CN106446418A - Cable terminal inflow water defect electric-field distribution analysis method and device - Google Patents
Cable terminal inflow water defect electric-field distribution analysis method and device Download PDFInfo
- Publication number
- CN106446418A CN106446418A CN201610856805.5A CN201610856805A CN106446418A CN 106446418 A CN106446418 A CN 106446418A CN 201610856805 A CN201610856805 A CN 201610856805A CN 106446418 A CN106446418 A CN 106446418A
- Authority
- CN
- China
- Prior art keywords
- water inlet
- cable termination
- water level
- porcelain bushing
- bushing type
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F30/00—Computer-aided design [CAD]
- G06F30/20—Design optimisation, verification or simulation
- G06F30/23—Design optimisation, verification or simulation using finite element methods [FEM] or finite difference methods [FDM]
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F2113/00—Details relating to the application field
- G06F2113/16—Cables, cable trees or wire harnesses
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Computer Hardware Design (AREA)
- Evolutionary Computation (AREA)
- Geometry (AREA)
- General Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Testing Relating To Insulation (AREA)
Abstract
The embodiment of the invention discloses a cable terminal inflow water defect electric-field distribution analysis method and device and aims at solving the problem that in the prior art, the influence of different inflow water levels on a terminal electric field is not researched. The method comprises the steps that inflow water defect ANSYS simulation models at different levels of a porcelain bushing cable terminal are established; attributes of the inflow water defect ANSYS simulation models at different levels of the porcelain bushing cable terminal are set; the attributes of the inflow water defect ANSYS simulation models at different levels of the porcelain bushing cable terminal are distributed; grid division is conducted on the inflow water defect ANSYS simulation models at different levels of the porcelain bushing cable terminal having the distributed attributes to obtain inflow water defect ANSYS finite element simulation models at different levels of the porcelain bushing cable terminal; boundary conditions of the inflow water defect ANSYS finite element simulation models at different levels of the porcelain bushing cable terminal are loaded to solve inflow water defect electric-field distribution results at different levels of the porcelain bushing cable terminal.
Description
Technical field
The present invention relates to cable termination Electric Field Distribution technical field, particularly relate to a kind of cable termination water inlet
Defect Electric Field Distribution analyzes method and device.
Background technology
Owing to this body structure of terminal is complicated, fabrication and installation technique imperfection and the reason such as running environment is severe, therefore running
During, porcelain bushing type cable termination there will be various defect, and these defects are under voltage x current effect, it may occur that local anomaly is sent out
Thermal phenomenon, affects the safe and stable operation of cable run.In the infrared terminal abnormal heating defect patrolling and examining discovery, water inlet is one
Plant typical voltage-type pyrogenicity defect.In During Process of Long-term Operation, terminal is probably due to insulating oil quality and problem of aging produce
Moisture, it is also possible to cause into water because sealing property is bad.Owing to the density of water is more than insulating oil, Gu Shui can deposit downwards, enter
And make leakage current and dielectric loss increase, the local anomaly heating imagination occurs.
For the impact on cable termination internal electric field for the water inlet, after the cable termination water inlet of existing document analysis, water exists
The influencing mechanism to electric field for the terminal inner, and simulate into water water level exceed stress cone when terminal voltage distribution situation, but
The research affecting aspect to terminal electric field at difference water inlet water level also lacks very much.
Content of the invention
Embodiments provide a kind of cable termination water inlet defect Electric Field Distribution and analyze method and device, be used for solving
The problem to terminal electric field influence research for the water level difference not intake in prior art.
A kind of cable termination water inlet defect Electric Field Distribution that the embodiment of the present invention provides analyzes method, including：
Build the water inlet defect ANSYS simulation model of the different water level of porcelain bushing type cable termination；
The attribute of the water inlet defect ANSYS simulation model of the different water level of porcelain bushing type cable termination is set；
The attribute of the water inlet defect ANSYS simulation model of the different water level of distribution porcelain bushing type cable termination；
To the porcelain bushing type cable termination of distributive property, the water inlet defect ANSYS simulation model of different water levels carries out grid and draws
Point, obtain the water inlet defect ANSYS limit element artificial module of the different water level of porcelain bushing type cable termination；
Load the boundary condition of the water inlet defect ANSYS limit element artificial module of the different water level of porcelain bushing type cable termination, ask
Solution obtains the water inlet defect Electric Field Distribution result of the different water level of porcelain bushing type cable termination.
