CN103995931B - The construction method and shaft tower modeling method of a kind of two-dimentional shaft tower editing machine - Google Patents
The construction method and shaft tower modeling method of a kind of two-dimentional shaft tower editing machine Download PDFInfo
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Abstract
The invention discloses a kind of construction method of two-dimentional shaft tower editing machine and shaft tower modeling method, shaft tower editing machine in the present invention uses OOP, the attribute of abstract various shaft towers, attribute and method that virtual base class describes shaft tower are set up, the description file (.XML forms) of different type shaft tower is derived；By visual edit, shaft tower, the automatic parameter for calculating Tower Model are instantiated.Shaft tower modeling work is analyzed present invention is mainly used for transmission line of electricity lightning protection properties, transmission line of electricity Lightning Protection Analysis modeling efficiency is improved.
Description
Technical field
The invention belongs to transmission line of electricity Lightning Protection Analysis modeling field, and in particular to a kind of structure side of two-dimentional shaft tower editing machine
Method and shaft tower modeling method.
Background technology
Thunderbolt is always the hazard factor that power system is extremely paid close attention to, and is the primary environment factor for causing line tripping.Closely
Over a little years, with the expansion of power network scale, the raising of voltage class, the probability that circuit is struck by lightning also increases；Meanwhile, people couple
The requirement more and more higher of environment, the situation of line route selection is increasingly serious, and complicated topography and geomorphology, microclimate environment also cause
Transmission line of electricity lightening hazard takes place frequently.South electric network belongs to thunder and lightning prone areas, particularly in recent years, and lightening activity presents obvious
Growth trend.Continuous improvement with society to safe power supply and quality of power supply demand, gives power network lightning fault each time
Prevention and control propose higher requirement.Therefore Methods of Lightning Protection Performance for Transmission Line level is more effectively assessed, to power transmission line
Road lightning strike accident analysis is significant with Lightning Transformation solution formulation.
More effective appraisal procedure needs to set up the more detailed model of transmission line of electricity, that is, needs the reality according to every grade of shaft tower
Border structure snd size set up corresponding model.Super, UHV transmission line length length, shaft tower substantial amounts, if without can unite
One management and the visualization tool of editor's overhead line structures, edit the information of all shaft towers and calculate the equivalent electric of different type shaft tower
Lu Shi, efficiency is very low, and easily malfunctions.
The content of the invention
The present invention provides the construction method and shaft tower modeling method of a kind of two-dimentional shaft tower editing machine, it is therefore intended that reduce shaft tower
The workload that physical dimension editor and shaft tower equivalent circuit are calculated, improves the efficiency of transmission line of electricity lightning protection calculation modeling.
The present invention adopts the following technical scheme that realization,
A kind of construction method of two-dimentional shaft tower editing machine, using OOP, comprises the following steps：
1) the shaft tower type for combing and being used in current power system transmission line is concluded, the common category of various shaft towers is taken out
Property, the predicable based on shaft tower sets up virtual base class, it is determined that description shaft tower physical dimension, ground wire hang mode, shaft tower circuit
The rule of model and shaft tower insulator chain parameter；
2) the description file of different type shaft tower is derived according to the virtual base class of foundation, the description file is XML format
File；
3) by visual edit, input relevant parameter instantiation shaft tower.
Foregoing step 1) in, the predicable of shaft tower includes tower structure size expression way, shaft tower ground wire and hung
Mode species, shaft tower circuit counting model, shaft tower insulator chain parameter.
