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Classification and application of power converters

Article Source：Kinri Energy | Author：Kinri Energy | Issuing Time：2024.05.28
With the development of technology and the increasing demand for efficient energy utilization, power converters, as an important electronic device, have been widely used in various fields. The main function of a power converter is to convert the input electrical energy into the required form of electrical energy to meet the needs of various electronic devices and appliances. This article will focus on the classification and application of power converters.


power converter

Classification of power converters

Power converters can be classified based on their working principles and application areas. The most common classification method is based on its output form, mainly divided into DC power converters and AC power converters.

1. DC power converter

The main function of a DC power converter is to convert the input DC energy into stable DC energy to meet the needs of various electronic devices and appliances. According to its working principle, DC power converters can be divided into linear power converters and switching power converters.

A linear power converter is a power converter that uses linear electronic components for voltage regulation. Its working principle is to divide the input DC voltage through linear electronic components to obtain the required output voltage. Due to its simple working principle and relatively simple circuit structure, it has good stability but low efficiency, and is generally used in situations that require high voltage stability.

A switching power converter is a power converter that uses switching tubes for voltage regulation. Its working principle is to adjust the output voltage by controlling the on/off time of the switching tubes. Due to its high efficiency, small size, and light weight, it is widely used in various electronic devices and appliances.

2. AC power converter

The main function of an AC power converter is to convert the input AC power into stable AC power to meet the needs of various electronic devices and appliances. According to its working principle, AC power converters can be divided into transformers and inverters.

A transformer is a power converter that uses the principle of electromagnetic induction for voltage regulation. Its working principle is to adjust the output voltage by changing the ratio of turns on the primary and secondary sides of the transformer. Due to its simple working principle and low cost, it is widely used in various power equipment and appliances.

An inverter is a power converter that uses semiconductor switching devices for voltage inversion. Its working principle is to convert input DC electrical energy into AC electrical energy. Due to its high efficiency, small size, and light weight, it is widely used in distributed power generation systems, electric vehicles, and other fields.

 Application of Power Transformers

With the development of technology and the increasing demand for efficient energy utilization, power converters have been widely used in various fields. Specifically, the application of power converters mainly includes the following aspects:

1. Communication field: Equipment in the communication field, such as switches, routers, etc., require stable DC power as the power supply, and power converters can convert input AC power into stable DC power to meet the needs of communication equipment.

2. Industrial control field: Equipment in the industrial control field, such as PLCs, frequency converters, etc., require stable DC or AC power as the power supply, and power converters can provide reliable power supply for them.

3. Electric vehicle field: Efficient power converters are required for battery management systems, motor controllers, etc. in electric vehicles to achieve energy conversion and regulation, in order to ensure the normal operation of electric vehicles.
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