Alternatively, the water inlet defect ANSYS simulation model building the different water level of porcelain bushing type cable termination specifically includes：
Build water inlet defect 1/2nd ontology model of the different water level of porcelain bushing type cable termination；
Build air portion sub-model；
Water inlet defect 1/2nd ontology model of the different water level of described porcelain bushing type cable termination includes outside radome, porcelain
Set, silicone oil, cable cross-linking polyethylene insulation, cable copper core, stress cone insulated part, stress cone semiconductive portions, water and ground connection
Pole；
Described different water level includes the bottom of water level extremely described stress cone, the middle part of water level to described stress cone, water level extremely
The top of described stress cone and water level exceed the top of described stress cone；
Described air portion sub-model includes two parts；The finite field that a part is quadrant；Another part is four points
One of the infinite field of annulus.
Alternatively, the attribute of the water inlet defect ANSYS simulation model arranging the different water level of porcelain bushing type cable termination specifically wraps
Include：
The cell attribute of the water inlet defect ANSYS simulation model of the different water level of porcelain bushing type cable termination is set；
The material properties of the water inlet defect ANSYS simulation model of the different water level of porcelain bushing type cable termination is set.
Alternatively, the cell attribute tool of the water inlet defect ANSYS simulation model of the different water level of porcelain bushing type cable termination is set
Body includes：
Arranging described porcelain bushing type cable termination ontology model is PLANE121 unit；
Arranging the finite field part in described air portion sub-model is PLANE121 unit；
Arranging the infinite field part in described air portion sub-model is INFIN110 unit.
Alternatively, the material properties tool of the water inlet defect ANSYS simulation model of the different water level of porcelain bushing type cable termination is set
Body includes：
The material properties arranging model is the relative dielectric constant of model each several part, and wherein cable cross-linking polyethylene is relative
Dielectric constant is 2.2, and the relative dielectric constant of silicone oil is 2.7, and the relative dielectric constant of stress cone insulated part is 3.2, stress
The relative dielectric constant of cone semiconductive portions is 3.6, and the relative dielectric constant of porcelain overcoat is 6, and the relative dielectric constant of water is 81,
The relative dielectric constant of air is 1.
Alternatively, the attribute of the water inlet defect ANSYS simulation model distributing the different water level of porcelain bushing type cable termination specifically wraps
Include：
Distribute to entering of the different water level of porcelain bushing type cable termination by corresponding with material properties for the cell attribute arranging model
Water defect ANSYS simulation model various piece.
Alternatively, the water inlet defect ANSYS simulation model of the different water level of porcelain bushing type cable termination of distributive property is entered
Row stress and strain model, the water inlet defect ANSYS limit element artificial module obtaining the different water level of porcelain bushing type cable termination specifically includes：
Triangular shaped free mesh is carried out to described porcelain bushing type cable termination ontology model；
Triangular shaped free mesh is carried out to the finite field part in described air portion sub-model；
The map grids carrying out quadrangle form to the infinite field part in described air portion sub-model divides.
Alternatively, the border of the water inlet defect ANSYS limit element artificial module of the different water level of porcelain bushing type cable termination is loaded
Condition, solves and obtains the water inlet defect Electric Field Distribution result of the different water level of porcelain bushing type cable termination and specifically include：
Apply 128kV phase voltage to described cable copper core and described radome；
Apply 0V voltage to described semiconductive stress cone and described earthing pole；
Solve the water inlet defect Electric Field Distribution result obtaining the different water level of porcelain bushing type cable termination.
