SUN300/500G3-EU-230 | 300-500W | Single Phase | 1 MPPT | Micro-Inverter | Rapid Shutdown

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Item specifice:

Output Power: 300w-500w Inveter Efficiency: 95% Output Voltage(V): 220
Input Voltage(V): 55 Output Current(A): 1.4-2.4 Output Frequency: 50/60Hz

Product Description:

Technical Data
Model                                                                                                 SUN300G3-US-220                          SUN300G3-EU-230        
Input Data (DC)
Recommended input Power (STC)210~400W (1 Piece)210~600W (1 Piece)
Maximum input DC Voltage60V
MPPT Voltage Range25~55V
Full Load DC Voltage Range (V)24.5~55V40~55V
Max. DC Short Circuit Current19.5A
Max. input Current13A
No.of MPP Trackers1
No.of Strings per MPP Tracker1
Output Data (AC)
Rated output Power300W500W
Rated output Current1.4A1.3A2.3A2.2A
Nominal Voltage / Range (this may vary with   grid standards)220V/0.85Un-1.1Un230V/0.85Un-1.1Un220V/0.85Un-1.1Un230V/0.85Un-1.1Un
Nominal Frequency / Range50 / 60Hz
Extended Frequency / Range45~55Hz / 55~65Hz
Power Factor>0.99
Maximum units per branch1710
CEC Weighted Efficiency95%
Peak Inverter Efficiency96.5%
Static MPPT Efficiency99%
Night Time Power Consumption50mW
Mechanical Data
Ambient Temperature Range-40~65
Size (mm)189W×184H×31.5D (Without   mounting bracket and cable)
Weight (kg)2.15
CoolingNatural cooling
Enclosure Environmental RatingIP67
Compatible with 60~72 cell PV modules
Power line / WIFI / Zigbee
Grid Connection StandardEN50549-1, VDE0126-1-1, VDE 4105, ABNT NBR   16149, ABNT NBR 16150, ABNT NBR 62116, RD1699, UNE 206006 IN, UNE 206007-1   IN, IEEE1547
Safety EMC / Standard                                                                   
UL 1741, IEC62109-1/-2, IEC61000-6-1,   IEC61000-6-3, IEC61000-3-2, IEC61000-3-3
Warranty      10   years
  • Module      level monitoring, safer and smarter

  • 1 unit      for 1 panel, maximize energy from each panel

  • Rapid      shutdown function

  • IP67      protection degree10      years warranty

  • PLC,      Zigbee or WIFI communication

  • 1 MPP      trackers, module level monitoring

The SUN 300-500G3 is new generation grid-tied microinverter with single MPPT, adapting to connect 1pcs PV module. Thanks to the 1 MPP tracker design, ensuring that each PV module can harvest the highest power generation. Viewable panel performance on a PC, tablet or smart phone

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Q:Is the grid side of the grid and the inverter?
Grid-type system power transmission sequence: photovoltaic panels> relays> inverters> relays> electricity load + power grid (both in parallel).
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:Installation and maintenance of photovoltaic grid - connected inverter
, any failure that affects the safety performance of the inverter must be immediately removed before turning on the inverter again.
Q:Generally a large grid-connected photovoltaic power plant will have several inverters
Group is the use of a number of grid-connected inverter and grid-connected AC power grid, the advantage is the loss of small, low cost of the cable (because the PV cable is more expensive), eliminating the cost of the convergence box, and multiple
Q:Three-phase photovoltaic inverter grid, the use of phase-locked loop is what?
Grid-connected inverter can be operated locally through the LCD screen, or through remote monitoring with dedicated monitoring software.
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: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:PV grid-connected inverter can directly load it?
Converter is the AC voltage of the grid into a stable 12V DC output, and the inverter is the AC output of the 12V DC voltage into high-frequency high-voltage alternating current; two parts are also used with more pulse width
Q:What is the difference between a PV inverter and a solar inverter?
The main component of the inverter is the three-phase bridge converter. The main purpose of the grid-connected inverter is to change the power to DC and change the AC power. The main purpose is to improve the power quality (because the wind power generation is very large
Q:Is the PV inverter a current source or a voltage source?
Inverter is a kind of semiconductor device composed of power adjustment device, mainly used for DC power into AC power.

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