CN107436979A - Suitable for the creator of transmission line of electricity lightning protection calculation auto-building model - Google Patents
Suitable for the creator of transmission line of electricity lightning protection calculation auto-building model Download PDFInfo
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- CN107436979A CN107436979A CN201710618527.4A CN201710618527A CN107436979A CN 107436979 A CN107436979 A CN 107436979A CN 201710618527 A CN201710618527 A CN 201710618527A CN 107436979 A CN107436979 A CN 107436979A
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- transmission line
- shaft tower
- lightning protection
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F30/00—Computer-aided design [CAD]
- G06F30/30—Circuit design
- G06F30/36—Circuit design at the analogue level
- G06F30/367—Design verification, e.g. using simulation, simulation program with integrated circuit emphasis [SPICE], direct methods or relaxation methods
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Abstract
The invention discloses a kind of creator suitable for transmission line of electricity lightning protection calculation auto-building model, user is only needed to input shaft tower physical dimension, insulator chain parameter, ground wire parameter, part of path parameter and lightning current source parameter, Tower Model and circuit segment model can be automatically generated, the automatic connection of electrical node is realized by related information, realizes automatically creating for transmission line of electricity lightning protection calculation model.The creator greatly reduces the workload of long distance transmission line lightning protection calculation model creation, improves the efficiency of transmission line of electricity Lightning Protection Analysis.The present invention's has advantages below：1）Workable, user only needs to carry out configuration to the engineering parameter of shaft tower and circuit that modeling work can be completed；2）Efficiency high, part of path mode input parameter needs not move through intermediate computations, but creator calculates acquisition automatically；3）It is easily managed, part of path associates with corresponding shaft tower, and shaft tower parameter changes, and part of path parameter associated with it changes automatically.
Description
Technical field
The invention belongs to technical field of high voltage, and in particular to one kind is given birth to automatically suitable for transmission line of electricity lightning protection calculation model
Into creator.
Background technology
Thunderbolt is the main reason for causing transmission line of electricity to trip, and accurate evaluation Methods of Lightning Protection Performance for Transmission Line simultaneously rationally enters
The corresponding Lightning Transformation of row, the safe and stable operation to transmission line of electricity have great importance.
Super-pressure and UHV transmission line, especially DC power transmission line, transmission distance is remote, shaft tower quantity is more, causes
Establish that the workload of transmission line of electricity lightning protection properties computation model is huge, and workload is concentrated mainly on circuit between Tower Model and shaft tower
Model.Patent《The construction method and shaft tower modeling method of a kind of New Two Dimensional shaft tower editing machine》Propose the efficient of Tower Model
Creation method, but the patent circuit model not being related between shaft tower, can not realize whole piece power transmission line only for Tower Model
The lightning protection calculation model on road automatically creates.Model of power transmission system parameter is numerous, not only include with shaft tower size interrelated geometrical parameters,
Electric parameter is also included, and the parameter of each section of circuit (between two shaft towers) is different, causes manual creation circuit model
Workload it is big, efficiency is low, easy error.
The content of the invention
In view of this, the present invention provides a kind of creator suitable for transmission line of electricity lightning protection calculation auto-building model.
The present invention is realized using following technical scheme：A kind of wound suitable for transmission line of electricity lightning protection calculation auto-building model
Build device, it is characterised in that：Comprise the following steps：S1：Shaft tower parameter is inputted, including physical dimension, ground wire hanging point position, leads ground
Line electric parameter, insulator chain string length；S2：The automatic model for establishing shaft tower；S3：Input line section parameter, including connected bar
Tower is numbered and its latitude and longitude coordinates, span, sag of conductor and ground wire, soil resistivity；S4：The geometric parameter provided based on S1 and S3,
Calculate the geometric parameter that circuit model needs, including transverse and longitudinal coordinate of each phase ground wire at shaft tower and the transverse and longitudinal in span center
Coordinate, the length of circuit, wire internal-and external diameter； S5：The electric parameter provided based on S1 and S3, obtain the electricity that circuit model needs
Gas parameter, including the D.C. resistance of ground wire unit length, soil resistivity；S6：Based on the S4 and S5 geometry provided and electrically
Parameter, generate the Jmarti circuit segment models for lightning protection calculation；S7：It is automatic raw according to part of path and the related information of shaft tower
Each phase ground wire and the electrical connection of Tower Model electrical node into circuit segment model, include shaft tower and lead so as to automatically create
The model of power transmission system of ground line model；S8：Input lightning current parameter, including thunderbolt type, lightning current waveform, amplitude, lightning current
Channel impedance, add lightning current source model automatically in model of power transmission system.
In an embodiment of the present invention, the transmission line of electricity type includes DC power transmission line and AC power line simultaneously
Road.
In an embodiment of the present invention, thunderbolt type includes thunderbolt and back flashover two types.
The present invention is on the basis of Tower Model automatically creates, and by parameter association, realizes the mould of part of path between shaft tower
Type automatically creates, and the connection for realizing the electrical node of circuit segment model and Tower Model is automatic, significantly reduces transmission of electricity
The establishment work of circuit Lightning performance computation model, while also improve the degree of accuracy of model creation.
