Products / Services : Yueqing Seven Stars Import And Export Co. , Ltd.

Product Detail Transaction History () Report Suspicious Activity Application figureOverviewSystemDetail of inverterProduct picturePacking pictureFAQcorporate visionQuick Details Place of Origin: Zhejiang, China (Mainland) Brand Name: 7trade Model Number: A22KH-25HP Specification: Normal Application: Home Output Voltage (V): 380V three phase Load Power (W): 22kw Solar Power (W): 29.75KW Work Time (h): follows sunshine time MPPT voltage range: 430-650V DC Max. MPPT efficiency: 99% purpose: water purifying, irrigation,fountain,pool Packaging & Delivery Packaging Details: standard export plywood case. Delivery Detail: 15-20days Specifications three phase solar pump system for daily water supply/greenhouse/sea water desalination etc. AC 22KW solar water pump irrigation system Application figure Overview System Structure: The solar pumping system mainly consists of PV modules, solar pumping inverter and pumps. Principle of Operation The PV modules supply electricity to inverter. The inverters DC into AC to drive pump according to the intensity of sunshine. Application: 3Ph solar pumping inverter can convert DC into AC to run pumps, and control the system operation, suitable for all kinds of 3-Ph motors. More solar system used for irrigation system/swimming pool/daily water supply/water supply for live stock/greenhouse/fountain system/ sea water desalination/barren hills/fish pond/desert seed/forestation green turn/ water purifying. Advantage: Auto-operation, labor free Power ratio of panel: inverter: pump min.: 1.5:1:1, superior economy Modular design, easy to maintain Battery less Soft starting, protect pump from damage High efficiency Protection from over-voltage, under-voltage, over-current, overload

This solar controller is specially designed for off-grid solar generation system. The equipment could control solar cells charging to battery safely and efficiently.

System Structure: The solar pumping system mainly consists of PV modules, solar pumping inverter and pumps. Principle of Operation The PV modules supply electricity to inverter. The inverters DC into AC to drive pump according to the intensity of sunshine. Application: 3Ph solar pumping inverter can convert DC into AC to run pumps, and control the system operation, suitable for all kinds of 3-Ph motors. More solar system used for irrigation system/swimming pool/daily water supply/water supply for live stock/greenhouse/fountain system/ sea water desalination/barren hills/fish pond/desert seed/forestation green turn/ water purifying. Advantage: Auto-operation, labor free Power ratio of panel: inverter: pump min.: 1.5:1:1, superior economy Modular design, easy to maintain Battery less Soft starting, protect pump from damage High efficiency Protection from over-voltage, under-voltage, over-current, overload

Non stock energy solar pumping inverter System Structure of Non stock energy solar pumping inverter The solar pumping system mainly consists of PV modules, solar pumping inverter and pumps. Principle of Operation The PV modules supply electricity to inverter. The inverters DC into AC to drive pump according to the intensity of sunshine.

System Structure: The solar pumping system mainly consists of PV modules, solar pumping inverter and pumps. Principle of Operation The PV modules supply electricity to inverter. The inverters DC into AC to drive pump according to the intensity of sunshine. Application: 3Ph solar pumping inverter can convert DC into AC to run pumps, and control the system operation, suitable for all kinds of 3-Ph motors. More solar system used for irrigation system/swimming pool/daily water supply/water supply for live stock/greenhouse/fountain system/ sea water desalination/barren hills/fish pond/desert seed/forestation green turn/ water purifying. Advantage: Auto-operation, labor free Power ratio of panel: inverter: pump min.: 1.5:1:1, superior economy Modular design, easy to maintain Battery less Soft starting, protect pump from damage High efficiency Protection from over-voltage, under-voltage, over-current, overload

Solar pumping system for sea water desalination System Structure of Solar pumping system for sea water desalination The solar pumping system mainly consists of PV modules, solar pumping inverter and pumps. Principle of Operation The PV modules supply electricity to inverter. The inverters DC into AC to drive pump according to the intensity of sunshine.

