SUN-35/40/45/50K-G-LV | 35-50KW | Three Phase | 4 MPPT | Low Voltage 127/220Vac

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Item specifice:

Output Power: 35-50kw Inveter Efficiency: 98.3% Output Voltage(V): 220
Input Voltage(V): 550 Output Current(A): 91.9-131.2 Output Frequency: 50/60Hz

Product Description:

Technical Data
Model                                                                               SUN-35K-G02-LV                         
  SUN-45K-G-LV                                SUN-50K-G-LV
Input Side
Max. DC Input Power (kW)45.55258.565
Max. DC Input Voltage (V)800
Start-up DC Input Voltage (V)250
MPPT  Operating Range (V)200~700
Max. DC Input Current (A)30+30+30+3040+40+40+40
Max. Short Circuit Current (A)45+45+45+4560+60+60+60
Number of MPPT / Strings per MPPT4/34/4
Output Side
Rated Output Power (kW)354034550
Max. Active Power (kW)38.54449.555
Nominal Output Voltage / Range (V)3L/N/PE 127/0.85Un-1.1Un,220 /0.85Un-1.1Un (this may vary with grid standards)
Rated Grid Frequency (Hz)60 / 50 (Optional)
Operating PhaseThree phase
Rated AC Grid Output Current (A)91.9104.9118.1131.2
Max. AC Output Current (A)101.1115.5129.9144.4
Output Power Factor0.8 leading to 0.8 lagging
Grid Current THD<3%
DC Injection Current (mA)<0.5%
Grid Frequency Range57~62
Max. Efficiency98.7%
Euro Efficiency98.3%
MPPT Efficiency>99%
DC Reverse-Polarity ProtectionYes
AC Short Circuit ProtectionYes
AC Output Overcurrent ProtectionYes
Output Overvoltage ProtectionYes
Insulation Resistance ProtectionYes
Ground Fault MonitoringYes
Anti-islanding ProtectionYes
Temperature ProtectionYes
Integrated DC SwitchYes
Remote software uploadYes
Remote change of operating parametersYes
Surge protectionDC Type II / AC Type II
General Data
Size (mm)700W×575H×297D
Weight (kg)60
Internal Consumption<1W (Night)
Running Temperature-25~65℃, >45℃ derating
Ingress ProtectionIP65
Noise Emission (Typical)<55 dB
Cooling ConceptSmart cooling
Max. Operating Altitude Without Derating2000m
Warranty5 years
Grid Connection StandardCEI 0-21, VDE-AR-N 4105, NRS 097, IEC 62116, IEC 61727, G99, G98, VDE 0126-1-1, RD 1699, C10-11
Operating Surroundings Humidity0-100%
Safety EMC / StandardIEC/EN 61000-6-1/2/3/4, IEC/EN 62109-1, IEC/EN 62109-2
DC Connection
MC-4 mateable
     AC Connection IP65 rated plug
 LCD 240 × 160

This series inverter is specially designed for 127/220Vac three-phase system, providing rated power at 35KW, 40KW, 45KW, 50KW. Equipped with large LCD and buttons, easy to operate and maintenance.   With compact design and high-power density, this series supports 1.3 DC/AC ratio, saving device investment.

  • 127/220Vac and      60Hz, three phase system

  • 4 MPP      tracker, Max. efficiency up to 98.7%

  • Zero      export application, VSG application

  • String      intelligent monitoring (optional)

  • Wide      output voltage range

  • Type II      DC/AC SPD

  • Anti-PID      function (Optional)

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Q:What are the methods of photovoltaic grid-connected inverter control
Sine wave output inverter control integrated circuits, sine wave output of the inverter, the control circuit can be used microprocessor control, such as INTEL company produced 80C196MC, Motorola produced MP16 and MI-CROCHIP company PIC16C73 and so on, these single-chip microcomputer has a multi-channel PWM generator,
Q:Installation and maintenance of photovoltaic grid - connected inverter
photovoltaic systems Power generation system used in the cable must be connected firmly, good insulation and specifications appropriate.
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?
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: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: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.
Q:The function of photovoltaic grid - connected inverter
By dc / dc conversion to increase or decrease the input voltage, adjust its output to achieve maximum efficiency.
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:How the output voltage of the PV inverter and the grid-connected voltage are determined
due to the higher penetration rate of the car to go out to work or travel can be connected with the inverter battery drive electrical and various tools work. The car inverter output through the cigarette lighter is 20W, 40W, 80W, 120W to 150W power specifications. And then a large number of power inverter power
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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