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Method and system for arranging line for preliminary qualification test of submarine cable system

A submarine cable and qualification test technology, applied in the direction of measuring electricity, measuring devices, measuring electrical variables, etc., can solve the problem of no clear pre-qualification test circuit layout method, pre-qualification test is not operable, etc., to achieve objective long-term performance Effect

Inactive Publication Date: 2018-09-28
CHINA ELECTRIC POWER RES INST +1
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  • Abstract
  • Description
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Problems solved by technology

However, the current submarine cable system standard does not have a clear layout method for the pre-qualification test line, so that the pre-qualification test is not operable

Method used

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  • Method and system for arranging line for preliminary qualification test of submarine cable system
  • Method and system for arranging line for preliminary qualification test of submarine cable system
  • Method and system for arranging line for preliminary qualification test of submarine cable system

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Embodiment Construction

[0028] 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.

[0029] 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 the 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 ...

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Abstract

The invention provides a method and system for arranging a line for a preliminary qualification test of a submarine cable system, and the method comprises the steps: arranging a place, and setting a seawater environment simulation pool, a tunnel, a snake-shaped laying region, an underground threading cable trench, a directly buried cable trench, and an arc-shaped bent cable trench; laying a submarine cable at the arranged place, and dividing the laid line into various laid segments according to the difference of operation environments and laying states; installing submarine cable accessories;and completing the burying and seawater simulation environment arrangement according to the laying requirements. The method and system can achieve the arrangement of the submarine cable line on the land, increase the seawater environment simulation segment, enable the arrange of the line for the preliminary qualification test of the submarine cable system to completely represent the conditions ofthe laying design in the submarine cable standard, can guarantee that the long-term performances of the submarine cable system are checked truly, effectively, scientifically and objectively through the preliminary qualification test.

Description

technical field [0001] The present invention relates to the field of pre-qualification testing of submarine cable systems, and more particularly, to a method and system for arranging lines of submarine cable systems for pre-qualification testing. Background technique [0002] At present, relevant standards for submarine cables include "GB / T 32346.1-2015 Rated Voltage 220kV XLPE Insulated Large Length AC Submarine Cables and Accessories Part 1 Test Methods and Requirements" and "CIGRE TB 490:2012 Recommendations for Testing of Long AC Submarine Cables" with Extruded Insulation for System Voltage above 30(36)to 500(550)kV". Among them, in the overview of the pre-qualification test of the submarine cable system, it is written that the pre-qualification test is carried out on the electrical test of the finished cable sample with a length of about 100 meters, including at least one of each accessory. The minimum clear length of cables between accessories shall be 10 meters. How...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01R31/12
CPCG01R31/1272
Inventor 徐明忠阎孟昆王蕾梁正波翟浩琪侯俊平刘宗喜代静汪英英苗付贵彭超倪玉林钱云龙
Owner CHINA ELECTRIC POWER RES INST
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