The present invention's has advantages below：1）Workable, user only needs to enter the engineering parameter of shaft tower and circuit
Row configuration can complete modeling work；2）Efficiency high, part of path mode input parameter needs not move through intermediate computations, but creates
Device calculates acquisition automatically；3）It is easily managed, part of path associates with corresponding shaft tower, and shaft tower parameter changes, associated with it
Part of path parameter changes automatically.
Brief description of the drawings
Fig. 1 is that transmission line of electricity lightning protection calculation model automatically creates flow；
Fig. 2 is power transmission line section parameter inputting interface；
Fig. 3 is the Methods of Lightning Protection Performance for Transmission Line computation model automatically generated.
Embodiment
Explanation is further explained to the present invention with specific embodiment below in conjunction with the accompanying drawings.
A kind of creator suitable for transmission line of electricity lightning protection calculation auto-building model, it is characterised in that：Including following step
Suddenly：S1：Input shaft tower parameter, including physical dimension, ground wire hanging point position, ground wire electric parameter, insulator chain string length；
S2：The automatic model for establishing shaft tower；S3：Input line section parameter, including connected shaft tower numbering and its latitude and longitude coordinates, shelves
Away from, sag of conductor and ground wire, soil resistivity；S4：The geometric parameter provided based on S1 and S3, calculate the geometric parameters that circuit model needs
Number, including transverse and longitudinal coordinate of each phase ground wire at shaft tower and inside and outside the transverse and longitudinal coordinate, the length of circuit, wire in span center
Footpath； S5：The electric parameter provided based on S1 and S3, obtain the electric parameter that circuit model needs, including ground wire unit length
D.C. resistance, soil resistivity；S6：The geometry and electric parameter provided based on S4 and S5, is generated for lightning protection calculation
Jmarti circuit segment models；S7：According to part of path and the related information of shaft tower, each phase ground wire of circuit segment model is automatically generated
With the electrical connection of Tower Model electrical node, so as to automatically create the model of power transmission system for including shaft tower and ground wire model；
S8：Lightning current parameter, including thunderbolt type, lightning current waveform, amplitude, lightning current channel impedance are inputted, in model of power transmission system
In automatic addition lightning current source model.The transmission line of electricity lightning protection calculation model of one embodiment of the invention automatically creates flow referring to figure
1。
In an embodiment of the present invention, the transmission line of electricity type includes DC power transmission line and AC power line simultaneously
Road.
In an embodiment of the present invention, thunderbolt type includes thunderbolt and back flashover two types.
The creator suitable for transmission line of electricity lightning protection calculation auto-building model of the present invention, with mono- time of Fujian Province 500kV
The line of transmission line of alternation current-water three-exemplified by, the circuit includes 245 base shaft towers, and its Lightning performance assessment models is created automatically
Build.Comprise the following steps：
（1）Input shaft tower parameter
According to the shaft tower drawing of water three-wire line, by《A kind of construction method and shaft tower modeling of New Two Dimensional shaft tower editing machine
Method》The visualization shaft tower editing machine of offer, inputs corresponding parameter, including the physical dimension of shaft tower, insulation sub-information, leads ground
Line parameter, and the position that hangs of ground wire is set, ground wire hang node be 1G and 2G, wire hang node be 1A, 1B and
1C.The power transmission line section parameter inputting interface of one embodiment of the invention is referring to Fig. 2.
（2）Tower Model automatically creates
Tower Model can use in an embodiment of the present invention《A kind of construction method and shaft tower of New Two Dimensional shaft tower editing machine
Modeling method》The visualization shaft tower editing machine of offer automatically creates the surge impedance model of shaft tower, and generates 5 electrical nodes, compiles
Number be respectively 1G, 2G, 1A, 1B and 1C.
（3）Input line section parameter
The parameter in input line section, including be associated shaft tower numbering, soil resistivity, sag of conductor and ground wire, Fig. 2 gives this
The part of path parameter inputting interface of the creator of patent of invention.
（4）Circuit model automatically creates
Numbered by the shaft tower of association, obtain shaft tower electrical node quantity, be herein 5, creator automatically generates left and right ends
Part of path Jmarti models respectively with 5 electrical nodes, left node entitled 1G_L, 2G_L, 1A_L, 1B_L, 1C_L are right
Mid-side node entitled 1G_R, 2G_R, 1A_R, 1B_R, 1C_R；
Ground wire length in Jmarti models, ground wire internal-and external diameter, ground wire hangs coordinate, span center ground wire is sat at shaft tower
The geometric parameters such as mark, ground wire division number, division spacing are calculated automatically from by the geometric parameter of input in (1) and (3)；
The data that soil resistivity parameter is inputted by (3) in Jmarti models determine.
（5）Circuit segment model is electrically connected with Tower Model
Creator agreement electrically saves the electric Tower Model associated with it in succession on the part of path Jmarti models left side accordingly
Point is connected, as 1G_L is connected with the 1G nodes of Tower Model, by that analogy；The electrical node on the right and next base shaft tower model
Respective nodes are connected, as shown in Figure 3.
