SI21 Series Solar Pump Inverter

Product Overview

The SI21 solar pump inverter is designed to deliver clean water resources in remote areas with limited power infrastructure. It converts photovoltaic array direct current into alternating current to drive various water pumps effectively and efficiently.

• Advanced SynRM and PMSM Driving Technology.
• Wide-range and High Efficiency MPPT Technology.
• Specific functions tailored for solar pumping applications.
• Intelligent IoT for seamless operation and monitoring.
• Functional monitoring software for enhanced performance tracking.
• Flexible and versatile installation options.

Advanced Technology

The SI21 inverter integrates state-of-the-art technologies to ensure maximum energy efficiency and performance.

• Supports SynRM, PMSM, and AC motor driving technologies.
• Energy-saving design that pumps more water using less energy.

High Efficiency MPPT Technology

The SI21 series employs industry-leading MPPT technology for optimal power usage.

• Compatible with the full voltage range for solar input.
• Delivers up to 99.8% efficiency, maximizing energy conversion.

Specialized Functions for Solar Pumping

Tailored features ensure reliable and safe solar pumping operations.

• One-key operation for quick and easy use.
• Multiple protection functions: dormancy, dry run, low speed, minimum power, and pump overcurrent.
• Advanced control options: water fulfillment, output power limit, PQ curve adjustment, pump cleaning, and constant pressure control.

Intelligent IOT

Functional PC Monitoring Software

Comprehensive monitoring tools enhance usability and maintenance.

• Real-time parameter monitoring and easy settings adjustments.
• Virtual oscilloscope for detailed data analysis.

Flexible and Versatile Installation

The SI21 inverter supports multiple installation methods to adapt to various space and environmental conditions.

• Side-by-side installation without clearance requirements.
• Rail mounting for quick and easy use.
• Sideways installation for limited vertical space.