Large-capacity dry-type high-frequency high- voltage reactor

Abstract

The invention provides a large-capacity dry-type high-frequency high-voltage reactor. The reactor comprises a UF-type magnetic core, frames, coils and a fixing and supporting device, and further comprises cooper bars or copper wires containing the coils; the UF-type magnetic core comprises two U-type magnetic pieces with opposite openings, a plurality of magnetic strips and insulating pad plates, each U-type magnetic piece comprises a bottom yoke and a side column, the magnetic strips and the insulating pad plates are installed between the two U-type magnetic pieces in a pressed mode, the insulating pad plates are arranged between the adjacent magnetic strips and between the magnetic strips and the side columns, and gaps are arranged between the magnetic strips and between the magnetic strips and the side columns; the two square frame are arranged on the side columns of the UF-type magnetic core and the magnetic strips in a sleeving mode; each coil is composed of two high-voltage coil bodies, the two high-voltage coil bodies are of vertical structures and wind on the two square frames respectively, insulating layers are arranged between the adjacent low-voltage coil bodies, the high-voltage coil bodies are prepared by winding large-strand litz wires, and minning edges are arranged on gaps between the upper and lower end portions of the coils and the UF-type magnetic core.

Description

technical field [0001] The invention belongs to the field of dry-type reactors and belongs to high-voltage electrical equipment, in particular to a large-capacity dry-type high-frequency high-voltage reactor. Background technique [0002] In the field of step-up or conversion of existing medium and high-frequency power supplies, conventional reactors more or less have the following technical shortcomings, resulting in the existing high-frequency high-voltage reactors having small boost capacity (below 10kVA) and low boost voltage ( 1000V), poor waveform quality, large reactive power loss, low efficiency (below 90%), incapable of high-capacity long-term operation and low reliability. [0003] 1. Since the coil is in a vertical state when the reactor is assembled, the emptiness at the end of the coil may cause the displacement of the wire during the intense transportation process, further causing the fault of the coil across layers. [0004] 2. Since multiple wires in the coi...

AI Technical Summary

Problems solved by technology

[0012] The purpose of the present invention is to provide a high-power dry-type high-frequency high-voltage reactor, which is used to solve the problems of poor waveform quality, large reactive power loss, small transfer capacity, low boost voltage, low efficiency, and inability to Long-term operation and low reliability performance defects, so that the use of high-frequency high-voltage power supply can be more extensive and reliable; the high-frequency high-voltage power supply can also achieve large-capacity high-voltage output, high-efficiency output, good waveform, and extremely small noise Power loss, long-term uninterrupted operation, small size and light weight, excellent performance of low loss and heat generation

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