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Method and device for determining current-carrying capacity of submarine cable

A submarine cable and a technology to determine the method, which is applied in the direction of electrical digital data processing, special data processing applications, instruments, etc., can solve the problem that the analytical solution does not consider the laying conditions, the gap between the carrying capacity is large, and the cross-sectional area of ​​the submarine cable cannot meet the laying requirements, etc. question

Pending Publication Date: 2021-05-25
STATE NUCLEAR ELECTRIC POWER PLANNING DESIGN & RES INST CO LTD
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Problems solved by technology

[0004] However, since the analytical solution does not take into account the actual laying conditions, the calculated ampacity differs greatly from that of the cable under actual working conditions, resulting in the subsequent determination of the cross-sectional area of ​​the submarine cable that cannot meet the actual laying requirements

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  • Method and device for determining current-carrying capacity of submarine cable
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  • Method and device for determining current-carrying capacity of submarine cable

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Embodiment Construction

[0062]In order to make the objects, technical solutions and advantages of the present disclosure, the present disclosure will be further described in detail below with reference to the accompanying drawings.

[0063]The present disclosure provides a method for determining the amount of submarine cable carrier flow, such asfigure 1 As shown, this determination method includes:

[0064]Step 101: Determine the laying method and the type of arrangement of the subsea cable, the laying method includes any one of the pipe laying, cable groove laying, direct buried laying, and water, the arrangement includes a shape and a zigza and a character stack. Any one in the arrangement.

[0065]It should be noted that the discharge laying refers to the arrangement of the subsea cable 1 in the discharge pipe 2, and uses the discharge pipe 2 to lay the layering in the soil 3. The cable grooves are referred to as opening the cable grooves 4 in the soil 3, and the subsea cable 1 is arranged in the cable groove 4...

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Abstract

The invention provides a method and device for determining the current-carrying capacity of a submarine cable, and belongs to the field of cable design. The determination method comprises: determining laying modes and arrangement types of submarine cables, wherein the laying modes comprise calandria laying, cable trench laying, direct burial laying and underwater laying, and the arrangement types comprise linear side-by-side arrangement and delta-shaped stacking arrangement; dividing the submarine cable into a plurality of layer bodies, and determining size parameters and material parameters of each layer body; constructing a simulation model of the submarine cable according to the laying mode, the arrangement type, the size parameters and the material parameters; determining an influence factor of the submarine cable; dividing each influence factor into a momentum factor and a quantitative factor; assigning a value to the quantitative factor, and adjusting the value of the momentum factor in a set range; and calculating a relation curve between the momentum factor and the current-carrying capacity of the submarine cable according to the numerical values of the quantitative factor and the momentum factor. According to the invention, the current-carrying capacity of the submarine cable can be accurately determined.

Description

Technical field[0001]This disclosure belongs to the field of cable design, and more particularly to a method for determining a decimal and determination apparatus for subsea cable.Background technique[0002]For sea wind farms, due to its special location, it is not easy to configure overhead cables, and the submarine cable needs to be configured. When designing the submarine cable, it is necessary to sufficiently consider the load flow of the seabed cable, that is, the subsea cable can be continuously carrying the maximum current of the allowable temperature. Because there is a certain correlation between the sectional area and current carrying capacity of the submarine cable submarine cable, the ampacity study through the submarine cable, it is possible to determine the desired cross-sectional area of ​​the submarine cable, in order to avoid cross-sectional area of ​​a submarine cable laying too large to The cost is too high, and the optimal allocation of power quality and economy i...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F30/18G06F30/20G06F111/10G06F113/16
CPCG06F30/18G06F30/20G06F2111/10G06F2113/16
Inventor 罗栋梁陈楠龙晓慧杨思宁刘志强蒋陶宁刘洋赵晓慧王佳鹏蒋成飞高平平张晴亓帅汪浩博
Owner STATE NUCLEAR ELECTRIC POWER PLANNING DESIGN & RES INST CO LTD
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