KD-WV230 Interver,260W,High Efficiency & Best Cost-Effectiveness

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1000 pc
Supply Capability:
100000 pc/month

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Product Description:

Structure

DC input voltage range22-50VDC

AC output voltage range80-160VAC/180-260VAC

AC output power 260W

AC frequency range50Hz/60Hz

G.W.1.1kg

Size250mm*200mm*60mm

KD-WV230 Series Using IP67 waterproof streamline design, Can effectively prevent rainwater on the surface erosion, Built-in high-performance Maximum Power Point Tracking(MPPT)Function,Better able to track changes in the solar luminosity and control different output power, Effectively capture and collect sunlight. AC electric power transmission using the reverse transmission technology, Is one of our patented technology, The inverter output power can provide load priority use, Extra electricity to the grid, Efficient use of the inverter to the power emitted, Electricity transmission rate of up to 99%.

micro inverter

Features

KD-WV230 Interver,260W,High Efficiency & Best Cost-Effectiveness

Pure Sine Wave Output;

High performance Maximum Power Point Tracking(MPPT);

Power Automatically Locked(APL);

Reverse power transmission;

High-Frequency High Conversion Rate;

Anti-Islanding Protect;

Input /output is fully isolated to protect the electrical safety;

Multiple parallel stacking;

The Leading Patent Technology;

IP67 WaterProof;

Flexible Installation;

Simplify maintenance (user serviceable)

High Efficiency & Best Cost-Effectiveness

 

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 micro inverter

 

 

Specification

Input Data

KD-WV230-120VAC/230VAC

  Recommended input power

200-300Watt

  Recommend the use of PV modules

300W/Vmp>34V/Voc<50V

  Maximum input DC voltage

50V

  Peak power tracking voltage

25-40V

  Operating Voltage Range

17-50V

  Min / Max start voltage

22-50V

  Maximum DC short current

15A

  Maximum Input Current

9.8A

  Output Data

@120VAC

@230VAC

  Peak power output

260Watt

260Watt

  Rated output power

250Watt

250Watt

  Rated output current

2.08A

0.92A

  Rated voltage range

80-160VAC

180-260VAC

  Rated frequency range

57-62.5Hz

47-52.5Hz

  Power factor

>96%

>96%

  Maximum units per branch circuit

15PCS(Single-phase)

30PCS(Single-phase)

  Output Efficiency

@120VAC

@230VAC

  Static MPPT efficiency

99.5%

99.5%

  Maximum output efficiency

92.3%

94.6%

  The average efficiency

91.2%

93.1%

  Night time power consumption

<50mW Max

<70mW Max

  THDI

<5%

<5%

  Exterior

  Ambient temperature

-40°C to +60°C

  Operating temperature range (inverter inside)

-40°C to +82°C

  Dimensions (WxHxD)

195mm*130mm*32mm

  Weight

0.65kg

  Waterproof Rating

IP67

  Cooling

Self-cooling

  Feature

  Power transmission mode

Reverse transfer, load priority

  Electromagnetic compatibility

EN50081.part1EN50082.part1

  Grid disturbance

EN61000-3-2 Safety EN62109

  Grid detection

DIN VDE 1026 UL1741

  Certificate

CEC,CE National patent technology

micro inverter

 micro inverter

FAQ

Can we visit your factory?

Surely, I will arrange the trip basing on your business schedule.

Can you do OEM for us?

Yes, we can.

How do you pack your products?

We have rich experience on how to pack the panels to make sure the safety on shipment when it arrives at the destination.

Can you help us install the module if we cooperate with you?

We haven’t entered into installation sector, but we have the plan in near future.

 

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Q:What are the methods of photovoltaic grid-connected inverter control
Inverter main circuit need to have a control circuit to achieve, generally have square wave and sine wave two control methods, square wave output inverter power supply circuit is simple, low cost, but low efficiency, harmonic components. Sine wave output is the development trend of the inverter, with the development of microelectronics technology, there are PWM function of the microprocessor has also come out, so the sine wave output inverter technology has matured.
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.
Grid-connected inverter is generally used with large-scale photovoltaic power plant system, a lot of parallel PV string is connected to the same set of inverter DC input, the general power of the use of three-phase IGBT power module, power
Q:What is the difference between low voltage grid connection and medium voltage grid connection?
Have a low pressure through the function set, low pressure through the scope of the project requirements, grid and network requirements and the actual situation of the design), low voltage grid to pass the voltage range is less than the medium pressure, parameter settings are not sensitive and complex.
Q:The working principle of photovoltaic grid - connected inverter
Inverter will be converted into alternating current DC, if the DC voltage is low, then through the AC transformer boost, that is, the standard AC voltage and frequency. For large-capacity inverter, because the DC bus voltage is high, AC output generally does not require transformer boost that can reach 220V, in the small and medium capacity of the inverter, because the DC voltage is low, such as 12V, 24V, It is necessary to design a boost circuit.
Q:PV grid-connected inverter can directly load it?
Grid-connected inverter is usually equipped with island protection function, can only receive the power grid, if the load directly, the output is disconnected.
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: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: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:What is the PV inverter starting voltage
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. According to the waveform modulation method can be divided into square wave inverter, stepped wave inverter, sine wave inverter and modular three-phase inverter. For the inverter for the grid system, depending on whether the transformer can be divided into transformer-type inverter and transformer-free inverter.
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.

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