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:

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)

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-1.1Un220 /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%< span="">
DC Injection Current (mA)<0.5%< span="">
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
    AC Connection Display
MC-4 mateable
    IP65 rated plug LCD 240 × 160
AC   ConnectionIP65 rated plug
DisplayLCD 240 × 160

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Q:Is the grid side of the grid and the inverter?
Off-grid system power transmission sequence: photovoltaic panels> relays> inverters> relays> electricity load;
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:After the PV inverter, how to achieve the same period before the network?
It can automatically detect the generator and the grid frequency and voltage, in the frequency, voltage, phase are in line with the requirements of the grid to set the time before the release of the closing signal, so that it can be safely and securely connected.
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 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 PV grid-connected inverter and an off-grid 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:What is the difference between low voltage grid connection and medium voltage grid connection?
The difference is that the current at low voltage and the grid is large, the current is small when the voltage is small, followed by the low voltage crossing parameter setting problem (such as PV inverter integrated with inverter and low voltage crossing function, not all photovoltaic inverter
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:What is the difference between a PV inverter and a solar inverter?
Instability, the wind speed and the equipment itself will directly affect the generator rotation, so the voltage and current fluctuations, frequency instability, in short, is the power quality is poor) Therefore, through the inverter after the first rectification inverter to improve the quality of power
Q:Is the PV inverter a current source or a voltage source?
Photovoltaic inverter, also known as power regulator, according to the inverter in the use of photovoltaic power generation system can be divided into two kinds of independent power supply and grid.

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