CN103021024A - Method displaying electromagnetic field of converting station in three-dimensional and visual mode - Google Patents

Method displaying electromagnetic field of converting station in three-dimensional and visual mode Download PDF

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Publication number
CN103021024A
CN103021024A CN2012105421440A CN201210542144A CN103021024A CN 103021024 A CN103021024 A CN 103021024A CN 2012105421440 A CN2012105421440 A CN 2012105421440A CN 201210542144 A CN201210542144 A CN 201210542144A CN 103021024 A CN103021024 A CN 103021024A
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CN
China
Prior art keywords
dimensional
transformer station
electromagnetic field
real
converting station
Prior art date
Application number
CN2012105421440A
Other languages
Chinese (zh)
Inventor
刘志斌
赵桂军
李彦国
赵维洲
王建新
孙振宇
滕正礼
付岩
梁雪梅
杨志华
Original Assignee
国家电网公司
冀北电力有限公司廊坊供电公司
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Application filed by 国家电网公司, 冀北电力有限公司廊坊供电公司 filed Critical 国家电网公司
Priority to CN2012105421440A priority Critical patent/CN103021024A/en
Publication of CN103021024A publication Critical patent/CN103021024A/en

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Abstract

The invention discloses a method displaying an electromagnetic field of a converting station in three-dimensional and visual mode. The method displaying the electromagnetic field of the converting station in three-dimensional and visual mode comprises the following steps: S1, utilizing a three-dimensional laser scanner to perform three-dimensional live-action scanning modeling, and generating a converting station three-dimensional model; S2, connecting the converting station three-dimensional model with a power grid real-time running system to acquire real-time electromagnetic data of devices in the converting station; and S3, drawing a three-dimensional contour surface in the converting station three-dimensional model according to the real-time electromagnetic with data of the devices, and performing visual displaying by combining with the real-time electromagnetic with data of the devices. The converting station three-dimensional model is connected with the power grid real-time running system, an electromagnetic field three-dimensional contour surface is reconstructed in the converting station three-dimensional model, a great quantity of point data obtained by typical electromagnetic field calculation models in the converting station are converted into visual real-time interactive three-dimensional image information, conditions such as live-action environment, electromagnetic field distribution of the converting station are displayed comprehensively, and basis and assistance are provided for decision-making and control of converting station running.

Description

Be used for the electromagnetic field of transformer station is carried out the method that three-dimensional visualization is showed

Technical field

The present invention relates to electric system power transformation operation administrative skill field, particularly a kind of method of carrying out the three-dimensional visualization displaying for the electromagnetic field to transformer station.

Background technology

Transformer station and power transmission system be complex structure often, and residing working environment is dangerous, utilizes traditional measurement means to be difficult to collect complete basic data information.The engineering drawing of complex apparatus usually can not recording unit truth, archives can't be frequently revised in a tiny change or remake.Yet the plan of renewal of the equipment and transformation needs to use up-to-date accurate archives, therefore need to carry out high-acruracy survey to existing equipment.Consider that from the cost aspect time that remeasures and the time that normal operation impacts to equipment are more short better.

A kind of method of utilizing the Airborne Laser Scan transformer station to be carried out three-dimensional modeling is provided in the prior art, three-dimensional laser scanning technique is called again the outdoor scene surveying and mapping technology, being a new and high technology that middle nineteen nineties in last century begins to occur, is the again important breakthrough of survey field after the GPS technology.Three-dimensional laser scanning technique adopts three-dimensional laser scanner, method by the high-rate laser scanning survey, the three dimensional point cloud on large tracts of land, quick obtaining measurand surface, high resolving power ground, thereby set up the digital terrain model of high-accuracy high-resolution according to the cloud data that obtains, for the 3-dimensional image model of Rapid Establishment object provides a kind of brand-new technological means.Three-dimensional laser scanning technique has been broken through traditional spot measurement method, has high-level efficiency, high-precision unique advantage.

The method utilization point cloud scanning technique of utilizing the Airborne Laser Scan that transformer station is carried out three-dimensional modeling of the prior art can be carried out in a short period of time the inspection of the scene of a crime and just can be obtained complete data, the most important thing is not affect normal operation and the site safety of transformer station.Utilize the Airborne Laser Scan that transformer station is carried out the method for three-dimensional modeling even the operation that can simulate the accidents such as emergency escape, fire-fighting drill, saved necessary economic loss and personnel injury, increase work efficiency.

