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Novel DC pulsed attenuator

A voltage divider and pulse technology, applied in the field of new DC and pulse voltage dividers, can solve the problem that the voltage divider cannot meet the DC measurement and pulse measurement at the same time, and achieve the effect of improving the electric field distribution, easy implementation and fast response speed.

Inactive Publication Date: 2009-09-02
INST OF PLASMA PHYSICS CHINESE ACAD OF SCI
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  • Abstract
  • Description
  • Claims
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Problems solved by technology

[0003] The purpose of this invention is to provide a new type of DC and pulse voltage divider to solve the problem that the current market voltage divider cannot meet the dual requirements of DC measurement and pulse measurement at the same time

Method used

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  • Novel DC pulsed attenuator

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Embodiment Construction

[0013] Such as figure 1 shown. The new DC and pulse voltage divider includes a cylinder body 1, a metal connecting column 2 is fixed at one end of the cylinder body 1, and a high voltage arm resistance R1 is fixed at the other end of the cylinder body 1, and the high voltage arm resistance R1 is connected to the metal The columns 2 are connected to each other, and the outer end of the high-voltage arm resistance R1 is covered with an insulating sleeve; the two ends of the high-voltage arm resistance R1 located in the inner part of the cylinder body 1 are respectively sleeved with pressure equalizing rings 3; the cylinder body 1 is equipped with two wires Terminal 4, the outer end of the high-voltage arm resistance R1 and the outer end of the metal connecting column 2 are respectively connected to the two terminals 4; a metal box 5 is also provided outside the cylinder body 1, and a metal box 5 is arranged in the metal box 5 There is a capacitor C2, and two wires connected to ...

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Abstract

The invention relates to a novel DC pulsed attenuator comprising a cylinder body; two ends of the cylinder body are respectively provided with a metal connecting column and a high-voltage arm resistor which are connected in series; the cylinder body is externally provided with a metal box in which a capacitor is arranged; and equalizing rings are installed at two ends of the high-voltage arm resistor. The invention is simple in structure, lower in cost and easy to realize, adopts the equalizing rings to improve the electric filed distribution near high-voltage arms of the attenuator, and avoids the corona phenomenon. The largest strength of electric fields between the equalizing rings is less than the breakdown field strength of media filled in the attenuator. A low-voltage arm resistor connected to the inside of the metal box is connected in parallel with the capacitor, thereby influences to the intrinsic standoff ratio and the phase angle of the attenuator are effectively compensated due to the capacitor distributed between the equalizing rings.

Description

technical field [0001] The invention relates to the subfield of high-voltage measurement, in particular to a novel DC and pulse voltage divider. Background technique [0002] At present, the existing voltage dividers in the market can be divided into two types: DC and pulse types. The response frequency of DC voltage dividers is less than 50Hz (square wave), and the response time of pulse voltage dividers reaches nanoseconds or even sub-nanoseconds. A voltage divider that needs to measure both DC and pulse is still blank in the market. Moreover, the current fast-response voltage divider is directly implemented by connecting resistors and capacitors in series and in parallel, which is bulky and expensive. Contents of the invention [0003] The purpose of the present invention is to provide a novel DC and pulse voltage divider to solve the problem that current market voltage dividers cannot simultaneously meet the dual requirements of DC measurement and pulse measurement. ...

Claims

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Application Information

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IPC IPC(8): G01R15/04
Inventor 蒋力傅鹏潘圣民杨雷李云娜刘保华
Owner INST OF PLASMA PHYSICS CHINESE ACAD OF SCI
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