CN109767884A - A kind of GIL insulator production method with surface conductance gradient distribution - Google Patents
A kind of GIL insulator production method with surface conductance gradient distribution Download PDFInfo
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- CN109767884A CN109767884A CN201811638105.4A CN201811638105A CN109767884A CN 109767884 A CN109767884 A CN 109767884A CN 201811638105 A CN201811638105 A CN 201811638105A CN 109767884 A CN109767884 A CN 109767884A
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Abstract
The present invention discloses a kind of GIL insulator production method with surface conductance gradient distribution.Based on the surface graded hierarchical design of epoxy resin insulator, the fluorination surface layer distribution gradient for making rotary table insulator is handled using fluorinated surface, rotary table insulator is to have the distribution of surface layer electrical conductivity gradients, it is homogenized its field distribution, optimizes the insulation performance of GIL insulator and the reliability of transmission system entirety.There is important value and significance to the performance of optimization GIL insulator.
Description
Technical field
The invention belongs to high voltage installation manufacturing fields, and in particular to a kind of GIL with surface conductance gradient distribution is exhausted
Edge production method.
Background technique
With the fast development of China's high voltage dc transmission technology, gas-insulated pipeline transmits electricity (GIL) in DC power transmission system
Status in system will be more and more important.However insulator made of being poured as epoxy resin is but faced with always by gas-solid interface electricity
Lotus gathers and leads to field distribution seriously uneven problem, the generation of Yi Yinfa accident.Therefore, electric field distortion in the urgent need to address is asked
The effective ways of topic.The GIL insulator with surface conductance gradient distribution is made, for promoting direct current power system further to send out
It opens up significant.
Summary of the invention
The GIL insulator production method with surface conductance gradient distribution that the purpose of the present invention is to provide a kind of.It is based on
The surface graded hierarchical design of epoxy resin insulator, being handled using fluorinated surface divides the fluorination surface layer of rotary table insulator in gradient
Cloth, rotary table insulator are homogenized its field distribution, optimize the insulating properties of GIL insulator to have the distribution of surface layer electrical conductivity gradients
It can be with the reliability of transmission system entirety.The present invention has important value and significance to the performance of optimization GIL insulator.
The purpose of the present invention is what is be achieved through the following technical solutions:
A kind of GIL insulator production method with surface conductance gradient distribution, comprising the following steps:
(1) according to the gradient distribution of surface n layer, be divided into n annular region rotary table insulator is contour from top to bottom, incite somebody to action from
(n-1) a annular region on down pastes Kapton Tape, and n is integer and n >=2；
(2) rotary table insulator is placed in fluorination closed reactor, at the fluorination for carrying out t min (t ﹥ 0) at room temperature
Reason forms fluorination surface layer in most upper one layer of annular region that rotary table insulator surface does not cover adhesive tape；
(3) rotary table insulator is taken out from fluorination closed reactor, after removing adhesive tape, by (n-2) a annular from bottom to top
Paste Kapton Tape in region；
(4) rotary table insulator is placed in fluorination closed reactor, carries out the fluorination treatment of t min at room temperature, i.e.,
Fluorination surface layer is formed in most upper two layers of annular region that rotary table insulator surface does not cover adhesive tape；
(5) and so on, it repeats to paste Kapton Tape, fluorination treatment rotary table insulator and the operation for removing adhesive tape,
By (n-1) secondary fluorination treatment, make top-down n annular region difference fluorination treatment [t* (n-1)] of rotary table insulator,
[t* (n-2)] ..., t, 0min, the rotary table insulator of surface conductance gradient distribution can be obtained.
Further, by carrying out fluorinated surface processing to rotary table insulator, change fluorinated layer thickness and surface layer conductance point
Cloth situation, the field distribution being homogenized in rotary table insulator.
Further, the surface layer distribution of conductivity situation of rotary table insulator is determined by surface graded layering.