A kind of cable termination water inlet defect Electric Field Distribution analytical equipment that the embodiment of the present invention provides, including：
Build module, for building the water inlet defect ANSYS simulation model of the different water level of porcelain bushing type cable termination；
Module is set, for arranging the attribute of the water inlet defect ANSYS simulation model of the different water level of porcelain bushing type cable termination；
Distribution module, for distributing the attribute of the water inlet defect ANSYS simulation model of the different water level of porcelain bushing type cable termination；
Divide module, for the water inlet defect ANSYS emulation of the different water level of porcelain bushing type cable termination to distributive property
Model carries out stress and strain model, obtains the water inlet defect ANSYS limit element artificial module of the different water level of porcelain bushing type cable termination；
Load-on module, for loading the water inlet defect ANSYS limit element artificial module of the different water level of porcelain bushing type cable termination
Boundary condition；
Computing module, for solving the water inlet defect Electric Field Distribution result obtaining the different water level of porcelain bushing type cable termination.
Alternatively, described structure module includes：
First structure submodule, for building water inlet defect 1/2nd body mould of the different water level of porcelain bushing type cable termination
Type；
Second structure submodule, is used for building air portion sub-model.
As can be seen from the above technical solutions, the embodiment of the present invention has the following advantages：
A kind of cable termination water inlet defect Electric Field Distribution that the embodiment of the present invention provides analyzes method and device, wherein cable
Terminal water inlet defect Electric Field Distribution analyzes method, including：Water inlet defect ANSYS building the different water level of porcelain bushing type cable termination is imitated
True mode；The attribute of the water inlet defect ANSYS simulation model of the different water level of porcelain bushing type cable termination is set；Distribution porcelain bushing type cable
The attribute of the water inlet defect ANSYS simulation model of the different water level of terminal；The different water of porcelain bushing type cable termination to distributive property
The water inlet defect ANSYS simulation model of position carries out stress and strain model, obtains the water inlet defect of the different water level of porcelain bushing type cable termination
ANSYS limit element artificial module；Load the water inlet defect ANSYS limit element artificial module of the different water level of porcelain bushing type cable termination
Boundary condition, solves the water inlet defect Electric Field Distribution result obtaining the different water level of porcelain bushing type cable termination.In the embodiment of the present invention
In, cable termination water inlet defect Electric Field Distribution analyzes method, carries out ANSYS modeling to cable termination, studies water level respectively and is answering
Bottom power cone, water level is in the middle part of stress cone, water level is in the case of stress cone top and water level exceed stress cone four kinds electric field
Distribution.The affecting laws to cable termination Electric Field Distribution for the water inlet drawing has practical significance, can become terminal stress cone excellent
Change design or the foundation of the measure that provides alert.
Brief description
In order to be illustrated more clearly that the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
In having technology to describe, the accompanying drawing of required use is briefly described, it should be apparent that, the accompanying drawing in describing below is only this
Some embodiments of invention, for those of ordinary skill in the art, on the premise of not paying creative work, also may be used
To obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 analyzes an enforcement of method for a kind of cable termination water inlet defect Electric Field Distribution that the embodiment of the present invention provides
The schematic flow sheet of example；
Another of a kind of cable termination water inlet defect Electric Field Distribution analysis method that Fig. 2 provides for the embodiment of the present invention is real
Execute example schematic flow sheet；
The structural representation of a kind of cable termination water inlet defect Electric Field Distribution analytical equipment that Fig. 3 provides for the embodiment of the present invention
Figure；
Fig. 4 is the structural representation of porcelain bushing type cable termination water inlet 1/2nd ontology models in the present invention；
Fig. 5 is porcelain bushing type cable termination air portion sub-model schematic diagram in the present invention；
Fig. 6 is porcelain bushing type cable termination water inlet defect ANSYS simulation model stress and strain model figure in the present invention；
Fig. 7 (a) is middle water level of the present invention to when bottom stress cone, the distribution map of the electric field of porcelain bushing type cable termination；
Fig. 7 (b) is middle water level of the present invention to when in the middle part of stress cone, the distribution map of the electric field of porcelain bushing type cable termination；
Fig. 7 (c) be middle water level of the present invention to stress cone top when, the distribution map of the electric field of porcelain bushing type cable termination；
Fig. 7 (d) be middle water level of the present invention exceed stress cone top when, the distribution map of the electric field of porcelain bushing type cable termination.
