CN102768308B - Method for carrying out visual simulation test on dielectric loss of current transformer - Google Patents
Method for carrying out visual simulation test on dielectric loss of current transformer Download PDFInfo
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- CN102768308B CN102768308B CN201210278139.3A CN201210278139A CN102768308B CN 102768308 B CN102768308 B CN 102768308B CN 201210278139 A CN201210278139 A CN 201210278139A CN 102768308 B CN102768308 B CN 102768308B
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Abstract
The invention provides a method for carrying out visual simulation test on the dielectric loss of a current transformer. The method comprises the following steps of: by utilizing a visual reality technique, establishing a current transformer three-dimensional model, introducing a current transformer mathematical simulation model of the tested current transformer and establishing a corresponding relation of the current transformer three-dimensional model and the current transformer mathematical simulation model; by utilizing the visual reality technique, establishing an instrument three-dimensional model for detecting the tested current transformer, introducing an instrument mathematical simulation model of a current transformer dielectric loss test instrument and establishing a corresponding relation of the instrument three-dimensional model and the instrument mathematical simulation model; and operating a simulation system and calling the current transformer model and the instrument model to carry out visual simulation test. According to the technology provided by the invention, the accuracy and the working efficiency of the simulation test operation are improved, the visual requirement on the power system, which is increased day by day, is met, and the method has ultrahigh popularization value.
Description
Technical field
The present invention relates to Simulating technique in Electric Power System, particularly relate to a kind of current transformer dielectric loss visual simulating method of testing.
Background technology
High-tension current inductor is the key equipment of electric system, large size city electrical network reliable power supply.High-tension current inductor dielectric loss test is the dispatch from the factory indispensable test event of test, accident diagnosis in service of current transformer.Therefore, carry out the detection of the exploitation of current transformer dielectric loss tester device, high-tension current inductor defect location in service, very necessity of training of technician at device fabrication enterprise, scientific and technological research and development institution, electric system, large-scale customer substation, large size city electrical network.Above-mentioned work all needs current transformer dielectric loss to carry out emulation testing.
At present, electric system simulation system is widely used in network system, the technology of the Digital Simulation realizing based on different emulation platforms, Digital Simulation System not only can be for the real-time simulation analysis research of electric system, it can also provide electric system primary equipment, all kinds of control system, the closed loop test environment of various power system automation apparatus real-timedigital simulation tests.This class power system digital simulation device, by high-speed computer and signal IO channel, in conjunction with the mathematical model of simulated system, real-time emulation algorithm, good man-machine interface, and be equipped with the comprehensive composition of the voltage/current constant power amplifier unit of function admirable.
Visual (Visualization) utilizes computer graphics and image processing techniques, realizes the conversion between datagraphic, image, and carries out theory, method and the technology of interaction process.Since the later stage eighties 20th century occurs, and develop rapidly in widespread attention in every field at present, in recent years, in electric system, be also to start to obtain deep research, along with the scale of electric system constantly expands, the demand of power system visualization is also in continuous increase, achieving noticeable achievement aspect electric power system dispatching at present, benefit is obvious, and for Electric Power Automation Equipment with and test emulation technology, although the technology of the Digital Simulation realizing based on different emulation platforms can reach extremely strong function, by the mathematical model of Erecting and improving, carry out the emulation of various tests, but it is in emulation testing process, visualization is low, emulation testing personnel remain will be in the face of a large amount of numerous and diverse data, the data that these are numerous and diverse, requiring emulation testing personnel must be that a professional and technical personnel just can understand, simultaneously, processing these numerous and diverse data also can cause the efficiency of emulation testing low, these defects be also its visualization low due to.
In sum, traditional current transformer dielectric loss emulation testing technology, cannot adapt to the demand of ever-increasing power system visualization.
Summary of the invention
Based on this, be necessary, for traditional current transformer dielectric loss emulation testing technology, cannot adapt to the problem of the demand of ever-increasing power system visualization, a kind of current transformer dielectric loss visual simulating method of testing is provided.
A kind of current transformer dielectric loss visual simulating method of testing, comprises the steps:
Set up visual current transformer model:
Utilize virtual reality technology to set up current transformer three-dimensional model, import the Simulation of current transformer mathematical model of tested current transformer, set up the corresponding relation of described current transformer three-dimensional model and described Simulation of current transformer mathematical model;
Set up visual instrument models:
Utilize virtual reality technology to set up the instrument three-dimensional model for detection of described tested current transformer, import the instrument simulation mathematical model of current transformer dielectric loss tester device, set up the corresponding relation of described instrument three-dimensional model and described instrument simulation mathematical model;
Carry out visual emulation testing:
Operating simulation system, calls in described current transformer model and instrument models and carries out visual emulation testing.
