Linear impedance stabilization network

A technology of stabilizing network and linear impedance, applied in the field of linear impedance stabilizing network, can solve the problems of increasing difficulty, limiting the popularization and application of linear impedance stabilizing network, rising cost, etc., to achieve the effect of improving performance, saving production cost and reducing cost

Inactive Publication Date: 2012-05-23
SUZHOU 3CTEST ELECTRONIC CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0009] (2) With the increase of power, the difficulty of manufacturing components in the linear impedance stabilization network increases, and the cost increases, which limits the popularization and application of the linear impedance stabilization network

Method used

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  • Linear impedance stabilization network
  • Linear impedance stabilization network
  • Linear impedance stabilization network

Examples

Experimental program
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Embodiment

[0036] Embodiment: a linear impedance stabilization network, comprising: a first branch circuit composed of at least two inductors connected in series through at least four strands of wires, the inductor is an inductor formed by winding at least four strands of wires on a magnetic bar, the first branch One end of the grid side of a branch is used as a connection terminal for the live wire of the grid, and one end of the load side is used as a connection terminal for the load live wire;

[0037] A second branch composed of at least two inductances connected in series through at least four wires, the inductance is an inductance formed by winding at least four wires on a magnetic bar, and one end of the grid side of the second branch is used as a connection terminal for the grid neutral line, One end of the load side is used as the load neutral line connection terminal;

[0038] A third branch circuit consisting of at least four wires as the ground wire, one end of the third bran...

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PUM

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Abstract

The invention relates to a linear impedance stabilization network, which comprises a first branch circuit consisting of at least two series-connected inductors, a second branch circuit consisting of at least two series-connected inductors, a third branch circuit as a grounding wire, a first capacitor which is used for fire wire noise isolation and is in bridge connection between one end of a first branch circuit electric network side and the third branch circuit, a second capacitor for fire wire noise isolation, a third capacitor which is used for neutral wire noise isolation and is in bridgeconnection between one end of a second branch circuit electric network side and the third branch circuit, and a fourth capacitor which is used for neutral wire noise isolation and is in bridge connection between one end of a second branch circuit load side and the third branch circuit. The invention can measure conducted electromagnetic interference noise of high-power equipment, reduces the effect of parasitic parameters, improves performances, simplifies production process and saves production cost.

Description

technical field [0001] The invention relates to a conductive electromagnetic interference noise measuring device, in particular to a linear impedance stabilization network. Background technique [0002] Currently, the well-known linear impedance stabilization network is a standard device for conducted EMI noise measurements. The line impedance stabilization network is inserted between the power grid and the EUT, which is the equipment under test, and its functions have the following four items: [0003] (1) Provide access to 50Hz mains electricity. Since the inductance on the side of the power grid is small, it is not enough to form a large impedance at the frequency of the mains, so the mains can provide power for the device under test unimpeded, and the capacitance on the side of the power grid can further attenuate the interference signal from the power grid . [0004] (2) Isolate the radio frequency electromagnetic disturbance generated by the equipment under test (me...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01R29/08
Inventor 蔡省洋赵阳陆婋泉董颖华姜宁秋
Owner SUZHOU 3CTEST ELECTRONIC CO LTD
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