Detailed description of the invention
Embodiments provide a kind of cable termination water inlet defect Electric Field Distribution and analyze method and device, be used for solving
The problem to terminal electric field influence research for the water level difference not intake in prior art.
For making goal of the invention, the feature of the present invention, advantage can be more obvious and understandable, below in conjunction with the present invention
Accompanying drawing in embodiment, is clearly and completely described to the technical scheme in the embodiment of the present invention, it is clear that disclosed below
Embodiment be only a part of embodiment of the present invention, and not all embodiment.Based on the embodiment in the present invention, this area
All other embodiment that those of ordinary skill is obtained under the premise of not making creative work, broadly falls into present invention protection
Scope.
Referring to Fig. 1, a kind of cable termination water inlet defect Electric Field Distribution that the embodiment of the present invention provides analyzes the one of method
Individual embodiment includes：
101st, the water inlet defect ANSYS simulation model of the different water level of porcelain bushing type cable termination is built；
In this example, the water inlet defect ANSYS simulation model of the different water level of described porcelain bushing type cable termination includes insulator
Water inlet defect 1/2nd ontology model of the different water level of formula cable termination and air portion sub-model.
The 102nd, the attribute of the water inlet defect ANSYS simulation model of the different water level of porcelain bushing type cable termination is set.
103rd, the attribute of the water inlet defect ANSYS simulation model of the different water level of porcelain bushing type cable termination is distributed；
In the present embodiment, porcelain bushing type cable termination is distributed to by corresponding with material properties for the model unit attribute setting
The water inlet defect ANSYS simulation model various piece of different water levels.
104th, net is carried out to the water inlet defect ANSYS simulation model of the different water level of porcelain bushing type cable termination of distributive property
Lattice divide, and obtain the water inlet defect ANSYS limit element artificial module of the different water level of porcelain bushing type cable termination.
105th, the perimeter strip of the water inlet defect ANSYS limit element artificial module of the different water level of porcelain bushing type cable termination is loaded
Part, solves the water inlet defect Electric Field Distribution result obtaining the different water level of porcelain bushing type cable termination.
Above-described embodiment is that a kind of cable termination water inlet defect Electric Field Distribution analysis method providing the present invention is carried out in detail
Thin description, will be described in detail to detailed process below, refer to Fig. 2, a kind of cable that the embodiment of the present invention provides
Another embodiment that terminal water inlet defect Electric Field Distribution analyzes method includes：
201st, building water inlet defect 1/2nd ontology model of the different water level of porcelain bushing type cable termination, model includes cable
Copper core, cable cross-linking polyethylene insulation, silicone oil, stress cone insulated part, stress cone semiconductive portions, porcelain overcoat and water.Different
Water inlet water level include water level to bottom stress cone, in the middle part of water level to stress cone, water level to stress cone top and water level exceed stress
Cone top part；Building air portion sub-model, model includes two parts, the finite field that a part is quadrant；Another part is
The infinite field of quadrant ring.
202nd, the finite field part in porcelain bushing type cable termination ontology model and Air model is set to PLANE121 unit,
Infinite field part in Air model is set to INFIN110 unit, and the material properties of model is arrange model each several part relative
Dielectric constant, wherein the relative dielectric constant of cable cross-linking polyethylene is 2.2, and the relative dielectric constant of silicone oil is 2.7, stress cone
The relative dielectric constant of insulated part is 3.2, and the relative dielectric constant of stress cone semiconductive portions is 3.6, porcelain overcoat relative
Dielectric constant is 6, and the relative dielectric constant of water is 81, and the relative dielectric constant of air is 1；
In the present embodiment, PLANE121 unit represents two-dimentional eight node electrostatic entities；INFIN110 unit represents two dimension nothing
Limit entity.
203rd, the different water level of porcelain bushing type cable termination is distributed to by corresponding with material properties for the model unit attribute setting
Water inlet defect ANSYS simulation model various piece.