Foregoing step 2) in, the content of description file includes：
A. shaft tower type, including the title of shaft tower type, exchange direct current, ground wire quantity and shaft tower picture size；
B. general parameters, for describing shaft tower actual geometry, including each size variable name, default value and unit, this
A little parameters are corresponding with actual drawing coordinate, and occurrence is inputted by visualization interface by user；
C. the height of complex parameter, the geometric position for describing to characterize ground wire hanging point on shaft tower, and conducting wire hanging point, its
Middle ground wire ordinate is that shaft tower height, abscissa are that upper cross-arm width determines that hanging point ordinate of the wire on shaft tower is by place
Cross-arm is highly determined；
D. shaft tower profile, for describing shaft tower profile and carrying out size marking, the geometric element of shaft tower profile is included in
In the XML statement for describing file, including straight line and circular arc, to geometric element definable size, color and the anglec of rotation；
E. conducting wire hanging point, hangs focus, when user carries out Traverse phase-order editor, focus swashs by preset in shaft tower picture
It is living, position is hung by user's dragging selection and mode is hung, editing machine is by hanging point, insulator chain length, cross-arm width and horizontal stroke
Load high computational wire hangs transverse and longitudinal coordinate a little, while the connecting node number of insulator chain and shaft tower is determined, if V goes here and there, then
It is connected with exterior node in cross arm of tower, if I goes here and there, is then connected with cross-arm intermediate node；
F. shaft tower equivalent circuit, including fixed wave impedance, many wave impedance, layering three kinds of shaft tower circuit models of wave impedance；Institute
State shaft tower equivalent-circuit model to form for a series of wave impedance are connected, it is determined that the numbering of each connected node, you can pass through node
Number description shaft tower equivalent circuit topological structure, while calculating equivalent circuit parameter according to the wave impedance formula of three kinds of Tower Models.
The method that shaft tower modeling is carried out based on two-dimentional shaft tower editing machine, is comprised the steps of：
(1) shaft tower type is selected, shaft tower is loaded based on search technique according to shaft tower type automatically and describes file, and creates bar
Tower title；
(2) according to the design drawing of shaft tower in Practical Project, the geometric parameter of shaft tower, shaft tower are inputted by visualization interface
Editing machine calculates the transverse and longitudinal coordinate for obtaining ground wire hanging point on shaft tower according to the geometric parameter of input, and conducting wire hanging point height；
(3) configuration shaft tower wire hangs mode, that is, selects to hang position and its insulator chain form per phase conductor every time；
(4) every time geometric parameter and physical parameter per phase conductor is configured；
(5) every time is configured per the corresponding insulator chain parameter of phase conductor；
(6) geometric parameter and physical parameter of every ground wire of configuration；
(7) according to the parameter configuration of the step (2)-step (6), shaft tower editing machine calculates wire correspondence and hung under mode
Transverse and longitudinal coordinate, and the node number that insulator chain is connected with shaft tower；
(8) node number that shaft tower editing machine is calculated with the step (7) describes three kinds of equivalent circuit topological models of shaft tower, and
Three kinds of equivalent circuit parameters are calculated, thus shaft tower editing machine generates the shaft tower file of an instantiation, wherein containing for thunder
The shaft tower circuit model parameters of electricity counterattack analysis and the transverse and longitudinal coordinate for the ground wire hanging point analyzed for thunderbolt.
In foregoing step (1), shaft tower type includes Dan Huita, double back tower, tangent tower, the anchor support of DC line, hands over
Dan Huita, double back tower, Si Huita, tangent tower, anchor support and the compact tower of Flow Line.
In foregoing step (3), every time insulator chain form per phase conductor includes V insulator strings and I insulator strings.
In foregoing step (4), every time geometric parameter per phase conductor is led including division number, division spacing, division angle, son
Line radius, physical parameter includes D.C. resistance.
In foregoing step (5), every time every phase conductor insulator chain parameter includes insulator chain length and dry arcing distance.
In foregoing step (6), the geometric parameter of ground wire includes division number, division spacing, division angle, sub- ground wire radius,
Physical parameter includes D.C. resistance.
The present invention be specially a little：1) friendly interface, shaft tower size and line parameter circuit value are completed using visualization interface
Configuration；2) efficiently, automatic loading shaft tower file, automatically generates shaft tower equivalent circuit, ground wire coordinate information；3) expansion is good,
The new shaft tower type of addition need to only add the description file of corresponding shaft tower according to certain format；4) implantable is good, modular to set
Meter can conveniently be implanted into transmission line of electricity lightning protection lightning protection software, and circuit model and parameter are provided to calculate.
Brief description of the drawings
Fig. 1 is shaft tower editing machine schematic diagram of the present invention；
Fig. 2 carries out the operating process block diagram of shaft tower modeling for the present invention；
Fig. 3 is wineglass tower structure figure in the specific embodiment of the invention.