Compared with prior art, the beneficial effects brought by the technical solution of the present invention are as follows:
The present invention carries out fluorinated surface processing to rotary table insulator, different in rotary table insulator surface according to design scheme
Position forms different-thickness fluorinated layer, keeps its surface layer conductance uneven, and gradient distribution is presented, and optimizes the performance of rotary table insulator.
Studies have shown that according to surface geometry design fluorination treatment after, the fluorinated layer thickness of epoxy rotary table insulator and surface electricity
Conductance distribution gradient, field distribution will make moderate progress under direct current.Therefore, design and make the fluorinated modified rotary table insulator of gradient
There are important theoretical value and directive significance for the reliability of the insulation performance and transmission system entirety that optimize GIL insulator.
Detailed description of the invention
Fig. 1 is the rotary table insulator design diagram of three layers of gradient distribution of surface conductance；
Fig. 2 is the structural representation of the epoxy resin rotary table insulator of the surface conductance gradient distribution prepared in the present embodiment
Figure.
Specific embodiment
The present invention is described in further detail below in conjunction with the drawings and specific embodiments.It should be appreciated that described herein
Specific embodiment be only used to explain the present invention, be not intended to limit the present invention.
The GIL insulator production method with surface conductance gradient distribution that the present invention relates to a kind of, by insulating to rotary table
Son carries out fluorinated surface processing, changes fluorinated layer thickness and surface layer conductance distribution situation, is homogenized its field distribution；Rotary table insulator
Surface layer distribution of conductivity situation be by it is surface graded layering determine.
Specific surface treatment process is as follows:
(1) according to the gradient distribution on 3 layers of surface, be divided into 3 annular regions rotary table insulator is contour from top to bottom, incite somebody to action from
2 annular regions on down paste Kapton Tape, and rotary table insulator base diameter is 80cm in the present embodiment, and top is straight
Diameter is 27cm, every layer of slice gradient with a thickness of 10cm.
(2) rotary table insulator is placed in fluorination closed reactor, carries out the fluorination treatment of 20min at room temperature, i.e.,
Fluorination surface layer is formed in most upper one layer of annular region that rotary table insulator surface does not cover adhesive tape；
(3) rotary table insulator is taken out from fluorination closed reactor, after removing adhesive tape, by 1 annular region from bottom to top
Paste Kapton Tape；
(4) rotary table insulator is placed in fluorination closed reactor, carries out the fluorination treatment of 10min at room temperature, i.e.,
Fluorination surface layer is formed in most upper two layers of annular region that rotary table insulator surface does not cover adhesive tape；
(5) by 2 fluorination treatments, make the top-down 3 annular regions difference fluorination treatment 20 of rotary table insulator,
10, the rotary table insulator of surface conductance gradient distribution can be obtained in 0min.See Fig. 1 and Fig. 2.
The present invention is not limited to embodiments described above.Above the description of specific embodiment is intended to describe and say
Bright technical solution of the present invention, the above mentioned embodiment is only schematical, is not restrictive.This is not being departed from
In the case of invention objective and scope of the claimed protection, those skilled in the art may be used also under the inspiration of the present invention
The specific transformation of many forms is made, within these are all belonged to the scope of protection of the present invention.
Claims (3)
1. a kind of GIL insulator production method with surface conductance gradient distribution, which comprises the following steps:
(1) according to the gradient distribution of surface n layer, be divided into n annular region rotary table insulator is contour from top to bottom, will from lower and
On (n-1) a annular region paste Kapton Tape, n is integer and n >=2；
(2) rotary table insulator is placed in fluorination closed reactor, carries out the fluorination treatment of t min (t ﹥ 0) at room temperature, i.e.,
Fluorination surface layer is formed in most upper one layer of annular region that rotary table insulator surface does not cover adhesive tape；
(3) rotary table insulator is taken out from fluorination closed reactor, after removing adhesive tape, by (n-2) a annular region from bottom to top
Paste Kapton Tape；
(4) rotary table insulator is placed in fluorination closed reactor, carries out the fluorination treatment of t min at room temperature, i.e., in circle
Most upper two layers of annular region that platform insulator surface does not cover adhesive tape forms fluorination surface layer；
(5) and so on, it repeats to paste Kapton Tape, fluorination treatment rotary table insulator and the operation for removing adhesive tape, pass through
(n-1) secondary fluorination treatment makes top-down n annular region difference fluorination treatment [t* (n-1)], [t* (n- of rotary table insulator
2) the rotary table insulator of surface conductance gradient distribution can be obtained in] ..., t, 0min.
