on grid Solar Inverter Sununo-TL4KB with 1 MPPT

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Product Description:


• Ethernet / Wi-Fi communication

• Wide range of DC input voltage

• IP65 for indoor and outdoor use


• Comprehensive protection functions

• Compact design, fanless

• First-class components


• Max. efficiency up to 97.7%

• Euro. efficiency up to 97.1%

• MPPT accuracy up to 99.9%

4. Certificates: TUV,SAA,G83,ISO9001,ISO14001,etc.


Super junction MOSFET integrated with 97.7% Max. efficiency.
■ Wide MPPT voltage range and low minimum MPPT voltage for flexible configuration.
■ Transformerless design for lower cost and compact size.
■ IP65 and fan-less for longer-term reliability.
■ Ethernet/ Wi-Fi communication interface.
■ Integrated Web Server for local and internet monitoring.
■ Support SAJ Web Portal Monitoring Solutions.

Max. DC power [W] 34004500
Max. DC voltage [V] 580580
MPPT DC voltage Range [V] 120-500120-500
Nominal DC voltage [V] 360360
start voltage [V] 150150
Min.DC voltage [V] 100100
Max.DC input current [A] 1720
Number of MPPT11
string per MPPT22
DC switchoptionaloptional

on grid Solar Inverter Sununo-TL4KB with 1 MPPT

on grid Solar Inverter Sununo-TL4KB with 1 MPPT

1.    How can I get after sale service?

We have established after sale service center in Europe, North America, south East Asia, etc. you can email us or call the hot line.2.    Do you have shipping insurance for our goods?

We will buy shipping insurance according to customers’ demand.

3.  Do you accept OEM or customized design?

OEM & ODM, any your customized lightings we can help you to design and put into product.

4.  What if I need specific design?

Distributorship are offered for your unique design and some our current models.

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Q:What are the methods of photovoltaic grid-connected inverter control
The square wave output of the inverter using pulse width modulation integrated circuits, such as SG3525, TL494 and so on. Practice has proved that the use of SG3525 integrated circuits, and the use of power FET as a switching power components, to achieve high performance of the inverter, because the SG3525 has a direct drive power FET capability and has an internal reference source and operational amplifiers and Undervoltage protection, so its peripheral circuit is very simple.
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:Three-phase photovoltaic inverter grid, the use of phase-locked loop is what?
Photovoltaic inverters for grid-connected photovoltaic power generation systems are primarily capable of receiving DC power from photovoltaic arrays and converting them into sine-wave currents of the same frequency and in phase with the access grid for powering the grid or local loads.
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: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:What is the difference between a PV grid-connected inverter and an off-grid inverter?
Offline generally need energy storage, not to send energy online. Power grid has no right to interfere.
Q:The function of photovoltaic grid - connected inverter
After some additional voltage buffering, the left side of the bridge is usually 18 ~ 20khz switching frequency, the dc voltage is converted to ac voltage.
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 PV inverter starting voltage
Inverter is a kind of semiconductor device composed of power adjustment device, mainly used for DC power into AC power. Generally consists of boost circuit and inverter bridge circuit. The boost circuit boosts the DC voltage of the solar cell to the DC voltage required for the inverter output control. The inverter bridge circuit converts the boosted DC voltage to the AC voltage of the common frequency. 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. Of course, it is not practical to simply output the inverter output waveforms from the on and off circuits
Q:After the PV inverter, how to achieve the same period before the network?
Solar panel simulator: with MPPT function, simulated morning, noon, afternoon, evening, rainy weather, solar panels produced under different conditions in different voltages.

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