
Zhejiang Wasinex Intelligent Technology Co., Ltd. committed to energy conservation and industrial automation control technologies, also dedicated to R&D, manufacturing and sales of Variable frequency drive inverter, permanent magnet DC variable frequency water pump, VFD water pump, water pump pressure controller, servo system, motor and Internet of Things (IoT). [pdf]
VEICHI SI series solar water pump inverter is a high-efficiency solar water pump controller which can make full use of solar energy to drive water pumps for agricultural irrigation, water supply system, fountains, ground water lowering and etc.
SI22 solar water pump inverter is cost-effective and economical, small and exquisite, palm-sized, greatly saving installation space and transportation costs. Solar pumping system converts solar energy directly into electric energy, and then drives motors to drive water pumps to pump water from deep wells, rivers, lakes and other water sources.
With modular design and IP65 protection, VEICHI SI30 solar water pump inverter is highly praised by customers. SI22 solar water pump inverter is cost-effective and economical, small and exquisite, palm-sized, greatly saving installation space and transportation costs.
As a pioneer in the submersible pumps, Tsurumi is contributing to the people all over the world by supplying the products that always support people's lives such as submersible pumps for wastewater and construction, centrifugal pumps, vacuum pumps, and water treatment equipment, etc. and also by offering technologies that control and protect water.
Whatever the customer requires, our service staff will give him a satisfactory solution within 24 hours. Shanghai Weihu Pump Co., Ltd. is one of the large scale manufacturers in China that design, manufacture and sell water pumps and control cabinets. Weihu Pump is the first grade enterprise of Chinese Ministry of Agriculture.
We make VSD inverters especially for water pump, they have better performance, better... April 30, 2022 - May 4, 2022 May Day holiday for 5 days, May 5, 2022 to resume work, thank you! Zhejiang Wasinex Intelligent Technology Co., Ltd. will participate in the Shanghai International Pump and Valve Exhibition fr...

Solar pump system consists of four parts: solar panels, solar pumping inverter, three-phase AC pump and water storage device, The solar pump inverter converts DC power produced by solar panels to AC power which drives AC pump to pump water from borehole, river, lake etc. to the storage device.The inverter applies high efficiency MPPT algorithm to maximize power harvested from solar panels. [pdf]
All-compatible ACQ80 solar pump drives enhance the methodology of water pumping by putting the sun to work for all water pumping needs. From dawn to dusk, the drive operates without energy costs easily and safely, keeping CO₂ emissions to zero.
ABB solar pump drive is an innovative solution that uses solar power as a clean energy source for pumping water. All-compatible ACQ80 solar pump drives enhance the methodology of water pumping by putting the sun to work for all water pumping needs.
The solution is to use solar power as the submersible pump's power supply. Combining a photovoltaic system and a submersible pump provides a cost-effective, reliably operating and autonomous system for efficient irrigation in agricultureand livestockfarming.
The solution here is once again a raw water intake from boreholes. In this context, the Wilo-Actun OPTI submers-ible pump guarantees optimum water supply in any weath-er thanks to its high motor and hydraulics efficiency as well as dynamic Maximum Power Point Tracking (MPPT).
ACQ80 delivers reliable operation, using sustainable energy for efficient pumping. Designed to operate on solar power, making it independent of the grid and producing no pollution or noise. Best-in-class Maximum Power Point Tracking with cloud detection ensures continuous water pumping, even in low sunlight.
Recognized for its sustainability and efficiency, ACQ80 is part of the Solar Impulse Foundation’s #1000solutions challenge. Dry-run protection and extensive warnings based on external signals and internal monitoring provide reliable operations of the pump. ACQ80's solar-powered operation offers exceptional energy savings.

Commutation failure is the most common disturbance in thyristor converters during inverter operation which can be triggered by different kinds of faults either the external faults (symmetrical or asymmetrical faults in the AC side, or the DC link to ground fault at the DC link side) [4] or by the internal faults such misfiring control or fault at the valves [5], the AC fault at sending end of the inverter can also leads to commutation failures. [pdf]
With the increasing applications of high-voltage direct current inverters in heavy-load grids, commutation failures (CFs) pose a severe threat to the safe and stable operation of power systems. This study first sorts methods of CF inhibition into different categories and then investigates their effectiveness, adaptability and limitations.
Inverter commutation failures (CFs) in LCC-HVDC systems can cause severe sending-end voltage fluctuations. However, owing to the reliance of analysis methods on average-concept-based power quantities, the transient behavior of the sending-end voltage during inverter CFs remains elusive, hindering the advancement of its suppression strategy.
Introduction Line-commutated converter-based high voltage direct current (LCC-HVDC) technology has been widely used because of advantages such as lower transmission losses and bulk power transmission . However, commutation failure is one of the most common inverter failures in the LCC-HVDC systems.
Simulation results demonstrate the correct analysis and effective suppression method. Inverter commutation failures (CFs) in LCC-HVDC systems can cause severe sending-end voltage fluctuations.
1. Introduction With the advantages of low power loss, large transmission capacity and flexible power regulation, line-commutated converter-based high-voltage direct current (LCC-HVDC) transmission systems have been widely used in cross-regional power transmission and renewable energy integration [, , ].
Capacitor-commutated converters can make the commutation progress easier and faster with the help of capacitors in block A . However, the capacitors result in additional reactive power consumption, harmonics and overvoltage issues that should be eliminated by additional filters and lightning arresters .

This is the 25kwh battery stacked lithium LiFePO4 type with 5 battery layers and one off grid solar inverter on the top layer, each battery pack has a 5KWh capacity, you can also expand the battery to a larger capacity, and the 25kwh battery can support a parallel connection with a maximum of 15 units. 25kwh battery pack is compact in size and home appliance appearance design, suitable for residential and small commercial solar power system, power backups, and UPS power. [pdf]

The HC1000W series is a water-cooled high-voltage inverter designed for ultra-high power loads, which can achieve a strong output of up to 60MW, and at the same time integrates long-life components with redundant fault-tolerant technology, adopts thin film capacitors, low voltage ride-through and other designs to comprehensively improve reliability, and can provide reliable high-voltage variable frequency drive solutions for equipment in the range of 5-60MW to ensure stable operation of loads for more than 30 years. [pdf]
We are committed to excellence in solar power plants and energy storage solutions.
With complete control over our manufacturing process, we ensure the highest quality standards in every solar system and energy storage cabinet we deliver.