-
0304-2026
What Happens When the Solar Panel Short-Circuit Current (Isc) Exceeds the Solar Pump Inverter’s Max Input Current?
When solar panel Isc exceeds your pump inverter's max input current, the unit won't burn out immediately. Instead, it triggers current limiting and clipping, causing energy loss during peak sun hours. Learn how ZK INVERTER's MPPT and overload protection handle over-rating safely.
-
1102-2026
Which countries offer subsidies for solar water pumps? How can distributors benefit?
Solar pump subsidies in India, USA, Australia, Uganda, Kenya, etc., boost market growth. ZK inverters support stable operation in low light and help distributors win projects with high efficiency and reliable performance, turning subsidies into sales accelerators.
-
1102-2026
How do solar pump inverters ensure stable water supply on cloudy days?
With the increasing demand for global water resource management and agricultural modernization, the ZK300 series supports multi-mode intelligent operation and can automatically switch between strategies such as "water storage priority" and "on-demand water supply". Combined with the linkage control of water storage tanks, it can increase the water supply time on cloudy days by more than 40%. It has been successfully applied to agricultural irrigation and rural drinking water projects.
-
0602-2026
Application of frequency converters in the shipping industry
Electric cargo ships equipped with ZK300 series high-performance engineering frequency converters have been in operation for several days. Their adoption of new straight-wing propulsion technology and a diesel-electric hybrid power system marks a new stage in shipping: "green, efficient, and intelligent."
-
2201-2026
SD300 Series VFD for Outdoor Pumps
-
2001-2026
FS200 Series Intelligent Pump AC Drive
-
1710-2025
Analysis of the Global Photovoltaic Market Status in 2025 and Outlook for 2030
In 2024, the world's major photovoltaic module-demanding countries generally encountered challenges such as weak economic performance, limited grid absorption capacity and tariff barriers, causing the photovoltaic market to enter a stage of slowing growth from that year.
-
1710-2025
A brief history of global photovoltaic development
The term "solar photovoltaic" has become familiar to many people today. What we commonly refer to as solar power generation is actually solar photovoltaic power generation, or "photovoltaic" for short. Photovoltaic power generation is a technology that uses the photovoltaic effect at the interface of semiconductors to directly convert sunlight into electrical energy.
-
2208-2025
Application of frequency converter PID control function in constant pressure water supply
Intelligent VFDs with PID control revolutionize water supply, ensuring constant pressure, cutting energy use by 30-50%, and enabling smarter, automated water management for a sustainable future.
-
1808-2025
Intelligent frequency conversion revolutionizes solar water pumps
As the demand for clean energy grows, inverters empower solar water pumps through MPPT technology, achieving soft start and stop, intelligent speed regulation and on-demand water supply, increasing efficiency by over 30%, helping to make agricultural irrigation intelligent and providing key support for off-grid areas.