Embodiment
The present invention is described in further detail with reference to the accompanying drawings and detailed description.
As shown in figure 1, the shaft tower editing machine of the present invention uses OOP, interactive interface is friendly, construction method bag
Include following steps：
1) the shaft tower type for combing and being used in current power system transmission line is concluded, the common category of various shaft towers is taken out
Property, including physical dimension expression way, shaft tower ground wire hang mode species, shaft tower circuit counting model, shaft tower insulator chain
Parameter, the predicable based on shaft tower sets up virtual base class, it is determined that description shaft tower physical dimension, ground wire hang mode, shaft tower electricity
The rule of road model and shaft tower insulator chain parameter；
2) the description file of different type shaft tower is derived according to the virtual base class of foundation, the description file of generation is XML lattice
Formula file；
3) by visual edit, input relevant parameter instantiation shaft tower.
In the present invention, it is core that shaft tower, which describes file, and its content includes：
(1) shaft tower type (TowerCategory), including shaft tower type title, exchange direct current, ground wire quantity and bar
Tower picture size, shaft tower type is set inside description file, passes through following programming realization：
<TowerCategory Name=" * * * " LoopbackCount=" * " LoopbackTypes=" * * "
GroundWireCount=" * " Bound=" *, *, *, * ">.
(2) general parameters (GeneeralArguments), for describing the actual geometric parameter of shaft tower, including each size becomes
Name, default value and unit are measured, these parameters are corresponding with actual drawing coordinate, input specific size value by user on interface, pass through
Following programming realization：
Coordinate definition is as follows：Space abscissa is defined as straight line where shaft tower bottom, and ordinate is defined as shaft tower axis,
Reference axis origin is both intersection points.
(3) complex parameter (MacroArguments), the geometric position for describing ground wire hanging point on sign shaft tower, and
The height of conducting wire hanging point, wherein ground wire transverse and longitudinal coordinate are that shaft tower height, abscissa are that upper cross-arm width determines that wire is on shaft tower
Hanging point ordinate highly determined by place cross-arm, by following programming realization,
(4) shaft tower profile (ShapeParts), for describe shaft tower profile and carry out size marking, shaft tower profile it is several
What element is included in the XML statement of description file, including straight line and circular arc, and size, color, rotation can be defined to geometric element
Gyration etc., by following programming realization,
(5) conducting wire hanging point (HangingPlaces), hangs focus, user enters row conductor by preset in shaft tower picture
During phase sequence editor, focus activation hangs position by user's dragging selection and hangs mode (I goes here and there or V goes here and there), editing machine is by hanging
Point, insulator chain length, cross-arm width and cross-arm high computational wire hang transverse and longitudinal coordinate a little, while determining insulator chain and bar
The connecting node number of tower, if V goes here and there, is then connected with exterior node in cross arm of tower, if I goes here and there, is then connected with cross-arm intermediate node.
By following programming realization,
(6) shaft tower equivalent circuit is topological (Topologies), including fixed wave impedance, many wave impedance, layering wave impedance three
Plant shaft tower circuit model.Formed because shaft tower equivalent-circuit model is that a series of wave impedance are connected, it is determined that the volume of each connected node
Number, you can shaft tower equivalent circuit topological structure is described by node number, while according to the wave impedance formula meter of three kinds of Tower Models
Calculate equivalent circuit parameter.By following programming realization,
As shown in Fig. 2 the method that the two-dimentional shaft tower editing machine based on the present invention carries out shaft tower modeling, is comprised the steps of：
(1) shaft tower type is selected, shaft tower is loaded based on search technique according to shaft tower type automatically and describes file, and creates bar
Tower title；Shaft tower type includes Dan Huita, double back tower, tangent tower, the anchor support of DC line, the Dan Huita of alternating current circuit, double
Hui Ta, Si Huita, tangent tower, anchor support and compact tower.
(2) according to the design drawing of shaft tower in Practical Project, the geometric parameter of shaft tower, shaft tower are inputted by visualization interface
Editing machine calculates the transverse and longitudinal coordinate for obtaining ground wire hanging point on shaft tower according to the geometric parameter of input, and conducting wire hanging point height.
