SUN-18/20/25K-G04 | 18-25KW | Three Phase | 2 MPPT

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5000 pc/month
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Item specifice:

Output Power: 18-25kw Inveter Efficiency: 97.8% Output Voltage(V): 380
Input Voltage(V): 550 Output Current(A): 26.1-36.2 Output Frequency: 50/60Hz

Product Description:



Technical Data
ModelSUN-18K-G04SUN-20K-G04SUN-25K-G04
Input Side
Max. DC Input Power (kW)23.42632.5
Max. DC Input Voltage (V)1000
Start-up DC Input Voltage (V)250
MPPT    Operating Range (V)200~850
Max. DC Input Current (A)32+32
Max. Short Circuit Current (A)48+48
Number of MPPT / Strings per MPPT2/2
Output Side
Rated Output Power (kW)182025
Max. Active Power (kW)19.82227.5
Nominal Output Voltage / Range (V)3L/N/PE 380V/0.85Un-1.1Un, 400V/0.85Un-1.1Un
Rated Grid Frequency (Hz)50 / 60 (Optional)
Operating PhaseThree phase
Rated AC Grid Output Current (A)26.12936.2
Max. AC Output Current (A)28.731.939.8
Output Power Factor0.8 leading to 0.8 lagging
Grid Current THD<3%< span="">
DC Injection Current (mA)<0.5%< span="">
Grid Frequency Range47~52 or 57~62 (Optional)
Efficiency
Max. Efficiency98.6%
Euro Efficiency97.8%
MPPT Efficiency>99%
Protection
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)330W×508H×206D
Weight (kg)20.8
TopologyTransformerless
Internal Consumption<1W (Night)
Running Temperature-25~65,   >45 derating
Ingress ProtectionIP65
Noise Emission (Typical)<45 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
Features
DC Connection
   
MC-4   mateable
   
AC Connection IP65 rated plug
Display
   
 LCD1602 
InterfaceRS485/RS232/Wifi/LAN


This new series of three-phase output inverter has wider range of 18kw, 20kw, 25kw than the original series, at the same time still got two integrated MPPTs, allowing two-array to input from different roof orientations. In addition, it allows the system to be monitored and controlled remotely.

  • 2 MPP      tracker, Max. efficiency up to 98.6%

  • Zero      export application, VSG application

  • String      intelligent monitoring (optional)

  • Wide      output voltage range

  • Anti-PID      function (Optional)


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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: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
only when the local power sector permission by the professional and technical personnel to complete all the electrical connection before the inverter can be connected.
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
Part of the distributed grid-connected projects, the basic are "spontaneous use, the power of the Internet," these do not need to boost, because the extra power is actually consumed by the surrounding electricity users, do not boost to a Level power grid;
Q:What is the difference between a PV grid-connected inverter and an off-grid inverter?
Grid-connected inverter will be directly sent to the power grid, so to track the frequency of the grid, phase, the equivalent of a current source. Of course, there are some inverters called low-voltage crossing ability, you can do PQ adjustment
Q:PV grid-connected inverter and independent inverter in the control of what is the difference
And you said that the independent inverter, said off-grid inverter it, this inverter can not access the mains, the components of the electricity through the off-grid inverter to the battery charge, the battery at night
Q:Photovoltaic grid-connected inverter problem
Hello, the definition of the zero line is not caused by the transformer three-phase electric tail connection? I now do not understand why there is no isolation transformer AC output marked is N (zero line), and it is not the transformer three-phase power of the tail connection leads to, this is the zero line? The The
Q:Solar grid inverter does not merge into the grid, direct access to the load to the load power supply?
In foreign countries 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.
Q:What is the difference between a PV inverter and a solar inverter?
The main function of photovoltaic grid-connected inverter is to convert the DC power of the solar PV module into the same frequency as the sinusoidal AC power of the grid (the grid is generally AC power grid, DC can not be directly connected)
Q:Is the PV inverter a current source or a voltage source?
For the inverter for the grid system, depending on whether the transformer can be divided into transformer-type inverter and transformer-free inverter.

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