Switching power supply transform

Switching power supply transform

8 month ago

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Xuzhou Jiuli Electronics Co., Ltd

 9 month year

Product details

The difference between low frequency transformer and high frequency transformer

Operating frequency

According to the working frequency of the transformer, it can generally be divided into low-frequency transformers and high-frequency transformers, for example, in daily life, the frequency of power frequency AC is 50Hz, we work in this frequency transformer called low-frequency transformer; The operating frequency of high-frequency transformers can reach tens of KHz to hundreds of KHz. The output power of the same low-frequency transformer and high-frequency transformer, high-frequency transformer volume is much smaller than the low-frequency transformer. Transformer in the power supply circuit is a relatively large component, in order to ensure the output power at the same time, want to make the volume small, it is necessary to use high-frequency transformers, so in the switching power supply will use high-frequency transformers.

Working principle

The working principle of high-frequency transformer and low-frequency transformer is the same, both work on the principle of electromagnetic induction, but in the production of materials, the materials used in their cores are different, the iron core of low-frequency transformer is generally made of many silicon steel sheets stacked, and the iron core of high-frequency transformer is composed of high-frequency magnetic materials.

Transmission signal

In the DC regulated power supply circuit, the low-frequency transformer transmits the sine wave signal. In the switching power supply circuit, the high-frequency transformer transmits the high-frequency pulse square wave signal.

Our main products are Electronic Transformer、Differential Mode Inductor、I-type Inductor、Common Mode Inductor and so on.

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Xuzhou Jiuli Electronics Co., Ltd

 Audited supplier

9 month

Address: Xuzhou, China

Main Product: Electronic Transformer, High-frequency Transformer , Switching Power Supply Transformer, Differential Mode Inductor, I-type Inductor, Common Mode Inductor

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