High-power magnetic ring high-frequency transformer and working method thereof

Abstract

The invention relates to the field of high-frequency transformers, and particularly discloses a high-power magnetic ring high-frequency transformer and a working method thereof, and the high-power magnetic ring high-frequency transformer adopts a deep neural network model based on high-dimensional statistical characteristics to determine the duty ratio of PWM excitation waves according to the current loss degree of an iron core. Moreover, a visual part and a non-visual part which need to express the characteristics of the iron core are also considered, and then the working state characteristics of the iron core are expressed by using the transfer characteristics from the input signal to the output signal. In this way, the required duty ratio of the PWM excitation wave can be obtained so as to prolong the service life of the iron core.

Description

technical field [0001] The invention relates to the field of high-frequency transformers, and more specifically, to a high-power magnetic ring high-frequency transformer and its working method. Background technique [0002] With the continuous development of power electronics technology, it has become more and more common to achieve high power conversion at high frequency. As a key component of power electronic transformers, the size and performance of high-frequency transformers depend on the operating frequency of the iron core and the magnetic properties of the material. Increasing the operating frequency will reduce the weight and size of the transformer, but the loss, especially the core loss, will increase , which limits the efficiency of high-frequency transformers. [0003] The core loss of a high-frequency transformer is closely related to the core material and excitation form it uses. In the practical application of power electronic transformers, high-frequency t...

AI Technical Summary

Problems solved by technology

As a key component of power electronic transformers, the size and performance of high-frequency transformers depend on the operating frequency of the iron core and the magnetic properties of the material. Increasing the operating frequency will reduce the weight and size of the transformer, but the loss, especially the core loss, will increase , which limits the efficiency of the high-frequency transformer

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