ZK solar pump inverter
Solar pump inverter
A solar pump inverter is a power electronic device used in solar photovoltaic (PV) water pumping systems. It converts the direct current (DC) generated by solar panels into alternating current (AC) to drive water pumps, and automatically adjusts pump speed and water output based on sunlight intensity, enabling intelligent water pumping.
Working principle
Solar panels generate DC electricity
The inverter converts DC to AC power
The pump motor operates to draw water
Built-in MPPT controller tracks the maximum power point in real time, maximizing solar energy utilization
Automatically adjusts pump speed based on light intensity, achieving constant pressure water supply or flow tracking
Key features
MPPT (Maximum Power Point Tracking) — Ensures the solar panel always outputs maximum power
Automatic Start/Stop — Runs when there is sunlight, stops when there is none
Variable Frequency Speed Control — Adjusts pump speed according to sunlight, energy-saving
Protection Functions — Overload, under-voltage, short circuit, dry run protection, etc.
No Battery Required — Directly drives the pump, low system cost
Difference from ordinary VFDs
An ordinary variable frequency drive (VFD) is used for industrial motor speed control, whereas a solar pump inverter is specifically designed for solar-powered systems, with built-in MPPT control and pump-specific logic. It can directly connect to solar panels to drive water pumps without battery energy storage.
Why Work with Us?
✓ Reliable Quality – ISO certified factory, CE/CQC compliance
✓ Competitive Pricing – Direct from manufacturer, cost-effective solutions
✓ Fast Delivery – Standard models in stock, sample orders welcome
✓ Customization – OEM/ODM services available for volume orders
✓ Technical Support – English-speaking sales and after-sales team
Our VFD range covers:
- General purpose: 0.4kW–800kW (AD100 to AD1000 series)
- Industrial fan drives (FI110 series)
- Injection molding machine drives (AD800Z)
- Three-level VFDs for 660V/1140V applications
- IP54/IP65 sealed models for harsh environments
- Soft starters: 0.75kW–500kW
Why clients choose us:
✔ 15 years in motor drive manufacturing
✔ In-house R&D — OEM/ODM customization available
✔ IP54/IP65 rated models for desert and coastal conditions
✔ One-stop sourcing — VFDs, soft starters, and accessories
Common applications in your region:
- Agricultural irrigation in remote areas with no grid power
- Community water supply in desert regions
- Livestock watering systems
- Solar-powered borehole pumping
