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Inductive reactor

A reactor and inductive technology, applied in the field of inductive reactors, can solve problems such as hindering the wide application of power grids, and achieve the effect of avoiding magnetic saturation and widening the linear range of reactance

Inactive Publication Date: 2010-08-18
SHANGHAI DONGHU ELECTRIC APPLIANCE AUTOMATION EQUIP FACTORY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

Therefore, the magnetic saturation phenomenon of the inductive reactor in the prior art under high current has become the biggest obstacle hindering its wide application in the power grid.

Method used

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Embodiment Construction

[0017] The specific implementation of the inductive reactor provided by the present invention will be described in detail below in conjunction with the accompanying drawings.

[0018] attached figure 1 Shown is an exploded view of the inductive reactor 10 described in this specific embodiment, with figure 2 is attached figure 1 A three-dimensional schematic diagram of the inductive reactor 10 after the various components shown are assembled. The inductive reactor 10 includes: a core body 110 ; a coil 120 surrounding the core body 110 and a magnetic case 130 enclosing the coil 120 . There are two magnetic boxes in this specific embodiment, which are respectively magnetic boxes 131 and 132. In other specific embodiments, more magnetic boxes can also be included, and more magnetic boxes should be arranged on the magnetic boxes 131 and 132. Between them, they are stacked along the axial direction of the core body 110 .

[0019] The inductive reactor 10 further includes ring-s...

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Abstract

The invention relates to an installation type inductive reactor comprising a core body, coils surrounding the core body and at least two magnetic boxes coating the coils, wherein the magnetic boxes are hermetically matched and are sequentially stacked in the direction of a vertical shaft of the magnetic core body, and the core body is made of magnetic saturation-resistant materials and has a structure. The invention has the advantages that due to the adoption of the structure with the hermetic magnetic boxes, the inductive reactor does not generate magnetic-flux leakage on the outside in the state of rated-power frequency and large-current excitation so as to not generate electromagnetic interference caused by the magnetic-flux leakage on the outside when avoiding the generation of the phenomenon of magnetic saturation. The invention also adopts the magnetic saturation-resistant materials as partial core body mediums so as to further prevent the core body from generating a coupling magnetic field and generating the magnetic saturation under large current. Comprehensively, the inductive reactor can effectively avoid the generation of the phenomenon of the magnetic saturation under the large current, thereby obtaining the wide linear range of reactive resistance.

Description

【Technical field】 [0001] The invention relates to the field of power electronics, in particular to an inductive reactor. 【Background technique】 [0002] With the rapid development of the national economy, the smart grid has put forward higher requirements for the power consumption management of the low-voltage grid. Carrier communication on low-voltage power lines has been widely used in power grids more and more. After continuous research and experimentation, the use of modern technology to realize the modernization and automation of low-voltage grid power management has become an important part of the smart grid. At present, one of the main uses of carrier communication on low-voltage power lines is to realize remote meter reading for users. By installing a dedicated chip on the user's meter, the data in the user's meter is transmitted to the data center of the power department through the power line in the form of a carrier wave, so as to obtain the information stored i...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01F17/04H01F27/24H01F27/28H01F27/02
Inventor 廖洋田质
Owner SHANGHAI DONGHU ELECTRIC APPLIANCE AUTOMATION EQUIP FACTORY