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What is a high frequency switching power supply? What is its composition and principle?

What is a high frequency switching power supply? What is its composition and principle?

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  • Time of issue:2020-06-24
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(Summary description) High-frequency switching power supply, its English name is Switching Mode Power Supply, also known as switching power supply, switching converter and switching rectifier SMR

What is a high frequency switching power supply? What is its composition and principle?

(Summary description) High-frequency switching power supply, its English name is Switching Mode Power Supply, also known as switching power supply, switching converter and switching rectifier SMR

  • Categories:Company news
  • Author:
  • Origin:
  • Time of issue:2020-06-24
  • Views:0
Information

1. What is a high frequency switching power supply?

High-frequency switching power supply, its English name is Switching Mode Power Supply, also known as switching power supply, switching converter, and switching rectifier SMR. It is a high-frequency electric energy conversion device. Its function is to convert a level of voltage into the voltage or current required by the user through different forms of architecture. It mainly works through the high frequency of MOSFET or IGBT, and the switching frequency is generally controlled in the range of 50-100kHz to achieve high efficiency and miniaturization.

2. The composition principle of high-frequency switching power supply

The high frequency switching power supply is mainly composed of four parts: main circuit, control circuit, detection circuit and auxiliary power supply.

The main circuit mainly includes input filter, rectification and filtering, inverter and output rectification and filtering, which can finally provide a stable and reliable DC power supply.

The control circuit can control the inverter to change its frequency or pulse width to achieve stable output. It can also provide a control circuit for various protection measures for the whole machine.

In addition to providing various parameters in operation in the protection circuit, the detection circuit also provides various display instrument data.

Auxiliary power supply, which provides different power supply for all single circuits.

3. High-frequency switching power supply-principle of voltage stabilization

The main circuit of the high-frequency switching power supply will filter the clutter that exists in the grid, and also prevent the clutter generated by the machine from being fed back to the public grid, and then directly rectify the grid AC power to a smoother DC for the next stage of conversion. Then convert the rectified DC power into high-frequency AC power. If different frequencies and bandwidths are required, it can be obtained by controlling the inverter through the control circuit. Finally, according to the load needs, a stable and reliable DC power supply is provided. At the same time, the control circuit can adjust The machine carries out various protective measures.

With the continuous improvement and development of electroplating technology, the high-frequency switching power supply produced by Karry continues to improve product stability and product quality, and is perfectly combined with electrochemistry to better serve the surface treatment industry. Build a solid foundation for you to create high-quality high-quality electroplated workpieces.

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