Nonlinear inductor

A nonlinear and inductive technology, applied in the field of inductance, can solve the problems of extra cost and expenditure, and achieve the effect of reducing cost and simplifying the structure of components

Inactive Publication Date: 2014-10-22
DELTA ELECTRONICS INC
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0005] However, the current practice of realizing non-linear inductance is to use the shape change of the air gap to make non-linear induc

Method used

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  • Nonlinear inductor
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[0036] The following examples are given in conjunction with the accompanying drawings for detailed description, but the provided examples are not used to limit the scope of the present invention, and the description of the structural operation is not used to limit the order of its execution, any recombination of components The structures and the devices with equal effects are all within the scope of the present invention. In addition, the drawings are for illustrative purposes only, and are not drawn according to the original dimensions. To facilitate understanding, the same elements in the following description will be described with the same symbols.

[0037] Regarding the "about", "approximately" or "approximately" used in this text, the error or range of the index value is generally within 20%, preferably within 10%, and more preferably Within 5%. If there is no clear description in the text, the values ​​mentioned are regarded as approximate values, for example, the error ...

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Abstract

The invention discloses a nonlinear inductor comprising a first magnetic core, a second magnetic core, a third magnetic core, a fourth magnetic core, a fifth magnetic core and a coil unit. The second magnetic core and the first magnetic core are arranged in parallel. The third magnetic core, the fourth magnetic core and the fifth magnetic core are all perpendicularly disposed between the first magnetic core and the second magnetic core. An induction flux, passing through magnetic resistance of the fourth core, another induction influx different from the induction flux passes the magnetic resistance of the fifth magnetic core.

Description

technical field [0001] The present invention relates to an inductor, and more particularly to a nonlinear inductor having an asymmetric set of reluctances. Background technique [0002] The motor system driven by a frequency converter, due to the high-frequency switching signal on the line between the frequency converter and the motor, generates unnecessary electromagnetic interference, reduces the overall power factor of the frequency converter, and generates harmonics to the load at the drive end distortion. [0003] The total harmonic distortion caused by the frequency converter system under low current operation is usually large, and when the harmonic distortion is too large, it may cause damage to other equipment in the system or reduce the operating efficiency. In order to solve the problem of harmonic distortion, in general applications, a nonlinear inductor is connected in series with the frequency converter to suppress harmonic distortion. [0004] Generally speak...

Claims

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Application Information

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IPC IPC(8): H01F17/04H01F27/26H01F27/30
Inventor 郭宗男李明宪
Owner DELTA ELECTRONICS INC
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