High-voltage divider

A high-voltage voltage divider, voltage divider technology, applied in the direction of voltage divider, can solve the problems of distribution parameter influence, complex technical parameters, etc., to achieve the effect of stable performance

Inactive Publication Date: 2014-05-14
杨丽琴
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0003] The purpose of the present invention is to provide a high-voltage voltage divider to solve the problems of the above-mentioned influence of distribution parameters and complicated techn

Method used

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  • High-voltage divider

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Embodiment Construction

[0014] Further illustrate the present invention in conjunction with accompanying drawing and embodiment, as figure 1 As shown, the core of the present invention is a ceramic rod coated with a resistance film of the high and low voltage arms, which is used as the body 1 of the voltage divider, and the signal electrode 9 is drawn out from the body 1 of the voltage divider. Insulation medium 2, resistance 3 for equipotential shielding and a layer of buffer film 4 coated on the outside of equipotential shielding resistance 3, silver-plated copper caps with threaded holes are installed at both ends of the voltage divider to lead out high-voltage electrodes 5 and ground electrodes 6. A high voltage equalizing shield 7 and a grounding equalizing shield 8 are installed on the high voltage electrode 5 and the ground electrode 6 respectively.

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Abstract

The invention relates to a high-voltage divider and belongs to the technical field of power industry devices. The high-voltage divider of the invention is mounted on a ceramic rod. Imported raw slurries and imported production process are adopted in the production of a resistance film; in order to eliminate the influence of capacitance distributed capacitance on the divider, the outer layer of the divider is sleeved with an equal-altitude high-voltage thick-filmed resistor; in order to adapt to integrated pour encapsulation of resin and silica gel of the divider, the middle layer of the divider is filled with a buffer material; and the outermost layer of the divider is coated with a buffer film, and therefore, the divider has excellent adhesion and stress resistant performance. According to the high-voltage divider of the invention, technological measures such as of compensation and shielding are adopted for the divider, and therefore, standard output of the divider can be ensured.

Description

technical field [0001] The invention relates to a high-voltage voltage divider, which belongs to the technical field of electric power industry devices. Background technique [0002] On-line high-voltage (10kV, 35kV) measurement, monitoring and protection, often use an electronic transformer with resistance voltage divider technology to replace the traditional electromagnetic voltage transformer, because of its small size, light weight, unsaturated, non-toxic There are many advantages such as ferromagnetic resonance and wide frequency bandwidth. But why can't this kind of electronic transformer completely replace the traditional electromagnetic transformer? In addition to national policies, usage habits, supporting facilities and other reasons, the most important point is that electronic transformers using resistance voltage divider technology still have many imperfections, such as poor stability, large temperature drift, and susceptibility to interference. The reason is c...

Claims

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Application Information

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IPC IPC(8): G01R15/06
Inventor 杨丽琴
Owner 杨丽琴
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