（6）Lightning current source parameter setting
The parameter setting in lightning current source mainly includes parameter setting, the creators such as waveform, amplitude, lightning channel resistance and automatically generated
Lightning current source model with 1 electrical node Node.
（7）Lightning current source model is electrically connected with circuit model
The thunderbolt type selected according to user, creator automatically generate lightning current source model electrical node and model of power transmission system electricity
The connection of moral point.
If user's selection is that counterattack calculates, i.e. lightning stroke rate, then the electrical node Node in lightning current source and shaft tower mould
1G the or 2G nodes of type are connected；What if user selected is shielding A phases, the electrical node Node and Tower Model in lightning current source
1A nodes be connected.As shown in Figure 3.
Above is presently preferred embodiments of the present invention, all changes made according to technical solution of the present invention, caused function are made
During with scope without departing from technical solution of the present invention, protection scope of the present invention is belonged to.
Claims (3)
- A kind of 1. creator suitable for transmission line of electricity lightning protection calculation auto-building model, it is characterised in that：Comprise the following steps：S1：Input shaft tower parameter, including physical dimension, ground wire hanging point position, ground wire electric parameter, insulator chain string length；S2：The automatic model for establishing shaft tower；S3：Input line section parameter, including connected shaft tower numbering and its latitude and longitude coordinates, span, sag of conductor and ground wire, soil electricity Resistance rate；S4：The geometric parameter provided based on S1 and S3, the geometric parameter that circuit model needs is calculated, including each phase ground wire is in bar Transverse and longitudinal coordinate at tower and the transverse and longitudinal coordinate, the length of circuit, wire internal-and external diameter in span center；S5：The electric parameter provided based on S1 and S3, obtain the electric parameter that circuit model needs, including ground wire unit length D.C. resistance, soil resistivity；S6：The geometry and electric parameter provided based on S4 and S5, generates the Jmarti circuit segment models for lightning protection calculation；S7：According to part of path and the related information of shaft tower, each phase ground wire and the Tower Model for automatically generating circuit segment model are electric The electrical connection of moral point, so as to automatically create the model of power transmission system for including shaft tower and ground wire model；S8：Lightning current parameter, including thunderbolt type, lightning current waveform, amplitude, lightning current channel impedance are inputted, in transmission line of electricity Automatically lightning current source model is added in model.
- 2. according to the creator for being applied to transmission line of electricity lightning protection calculation auto-building model, it is characterised in that：The transmission line of electricity Type includes DC power transmission line and transmission line of alternation current simultaneously.
- 3. according to the creator for being applied to transmission line of electricity lightning protection calculation auto-building model, it is characterised in that：Thunderbolt type includes Thunderbolt and back flashover two types.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710618527.4A CN107436979A (en) | 2017-07-26 | 2017-07-26 | Suitable for the creator of transmission line of electricity lightning protection calculation auto-building model |
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|---|---|---|---|
| CN201710618527.4A CN107436979A (en) | 2017-07-26 | 2017-07-26 | Suitable for the creator of transmission line of electricity lightning protection calculation auto-building model |
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| CN107436979A true CN107436979A (en) | 2017-12-05 |
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| CN201710618527.4A Pending CN107436979A (en) | 2017-07-26 | 2017-07-26 | Suitable for the creator of transmission line of electricity lightning protection calculation auto-building model |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN113688504A (en) * | 2021-07-26 | 2021-11-23 | 南方电网科学研究院有限责任公司 | Parameterized modeling method, system, medium and power terminal for line electromagnetic interference |
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| CN101694939A (en) * | 2009-10-16 | 2010-04-14 | 南方电网技术研究中心 | Converter station insulating co-operating design method of high-pressure direct-current power transmission system |
| CN102298105A (en) * | 2011-05-09 | 2011-12-28 | 国网电力科学研究院 | Method for checking lightning shielding failure performance of line |
| CN103995931A (en) * | 2014-05-20 | 2014-08-20 | 国家电网公司 | Establishing method of novel two-dimensional tower editor and tower modeling method |
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2017
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101694939A (en) * | 2009-10-16 | 2010-04-14 | 南方电网技术研究中心 | Converter station insulating co-operating design method of high-pressure direct-current power transmission system |
| CN102298105A (en) * | 2011-05-09 | 2011-12-28 | 国网电力科学研究院 | Method for checking lightning shielding failure performance of line |
| CN103995931A (en) * | 2014-05-20 | 2014-08-20 | 国家电网公司 | Establishing method of novel two-dimensional tower editor and tower modeling method |
Non-Patent Citations (3)
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| J.MORALES等: "Induced over voltages produced by atmospheric discharges considering JMarti and Pi distribution lines models", 《IEEE XPLORE》 * |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN113688504A (en) * | 2021-07-26 | 2021-11-23 | 南方电网科学研究院有限责任公司 | Parameterized modeling method, system, medium and power terminal for line electromagnetic interference |
| CN113688504B (en) * | 2021-07-26 | 2024-03-22 | 南方电网科学研究院有限责任公司 | Parameterized modeling method, system, medium and power terminal for line electromagnetic interference |
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Application publication date: 20171205 |