System Structure: The solar pumping system mainly consists of PV modules, solar pumping inverter and pumps. Principle of Operation The PV modules supply electricity to inverter. The inverters DC into AC to drive pump according to the intensity of sunshine. Application: 3Ph solar pumping inverter can convert DC into AC to run pumps, and control the system operation, suitable for all kinds of 3-Ph motors. More solar system used for irrigation system/swimming pool/daily water supply/water supply for live stock/greenhouse/fountain system/ sea water desalination/barren hills/fish pond/desert seed/forestation green turn/ water purifying. Advantage: Auto-operation, labor free Power ratio of panel: inverter: pump min.: 1.5:1:1, superior economy Modular design, easy to maintain Battery less Soft starting, protect pump from damage High efficiency Protection from over-voltage, under-voltage, over-current, overload

Solar no battery pumping system for three phase motor System Structure of Solar no battery pumping system for three phase motor The solar pumping system mainly consists of PV modules, solar pumping inverter and pumps. Principle of Operation The PV modules supply electricity to inverter. The inverters DC into AC to drive pump according to the intensity of sunshine

System Structure: The solar pumping system mainly consists of PV modules, solar pumping inverter and pumps. Principle of Operation The PV modules supply electricity to inverter. The inverters DC into AC to drive pump according to the intensity of sunshine. Application: 3Ph solar pumping inverter can convert DC into AC to run pumps, and control the system operation, suitable for all kinds of 3-Ph motors. More solar system used for irrigation system/swimming pool/daily water supply/water supply for live stock/greenhouse/fountain system/ sea water desalination/barren hills/fish pond/desert seed/forestation green turn/ water purifying. Advantage: Auto-operation, labor free Power ratio of panel: inverter: pump min.: 1.5:1:1, superior economy Modular design, easy to maintain Battery less Soft starting, protect pump from damage High efficiency Protection from over-voltage, under-voltage, over-current, overload

1) It is featured with unique front and back double soft starting technology. 2) Adoption of CPU core SPWM control technology. 3) Unique constant power technology. 4) MOS transistor is available for anti-reverse wiring. 5) Front and back full isolation technology. 6) Perfect and powerful protection functions against faults or failures (undervoltage, overvoltage, overload, overheat, overtemperature, referse polarity wiring, short circuit, battery over-discharge, etc), with alarm and automatic recovery functions. 7) Safe and vibration proof. 8) It does not affect the working life of electrical equipment. 9) Small size, light weight, environmental friendly, elegant appearance. 10) Wide applications: Railway power generation, industrial control, communications exchange

System Structure: The solar pumping system mainly consists of PV modules, solar pumping inverter and pumps. Principle of Operation The PV modules supply electricity to inverter. The inverters DC into AC to drive pump according to the intensity of sunshine. Application: 3Ph solar pumping inverter can convert DC into AC to run pumps, and control the system operation, suitable for all kinds of 3-Ph motors. More solar system used for irrigation system/swimming pool/daily water supply/water supply for live stock/greenhouse/fountain system/ sea water desalination/barren hills/fish pond/desert seed/forestation green turn/ water purifying. Advantage: Auto-operation, labor free Power ratio of panel: inverter: pump min.: 1.5:1:1, superior economy Modular design, easy to maintain Battery less Soft starting, protect pump from damage High efficiency Protection from over-voltage, under-voltage, over-current, overload

GTI Series Micro Inverter can effectively prevent rainwater on the surface erosion, Built-in high-performance Maximum Power Point Tracking(MPPT)Function,Better able to track changes in the solar luminosity and control different output power.

System Structure: The solar pumping system mainly consists of PV modules, solar pumping inverter and pumps. Principle of Operation The PV modules supply electricity to inverter. The inverters DC into AC to drive pump according to the intensity of sunshine. Application: 3Ph solar pumping inverter can convert DC into AC to run pumps, and control the system operation, suitable for all kinds of 3-Ph motors. More solar system used for irrigation system/swimming pool/daily water supply/water supply for live stock/greenhouse/fountain system/ sea water desalination/barren hills/fish pond/desert seed/forestation green turn/ water purifying. Advantage: Auto-operation, labor free Power ratio of panel: inverter: pump min.: 1.5:1:1, superior economy Modular design, easy to maintain Battery less Soft starting, protect pump from damage High efficiency Protection from over-voltage, under-voltage, over-current, overload

barren hills irrigation PV panel pumping system System Structure of barren hills irrigation PV panel pumping system The solar pumping system mainly consists of PV modules, solar pumping inverter and pumps. Principle of Operation The PV modules supply electricity to inverter. The inverters DC into AC to drive pump according to the intensity of sunshine.