Yet, present transformer station's three-dimensional model has just carried out modeling to the atural object in the transformer station, all do not have to combine with the electrical network Real-time running system, also the real-time online of unrealized transformer station's three-dimensional model electriferous state and real-time device state is synchronous, does not also have in addition corresponding significantly display packing aspect the electromagnetic field spatial visualization displaying of high-tension apparatus.

Summary of the invention

The technical problem to be solved in the present invention provides a kind of method of carrying out the three-dimensional visualization displaying for the electromagnetic field to transformer station, do not combine with the electrical network Real-time running system to solve transformer station of the prior art three-dimensional model, the real-time online of unrealized transformer station three-dimensional model electriferous state and real-time device state is synchronous, and the problem of the electromagnetic field spatial visualization of unrealized high-tension apparatus displaying.

In order to address the above problem, the invention provides and a kind ofly carry out the method that three-dimensional visualization is showed for the electromagnetic field to transformer station, may further comprise the steps:

S1: utilize three-dimensional laser scanner that transformer station is carried out three-dimensional outdoor scene scanning modeling, generate transformer station's three-dimensional model;

S2: the real-time electromagnetic data that transformer station's three-dimensional model and electrical network Real-time running system is docked to obtain equipment in the transformer station;

S3: according to real-time electromagnetic data drawing three-dimensional contour surface in transformer station's three-dimensional model of equipment, and the real-time electromagnetic data of bonding apparatus carries out visual presentation.

As preferably, also comprise step S4 between step S2 and the step S3: the electriferous state according to equipment in the transformer station carries out painted displaying to the unit in transformer station's three-dimensional model.

As preferred further, step S4 also comprises: based on the electric attribute of equipment in the transformer station charging equipment is carried out circumference and play up, and carry out visual presentation with difference with color respectively according to electric pressure.

As preferred further, described electric attribute comprises electric pressure, charged safe distance and/or the class of insulation.

As preferred further, step S1 specifically may further comprise the steps:

S101: utilize three-dimensional laser scanner that transformer station is scanned, obtain the outdoor scene photo of laser point cloud storehouse and each analyzing spot;

S102: staging treating is carried out in the laser point cloud storehouse, utilize every section part that forms respectively an object or object in the laser point cloud storehouse, then splice and form whole model;

S103: utilize the outdoor scene photo of each analyzing spot that whole model is carried out material color applying, obtain transformer station's three-dimensional model.

As preferred further, among the step S3, the process of drawing three-dimensional contour surface specifically may further comprise the steps:

S301: the real-time electromagnetic data of equipment in the transformer station is read in internal memory;

S302: the data in the scanning internal memory, construct one by one volume elements;

S303: the field value of each angle point of volume elements and given equivalent face amount are compared, construct the state table of this volume elements according to comparative result;

S304: draw and with contour surface the volume elements border of intersection point to be arranged according to state table;

S305: the intersection point that calculates volume elements border and contour surface by linear interpolation method;

S306: utilize centered Finite Difference Methods to obtain the normal direction of each corner point of volume elements, obtain again the normal direction at each place, summit of triangle by linear interpolation method;

S307: according to coordinate figure and the normal vector on each each summit of triangle, draw the contour surface image.

Compared with prior art, the present invention has following beneficial effect:

1) can obtain the surface model that a large amount of cloud datas characterize object by laser scanning fast by method of the present invention, obtain the some position information of magnanimity, provide high-precision surveying and mapping data for carrying out the three-dimensional outdoor scene modeling of transformer station, solve speed and the precision problem of transformer station's three-dimension modeling, greatly surmounted original method of drawing according to drawing;

2) by transformer station's three-dimensional model is docked with the electrical network Real-time running system, the three-dimensional contour surface of reconstruct electromagnetic field in transformer station's three-dimensional model, the a large amount of somes data that typical electrical calculating model for magnetic field in the transformer station is obtained are transformed into the three-dimensional image information of visual in image real-time, interactive, the outdoor scene environment of transformer station, the situations such as distribution of electromagnetic field have been showed, for substation operation decision-making and control provide foundation and help comprehensively.

Description of drawings

Fig. 1 is the schematic flow sheet that carries out the method for three-dimensional visualization displaying for the electromagnetic field to transformer station of the present invention.

Embodiment

Below in conjunction with accompanying drawing specific embodiments of the invention are elaborated.