204th, the water inlet defect ANSYS simulation model of different water levels enters to porcelain bushing type cable termination to use intelligence dividing tool
Row stress and strain model, wherein the finite field part in porcelain bushing type cable termination ontology model and Air model uses triangular shaped
Free mesh, the infinite field part in Air model uses the map grids of quadrangle form to divide.
205th, apply 128kV phase voltage to cable conductor, radome, apply 0V voltage to semiconductive stress cone, earthing pole,
Solve the water inlet defect Electric Field Distribution result obtaining the different water level of porcelain bushing type cable termination.
Above-mentioned is that a kind of cable termination water inlet defect Electric Field Distribution analysis method providing the present invention carries out concrete retouching
State, below a kind of cable termination water inlet defect Electric Field Distribution analytical equipment structure function providing the present invention be described,
Referring to Fig. 3, an embodiment of a kind of cable termination water inlet defect Electric Field Distribution analytical equipment that the present invention provides includes：
Build module 301, for building the water inlet defect ANSYS simulation model of the different water level of porcelain bushing type cable termination；
Module 302 is set, for arranging the list of the water inlet defect ANSYS simulation model of the different water level of porcelain bushing type cable termination
Meta-attribute and material properties；
Distribution module 303, the water inlet defect ANSYS simulation model for water levels different to porcelain bushing type cable termination belongs to
Property distribution；
Dividing module 304, the water inlet defect ANSYS simulation model for water levels different to porcelain bushing type cable termination carries out net
Lattice divide, and obtain the water inlet defect ANSYS limit element artificial module of the different water level of porcelain bushing type cable termination；
Load-on module 305, for loading the water inlet defect ANSYS finite element simulation mould of the different water level of porcelain bushing type cable termination
The boundary condition of type；
Computing module 306, for solving the water inlet defect Electric Field Distribution result obtaining the different water level of porcelain bushing type cable termination.
Further, build module 301 to specifically include：
First structure submodule 3011, for building the water inlet defect 1/2nd of the different water level of porcelain bushing type cable termination
Body Model；
Second structure submodule 3012, is used for building air portion sub-model.
Above-mentioned is that a kind of cable termination water inlet defect Electric Field Distribution analytical equipment structure function providing the present invention is carried out
Describe, below will with an application process, present invention is described, refer to Fig. 4, Fig. 5, Fig. 6, Fig. 7 (a), Fig. 7 (b), Fig. 7
C () and Fig. 7 (d), the application examples that a kind of cable termination water inlet defect Electric Field Distribution that the present invention provides analyzes method includes：
As shown in Figure 4, water inlet defect 1/2nd ontology model of the different water level of cable termination specifically includes：Radome,
Porcelain overcoat, silicone oil, cable cross-linking polyethylene insulation, cable copper core, stress cone insulated part, stress cone semiconductive portions, water and
Earthing pole.
As it is shown in figure 5, air portion sub-model, model includes two parts, the finite field that a part is quadrant；Another
The infinite field that part is quadrant ring.
As shown in Figure 6, the water inlet defect ANSYS emulation of intelligence dividing tool different water levels to porcelain bushing type cable termination is used
Model carries out stress and strain model, and wherein the finite field part in porcelain bushing type cable termination ontology model and Air model uses triangle
The free mesh of shape, the infinite field part in Air model uses the map grids of quadrangle form to divide.
As shown in Fig. 7 (a), Fig. 7 (b), Fig. 7 (c) and Fig. 7 (d), respectively water level to bottom stress cone, water level is to stress
In the middle part of cone, water level to stress cone top and water level be when exceeding stress cone top, the Electric Field Distribution situation of each porcelain bushing type cable termination.
Load the boundary condition of the water inlet defect ANSYS limit element artificial module of the different water level of porcelain bushing type cable termination, ask
Solution obtains the water inlet defect Electric Field Distribution result of the different water level of porcelain bushing type cable termination.
Above-mentioned is that a kind of cable termination water inlet defect Electric Field Distribution providing the present invention analyzes retouching of applying of method
State, by building model, the water inlet defect Electric Field Distribution of different water levels is analyzed.
