KD-WV250 Series Micro Inverter,High Efficiency & Best Cost-Effectiveness

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Product Description:

Structure

DC input voltage range22-50VDC

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

AC output power 260Wp

AC frequency range50Hz/60Hz

G.W.0.85kg

Size250mm*200mm*60mm

KD-WV250 Series Using IP65 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%.

Features

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;

IP65 WaterProof;

Flexible Installation;

Simplify maintenance (user serviceable)

High Efficiency & Best Cost-Effectiveness

 

Images

KD-WV250 Series Micro Inverter,High Efficiency & Best Cost-Effectiveness

KD-WV250 Series Micro Inverter,High Efficiency & Best Cost-Effectiveness

 

 

 

 

Specification

Input Data

KD-WV250-120VAC/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)

191mm*1176mm*38mm

  Weight

0.83kg

  Waterproof Rating

IP65

  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

 

KD-WV250 Series Micro Inverter,High Efficiency & Best Cost-Effectiveness

KD-WV250 Series Micro Inverter,High Efficiency & Best Cost-Effectiveness

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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:Installation and maintenance of photovoltaic grid - connected inverter
Before the installation should first check whether the inverter in the transport process for damage. When selecting the installation site, there should be no interference with any other power electronic equipment in the surrounding area.
Q:What is the difference between a grid-connected inverter and an off-grid inverter? What are the advantages of a hybrid inverter?
Hybrid inverter is not a clear concept, but now both energy storage dual-grid inverter does have the ability to receive control system,
Q:How the output voltage of the PV inverter and the grid-connected voltage are determined
supply through the cable to the battery. The use of household appliances connected to the power converter output can be used in the car a variety of electrical appliances. The available electrical appliances are: mobile phones, laptops, digital cameras, cameras, lights, electric razors, CD players, game consoles, handheld computers, power tools, car refrigerators and various tourism, camping, medical emergency appliances Wait.
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 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 without DC emc how will happen
by means of energy converters can be converted into electrical energy. The process of converting light energy directly into electrical energy is precisely the response to photovoltaic effects. Without the need for any other mechanical parts, the energy in
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 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:Is the grid side of the grid and the inverter?
Grid-type system power transmission sequence: photovoltaic panels> relays> inverters> relays> electricity load + power grid (both in parallel).
Q:Generally a large grid-connected photovoltaic power plant will have several inverters
Inverter, a single failure, does not affect other operations, the impact on the grid is small, high reliability.

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