Veichi 15kW (20 HP) Three-Phase Hybrid Solar Water Pumping Inverter | SI23 Series

The Veichi 15kW Three-Phase Hybrid Solar Pumping Inverter (Model: SI23-D5-015G-A) is an industrial-tier variable speed drive designed to run heavy-duty three-phase AC submersible and surface water pumps up to 15,000 Watts. Built around Veichi’s world-class vector motor control architecture, this powerhouse drive operates as an independent, green utility system—allowing large commercial operations to completely eliminate volatile diesel generator fuel costs and high national grid electrical tariffs.

The SI23 15kW model utilizes a refined High-Bandwidth Current Vector Control Algorithm . This enables the inverter to seamlessly drive standard AC asynchronous induction motors as well as ultra-high-efficiency Permanent Magnet Synchronous Motors (PMSM) with precise torque accuracy. Combined with an advanced 99.9% Maximum Power Point Tracking (MPPT) system, it dynamically alters the pump’s operating frequency in real time, shifting maximum water volume even under inconsistent or low-light coastal cloud cover.  

Isolated Air-Duct Architecture for Maritime Humid Zones

Installing heavy electrical gear in coastal environments requires uncompromising resilience against salt-air corrosion. Veichi handles this via its signature space-saving book-style narrow structure , reducing your cabinet layout area by up to 60%. Crucially, it features an isolated internal air duct layout . The sensitive control circuit boards are completely sealed off from the high-velocity, wide-tooth heat dissipation channels. This keeps corrosive coastal humidity out of your core electronics, guaranteeing a long equipment life and continuous full-power execution up to +60°C without thermal derating.

Industry-Specific Benefits (Geo-Targeted Content)

Industrial-Scale Agri-Business & Ranches (Kilifi, Malindi, Tana River Delta)

• Application: Extensive overhead pivot lines, multi-acre automated drip networks, and regional livestock watering infrastructure.

• The Advantage: Powering a 20 HP diesel generator to pump thousands of liters daily will aggressively destroy agricultural margins. Delivering a high 32A rated output current, this inverter converts raw solar DC energy into perfectly stabilized three-phase AC power. Its integrated "Custom PQ Curve" tracking software provides real-time readouts of cumulative flow and daily solar generation, giving farm managers precise oversight of their resources.  

 Port Logistics, Manufacturing & Estates (Mombasa Mainland, Miritini, Changamwe)

• Application: Large-scale stormwater flood mitigation, heavy industrial process pumping, and central water distribution towers.

• The Advantage: Commercial logistical nodes cannot afford equipment downtime. The SI23 15kW drive supports fully integrated hybrid dual-input mixing. It automatically blends DC solar energy with 3-phase national grid power or backup industrial generators. The inverter prioritizes free solar during the day and seamlessly draws auxiliary AC current if weather patterns change, maintaining stable, automated water pressure 24/7.

Municipal Infrastructure & Mega Resorts (CWWDA, Lamu, Diani Beach)

• Application: High-volume public borehole systems, localized reverse osmosis (RO) desalination intake, and sub-regional community water kiosks.

• The Advantage: Safeguard expensive, deep-well pumping machinery via integrated protective software logic. The inverter includes built-in sensor terminals for automated dry-run protection at the bottom of the well, and tank overflow cut-off controls at the reservoir. With optional plug-and-play GPRS / 4G IoT telemetry modules, municipal teams can track system metrics, run remote diagnostics, and control operations directly via a smartphone app or desktop dashboard.

Technical Specifications Table