(3) configuration shaft tower wire hangs mode, that is, selects to hang position and its insulator chain form per phase conductor every time,
Concrete operation method is that the circle for representing wire is dragged into the place that hangs, based on hot spot technology, and editing machine is by automatic identification
Hanging point coordinate and insulator chain form；Wherein, every time insulator chain form per phase conductor includes V insulator strings and I string insulation
Son.
(4) every time geometric parameter and physical parameter per phase conductor is configured；The wherein every time geometric parameter bag per phase conductor
Division number, division spacing, division angle, sub-conductor radius are included, physical parameter includes D.C. resistance.
(5) every time is configured per the corresponding insulator chain parameter of phase conductor；Wherein, every time every phase conductor insulator chain parameter bag
Include insulator chain length and dry arcing distance.
(6) geometric parameter and physical parameter of every ground wire of configuration；Wherein, the geometric parameter of ground wire includes division number, divided
Spacing, division angle, sub- ground wire radius are split, physical parameter includes D.C. resistance.
(7) according to the parameter configuration of step (2)-step (6), shaft tower editing machine calculates the corresponding horizontal stroke hung under mode of wire
Ordinate, and the node number that insulator chain is connected with shaft tower.
(8) node number that shaft tower editing machine is calculated with step (7) describes three kinds of equivalent circuit topological models of shaft tower, and calculates
The shaft tower file of three kinds of equivalent circuit parameters, thus one instantiation of shaft tower editing machine generation, wherein containing anti-for thunder and lightning
Hit the shaft tower circuit model parameters of analysis and the transverse and longitudinal coordinate for the ground wire hanging point analyzed for thunderbolt.
Exemplified by the wineglass tower of 500kV transmission line of alternation currents, the present invention is further described.
The flow that user is modeled using the present invention to a wineglass tower is as shown in Figure 2.
1st step：It is " wineglass tower " to select shaft tower type, and is named as B-32.
Second step：According to Fig. 3, configuration tower structure size, wire hang mode, ground wire parameter,
2.1) according to Practical Project tower structure drawing, the physical dimension parameter of wineglass tower is configured：H1(4.16m)、H2
(1.74m)、H3(6.45m)、H4(9.60m)；L1(5.45m)、L2(6.25m)、L3(5.55m)、L4(4.4m)；td(3.6m)；
rt(0.178m)、Rt(0.203m)。
2.2) according to the arrangement of conductor of Practical Project, dragging traverse point (1A, 1B and 1C) is hung, and 1A phases are hung on
The left horizontal stretcher of wineglass tower, insulator is gone here and there using I；1B phases are hung on the tower window of wineglass tower, and insulator chain is gone here and there using V；1C phases are hung on wine
Cup tower right horizontal stretcher, insulator chain using I go here and there, based on hot spot technology, editing machine automatic identification Traverse phase-order with hang position.
2.3) every time geometric parameter and physical parameter per phase conductor is configured：
1A phases：Division number 4, divides angle 0, divides spacing 45cm, sub-conductor 1.5cm, the Ω of D.C. resistance 0.05912；
1B phases：Division number 4, divides angle 0, divides spacing 45cm, sub-conductor 1.5cm, the Ω of D.C. resistance 0.05912；
1C phases：Division number 4, divides angle 0, divides spacing 45cm, sub-conductor 1.5cm, the Ω of D.C. resistance 0.05912.
2.4) every time geometric parameter per the corresponding insulator chain of phase conductor is configured：
1A phase insulator chains：Insulator chain long 4.8m, dry arcing distance 4.38m；
1B phase insulator chains：Insulator chain long 4.8m, dry arcing distance 4.38m；
1C phase insulator chains：Insulator chain long 4.8m, dry arcing distance 4.38m.
2.5) geometric parameter and physical parameter of every ground wire of configuration：
1G-division number 0, divides angle 0, divides spacing 0cm, the Ω of D.C. resistance 0.3935；
2G-division number 0, divides angle 0, divides spacing 0cm, the Ω of D.C. resistance 0.3935.
2.6) according to 2.1) --- the 2.5) parameter of configuration, shaft tower editing machine can calculate the corresponding sky hung under mode
Between coordinate, and the node number that insulator chain is connected with shaft tower.