As shown in Figure 1, of the present inventionly carry out the method that three-dimensional visualization shows for the electromagnetic field to transformer station and may further comprise the steps:

S1: utilize three-dimensional laser scanner that transformer station is carried out three-dimensional outdoor scene scanning modeling, generate transformer station's three-dimensional model; Transformer station's three-dimensional model provides display carrier for electromagnetic field is visual;

S2: the real-time electromagnetic data that transformer station's three-dimensional model and electrical network Real-time running system is docked to obtain equipment in the transformer station;

S3: according to real-time electromagnetic data drawing three-dimensional contour surface in transformer station's three-dimensional model of equipment, and the real-time electromagnetic data of bonding apparatus carries out visual presentation.

In the present embodiment, as preferred implementation, also comprise step S4 between step S2 and the step S3: the electriferous state according to equipment in the transformer station carries out painted displaying to the unit in transformer station's three-dimensional model.

In the present embodiment, as preferred implementation, step S4 also comprises: based on the electric attribute of equipment in the transformer station charging equipment is carried out circumference and play up, and carry out visual presentation with difference with color respectively according to electric pressure.Described electric attribute can comprise electric pressure, charged safe distance and/or the class of insulation.

In the present embodiment, as preferred implementation, step S1 specifically may further comprise the steps:

S101: utilize three-dimensional laser scanner that transformer station is scanned, obtain the outdoor scene photo of laser point cloud storehouse and each analyzing spot;

By adopting laser that transformer station's atural object of entirely standing is scanned, can access the spatial surface position coordinates of each scene of transformer station, entity, and obtain high-precision laser point cloud storehouse, and obtain synchronously the panoramic digital outdoor scene photo of each analyzing spot;

S102: staging treating is carried out in the laser point cloud storehouse, utilize every section part that forms respectively an object or object in the laser point cloud storehouse, then splice and form whole model;

The automatic segmentation handling implement that staging treating utilizes system software to provide carries out, extract a part from the some Yun Kuzhong of scanning, the common a part of point that forms an object or object, process to carry out Auto-matching, then utilize AutoCAD to carry out the splicing of whole model according to a cloud built-up pattern;

S103: utilize the outdoor scene photo of each analyzing spot that whole model is carried out material color applying, obtain transformer station's three-dimensional model.

Among the step S2, the real-time data memory that the electrical network Real-time running system provides is in database, and database base table structure is:

Point(?x,y,z,E,H?)

Point is comprised of x coordinate, y coordinate, z coordinate, E total electric field intensity, synthetic five attributes of magnetic induction density of H.When processing, as required electromagnetic data is got transformer station's three-dimensional model from database read, the form with three-dimensional visualization in subsequent step shows.

In the present embodiment, as preferred implementation, among the step S3, the process of drawing three-dimensional contour surface specifically may further comprise the steps:

S301: the real-time electromagnetic data of equipment in the transformer station is read in internal memory;

S302: the data in the scanning internal memory, construct one by one volume elements;

S303: the field value of each angle point of volume elements and given equivalent face amount are compared, construct the state table of this volume elements according to comparative result;

S304: draw and with contour surface the volume elements border of intersection point to be arranged according to state table;

S305: the intersection point that calculates volume elements border and contour surface by linear interpolation method;

S306: utilize centered Finite Difference Methods to obtain the normal direction of each corner point of volume elements, obtain again the normal direction at each place, summit of triangle by linear interpolation method;

S307: according to coordinate figure and the normal vector on each each summit of triangle, draw the contour surface image.

Among the step S307, the method for drawing the contour surface image is: apex coordinate and vertex scheme vector according to storage, utilize OpenGL to realize drawing and playing up triangle and contour surface.Adopt classical illumination model, from considering objective resultant effect, reflect the resultant effect that reflects many times between all objects with surround lighting, with diffusing to reflect that jobbie is to the comprehensive effect of spectrum, namely represent the color that people are usually said, and represent the resultant effect of object transmission effect with opacity, consider that again specific external light source is to an incident effect of jobbie simultaneously.

Among the step S3, the drafting of 3 D electromagnetic field contour surface need to be searched for contour surface according to the equivalent face amount of setting from the spatial point data, and the summit on the contour surface triangle and vertex normal are stored.Its basic thought is: all cubes in the deal with data field one by one, judge whether cubical 8 angle points cross over contour surface to be asked, and for the cube of crossing over contour surface, adopt interpolation calculation to go out the intersection point on contour surface and cube limit.According to the relative position of each summit of cube and contour surface, the intersection point on contour surface and cube limit is connected by certain way generates contour surface, approach expression as in this cube one of contour surface.

Can obtain the surface model that a large amount of cloud datas characterize object by laser scanning fast by method of the present invention, obtain the some position information of magnanimity, provide high-precision surveying and mapping data for carrying out the three-dimensional outdoor scene modeling of transformer station, solve speed and the precision problem of transformer station's three-dimension modeling, greatly surmounted original method of drawing according to drawing.