2. a kind of GIL insulator production method with surface conductance gradient distribution, feature exist according to claim 1
In by changing fluorinated layer thickness and surface layer conductance distribution situation, being homogenized circle to the progress fluorinated surface processing of rotary table insulator
Field distribution in platform insulator.
3. a kind of GIL insulator production method with surface conductance gradient distribution, feature exist according to claim 1
In the surface layer distribution of conductivity situation of rotary table insulator is determined by surface graded layering.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201811638105.4A CN109767884B (en) | 2018-12-29 | 2018-12-29 | Manufacturing method of GI L insulator with surface conductance gradient distribution |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201811638105.4A CN109767884B (en) | 2018-12-29 | 2018-12-29 | Manufacturing method of GI L insulator with surface conductance gradient distribution |
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| CN109767884A true CN109767884A (en) | 2019-05-17 |
| CN109767884B CN109767884B (en) | 2020-07-10 |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111261347A (en) * | 2020-01-21 | 2020-06-09 | 天津大学 | High-voltage direct-current basin-type insulator surface roughness functional gradient electric field homogenization method |
| CN111326299A (en) * | 2020-03-25 | 2020-06-23 | 天津大学 | Continuous gradient surface fluorination modification device and method for polymer material |
| CN111460642A (en) * | 2020-03-25 | 2020-07-28 | 天津大学 | High-voltage GI L gas-solid interface electric field distribution optimization method |
| CN112892932A (en) * | 2021-01-25 | 2021-06-04 | 王会波 | Transparent adhesive tape preparation process and transparent adhesive tape prepared by same |
| CN113628816A (en) * | 2021-08-18 | 2021-11-09 | 天津大学 | GIL/GIS metal particle lifting inhibition method based on insulator surface layer function gradient modification |
| CN115050526A (en) * | 2022-06-06 | 2022-09-13 | 清华大学 | Pouring method of layered structure basin-type insulator |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111261347A (en) * | 2020-01-21 | 2020-06-09 | 天津大学 | High-voltage direct-current basin-type insulator surface roughness functional gradient electric field homogenization method |
| CN111326299A (en) * | 2020-03-25 | 2020-06-23 | 天津大学 | Continuous gradient surface fluorination modification device and method for polymer material |
| CN111460642A (en) * | 2020-03-25 | 2020-07-28 | 天津大学 | High-voltage GI L gas-solid interface electric field distribution optimization method |
| CN112892932A (en) * | 2021-01-25 | 2021-06-04 | 王会波 | Transparent adhesive tape preparation process and transparent adhesive tape prepared by same |
| CN112892932B (en) * | 2021-01-25 | 2021-12-14 | 广东新时代包装材料有限公司 | Transparent adhesive tape preparation process and transparent adhesive tape prepared by same |
| CN113628816A (en) * | 2021-08-18 | 2021-11-09 | 天津大学 | GIL/GIS metal particle lifting inhibition method based on insulator surface layer function gradient modification |
| CN113628816B (en) * | 2021-08-18 | 2022-12-20 | 天津大学 | GIL/GIS metal particle lifting inhibition method based on insulator surface layer function gradient modification |
| CN115050526A (en) * | 2022-06-06 | 2022-09-13 | 清华大学 | Pouring method of layered structure basin-type insulator |
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| CN109767884B (en) | 2020-07-10 |
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