System Structure: The solar pumping system mainly consists of PV modules, solar pumping inverter and pumps. Principle of Operation The PV modules supply electricity to inverter. The inverters DC into AC to drive pump according to the intensity of sunshine. Application: 3Ph solar pumping inverter can convert DC into AC to run pumps, and control the system operation, suitable for all kinds of 3-Ph motors. More solar system used for irrigation system/swimming pool/daily water supply/water supply for live stock/greenhouse/fountain system/ sea water desalination/barren hills/fish pond/desert seed/forestation green turn/ water purifying. Advantage: Auto-operation, labor free Power ratio of panel: inverter: pump min.: 1.5:1:1, superior economy Modular design, easy to maintain Battery less Soft starting, protect pump from damage High efficiency Protection from over-voltage, under-voltage, over-current, overload

System Structure: The solar pumping system mainly consists of PV modules, solar pumping inverter and pumps. Principle of Operation The PV modules supply electricity to inverter. The inverters DC into AC to drive pump according to the intensity of sunshine. Application: 3Ph solar pumping inverter can convert DC into AC to run pumps, and control the system operation, suitable for all kinds of 3-Ph motors. More solar system used for irrigation system/swimming pool/daily water supply/water supply for live stock/greenhouse/fountain system/ sea water desalination/barren hills/fish pond/desert seed/forestation green turn/ water purifying. Advantage: Auto-operation, labor free Power ratio of panel: inverter: pump min.: 1.5:1:1, superior economy Modular design, easy to maintain Battery less Soft starting, protect pump from damage High efficiency Protection from over-voltage, under-voltage, over-current, overload

System Structure: The solar pumping system mainly consists of PV modules, solar pumping inverter and pumps. Principle of Operation The PV modules supply electricity to inverter. The inverters DC into AC to drive pump according to the intensity of sunshine. Application: 3Ph solar pumping inverter can convert DC into AC to run pumps, and control the system operation, suitable for all kinds of 3-Ph motors. More solar system used for irrigation system/swimming pool/daily water supply/water supply for live stock/greenhouse/fountain system/ sea water desalination/barren hills/fish pond/desert seed/forestation green turn/ water purifying. Advantage: Auto-operation, labor free Power ratio of panel: inverter: pump min.: 1.5:1:1, superior economy Modular design, easy to maintain Battery less Soft starting, protect pump from damage High efficiency Protection from over-voltage, under-voltage, over-current, overload

1.daily water supply 2.greenhouse 3.sea water desalination 4.desert seed

Principle of Operation The PV modules supply electricity to inverter. The inverters DC into AC to drive pump according to the intensity of sunshine. Application: 3Ph solar pumping inverter can convert DC into AC to run pumps, and control the system operation, suitable for all kinds of 3-Ph motors. More solar system used for irrigation system/swimming pool/daily water supply/water supply for live stock/greenhouse/fountain system/ sea water desalination/barren hills/fish pond/desert seed/forestation green turn/ water purifying. Advantage: Auto-operation, labor free Power ratio of panel: inverter: pump min.: 1.5:1:1, superior economy Modular design, easy to maintain Battery less Soft starting, protect pump from damage High efficiency Protection from over-voltage, under-voltage, over-current, overload

System Structure: The solar pumping system mainly consists of PV modules, solar pumping inverter and pumps. Principle of Operation The PV modules supply electricity to inverter. The inverters DC into AC to drive pump according to the intensity of sunshine. Application: 3Ph solar pumping inverter can convert DC into AC to run pumps, and control the system operation, suitable for all kinds of 3-Ph motors. More solar system used for irrigation system/swimming pool/daily water supply/water supply for live stock/greenhouse/fountain system/ sea water desalination/barren hills/fish pond/desert seed/forestation green turn/ water purifying. Advantage: Auto-operation, labor free Power ratio of panel: inverter: pump min.: 1.5:1:1, superior economy Modular design, easy to maintain Battery less Soft starting, protect pump from damage High efficiency Protection from over-voltage, under-voltage, over-current, overload

Solar water pumping system is composed of solar panel array, solar pump inverter and AC water pump. DC current produced by solar panel will be delivered to solar pump inverter, which converts the DC current into AC current to drive water pump, and will automatically regulate output frequency according to solar radiation intensity, maximally realize MPPT tracking function.