By transformer station's three-dimensional model is docked with the electrical network Real-time running system, the three-dimensional contour surface of reconstruct electromagnetic field in transformer station's three-dimensional model, the a large amount of somes data that typical electrical calculating model for magnetic field in the transformer station is obtained are transformed into the three-dimensional image information of visual in image real-time, interactive, the outdoor scene environment of transformer station, the situations such as distribution of electromagnetic field have been showed, for substation operation decision-making and control provide foundation and help comprehensively.

Above embodiment is exemplary embodiment of the present invention only, is not used in restriction the present invention, and protection scope of the present invention is defined by the claims.Those skilled in the art can make various modifications or be equal to replacement the present invention in essence of the present invention and protection domain, this modification or be equal to replacement and also should be considered as dropping in protection scope of the present invention.

Claims (6)

1. one kind is used for the electromagnetic field of transformer station is carried out the method that three-dimensional visualization is showed, it is characterized in that, may further comprise the steps:
S1: utilize three-dimensional laser scanner that transformer station is carried out three-dimensional outdoor scene scanning modeling, generate transformer station's three-dimensional model;
S2: the real-time electromagnetic data that transformer station's three-dimensional model and electrical network Real-time running system is docked to obtain equipment in the transformer station;
S3: according to real-time electromagnetic data drawing three-dimensional contour surface in transformer station's three-dimensional model of equipment, and the real-time electromagnetic data of bonding apparatus carries out visual presentation.
2. according to claim 1ly carry out the method that three-dimensional visualization is showed for the electromagnetic field to transformer station, it is characterized in that, also comprise step S4 between step S2 and the step S3: the electriferous state according to equipment in the transformer station carries out painted displaying to the unit in transformer station's three-dimensional model.
3. according to claim 2ly carry out the method that three-dimensional visualization is showed for the electromagnetic field to transformer station, it is characterized in that, step S4 also comprises: based on the electric attribute of equipment in the transformer station charging equipment is carried out circumference and play up, and carry out visual presentation with difference with color respectively according to electric pressure.
4. according to claim 3ly carry out the method that three-dimensional visualization is showed for the electromagnetic field to transformer station, it is characterized in that described electric attribute comprises electric pressure, charged safe distance and/or the class of insulation.
5. each describedly carries out the method that three-dimensional visualization is showed for the electromagnetic field to transformer station in 4 according to claim 1, it is characterized in that step S1 specifically may further comprise the steps:
S101: utilize three-dimensional laser scanner that transformer station is scanned, obtain the outdoor scene photo of laser point cloud storehouse and each analyzing spot;
S102: staging treating is carried out in the laser point cloud storehouse, utilize every section part that forms respectively an object or object in the laser point cloud storehouse, then splice and form whole model;
S103: utilize the outdoor scene photo of each analyzing spot that whole model is carried out material color applying, obtain transformer station's three-dimensional model.
6. each describedly carries out the method that three-dimensional visualization is showed for the electromagnetic field to transformer station in 4 according to claim 1, it is characterized in that among the step S3, the process of drawing three-dimensional contour surface specifically may further comprise the steps:
S301: the real-time electromagnetic data of equipment in the transformer station is read in internal memory;
S302: the data in the scanning internal memory, construct one by one volume elements;
S303: the field value of each angle point of volume elements and given equivalent face amount are compared, construct the state table of this volume elements according to comparative result;
S304: draw and with contour surface the volume elements border of intersection point to be arranged according to state table;
S305: the intersection point that calculates volume elements border and contour surface by linear interpolation method;
S306: utilize centered Finite Difference Methods to obtain the normal direction of each corner point of volume elements, obtain again the normal direction at each place, summit of triangle by linear interpolation method;
S307: according to coordinate figure and the normal vector on each each summit of triangle, draw the contour surface image.
CN2012105421440A 2012-12-14 2012-12-14 Method displaying electromagnetic field of converting station in three-dimensional and visual mode CN103021024A (en)

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Cited By (13)

