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Simulation method and system for internal discharge of high-voltage cross-linked submarine cable

A partial discharge and high voltage technology, which is applied in the field of high-voltage cable condition maintenance, can solve the problem that it cannot directly simulate the internal discharge physical phenomenon and characteristic discharge signal of high-voltage cross-linked submarine cables, and cannot effectively support the deepening of the partial discharge live detection technology of high-voltage cross-linked submarine cables. research and development issues

Pending Publication Date: 2019-07-23
CHINA ELECTRIC POWER RES INST +2
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Problems solved by technology

At present, there is no internal discharge simulation device and method for high-voltage cross-linked submarine cables in China. As a result, laboratory partial discharge detection research cannot directly simulate the internal discharge physical phenomena and characteristic discharge signals of high-voltage cross-linked submarine cables, and cannot effectively support high-voltage cross-linked cables. Deepening Research and Development of Submarine Cable Partial Discharge Live Detection Technology

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  • Simulation method and system for internal discharge of high-voltage cross-linked submarine cable
  • Simulation method and system for internal discharge of high-voltage cross-linked submarine cable
  • Simulation method and system for internal discharge of high-voltage cross-linked submarine cable

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[0041] 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.

[0042] 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 simulation method and a system for internal discharge of a high-voltage cross-linked submarine cable, wherein the method comprises the following steps: applying a fitting signal with typical defect discharge characteristics to the detection loop of a partial discharge electrified detection sensor through an analog signal generating device; and adjusting the analog signalgenerating device to enable the fitting signal with the typical defect discharge characteristics applied by the analog signal generating device to achieve the effect of simulating the typical discharge in the high-voltage cross-linked submarine cable.

Description

technical field [0001] The invention relates to the technical field of high-voltage cable condition maintenance technology, and more specifically, to a simulation method and system for internal discharge of high-voltage cross-linked submarine cables. Background technique [0002] Although both the high-voltage submarine cable system and the high-voltage terrestrial cable system are used for power transmission, there are significant differences between the high-voltage submarine cable system and the high-voltage terrestrial cable system, which are mainly reflected in the internal structure, grounding form and operating environment. In addition, the length of the high-voltage submarine cable section (ie The continuous length between accessories) is usually much longer than the high-voltage land cable line. [0003] Differences in the internal structure of high-voltage single-core cross-linked submarine cables and high-voltage single-core cross-linked land cables: Taking 500kV ...

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Application Information

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IPC IPC(8): G01R31/08G01R31/12
CPCG01R31/083G01R31/1272
Inventor 夏荣肖世杰胡列翔郑海欧阳本红王昱力刘松华
Owner CHINA ELECTRIC POWER RES INST
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