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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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  • Summary
  • 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 inductance, and the production requires special mold opening and special magnetic cores to achieve it, thus causing unnecessary additional costs

Method used

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  • Nonlinear inductor
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Embodiment Construction

[0036] The following examples are described in detail in conjunction with the accompanying drawings, but the provided examples are not intended to limit the scope of the present invention, and the description of the structural operations is not intended to limit the order in which they are executed. Any recombination of components Structures, resulting devices with equivalent functions are all within the scope of the present invention. In addition, the drawings are for illustrative purposes only and are not drawn to original scale. For ease of understanding, the same components will be described with the same symbols in the following description.

[0037] As used herein, "about", "approximately" or "approximately" generally means that the error or range of the value is within 20%, preferably within 10%, and more preferably within five percent. If there is no explicit statement in the text, the numerical values ​​mentioned are all regarded as approximate values, such as 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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