2.7) shaft tower editing machine step 2.6) node number that calculates describes three kinds of equivalent circuit topological models of shaft tower, and calculates
The shaft tower file of three kinds of equivalent circuit parameters, thus one instantiation of shaft tower editing machine generation, wherein containing anti-for thunder and lightning
The ground wire hanging point coordinate information for hitting the shaft tower circuit model parameters of analysis and being analyzed for thunderbolt, and it is defeated by interface
Go out, be easy to other calculation procedures to call.
The present invention uses visual interface, helps user efficiently to complete the editor of shaft tower information.Built-in transmission line of electricity
Conventional shaft tower describes file, according to shaft tower title be automatically performed description file matching with loading, and with visual mode for
Family is checked and edited, and improves the efficiency of shaft tower Data Enter, reduces the probability of error.Automatically generate and to export shaft tower equivalent
The topological sum parameter of circuit, the modeling efficiency for hanging coordinate information, the calculating of transmission line of electricity lightning protection properties being greatly improved of ground wire.
As it will be easily appreciated by one skilled in the art that the foregoing is merely illustrative of the preferred embodiments of the present invention, it is not used to
The limitation present invention, any modifications, equivalent substitutions and improvements made within the spirit and principles of the invention etc., it all should include
Within protection scope of the present invention.
Claims (8)
1. a kind of construction method of two-dimentional shaft tower editing machine, it is characterised in that use OOP, comprise the following steps：
1) the shaft tower type for combing and being used in current power system transmission line is concluded, the predicable of various shaft towers is taken out,
Predicable based on shaft tower sets up virtual base class, it is determined that description shaft tower physical dimension, ground wire hang mode, shaft tower circuit model
With the rule of shaft tower insulator chain parameter；
2) the description file of different type shaft tower is derived according to the virtual base class of foundation, the description file is XML format file；
The content of description file includes：
A. shaft tower type, including the title of shaft tower type, exchange direct current, ground wire quantity and shaft tower picture size；
B. general parameters, for describing shaft tower actual geometry, including each size variable name, default value and unit, these ginsengs
Number is corresponding with actual drawing coordinate, and occurrence is inputted by visualization interface by user；
C. the height of complex parameter, the geometric position for describing to characterize ground wire hanging point on shaft tower, and conducting wire hanging point, wherein
Line ordinate is that shaft tower height, abscissa are that upper cross-arm width determines that hanging point ordinate of the wire on shaft tower is by place cross-arm
Highly determine；
D. shaft tower profile, for describing shaft tower profile and carrying out size marking, the geometric element of shaft tower profile is included in description
In the XML statement of file, including straight line and circular arc, to geometric element definable size, color and the anglec of rotation；
E. conducting wire hanging point, focus is hung by preset in shaft tower picture, when user carries out Traverse phase-order editor, focus activation,
Position is hung by user's dragging selection and mode is hung, editing machine is high by hanging point, insulator chain length, cross-arm width and cross-arm
Degree calculates wire and hangs transverse and longitudinal coordinate a little, while determine the connecting node number of insulator chain and shaft tower, if V strings, then and bar
Exterior node is connected in tower cross-arm, if I goes here and there, is then connected with cross-arm intermediate node；
F. shaft tower equivalent circuit, including fixed wave impedance, many wave impedance, layering three kinds of shaft tower circuit models of wave impedance；The bar
Tower equivalent-circuit model, which is that a series of wave impedance are connected, to be formed, it is determined that the numbering of each connected node, you can retouched by node number
Shaft tower equivalent circuit topological structure is stated, while calculating equivalent circuit parameter according to the wave impedance formula of three kinds of Tower Models；
3) by visual edit, input relevant parameter instantiation shaft tower.
2. the construction method of a kind of two-dimentional shaft tower editing machine according to claim 1, it is characterised in that the step 1)
In, the predicable of shaft tower includes tower structure size expression way, shaft tower ground wire and hangs mode species, shaft tower circuit counting
Model, shaft tower insulator chain parameter.