The above, above example only in order to technical scheme to be described, is not intended to limit；Although with reference to front
State embodiment to be described in detail the present invention, it will be understood by those within the art that：It still can be to front
State the technical scheme described in each embodiment to modify, or equivalent is carried out to wherein portion of techniques feature；And these
Modification or replacement, do not make the essence of appropriate technical solution depart from the spirit and scope of various embodiments of the present invention technical scheme.
Claims (10)
1. a cable termination water inlet defect Electric Field Distribution analyzes method, it is characterised in that include：
Build the water inlet defect ANSYS simulation model of the different water level of porcelain bushing type cable termination；
The attribute of the water inlet defect ANSYS simulation model of the different water level of porcelain bushing type cable termination is set；
The attribute of the water inlet defect ANSYS simulation model of the different water level of distribution porcelain bushing type cable termination；
Stress and strain model is carried out to the water inlet defect ANSYS simulation model of the different water level of porcelain bushing type cable termination of distributive property,
Obtain the water inlet defect ANSYS limit element artificial module of the different water level of porcelain bushing type cable termination；
Load the boundary condition of the water inlet defect ANSYS limit element artificial module of the different water level of porcelain bushing type cable termination, solve
Water inlet defect Electric Field Distribution result to the different water level of porcelain bushing type cable termination.
2. cable termination according to claim 1 water inlet defect Electric Field Distribution analyzes method, it is characterised in that build insulator
The water inlet defect ANSYS simulation model of the different water level of formula cable termination specifically includes：
Build water inlet defect 1/2nd ontology model of the different water level of porcelain bushing type cable termination；
Build air portion sub-model；
Water inlet defect 1/2nd ontology model of the different water level of described porcelain bushing type cable termination includes radome, porcelain overcoat, silicon
Oil, cable cross-linking polyethylene insulation, cable copper core, stress cone insulated part, stress cone semiconductive portions, water and earthing pole；
Described different water level includes that the bottom of water level extremely described stress cone, the middle part of water level to described stress cone, water level are extremely described
The top of stress cone and water level exceed the top of described stress cone；
Described air portion sub-model includes two parts；The finite field that a part is quadrant；Another part is 1/4th
The infinite field of annulus.
3. cable termination according to claim 2 water inlet defect Electric Field Distribution analyzes method, it is characterised in that arrange insulator
The attribute of the water inlet defect ANSYS simulation model of the different water level of formula cable termination specifically includes：
The cell attribute of the water inlet defect ANSYS simulation model of the different water level of porcelain bushing type cable termination is set；
The material properties of the water inlet defect ANSYS simulation model of the different water level of porcelain bushing type cable termination is set.
4. cable termination according to claim 3 water inlet defect Electric Field Distribution analyzes method, it is characterised in that arrange insulator
The cell attribute of the water inlet defect ANSYS simulation model of the different water level of formula cable termination specifically includes：
Arranging described porcelain bushing type cable termination ontology model is PLANE121 unit；
Arranging the finite field part in described air portion sub-model is PLANE121 unit；
Arranging the infinite field part in described air portion sub-model is INFIN110 unit.
5. cable termination according to claim 3 water inlet defect Electric Field Distribution analyzes method, it is characterised in that arrange insulator
The material properties of the water inlet defect ANSYS simulation model of the different water level of formula cable termination specifically includes：
The material properties arranging model is the relative dielectric constant of model each several part, wherein the relative dielectric of cable cross-linking polyethylene
Constant is 2.2, and the relative dielectric constant of silicone oil is 2.7, and the relative dielectric constant of stress cone insulated part is 3.2, stress cone half
The relative dielectric constant of current-carrying part is 3.6, and the relative dielectric constant of porcelain overcoat is 6, and the relative dielectric constant of water is 81, air
Relative dielectric constant be 1.
6. cable termination according to claim 3 water inlet defect Electric Field Distribution analyzes method, it is characterised in that distribution insulator
The attribute of the water inlet defect ANSYS simulation model of the different water level of formula cable termination specifically includes：
Corresponding with material properties for the cell attribute the arranging model water inlet distributing to the different water level of porcelain bushing type cable termination is lacked
Fall into ANSYS simulation model various piece.
