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Three-phase superbalanced conjugate inductor

A conjugate inductance, super-balanced technology, applied in the direction of transformer/inductor cores, circuits, electrical components, etc., can solve problems such as increasing cost and increasing volume, and achieve high balance, reduce ripple, and improve The effect of circuit system efficiency

Inactive Publication Date: 2015-10-28
HEFEI ECRIEE TAMURA ELECTRIC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

If three independent inductors are used for filtering, it will inevitably increase the cost and increase the volume

Method used

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  • Three-phase superbalanced conjugate inductor

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Embodiment Construction

[0009] figure 1 The structure of the three-phase overbalanced conjugate inductor includes 1. the magnetic core, 2. the wire wrap, and 3. the conjugate point of the magnetic core. Where three wire winding packages (2) are arranged in a whole magnetic core (1), two magnetic core conjugates (3) are formed. The hybrid magnetic circuit technology and electromagnetic simulation technology are used to optimize each magnetic circuit so that the magnetic flux density of the inductor core is the same. Compared with three-phase independent inductors, the conjugate design reduces two magnetic columns, the cross-sectional area of ​​the magnetic core at the conjugate is reduced by half, and the core loss and cost are greatly reduced.

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Abstract

The invention discloses a three-phase superbalanced conjugate inductor which comprises: a magnetic core, solenoids and magnetic core conjugate parts. In the whole magnetic core, three positions are arranged for the winding of the solenoids. The two magnetic core conjugate parts are formed. The technologies of hybrid magnetic circuit and electromagnetic simulation are adopted in the optimization of each magnetic circuit so as to make the inductive magnetic cores conjugate and enable the magnetic flux densities to be the same. The three-pole superbalanced conjugate inductance addresses the problems of large size, high cost and high magnetic core loss of similar products.

Description

technical field [0001] The present invention relates to a three-phase inductor, in particular to a three-phase super-balanced conjugate inductor. Background technique [0002] In the existing three-phase reactors, the three-phase inductance is quite different due to the different magnetic circuits where the center columns are located, which makes the three-phase unbalance of the system. During the filtering process, due to the difference in the potential difference of each phase, a circulating current will be formed, which will increase the system loss. If three independent inductors are used for filtering, it will inevitably increase the cost and increase the volume. Contents of the invention [0003] The object of the present invention is to aim at the deficiencies of the prior art, provide a kind of three-phase super-balanced conjugate inductor, make the inductor magnetic core conjugate, reduce the cross-sectional area of ​​the magnetic core between the three phases, ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01F30/06H01F27/26
Inventor 王欢胡锋万静龙
Owner HEFEI ECRIEE TAMURA ELECTRIC