Method and system for determining parameters of test line segment wave trapper

A technique for determining tests, wave traps, applied to shielding devices, etc.

Active Publication Date: 2020-11-17
CHINA ELECTRIC POWER RES INST +4
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0005] The invention proposes a method for determining the parameters of the test line wave trap to solve the problem of how to quickly and accurately determine the parameters of the test line wave trap

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  • Method and system for determining parameters of test line segment wave trapper
  • Method and system for determining parameters of test line segment wave trapper
  • Method and system for determining parameters of test line segment wave trapper

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Embodiment Construction

[0068] Exemplary embodiments of the present invention will now be described with reference to the drawings; however, the present invention may be embodied in many different forms and are not limited to the embodiments described herein, which are provided for the purpose of exhaustively and completely disclosing the present invention. invention and fully convey the scope of the invention to those skilled in the art. The terms used in the exemplary embodiments shown in the drawings do not limit the present invention. In the figures, the same units / elements are given the same reference numerals.

[0069] Unless otherwise specified, the terms (including scientific and technical terms) used herein have the commonly understood meanings to those skilled in the art. In addition, it can be understood that terms defined by commonly used dictionaries should be understood to have consistent meanings in the context of their related fields, and should not be understood as idealized or over...

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Abstract

The invention discloses a method and a system for determining parameters of a test line segment wave trapper. The method comprises the following steps: establishing a circuit simulation model comprising the wave trapper, a high-voltage test power supply and the test line segment; based on the circuit simulation model, injecting sine wave currents with equal amplitudes and different frequencies into a preset position of the test line segment, and respectively obtaining current amplitudes flowing from the wave trapper to a high-voltage test power supply under different wave trapper working frequencies; according to the amplitude of the current flowing from the wave trapper to the high-voltage test power supply under different wave trapper working frequencies, respectively calculating the attenuation of the wave trapper under different wave trapper working frequencies; and if the attenuation amount of the wave trapper under different working frequencies is greater than or equal to a preset attenuation amount threshold value, determining that the current capacitance value of the wave trapper is the capacitance optimal value of the wave trapper, and determining that the current inductance value of the wave trapper is the inductance optimal value of the wave trapper.

Description

technical field [0001] The invention relates to the technical field of design of wave traps for high-voltage test lines in the electric power field, and more specifically, to a method and system for determining parameters of wave traps for test lines. Background technique [0002] When carrying out research on the electromagnetic environment of transmission lines, especially radio interference, the test line section is a relatively common test method. When working, the first end of the test line needs to be connected to the high-voltage test power supply, and the end is open. However, due to the limited length of the test line, the harmonic current generated by the high-voltage test power supply due to rectification or switching on and off will inevitably spread to the test wire, which will interfere with the radio interference measurement of the test line. In order to isolate the harmonic interference from the side of the high-voltage test power supply, a wave trap needs t...

Claims

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Application Information

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IPC IPC(8): G01R1/18
CPCG01R1/18
Inventor 赵录兴小布穷王炳强陈绍义谢莉岳嵩马建功朱鹏李大鹏陈先行
Owner CHINA ELECTRIC POWER RES INST
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