7. cable termination according to claim 6 water inlet defect Electric Field Distribution analyzes method, it is characterised in that to distributing
The water inlet defect ANSYS simulation model of the different water level of the porcelain bushing type cable termination of attribute carries out stress and strain model, obtains porcelain bushing type electricity
The water inlet defect ANSYS limit element artificial module of the different water level of cable terminal specifically includes：
Triangular shaped free mesh is carried out to described porcelain bushing type cable termination ontology model；
Triangular shaped free mesh is carried out to the finite field part in described air portion sub-model；
The map grids carrying out quadrangle form to the infinite field part in described air portion sub-model divides.
8. cable termination according to claim 7 water inlet defect Electric Field Distribution analyzes method, it is characterised in that load insulator
The boundary condition of the water inlet defect ANSYS limit element artificial module of the different water level of formula cable termination, solves and obtains porcelain bushing type cable
The water inlet defect Electric Field Distribution result of the different water level of terminal specifically includes：
Apply 128kV phase voltage to described cable copper core and described radome；
Apply 0V voltage to described semiconductive stress cone and described earthing pole；
Solve the water inlet defect Electric Field Distribution result obtaining the different water level of porcelain bushing type cable termination.
9. a cable termination water inlet defect Electric Field Distribution analytical equipment, it is characterised in that include：
Build module, for building the water inlet defect ANSYS simulation model of the different water level of porcelain bushing type cable termination；
Module is set, for arranging the attribute of the water inlet defect ANSYS simulation model of the different water level of porcelain bushing type cable termination；
Distribution module, for distributing the attribute of the water inlet defect ANSYS simulation model of the different water level of porcelain bushing type cable termination；
Divide module, for the water inlet defect ANSYS simulation model of the different water level of porcelain bushing type cable termination to distributive property
Carry out stress and strain model, obtain the water inlet defect ANSYS limit element artificial module of the different water level of porcelain bushing type cable termination；
Load-on module, for loading the limit of the water inlet defect ANSYS limit element artificial module of the different water level of porcelain bushing type cable termination
Boundary's condition；
Computing module, for solving the water inlet defect Electric Field Distribution result obtaining the different water level of porcelain bushing type cable termination.
10. cable termination according to claim 9 water inlet defect Electric Field Distribution analytical equipment, it is characterised in that described structure
Modeling block includes：
First structure submodule, for building water inlet defect 1/2nd ontology model of the different water level of porcelain bushing type cable termination；
Second structure submodule, is used for building air portion sub-model.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610856805.5A CN106446418A (en) | 2016-09-27 | 2016-09-27 | Cable terminal inflow water defect electric-field distribution analysis method and device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610856805.5A CN106446418A (en) | 2016-09-27 | 2016-09-27 | Cable terminal inflow water defect electric-field distribution analysis method and device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106446418A true CN106446418A (en) | 2017-02-22 |
Family
ID=58170550
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610856805.5A Pending CN106446418A (en) | 2016-09-27 | 2016-09-27 | Cable terminal inflow water defect electric-field distribution analysis method and device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106446418A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107085645A (en) * | 2017-04-28 | 2017-08-22 | 南方电网科学研究院有限责任公司 | Optimize the method and system of Oil-impregnated Paper Condenser Bushing in History |
| CN108133089A (en) * | 2017-12-11 | 2018-06-08 | 三峡大学 | The load applying method that a kind of transmission line of electricity shading ring electrostatic field finite element numerical calculates |
