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Offshore transformer substation wall bushing aging evaluation method considering high and low temperature factors

A wall-piercing bushing and aging assessment technology, which is applied in the direction of measuring electricity, measuring electrical variables, instruments, etc., can solve the problem of lack of aging evaluation of wall-piercing bushings in offshore substations, and achieve the effect of simple and fast operation

Pending Publication Date: 2022-08-05
GUANGDONG OCEAN UNIVERSITY
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Problems solved by technology

[0003] At present, there is a lack of research on the evaluation of the aging degree of wall-piercing bushings in offshore substations under the influence of high and low temperature factors

Method used

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  • Offshore transformer substation wall bushing aging evaluation method considering high and low temperature factors
  • Offshore transformer substation wall bushing aging evaluation method considering high and low temperature factors
  • Offshore transformer substation wall bushing aging evaluation method considering high and low temperature factors

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Embodiment Construction

[0024] The specific embodiments of the present invention will be further described below in conjunction with the accompanying drawings, including the following steps:

[0025] The first step, such as figure 1 As shown in the figure, build an aging evaluation platform for through-wall bushings of offshore substations that takes into account high and low temperature factors. The platform includes: a grounding device (1), a test box (2), a main engine (3), and a working voltage simulator (4) , working voltage switch (5), switch (6), coaxial cable (7), current measuring device (8), current sensor (9), data recording unit (10), wall bushing test sample (11) ), a temperature processing unit (12), a temperature sensor (13), a temperature adjustment switch (14), a temperature adjustment port (15), and a flow taking device (16);

[0026] The trigger interface of the working voltage switch (5) is connected to the input end of the working voltage simulator (4), the host (3) is connected...

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Abstract

An offshore substation wall bushing aging assessment method considering high and low temperature factors is characterized in that firstly, an offshore substation wall bushing aging assessment platform considering high and low temperature factors is built, and the assessment steps are as follows: a wall bushing test object is placed in a test box to complete grounding; the working condition of the wall bushing is simulated through the working voltage simulator, the temperature in the test box is continuously changed by arranging the temperature adjusting switch, the magnitude of current flowing through the wall bushing under different temperature conditions is captured through the current measuring device, and the corresponding temperature and current data are transmitted to the host. And then calculating an aging evaluation reference value of the wall bushing under the corresponding condition, and further judging what degree the aging of the wall bushing reaches and whether the wall bushing needs to be replaced according to the aging evaluation reference value of the wall bushing. The method mainly aims at evaluating the aging of the wall bushing of the offshore transformer substation, and the main implementation method is to consider the aging evaluation reference value of the wall bushing of the offshore transformer substation, so that the method has non-negligible significance for safe and stable operation of the offshore transformer substation.

Description

technical field [0001] The invention belongs to the technical field of marine casing protection, in particular to an aging evaluation method for an offshore substation through-wall casing that takes into account high and low temperature factors. Background technique [0002] Offshore oilfields are usually in the form of isolated islands, which are far from the land, which is determined by the distribution law of submarine oil and gas resources. Therefore, the safe and stable operation of equipment in the process of offshore oilfield development is a crucial part. In the offshore oil drilling platform, the offshore wall bushing is one of the key devices, especially the air tightness of the wall bushing must be guaranteed. The performance of the through-wall casing is directly related to the operation safety of the entire oil drilling platform, especially in the inconvenient offshore environment, which may not be able to get timely assistance in the event of an emergency. The...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01R31/00
CPCG01R31/003Y04S10/50
Inventor 贾小平
Owner GUANGDONG OCEAN UNIVERSITY
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