Above-mentioned current transformer dielectric loss visual simulating method of testing, virtual reality technology is combined with current transformer dielectric loss emulation testing technology, by setting up visual current transformer model and instrument models, in emulation testing process, can realize visual displaying, greatly improve the visualization of current transformer dielectric loss emulation testing, improve significantly the visualization of human-computer interaction interface in emulation testing, reduce the processing procedure of emulation testing personnel to numerous and diverse data, accuracy and the work efficiency of emulation testing operation are improved, meet the power system visualization demand increasingly increasing, there is high promotional value.
Brief description of the drawings
Fig. 1 is the current transformer dielectric loss visual simulating method of testing process flow diagram of an embodiment.
Embodiment
Below in conjunction with accompanying drawing, the embodiment of current transformer dielectric loss visual simulating method of testing of the present invention is described in detail.
Fig. 1 shows the current transformer dielectric loss visual simulating method of testing process flow diagram of an embodiment, mainly comprises the steps:
Step S100, sets up visual current transformer model:
Utilize virtual reality technology to set up current transformer three-dimensional model, import the Simulation of current transformer mathematical model of tested current transformer, set up the corresponding relation of described current transformer three-dimensional model and described Simulation of current transformer mathematical model;
Step S200, sets up visual instrument models:
Utilize virtual reality technology to set up the instrument three-dimensional model for detection of described tested current transformer, import the instrument simulation mathematical model of current transformer dielectric loss tester device, set up the corresponding relation of described instrument three-dimensional model and described instrument simulation mathematical model;
Step S300, carries out visual emulation testing:
Operating simulation system, calls in described current transformer model and instrument models and carries out visual emulation testing.
For more clear technology of the present invention, set forth preferred embodiment below.
For step S100, be mainly to utilize virtual reality technology to set up visual current transformer model, can comprise the steps:
The first, taking described tested current transformer as prototype, utilize virtual reality technology and fictionalize on computers according to the ratio of setting the current transformer three-dimensional model that comprises A, B, C three-phase equipment;
Particularly, according to length, the connected mode etc. of tested current transformer, ratio in its prototype to dwindle, adopt 3DMAX business software to fictionalize current transformer three-dimensional model, fictionalize A phase device model, fictionalize B, C phase model according to A phase model, pro rata three-phase model spacing is arranged, be combined into the current transformer three-dimensional model that comprises A, B, C three-phase.
The second, set up a plane coordinate system, the reach that the circumscribed area of setting A, B, the C three-phase equipment of described current transformer three-dimensional model in this coordinate system is mouse event, for responding mouse input instruction, carries out three alternate selection and display functions;
The 3rd, set up respectively the corresponding relation of A, B, C three-phase model in described current transformer three-dimensional model A, B, C three-phase equipment and described Simulation of current transformer mathematical model;
By above-mentioned steps, Simulation of current transformer mathematical model can be changed in real time with the relevant data of current transformer A, B, C three-phase, realize A, the B in the current test of visual displaying, the state of C three-phase at current transformer three-dimensional model.
For step S200, be mainly three-dimensional case, the three-dimensional part of calling in 3DMAX making instrument, the reach of control on definition instrument, and set corresponding function.
Set forth as example taking the full-automatic anti-jamming dielectric loss detecting instrument of KD9000 type below, step S200 comprises the steps:
A, according to the three-dimensional case of the external structure virtual instrument of current transformer dielectric loss tester device;
Particularly, adopt 3DMAX business software to set up detecting instrument three-dimensional case according to the proportionate relationship of the length of the full-automatic anti-jamming dielectric loss detecting instrument of KD9000 type; According to the length and width ratio of display screen and the position on instrument, the dark base map of note on the three-dimensional case of instrument.
B, on described three-dimensional case the simulation component of virtual instrument; Wherein, described simulation component comprises three-dimensional button, three-dimensional display screen;
Particularly, make three-dimensional button, three-dimensional display screen according to key arrangement order in instrument front; In addition, can also make three-dimensional first-class other three-dimensional part that connects at instrument side according to connecting putting in order of first-class parts further.
C, set up a plane coordinate system, the reach that the circumscribed area of setting described simulation component in this coordinate system is mouse event;
Particularly, taking the lower left corner of instrument front rectangle as initial point, set up plane coordinate system, in this coordinate system, be defined as each three-dimensional button, a rectangle of three-dimensional display screen definition goes as reach for responding mouse event; Click the triggering command of this rectangular extent as setting event taking mouse.