| CN108694265A (en) * | 2017-04-05 | 2018-10-23 | 敖翔科技股份有限公司 | Intelligent pre-diagnosis system and method for failure risk of design layout |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203135376U (en) * | 2013-03-12 | 2013-08-14 | 陶柏洪 | Cable terminal for electrified railway |
| CN104297265A (en) * | 2014-10-11 | 2015-01-21 | 南京航空航天大学 | Deposited water defect damage detection method and system for inner part of composite material based on microwave excitation |
-
2016
- 2016-09-27 CN CN201610856805.5A patent/CN106446418A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203135376U (en) * | 2013-03-12 | 2013-08-14 | 陶柏洪 | Cable terminal for electrified railway |
| CN104297265A (en) * | 2014-10-11 | 2015-01-21 | 南京航空航天大学 | Deposited water defect damage detection method and system for inner part of composite material based on microwave excitation |
Non-Patent Citations (3)
| Title |
|---|
| 周长城: "交联聚乙烯绝缘电缆试验用水终端电场分析", 《广东电力》 * |
| 程帆 等: "电缆终端异常发热案例分析", 《电气技术》 * |
| 黄继来 等: "红外测温和局部放电检测的有效性分析", 《电工研究》 * |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108694265A (en) * | 2017-04-05 | 2018-10-23 | 敖翔科技股份有限公司 | Intelligent pre-diagnosis system and method for failure risk of design layout |
| CN108694265B (en) * | 2017-04-05 | 2023-02-03 | 敖翔科技股份有限公司 | Intelligent pre-diagnosis system and method for failure risk of design layout |
| CN107085645A (en) * | 2017-04-28 | 2017-08-22 | 南方电网科学研究院有限责任公司 | Optimize the method and system of Oil-impregnated Paper Condenser Bushing in History |
| CN108133089A (en) * | 2017-12-11 | 2018-06-08 | 三峡大学 | The load applying method that a kind of transmission line of electricity shading ring electrostatic field finite element numerical calculates |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN109802406B (en) | Method for analyzing resonance stability of flexible direct-current transmission access system | |
| CN108717071B (en) | Composite insulator umbrella skirt damage diagnosis method | |
| CN106446418A (en) | Cable terminal inflow water defect electric-field distribution analysis method and device | |
| CN109992851A (en) | A kind of dielectric constant distribution optimization method of GIS functionally gradient insulator | |
| CN110851950B (en) | Dynamic arc model construction method considering random change of arc length | |
| CN105808881A (en) | Finite element optimum design method for high-voltage cable middle connector | |
| CN105844029A (en) | Research method for high voltage cable terminal joint | |
| CN116579040A (en) | Method for optimizing geometry and material parameters of insulator based on finite element simulation | |
| CN110489806A (en) | Electromagnetic transient modeling and calculation method comprising multivoltage source type current transformer power grid | |
| CN115128407A (en) | V-shaped insulator string flashover fault simulation method based on bird dung pollution | |
| CN105205202B (en) | A kind of carrying current calculation method | |
| Jiang et al. | Effect of inverted T arrangement on AC pollution flashover characteristics of insulator strings | |
| CN103399980B (en) | A kind of optimized Selection collocation method of power transmission and transformation insulator | |
| CN108233356A (en) | A kind of photovoltaic DC-to-AC converter controller method for assessing consistency and its Evaluation Platform | |
| CN109212352B (en) | Simulation test method for identifying flexible direct current nonlinear power characteristics | |
| Bekri et al. | Placement of wind farms for enhancing voltage stability based on continuation power flow technique | |
| Zhang | Optimization of Corona Ring Design Used in UHV Composite Insulator by PSO Algorithm | |
| CN114002954A (en) | Wind power plant stability evaluation method and system based on active equipment node impedance | |
| CN106934152A (en) | The modeling method of many stress interface accessory devices of high-tension cable | |
| CN112446607A (en) | Node harmonic interference evaluation method for multi-harmonic-source power grid | |
| Song et al. | Distribution of Partial Arc Propagation Path on Insulator and Its Discrimination Method | |
| CN108133089A (en) | The load applying method that a kind of transmission line of electricity shading ring electrostatic field finite element numerical calculates | |
| CN105353211B (en) | A kind of test method of load cell frequency characteristic | |
| Miao et al. | Calculation of Electric Field Distribution of the 66kV XLPE Cable Middle Joints | |
| Wang et al. | Partition-based Network Equivalent Method for Power System Subsynchronous Oscillation Analysis |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170222 |
|
| RJ01 | Rejection of invention patent application after publication |