Products

Setec Pump Inverters

Brief introduction:

Solar pumping system is composed of a solar array,a pump and a solar pumping inverter. Based on the design philosophy that

it is better to store water than electricity , there is no energy storing device such as storebattery in the system. The solar array,an

aggregation of many solar modules connected in series and parallel ,  absorbs sunlight radiation and converts it into electrical

energy , providing dynamical water for the whole system. The pumping inverter controls and adjusts the system  operation and

converts  the  DC produced  by  solar array  into  AC  to drive the pump ,  and adjust  the output  frequency  intensity to realize the

maximumpower point tracking (MPPT) . The pump, drive by 3-phase AC motor,can draw water fromthe deep wells or rivers and

lakes to pour  into the storage tank or reservoir , or directly connect to the irrigation system ,fountain system,ect. According to the

actual systemdemand and installation conditions,different types of pump such as centrifugal pump, axial flow pump,mixed-flow

pump or deep-well pump can be used.

 

Main feature:

•Adopting the proposed dynamic VI maximum power point tracking (MPPT) control method ; Fast response speed and stable
operation; Better than the conventional methods which may lead to the problems including poor tracking performance,unstable
operation or even damaging water hammer effects when the irradiation on the array change rapidly.
•Digital control with full automatic running, data storage and complete protective functions (overload, over voltage,under voltage,

over heat, reverse polarity, thunder, over flow and dry running).
•The main circuit adopts intelligent power module (IPM), with high reliability and high efficiency 98%.
•Unique design of aluminum alloy with good cooling and shielding , LCD display (43*29mm) and keys , easy operation , good

view through LCD when setting parameter, feel comfortable.
•Protection degree IP41,working temperature: -10~+50℃
•Inverter connects to city power when there is no sunshine to keep system pumping water is available (optional).
•Low voltage drive device is our patent right product, can be used in small solar pumping system to save the quantity  of solar

panels.

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