Waterproof high-frequency transformer with harmonic elimination function

Abstract

The invention discloses a waterproof high-frequency transformer with a harmonic elimination function, and relates to the technical field of high-frequency transformers. Comprising a voltage transformation assembly, a heat dissipation assembly, a harmonic elimination assembly, an outer box body and a waterproof assembly. The transformation assembly is arranged in the outer box body, and the heat dissipation assembly is fixedly connected with the side wall of the outer box body; the harmonic elimination assembly is arranged on the voltage transformation assembly, the harmonic elimination assembly and the voltage transformation assembly are in fastening connection, and the waterproof assembly is arranged in the side wall of the outer box body. According to the harmonic elimination assembly, the most important harmonic waves in the power supply end main circuit are filtered out, and the influence of the harmonic waves on the transformer is reduced to a great extent; according to the waterproof assembly, on one hand, the impact force of water flow vibration is guided, on the other hand, the heat dissipation effectiveness of the transformer in a sealed state is guaranteed, and the environmental adaptability of the transformer is improved to a great extent.

Description

technical field [0001] The invention relates to the technical field of high-frequency transformers, in particular to a waterproof high-frequency transformer with the function of eliminating harmonics. Background technique [0002] With the continuous development of modern science and technology, the application of electronic power technology in power systems has become more and more extensive, and power electronic transformers have also been extensively and deeply researched and developed. In the early days, power electronic transformers were mainly used in the traction devices of electric locomotives. In recent years, with the deepening of research, power electronic transformers have also been applied in DC hybrid partial hall networks, electric vehicle charging stations, new energy DC grid-connected, etc. field. The continuous development of transformer technology puts forward the requirements for miniaturization and flexible control of power processing and conversion uni...

AI Technical Summary

Problems solved by technology

However, there are many defects in the design of traditional high-frequency transformers. During use, high-frequency transformers will receive harmonics from switching power supplies and electronic power loads, and traditional high-frequency transformers lack effective harmonic elimination devices. , unable to provide a stable environment for the transmission of electric energy

When the magnetic flux of the iron core is saturated, the heat generated on the circuit will increase, which will easily cause circuit damage

The conventional solution is to set an air gap in the iron core, but the fixed air gap cannot adapt to the change of current, which will lead to the occurrence of excessive reluctance of the iron core

On the other hand, traditional high-frequency transformers have poor adaptability to outdoor bad weather, and are prone to water ingress in the box, damage to the base and surface of the transformer

Images