solar pump inverter CE LCD display with MPPT function three(3)phase AC (0.5KW-55KW)

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On grid solar pump inverter (0.5KW-55KW) 
10 years expert in solar products 
Competive price with good quality 

Product Description:

Solar water pumping system is constructed with solar panel array,solar pump inverter and AC water pump, DC current produced from solar panel,then delivered to solar pump inverter,and it will convert it into AC current to drive water pump,and will automatically regulate output frequency according to sun radiance intensity,maximally realize MPPT tracking function.

Product Features:

1. Adopting the proposed dynamic VI maximum power point tracking (MPPT) control method, with fast response, and reliable operation, achieves efficiency of 99%.

 

2.Designed with variable frequency driver, greatly improves efficiency.


3.Extremely high efficiency.


4.Digital mode control, with automatic operation and manual operation mode options.


5.Complete protection functions.


6.Adopts intelligent IPM module, with high reliability.


7.LCD display and operation panel, in real time presents operating data.


8.Optional for water level measurement and control circuit.


9.Applicable for general ACC pumps, like centrifugal pump, piston pump etc.

 

10.Independent intellectual property; Highly effective, the redundant reliability, exempts the maintenance and the long life.


11.The pumps are soft started, fully protected.


12.No batteries are used. So better Sunlight, more water.

solar pump inverter  CE LCD display with MPPT function three(3)phase AC (0.5KW-55KW)

solar pump inverter  CE LCD display with MPPT function three(3)phase AC (0.5KW-55KW)

solar pump inverter  CE LCD display with MPPT function three(3)phase AC (0.5KW-55KW)

solar pump inverter  CE LCD display with MPPT function three(3)phase AC (0.5KW-55KW)


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Q:Three-phase photovoltaic inverter grid, the use of phase-locked loop is what?
In addition to the function of converting DC current into alternating current, the inverter also has the maximum output tracking function (MPPT), overvoltage protection, short circuit protection, island protection, overheat protection, overload protection and DC grounding
Q:The working principle of photovoltaic grid - connected inverter
In the small-capacity inverter generally push-pull inverter circuit, full-bridge inverter circuit and high-frequency step-up inverter circuit three, push-pull circuit, the step-up transformer neutral plug connected to the positive power supply, two power Alternating current, the output to get AC power, due to the power transistor to ground, drive and control circuit is simple, and because the transformer has a certain leakage inductance, can limit the short circuit current, thus improving the reliability of the circuit. The disadvantage is the low utilization of the transformer, driving the emotional load is poor.
Q:Photovoltaic grid-connected inverter problem
The first zero line is the AC output. Any AC output of the inverter will have zero line, whether it is isolated or non-isolated. Isolation is the safety of high voltage inverters and regulators. 50KW above the inverter almost with the transformer.
Q:How the output voltage of the PV inverter and the grid-connected voltage are determined
DC voltage and AC side voltage does not matter, the general PV inverter AC output is 400V / N / PE. With no isolation transformer and output voltage does not matter, grid-connected inverter is the regulation of current, and network voltage depends on the grid voltage. And the grid before the inverter will detect the grid voltage, meet the conditions will be network.
Q:Generally a large grid-connected photovoltaic power plant will have several inverters
The use of a high-power grid-connected inverter into the grid, the need for line design is relatively simple, because the DC and AC lines are separated, the use of convergence box to summarize, DC bus and then into the grid inverter
Q:What is the difference between low voltage grid connection and medium voltage grid connection?
Have a low pressure through the function set, low pressure through the scope of the project requirements, grid and network requirements and the actual situation of the design), low voltage grid to pass the voltage range is less than the medium pressure, parameter settings are not sensitive and complex.
Q:What are the methods of photovoltaic grid-connected inverter control
and can set the dead time between the upper and lower arms, the use of INTEL 80C196MC to achieve sine wave output circuit, 80C196MC to complete the sine wave signal, AC output voltage, to achieve regulation. Circuit output generally use LC circuit filter high frequency wave, get pure sine wave.
Q:PV grid-connected inverter can directly load it?
Grid-connected inverter is like a car file, he first detects the grid waveform, can not detect not boot, and then the PV DC modulation and consistent with the grid waveform, and then hang up.
Q:Grid-connected inverter is generally divided into photovoltaic power generation grid-connected inverter, wind power grid-connected inverter, power equipment and grid-connected inverter and other power generation equipment power generation inverter.
The grid inverter is a current source, the output voltage is basically the grid voltage, may be slightly raised.
Q:What is the difference between a grid-connected inverter and an off-grid inverter? What are the advantages of a hybrid inverter?
Off-grid inverter is equivalent to their own to establish an independent small power grid, mainly to control their own voltage, is a voltage source.

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