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CN103473349A (en) * 2013-09-24 2013-12-25 深圳市专一通信科技有限公司 Three-dimensional presentation method and device for testing data of wireless network
CN103605836A (en) * 2013-11-02 2014-02-26 国家电网公司 Parallel computing method for three-dimensional electromagnetic fields of high-voltage transformer substation
CN103760427A (en) * 2014-01-15 2014-04-30 国家电网公司 Statistical method of power frequency electromagnetic field distribution rules in transformer substation
CN103761683A (en) * 2014-01-17 2014-04-30 广东电网公司电力科学研究院 Three-dimensional virtual visualization display method of thermal power plant
CN104318112A (en) * 2014-10-29 2015-01-28 中国电子科技集团公司第二十九研究所 Spatial electromagnetic field intensity visualization method on basis of variable color mapping
CN104392387A (en) * 2014-10-10 2015-03-04 华电电力科学研究院 Unity3D-based circular coal yard three-dimensional (3D) intelligent visualization display platform
CN105425698A (en) * 2015-11-09 2016-03-23 国网重庆市电力公司电力科学研究院 Integrated management and control method and system for three-dimensional digital transformer station
CN105654539A (en) * 2015-12-31 2016-06-08 中国南方电网有限责任公司 Three-dimensional visual method for monitoring operation of transformer substation
CN106097648A (en) * 2016-08-04 2016-11-09 中国南方电网有限责任公司超高压输电公司贵阳局 Transformer station's fortune inspection working space three-dimensional security monitoring method
CN106600698A (en) * 2016-12-15 2017-04-26 西安汇明光电技术有限公司 Quick three-dimensional model drawing method
CN106652031A (en) * 2016-09-28 2017-05-10 国家电网公司 4D real dynamic display method for electric engineering design
CN106709150A (en) * 2016-11-26 2017-05-24 山东省计算中心(国家超级计算济南中心) Fine simulation-based current distribution and near-field electromagnetic distribution three-dimensional visual method
CN106787192A (en) * 2016-12-22 2017-05-31 长园共创电力安全技术股份有限公司 Charging zone management method based on the high voltage display device with communication function

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Cited By (17)

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Publication number Priority date Publication date Assignee Title
CN103473349A (en) * 2013-09-24 2013-12-25 深圳市专一通信科技有限公司 Three-dimensional presentation method and device for testing data of wireless network
CN103605836A (en) * 2013-11-02 2014-02-26 国家电网公司 Parallel computing method for three-dimensional electromagnetic fields of high-voltage transformer substation
CN103760427A (en) * 2014-01-15 2014-04-30 国家电网公司 Statistical method of power frequency electromagnetic field distribution rules in transformer substation
CN103761683A (en) * 2014-01-17 2014-04-30 广东电网公司电力科学研究院 Three-dimensional virtual visualization display method of thermal power plant
CN103761683B (en) * 2014-01-17 2017-02-01 广东电网公司电力科学研究院 Three-dimensional virtual visualization display method of thermal power plant
CN104392387B (en) * 2014-10-10 2017-12-15 华电电力科学研究院 A kind of circular coal yard 3 D intelligent based on Unity3D visualizes platform
CN104392387A (en) * 2014-10-10 2015-03-04 华电电力科学研究院 Unity3D-based circular coal yard three-dimensional (3D) intelligent visualization display platform
CN104318112A (en) * 2014-10-29 2015-01-28 中国电子科技集团公司第二十九研究所 Spatial electromagnetic field intensity visualization method on basis of variable color mapping
CN105425698A (en) * 2015-11-09 2016-03-23 国网重庆市电力公司电力科学研究院 Integrated management and control method and system for three-dimensional digital transformer station
CN105654539A (en) * 2015-12-31 2016-06-08 中国南方电网有限责任公司 Three-dimensional visual method for monitoring operation of transformer substation
CN106097648A (en) * 2016-08-04 2016-11-09 中国南方电网有限责任公司超高压输电公司贵阳局 Transformer station's fortune inspection working space three-dimensional security monitoring method
CN106652031A (en) * 2016-09-28 2017-05-10 国家电网公司 4D real dynamic display method for electric engineering design
CN106709150A (en) * 2016-11-26 2017-05-24 山东省计算中心(国家超级计算济南中心) Fine simulation-based current distribution and near-field electromagnetic distribution three-dimensional visual method
CN106600698A (en) * 2016-12-15 2017-04-26 西安汇明光电技术有限公司 Quick three-dimensional model drawing method
CN106600698B (en) * 2016-12-15 2019-09-24 西安汇明光电技术有限公司 A kind of fast drawing method of threedimensional model
CN106787192A (en) * 2016-12-22 2017-05-31 长园共创电力安全技术股份有限公司 Charging zone management method based on the high voltage display device with communication function
CN106787192B (en) * 2016-12-22 2019-06-11 长园共创电力安全技术股份有限公司 Charging zone management method based on the high voltage display device with communication function

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Application publication date: 20130403