D, set up the corresponding relation of described simulation component and described instrument simulation mathematical model;
Mainly comprise following two aspects, one, sets up the corresponding relation between described three-dimensional button and the operational order of described instrument simulation mathematical model input; Its two, set up the corresponding relation between the data of described three-dimensional display screen and described instrument simulation mathematical model output;
Particularly, replace options button and data input frame etc. with three-dimensional button, instruction, the data input of instrument simulation mathematical model are all inputted by the three-dimensional button taking actual key as prototype, simultaneously, the output data of instrument simulation mathematical model are shown in the external determined coordinate range of three-dimensional display screen, by the way, realize the visual presentation to instrumentation height, solved visual low defect such as traditional selection key, input frame etc.
For step S300, mainly carrying out in emulation testing process, current transformer model and the instrument models of calling above-mentioned foundation carried out steering order, data input and output data show, thereby the height of realizing emulation testing is visual, as an embodiment, first current transformer three-dimensional model and instrument three-dimensional model are imported to based in virtual reality technology virtual scene; Wherein, this virtual scene be scene taking current transformer place as prototype, the three-dimensional scene models that adopts 3DMAX business software to carry out emulation.Then in this three-dimensional scene models, use instrument three-dimensional model to carry out emulation testing to current transformer three-dimensional model, specifically comprise as follows:
1) in the time detecting that on described current transformer three-dimensional model, A, B, C three-phase equipment have mouse to click, from Simulation of current transformer mathematical model, select corresponding three-phase model according to clicked tool A phase, B phase or C;
Particularly, by above-mentioned steps, can in test process, realize the function of A, B, the visual switching of C three-phase.
2) when detecting that described Simulation of current transformer mathematical model is in the time carrying out dielectric loss emulation testing mutually to A phase, B phase or C, A phase, B phase or the C phase circumscribed area on described current transformer three-dimensional model glimmered, highlighted demonstration;
Particularly, by above-mentioned steps, can in test process, realize the visual presentation function of A, B, C three-phase.
3) when detecting while having mouse click on described three-dimensional button, input to described instrument simulation mathematical model according to the corresponding operational order of the generation of this three-dimensional button;
For example, in the time that needs start to test, can be by this steering order of three-dimensional key-press input, trigger the event of setting, export corresponding operational order to instrument simulation mathematical model, thereby carry out emulation testing operation, with respect to by the form of selection key, have more effect of visualization true to nature.
4), in the time detecting that described instrument simulation mathematical model has the demonstration data of output, described demonstration data are shown in the region of described three-dimensional display screen; It shows shown in data reference table 1, table 2:
The typical data that table 1, equipment show when normal;
| ?tgδ | ?Cx1(pf) | ?tgδ | ?Cx2(pf) | ?tgδ | ?Cx3(pf) | ?tgδ | ?Cx4(pf) | ?tgδ | ?Cx5(pf) |
| ?0.375 | ?535 | ?0.367 | ?532 | ?0.345 | ?331 | ?0.249 | ?339 | ?0.268 | ?342 |
The typical data showing when table 2, unit exception;
| tgδ | ?Cx1(pf) | tgδ | ?Cx2(pf) | tgδ | ?Cx3(pf) | tgδ | ?Cx4(pf) | tgδ | ?Cx5(pf) |
| 1.1 | ?535 | 1.47 | ?532 | 1.6 | ?332 | 2.0 | ?339 | 1.34 | ?345 |
For example, when need to be presented in emulation experiment detection time, follow in the indication range of three-dimensional display screen and show detecting data, with respect to fixing demonstration, have more effect of visualization true to nature.
It should be noted that, the analogue system of moving is not limited to above-mentioned analogue system, can set up the corresponding relation between current transformer model and instrument models by this analogue system.
Further, for step S300, can also, according to A, B, the C three-phase simulation test data of described visual emulation testing acquisition, monitor operating condition and the malfunction of described tested current transformer three-phase;
Particularly, by the special real-time emulation system of electric system, tectonic system structure easily, parameters, and carry out real-time simulation test and obtain emulation testing data, according to these data, can the tested current transformer A of Real-Time Monitoring, B, the operation conditions of C three-phase, and its malfunction of Real-Time Monitoring, for failure prediction and anomaly analysis provide important reference.
The virtual reality technology of technical scheme of the present invention taking the feeling of immersion of height and good interactivity as feature, obtain manual simulation's environment true to nature, effectively simulate the behavior of people's various sensory perceptual systems in experimental situation, original various data and operational order and equipment taking actual are carried out associated as the three-dimensional model of prototype, improve significantly the visualization of human-computer interaction interface in emulation testing, emulation testing personnel and a large amount of numerous and diverse data processing are avoided, contribute to emulation testing personnel's input data and the accuracy of operational order, and improve the work efficiency of emulation testing, meet the power system visualization demand increasingly increasing.
At present, technology of the present invention is used widely in multiple emulation of network system, and obtain goodish effect, for example, aspect emulation testing safety education training, can bring better result of training, carry out aspect monitoring, thering is positive meaning in the operating condition to current transformer and malfunction.