3. the method for shaft tower modeling is carried out based on the two-dimentional shaft tower editing machine described in claim 1, it is characterised in that comprising following
Step：
(1) shaft tower type is selected, loading shaft tower automatically based on search technique according to shaft tower type describes file, and creates shaft tower name
Claim；
(2) according to the design drawing of shaft tower in Practical Project, the geometric parameter of shaft tower, shaft tower editor are inputted by visualization interface
Device calculates the transverse and longitudinal coordinate for obtaining ground wire hanging point on shaft tower according to the geometric parameter of input, and conducting wire hanging point height；
(3) configuration shaft tower wire hangs mode, that is, selects to hang position and its insulator chain form per phase conductor every time；
(4) every time geometric parameter and physical parameter per phase conductor is configured；
(5) every time is configured per the corresponding insulator chain parameter of phase conductor；
(6) geometric parameter and physical parameter of every ground wire of configuration；
(7) according to the parameter configuration of the step (2)-step (6), shaft tower editing machine calculates the corresponding horizontal stroke hung under mode of wire
Ordinate, and the node number that insulator chain is connected with shaft tower；
(8) node number that shaft tower editing machine is calculated with the step (7) describes three kinds of equivalent circuit topological models of shaft tower, and calculates
The shaft tower file of three kinds of equivalent circuit parameters, thus one instantiation of shaft tower editing machine generation, wherein containing anti-for thunder and lightning
Hit the shaft tower circuit model parameters of analysis and the transverse and longitudinal coordinate for the ground wire hanging point analyzed for thunderbolt.
4. shaft tower modeling method according to claim 3, it is characterised in that in the step (1), shaft tower type includes straight
Dan Huita, double back tower, tangent tower, the anchor support of Flow Line, it is the Dan Huita of alternating current circuit, double back tower, Si Huita, tangent tower, resistance to
Open tower and compact tower.
5. shaft tower modeling method according to claim 3, it is characterised in that in the step (3), every time per phase conductor
Insulator chain form includes V insulator strings and I insulator strings.
6. shaft tower modeling method according to claim 3, it is characterised in that in the step (4), every time per phase conductor
Geometric parameter includes division number, division spacing, division angle, sub-conductor radius, and physical parameter includes D.C. resistance.
7. shaft tower modeling method according to claim 3, it is characterised in that in the step (5), every time exhausted per phase conductor
Edge substring parameter includes insulator chain length and dry arcing distance.
8. shaft tower modeling method according to claim 3, it is characterised in that in the step (6), the geometric parameter of ground wire
Including division number, division spacing, division angle, sub- ground wire radius, physical parameter includes D.C. resistance.
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| CN104504747B (en) * | 2014-11-19 | 2016-05-25 | 中国南方电网有限责任公司电网技术研究中心 | The three-dimensional shaft tower modeling method of a kind of Full Parameterized |
| CN104392055B (en) * | 2014-11-28 | 2016-03-02 | 国网电力科学研究院武汉南瑞有限责任公司 | Combined type composite material shaft tower lightning protection Optimization Design |
| CN106557601B (en) * | 2015-09-30 | 2019-10-15 | 中国电力科学研究院 | A kind of transmission line of electricity emulation mode |
| CN107436979A (en) * | 2017-07-26 | 2017-12-05 | 国网福建省电力有限公司 | Suitable for the creator of transmission line of electricity lightning protection calculation auto-building model |
| EP3441918A1 (en) * | 2017-08-09 | 2019-02-13 | Siemens Aktiengesellschaft | System and method for plant efficiency evaluation |
| CN107358008A (en) * | 2017-08-18 | 2017-11-17 | 中国电力科学研究院 | Transmission tower tower material and template modeling method |
| CN111609855B (en) * | 2019-12-27 | 2021-05-18 | 北京数字绿土科技有限公司 | Method for generating refined routing inspection routes in batch based on tower shapes |
| CN111337932A (en) * | 2020-03-23 | 2020-06-26 | 广东电网有限责任公司广州供电局 | Power grid infrastructure construction checking method based on airborne laser radar system |
| CN112084751A (en) * | 2020-09-04 | 2020-12-15 | 南方电网科学研究院有限责任公司 | Method, device and equipment for editing tower data file and storage medium |
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