PV Inverter Sunmax D 3000/4000/5000

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Loading Port:
Shanghai
Payment Terms:
TT OR LC
Min Order Qty:
5 watt
Supply Capability:
3000 watt/month

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Product Description:

The Sunmax D 3000/4000/5000 series are applicable to rooftop installation and small scale photovoltaic grid-connected power plants. Their rated output powers are 3 kW, 4kW, 5 kW respectively. This series are transformer-less in design and have a wide range of MPPT voltage. Their maximum conversion efficiency and MPPT tracking accuracy reaches 97.6 % and 99.5 % respectively. The maximum DC voltage reaches 580 V. The series have dual MPPT trackers, providing maximum flexibility for solar plants. The series adopts the latest technology, supports reactive power adjustable and meets the VDE-AR-N 4105 standard.

Characteristics

Dual MPPT with tracking efficiency over 99.9%

Supporting reactive power adjustable

Unit noise less than 30Db

Current harmonic less than 3%

Design features:

Allows access to third party monitoring system: Solar-log, Solar –man, Taoke, etc.

Equipped with active / inactive way to adjust the design instruction

Single / dual MPPT design

IP65 protection class to meet outdoor installation requirements

Transformer-less design

Units have built-in leakage current monitoring devices

Suspension design, installation is simple

Man-machine interface (LCD) in English, Italian, German languages

Man-machine interface (LCD) regulation parameters can be set making installation easy

Total digital design.


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Q:Is the grid side of the grid and the inverter?
The grid load side of the grid is the grid. The inverter is an important part of the PV grid-connected system and can not be regarded as an external load. Photovoltaic power generation system is included in both grid and off-grid.
Q:What is the difference between low voltage grid connection and medium voltage grid connection?
When the power grid failure or disturbance caused by the power supply and network voltage drop, in the voltage drop range, the power group can be uninterrupted through the inverter and network operation.
Q:Is the PV inverter a current source or a voltage source?
The inverter is mainly composed of a switching element such as a transistor, and turns the DC input into an AC output by repeatedly turning ON-OFF the switching element in a regular manner.
Q:PV grid-connected inverter can directly load it?
Grid-connected inverter is usually equipped with island protection function, can only receive the power grid, if the load directly, the output is disconnected.
Q:The function of photovoltaic grid - connected inverter
Finally, a sinusoidal AC output for a grid-connected photovoltaic power generation system is generated by a low-pass filter.
Q:Solar grid inverter does not merge into the grid, direct access to the load to the load power supply?
The solar grid-connected inverter is not connected to the grid and can not be directly connected to the load to supply power to the load because there is no voltage.
Q:What is the PV inverter starting voltage
The inverter not only has the function of direct current conversion, but also has the function of maximizing the performance of the solar cell and the system fault protection function. (With grid system), automatic voltage adjustment function (for network connection), DC detection function (for network connection), DC grounding detection (for network connection), automatic power control function Function (for grid connection). Here is a brief introduction to automatic operation and shutdown function and maximum power tracking control function.
Q:Photovoltaic grid-connected inverter without DC emc how will happen
Solar photovoltaic power generation technology is the use of solar cells, the photovoltaic effect of semiconductor materials, solar radiation can be directly converted into a new type of power generation system, solar energy is a radiant energy, solar power means --- to direct conversion of sunlight Into electricity,
Q:Photovoltaic grid-connected inverter problem
But Baidu Encyclopedia clearly pointed out: the zero line is the secondary side of the transformer leads the neutral point of the line, and the phase line constitutes a circuit for power supply equipment.
Q:In a photovoltaic grid-connected project, the role of the inverter is to convert the voltage into AC 220V or 380V for the grid, since the transformer will raise the voltage again
Self-use, do you mean off-grid system? Or else? Europe and Sweden side of the grid project electricity situation is also self-use? If not for their own use or spontaneous use is not used up, sent to other places electricity, you need a transformer?

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