The above embodiment has only expressed several embodiment of the present invention, and it describes comparatively concrete and detailed, but can not therefore be interpreted as the restriction to the scope of the claims of the present invention.It should be pointed out that for the person of ordinary skill of the art, without departing from the inventive concept of the premise, can also make some distortion and improvement, these all belong to protection scope of the present invention.Therefore, the protection domain of patent of the present invention should be as the criterion with claims.
Claims (2)
1. a current transformer dielectric loss visual simulating method of testing, is characterized in that, comprises the following steps:
Set up visual current transformer model:
Utilize virtual reality technology to set up current transformer three-dimensional model, import the Simulation of current transformer mathematical model of tested current transformer, set up the corresponding relation of described current transformer three-dimensional model and described Simulation of current transformer mathematical model; Specifically comprise:
Taking described tested current transformer as prototype, utilize virtual reality technology and fictionalize on computers according to the ratio of setting the current transformer three-dimensional model that comprises A, B, C three-phase equipment; Set up a plane coordinate system, the reach that the circumscribed area of setting A, B, the C three-phase equipment of described current transformer three-dimensional model in this coordinate system is mouse event; Set up respectively the corresponding relation of A, B, C three-phase model in described current transformer three-dimensional model A, B, C three-phase equipment and described Simulation of current transformer mathematical model;
Set up visual instrument models:
Utilize virtual reality technology to set up the instrument three-dimensional model for detection of described tested current transformer, import the instrument simulation mathematical model of current transformer dielectric loss tester device, set up the corresponding relation of described instrument three-dimensional model and described instrument simulation mathematical model; Specifically comprise:
According to the three-dimensional case of the external structure virtual instrument of current transformer dielectric loss tester device; The simulation component of virtual instrument on described three-dimensional case; Wherein, described simulation component comprises three-dimensional button, three-dimensional display screen; Set up a plane coordinate system, the reach that the circumscribed area of setting described simulation component in this coordinate system is mouse event; Set up the corresponding relation of described simulation component and described instrument simulation mathematical model; Comprise: the corresponding relation between the corresponding relation between described three-dimensional button and the operational order of described instrument simulation mathematical model input and described three-dimensional display screen and the data of described instrument simulation mathematical model output;
Carry out visual emulation testing:
Operating simulation system, calls in described current transformer model and instrument models and carries out visual emulation testing; Specifically comprise:
In the time detecting that on described current transformer three-dimensional model, A, B, C three-phase equipment have mouse to click, from Simulation of current transformer mathematical model, select corresponding three-phase model according to clicked tool A phase, B phase or C; When detecting that described Simulation of current transformer mathematical model is in the time carrying out dielectric loss emulation testing mutually to A phase, B phase or C, A phase, B phase or the C phase circumscribed area on described current transformer three-dimensional model glimmered, highlighted demonstration; When detecting while having mouse click on described three-dimensional button, input to described instrument simulation mathematical model according to the corresponding operational order of the generation of this three-dimensional button; In the time detecting that described instrument simulation mathematical model has the demonstration data of output, described demonstration data are shown in the region of described three-dimensional display screen.
2. current transformer dielectric loss visual simulating method of testing according to claim 1, it is characterized in that, the visual emulation testing step of described execution also comprises: according to A, B, the C three-phase simulation test data of described visual emulation testing acquisition, monitor operating condition and the malfunction of described tested current transformer three-phase.
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| CN103500521B (en) * | 2013-09-29 | 2015-09-16 | 广州供电局有限公司 | The stake resistance visual simulation test method of electrical equipment |
| CN103675741B (en) * | 2013-09-30 | 2016-08-17 | 广州供电局有限公司 | Electrical measuring instrument realistically displayed method and system thereof |
| EP2863277A1 (en) * | 2013-10-16 | 2015-04-22 | Sick Ag | Method for device simulation |
| CN108490267B (en) * | 2018-03-12 | 2020-04-14 | 广东电网有限责任公司中山供电局 | Display system for on-line monitoring data of power equipment |
| CN109635487B (en) * | 2018-12-25 | 2023-04-07 | 宁波弘讯科技股份有限公司 | Article collocation simulation method and device, network sales platform and storage medium |
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Effective date of registration: 20200916 Address after: 510620 Tianhe District, Guangzhou, Tianhe South Road, No. two, No. 2, No. Patentee after: Guangzhou Power Supply Bureau of Guangdong Power Grid Co.,Ltd. Address before: 510620 Tianhe District, Guangzhou, Tianhe South Road, No. two, No. 2, No. Patentee before: GUANGZHOU POWER SUPPLY Co.,Ltd. |