System Structure: The solar pumping system mainly consists of PV modules, solar pumping inverter and pumps. Principle of Operation The PV modules supply electricity to inverter. The inverters DC into AC to drive pump according to the intensity of sunshine. Application: 3Ph solar pumping inverter can convert DC into AC to run pumps, and control the system operation, suitable for all kinds of 3-Ph motors. More solar system used for irrigation system/swimming pool/daily water supply/water supply for live stock/greenhouse/fountain system/ sea water desalination/barren hills/fish pond/desert seed/forestation green turn/ water purifying. Advantage: Auto-operation, labor free Power ratio of panel: inverter: pump min.: 1.5:1:1, superior economy Modular design, easy to maintain Battery less Soft starting, protect pump from damage High efficiency Protection from over-voltage, under-voltage, over-current, overload

System Structure: The Solar water pumping system for agriculture mainly consists of PV modules, solar pumping inverter and pumps. Principle of Operation The PV modules supply electricity to inverter. The inverters DC into AC to drive pump according to the intensity of sunshine. Application: 3Ph solar pumping inverter can convert DC into AC to run pumps, and control the system operation, suitable for all kinds of 3-Ph motors. More solar system used for irrigation system/swimming pool/daily water supply/water supply for live stock/greenhouse/fountain system/ sea water desalination/barren hills/fish pond/desert seed/forestation green turn/ water purifying. Advantage: Auto-operation, labor free Power ratio of panel: inverter: pump min.: 1.5:1:1, superior economy Modular design, easy to maintain Battery less Soft starting, protect pump from damage High efficiency Protection from over-voltage, under-voltage, over-current, overload

We are leading Manufacturing and supplier of LED lighting, LED lamp, solar inverter etc.

1.Low MOQ, fast delivery time, long service life 2.Advanced technology, strict quality control system 3.CE, ROHS, TUV approved

1.Enphase Micro Inverter 2.High-efficiency MPPT arithmetic 3.Low construction cost 4.Power line communication

20HP solar water pumping system for farm irrigation

System Structure: The solar pumping system mainly consists of PV modules, solar pumping inverter and pumps. Principle of Operation The PV modules supply electricity to inverter. The inverters DC into AC to drive pump according to the intensity of sunshine. Application: 3Ph solar pumping inverter can convert DC into AC to run pumps, and control the system operation, suitable for all kinds of 3-Ph motors. More solar system used for irrigation system/swimming pool/daily water supply/water supply for live stock/greenhouse/fountain system/ sea water desalination/barren hills/fish pond/desert seed/forestation green turn/ water purifying. Advantage: Auto-operation, labor free Power ratio of panel: inverter: pump min.: 1.5:1:1, superior economy Modular design, easy to maintain Battery less Soft starting, protect pump from damage High efficiency Protection from over-voltage, under-voltage, over-current, overload

System Structure: The solar pumping system mainly consists of PV modules, solar pumping inverter and pumps. Principle of Operation The PV modules supply electricity to inverter. The inverters DC into AC to drive pump according to the intensity of sunshine. Application: 3Ph solar pumping inverter can convert DC into AC to run pumps, and control the system operation, suitable for all kinds of 3-Ph motors. More solar system used for irrigation system/swimming pool/daily water supply/water supply for live stock/greenhouse/fountain system/ sea water desalination/barren hills/fish pond/desert seed/forestation green turn/ water purifying. Advantage: Auto-operation, labor free Power ratio of panel: inverter: pump min.: 1.5:1:1, superior economy Modular design, easy to maintain Battery less Soft starting, protect pump from damage High efficiency Protection from over-voltage, under-voltage, over-current, overload

System Structure: The solar pumping system mainly consists of PV modules, solar pumping inverter and pumps. Principle of Operation The PV modules supply electricity to inverter. The inverters DC into AC to drive pump according to the intensity of sunshine. Application: 3Ph solar pumping inverter can convert DC into AC to run pumps, and control the system operation, suitable for all kinds of 3-Ph motors. More solar system used for irrigation system/swimming pool/daily water supply/water supply for live stock/greenhouse/fountain system/ sea water desalination/barren hills/fish pond/desert seed/forestation green turn/ water purifying. Advantage: Auto-operation, labor free Power ratio of panel: inverter: pump min.: 1.5:1:1, superior economy Modular design, easy to maintain Battery less Soft starting, protect pump from damage High efficiency Protection from over-voltage, under-voltage, over-current, overload