The industrial frequency sine wave inverter is a type of inverter. It is a power electronic device that converts DC power (such as power batteries, batteries, etc.) into AC power (generally 220V, 50Hz sine wave). The following is a detailed explanation of the industrial frequency sine wave inverter:
Definition and function
Definition: Sine wave inverter, especially industrial frequency sine wave inverter, refers to an inverter whose output waveform is close to a perfect sine wave. This inverter can ensure the stability and purity of the output current and voltage, and is suitable for occasions with high requirements for power quality.
Function: Its main function is to convert DC power into AC power, and the output AC power waveform is close to a sine wave, thereby meeting the needs of various devices or systems that require AC power supply.
Working principle
The working principle of the industrial frequency sine wave inverter mainly depends on the conduction and shutdown of power semiconductor devices (such as SCR, GTO, GTR, IGBT and power MOSFET, etc.). By controlling the conduction and shutdown of these devices, the inverter can convert DC power into AC power. The specific process includes four main parts: rectification circuit, smoothing circuit, control circuit and inverter circuit. Among them, the control circuit outputs a certain voltage pulse, so that the power switch tube in the power conversion circuit is turned on and off according to a certain rule, thereby generating a specific harmonic combination. Finally, the required sinusoidal voltage waveform is obtained through the filter circuit.
Features and advantages
Good output waveform: The AC waveform output by the industrial frequency sine wave inverter is close to the sine wave, and the current fluctuation is small, so it can reduce the impact and damage to the electrical equipment and improve the operating efficiency and stability of the equipment.
Wide range of applications: Due to the good output waveform, the industrial frequency sine wave inverter is suitable for various occasions that require AC power supply, including home, commercial, industrial and other fields.
Perfect protection function: Modern industrial frequency sine wave inverters usually have multiple protection functions such as overload protection, short circuit protection, battery reverse connection protection, etc., which can cut off the output in time under abnormal conditions to protect the safety of equipment and users.
Application scenarios
The industrial frequency sine wave inverter is widely used in various occasions that require AC power supply, including but not limited to the following fields:
New energy facilities: such as solar power generation systems, wind power generation systems, etc., need to invert the DC power in the battery into AC power for users.
Household appliances: such as TVs, refrigerators, washing machines and other household appliances, need to be powered by AC power.
Industrial equipment: such as motors, inverters and other industrial equipment, need to be driven and controlled by AC power.
Emergency power supply: such as EPS emergency power supply system, used to provide emergency power guarantee when the city power is outage.
In summary, the industrial frequency sine wave inverter is an important power electronic device that converts DC power into high-quality sine wave AC power and is widely used in various occasions that require AC power supply.
