by voltage mismatch.
- Current requirements: In addition to power and voltage, the current requirements of the pump also need to be considered. The output current of the inverter should be large enough to handle the current consumption of the pump under normal operating conditions. At the same time, the inverter should have overload protection capabilities to cope with possible current fluctuations or overload conditions.
- System load changes: Evaluate the power load changes of the solar pump system under different working conditions. For example, the load of the water pump may change due to factors such as water level, pipe resistance, etc. Select an inverter with sufficient dynamic response capability and regulation accuracy to ensure that the system can operate stably under various load conditions.
- Environmental conditions: Consider the environmental conditions in which the inverter will be installed. Different environmental conditions (such as temperature, humidity, sunlight exposure, etc.) may affect the performance and life of the inverter. Select an inverter suitable for local environmental conditions to improve the reliability and durability of the system.
Detailed Photos
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