• Single-phase inverter means that the voltage of AC power converted from DC power is single-phase, that is, AC 220V;
  • Three-phase inverter means that the voltage converted from DC to AC is three-phase, that is, AC 380V, three-phase power supply. It consists of three AC potentials with the same frequency, equal amplitude and 120° phase difference, and can carry three-phase loads.
  • Split-phase inverter is a kind of power electronic equipment, mainly used to convert DC (direct current) power to AC (alternating current) power and adjust the output voltage and frequency. Compared with traditional inverters, split-phase inverters use time-sharing control technology to achieve AC output through transistor interleaved switching.
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What is a split-phase inverter?

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Working principle of split-phase inverter

A split-phase inverter consists of two sets of transistors, each with half-cycle switching times that alternately switch on and off to form an alternating current output. When the output voltage is higher than the rated value, the controller adjusts the switching time of the transistor to achieve stable regulation of the output voltage. The split-phase inverter also has the function of grid connection, which can realize interconnection with the grid.

The introduction of Split-Phase inverter

Split-phase inverter is a kind of power electronic equipment, mainly used to convert DC (direct current) power to AC (alternating current) power and adjust the output voltage and frequency.

Compared with traditional inverters, split-phase inverters use time-sharing control technology to achieve AC output through transistor interleaved switching.

Application scenarios of split-phase inverter

Due to its advantages in output voltage stability, control performance, and interconnection, split-phase inverters have a wide range of application scenarios. Usually used in variable frequency air conditioners, motor drives, UPS power supplies, solar power generation and other fields. Split-phase inverters can also be used in fast charging systems for electric vehicles.

Advantages of split-phase inverter

Split-phase inverter has become the representative of the new generation of inverter with its characteristics of high precision, high stability, high reliability and high efficiency. At the same time, it also has the advantages of grid connection and rapid response, which can better meet users' high-quality demand for electric energy.

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High voltage inverter Basic knowledge

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Basic principles of high voltage inverter

    The basic principle of a high-voltage inverter is to convert DC power into AC power through the inverter, and its core component is a semiconductor switching device.

In an inverter, semiconductor switching devices convert direct current into alternating current with different amplitudes and frequencies by controlling the on-off time of the switch.

Circuit structure of high voltage inverter

The circuit structure of a high-voltage inverter usually adopts a multi-level inverter structure, which is composed of a DC power supply, six semiconductor switching devices, an output filter, and a DC negative current load source. The entire circuit provides electrical energy.

Six semiconductor switching devices convert DC power into AC power with different amplitudes and frequencies by controlling the on-off time of the switch. The output filter smoothes the output voltage and current waveforms to obtain stable AC. Electric energy and load are the final output part of the inverter.

Performance characteristics of high voltage inverter

High voltage inverters have the following performance characteristics:

  • High efficiency: The high-voltage inverter adopts advanced semiconductor switching devices and optimized circuit structure, which can achieve high efficiency.
  • High reliability: it can convert high conversion voltage by quantity. The inverter adopts a fully digital control and intelligent protection system, which can detect and handle various abnormal situations in time to ensure the stable operation of the system.
  • Wide input range: The high-voltage inverter can adapt to a variety of different DC power input ranges to meet the needs of different application scenarios.
  •  Low noise: The high-voltage inverter adopts optimized circuit structure and fully digital control technology, which can achieve low-noise operation and have less impact on the surrounding environment.
  • Easy maintenance: The high-voltage inverter adopts a modular design, which makes it easy to maintain and replace faulty parts. It also supports remote monitoring and management, which greatly reduces operating costs.
Spilt -phase inverter

Application fields of high voltage inverter

High voltage inverters are widely used in solar photovoltaic power generation, wind power generation, electric traction, industrial power supply and other fields. In these fields, high-voltage inverters can achieve efficient energy conversion and stable system operation, which are particularly important for improving energy efficiency and reducing operating costs.

In the photovoltaic power generation system, the high-voltage inverter is one of the key devices to convert DC power into AC power, and plays an important role in improving the efficiency and stability of the photovoltaic power generation system.

In short, High-voltage inverter is one of the important fields of modern power electronics technology, and its technology has been widely used in the development of various high -voltage inverter fields. Performance will continue to improve and its applications in various fields will become more extensive.

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