Off-Grid Pure Sine Wave Solar Inverter/Power Inverter 400W, DC 24V to AC 220V/230V SHI400-22

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Product Description:

SHI series is a pure sine wave inverter which can convert 12/24/48Vdc to 220/230Vac 50/60Hz based on full digital and intelligent design. It features high reliability, high efficiency, concise outline, small volume, easy installation and operation. The inverter can be applied in many fields, such as household appliances, electric tools and industrial devices etc, especially for solar photovoltaic power system.

True sine wave inverters produce power that is either identical or sometimes slightly better to power from the public utility power grid system. The power wave when viewed through an oscilloscope is a smooth sine wave.

 


 


Features:

·Input & output fully isolation
·Adoption of advanced SPWM technology, pure sine wave output
·Dynamic current loop control technology to ensure inverter reliable operation
·Wide DC input voltage range
·The output voltage and frequency can be switched
·Low output harmonic distortion(THD≤3%)
·LED indicators for input voltage range, load power range, normal output & failure state
·Optional energy saving mode
·Wide working temperature range (industrial level)

·Continuous operation at full power


Protections:

·Output short circuit protection
·Overload protection
·Input low voltage protection
·Input over voltage protection
·Overheating protection

·Inverter abnormal protection





Specification:

Types

SHI400-12

SHI400-22

SHI600-12

SHI600-22

SHI1000-22

SHI1000-42

Nominal Battery  Voltage

12V

24V

12V

24V

24V

48V

Input Voltage  Range

10.8~16Vdc

21.6~32Vdc

10.8~16Vdc

21.6~32Vdc

21.6~32Vdc

43.2~64Vdc

No Load Current

≤0.8A

≤0.45A

≤0.7A

≤0.45A

≤0.45A

≤0.35A

Output Wave

Pure Sine Wave

Output Voltage

220Vac±3% / 230Vac±10%

Continuous Power

400W

600W

1000W

Power 10 sec

600W

900W

1500W

Power 1.5 sec

800W

1200W

2000W

Surge Power

900W

1350W

2250W

Frequency

50/60Hz±0.2%

Distortion THD

≤ 3% (resistive load)

Efficiency at Rated Power

≥91%

≥92%

≥91%

≥92%

≥93%

≥93.5%

Max. Efficiency

≥92%

≥93%

≥93%

≥94%

≥94%

≥94%

Terminal

16mm2

25mm2

25mm2

Dimensions

280×166×74.3mm

295×186×82mm

295×208×98mm

Installation

150×158mm

150×178mm

150×200mm

Hole Size

Φ5mm

Φ6mm

Φ6mm

Net Weight

1.8kg

2.3kg

3.3kg

Working  Temperature

-20~ +50

Storage  Temperature

-35~ +70

Humidity  

< 95% (N.C.)

Altitude

< 5000m(Derating to operate according to IEC62040 at a height exceeding 1000m)

Insulation  Resistance

  Between DC input terminals and metal case: ≥550MΩ;

  Between AC output terminals and metal case: ≥550MΩ.

Dielectric  Strength

  Between DC input terminals and metal case: Test voltage AC1500V, 1  minute

Between AC output terminals and metal case: Test voltage  AC1500V, 1 minute



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Q:The working principle of photovoltaic grid - connected inverter
Full-bridge inverter circuit to overcome the shortcomings of the push-pull circuit, the power transistor to adjust the output pulse width, the output AC voltage RMS that changes. Since the circuit has a freewheeling circuit, even if the inductive load, the output voltage waveform will not be distorted. The disadvantage of this circuit is that the upper and lower arms of the power transistor are not common, so you must use a special drive circuit or use isolated power supply. In addition, in order to prevent the upper and lower arm co-conduction, must be designed to turn off after the conduction circuit, that must be set dead time, the circuit structure is more complex.
Q:Solar grid inverter does not merge into the grid, direct access to the load to the load power supply?
The solar grid-connected inverter is not connected to the grid and can not be directly connected to the load to supply power to the load because there is no voltage.
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: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?
Offline generally need energy storage, not to send energy online. Power grid has no right to interfere.
Q:PV grid-connected inverter and independent inverter in the control of what is the difference
The independent inverter in the output voltage phase amplitude of the frequency control is initially set good. Independent inverter, you should refer to off-grid inverter, do not need to consider the grid situation.
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:After the PV inverter, how to achieve the same period before the network?
Grid simulator: analog power grid, normal and abnormal conditions, overvoltage, undervoltage, over frequency, under frequency, sudden power failure, etc.
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:Generally a large grid-connected photovoltaic power plant will have several inverters
Group is the use of a number of grid-connected inverter and grid-connected AC power grid, the advantage is the loss of small, low cost of the cable (because the PV cable is more expensive), eliminating the cost of the convergence box, and multiple

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