Solar Pump Inverter
China Solar MPPT Pump Inverter 25-250KW – High Efficiency from Leading Suppliers & Factory
The SPI series Solar MPPT Pump Inverter from Bangzhao Electric is a crucial component of the PV pump inverter system. This innovative inverter converts the DC output from the photovoltaic (PV) array into efficient AC power to drive pumps. By dynamically adjusting the output voltage and frequency in response to real-time changes in sunlight intensity, the SPI series ensures maximum power point tracking, optimizing the utilization of solar energy. As a leading factory in China, Bangzhao Electric is committed to providing high-quality solutions for solar applications, catering to the needs of various suppliers in the renewable energy sector
Product Features
1
VI maximum power point tracking (MPPT) algorithm: fast response speed and stability, solving traditional MPPT issues like poor tracking or water hammer damage under rapid sunlight changes.
2
Adopting high-efficiency IPM (intelligent power module) from Mitsubishi with powerful protection functions and high stable performance.
3
Automatic system operation without human duty, significantly reducing manpower requirements.
4
New type Variable Frequency Driver (VFD) technology ensures the pump works even in low sunshine, maximizing solar array utilization.
5
Full digital control with automatic operation, data storage, timing power on/off sets, and perfect protection for unattended operation.
6
LCD display operating panel allows for easy setting and viewing of various operating parameters.
7
Complete protection: PV input under/over voltage, reverse polarity, DC over current, output overload, short circuit, dry well, overflow, and blocking protection.
8
Environmental and economical design: uses water storage to replace battery storage, direct drive pump, high reliability, and low maintenance costs.
9
Modular design for stable operation, safety, and convenient installation and maintenance.
10
Equipped with RS485 data communication for optional remote monitoring.
Application scope
Product Parameters
| Model | Adapted Pump Motor | Max PV Input Power (KWP) | Rated DC Input Voltage (V) | Recommend MPPT Input Voltage (V) | Rated AC Output Current (A) | Output Frequency (HZ) | Protection Degree | |
|---|---|---|---|---|---|---|---|---|
| Rated Power (KW) | Rated Voltage (V) | |||||||
| SPI-1500W | 1.1~1.5 | 200~220 | 1.85 | 360 | 300~600 | 9 | 0~50/60 | IP65 |
| SPI-2200W | 2.2 | 3 | 13 | |||||
| SPI-3700W | 3~3.7 | 4.5 | 22 | |||||
| SPI-5500W | 4.5~5.5 | 380~480 | 7 | 600 | 400~800 | 11 | ||
| SPI-7500W | 7.5 | 9 | 15 | |||||
| SPI-11KW | 9.2~11 | 13 | 22 | |||||
| SPI-15KW | 13~15 | 18 | 30 | |||||
| SPI-18KW | 18.5 | 21 | 35 | |||||
| SPI-22KW | 22 | 25 | 45 | |||||
| SPI-30KW | 26~30 | 35 | 60 | |||||
| SPI-37KW | 37 | 45 | 75 | IP20 | ||||
| SPI-45KW | 40~45 | 53 | 90 | |||||
| SPI-55KW | 55 | 65 | 110 | |||||
| SPI-64KW | 64 | 76 | 130 | |||||
| SPI-75KW | 75 | 88 | 150 | |||||
| SPI-90KW | 90 | 113 | 180 | |||||
| SPI-110KW | 110 | 130 | 220 | |||||
| SPI-132KW | 132KW | 156 | 260 | |||||
| SPI-150KW | 150KW | 176 | 300 | |||||
Frequently Asked Questions
Does this solar pumping system require batteries?
No, the system is designed to use water storage instead of battery storage. It directly drives the pump, which increases reliability and significantly reduces construction and maintenance costs.
What is the advantage of the VI MPPT algorithm?
The VI MPPT algorithm provides fast response speeds and high stability. It effectively solves common problems like poor tracking and water hammer damage that occur during rapid changes in sunlight intensity.
Can the system operate automatically?
Yes, the system features full digital control and automatic operation. It can be set for timing power on/off and runs without human intervention, making it ideal for unattended sites.
What kind of protections are included in the inverter?
The system includes comprehensive protection for PV input under/over voltage, reverse polarity, DC over-current, output overload, short circuits, dry well conditions, overflow, and pump blocking.
Can I monitor the system performance remotely?
Yes, the system is equipped with RS485 data communication, which allows for remote monitoring as an optional feature.
What is the protection rating of these inverters?
Models up to 30KW generally feature an IP65 protection degree, while larger models (37KW to 150KW) are rated at IP20.
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