CN104062563A - High-voltage virtual experiment platform realization method and system - Google Patents
High-voltage virtual experiment platform realization method and system Download PDFInfo
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Abstract
The invention provides a high-voltage virtual experiment platform realization method and system. In the realization method, an initialization module, a charging module, a discharge calculating module and a result displaying module which are connected in sequence are included. The system comprises a DC high-voltage experiment platform, an AC high-voltage experiment platform and an impulse high-voltage experiment platform, wherein the three platforms are mutually independent; the DC high-voltage experiment platform and the AC high-voltage experiment platform carry out withstand voltage experiment of different-distance and different-polarity pin plate interval and plate-to-plate interval; and the impulse high-voltage experiment platform carries out 50% impulse withstand voltage experiment of a high-voltage device. With the method and system in the invention, the cost in high-voltage virtual experiment is low, previous preparation time is short, maintenance charge is small, safety and convenience effects are achieved, and students can finish the experiment by means of computers anywhere and can obtain the experiment results.
Description
Technical field
The implementation method and the system that the present invention relates to a kind of high voltage Virtual Experiment Platform Based, be applicable in High-Voltage Technology teaching Process of experiment, for student.
Background technology
High-Voltage Experiment teaching is the important component part in High-Voltage Technology course teaching, and because high voltage field experiment has, electric pressure is high, security requirement is high; High-tension apparatus setup time is long, operation and maintenance cost is high; The features such as High-Voltage Experimentation need to repeatedly repeat, untrained student often can not participate in the operation of field experiment directly, but in conjunction with the data obtained, writes laboratory report after hearing out the explanation of testing teacher, lacks good experiment effect.
Summary of the invention
For the problem of background technology existence, the invention provides a kind of implementation method and system of high voltage Virtual Experiment Platform Based.
For solving the problems of the technologies described above, the present invention adopts following technical scheme:
An implementation method for high voltage Virtual Experiment Platform Based, comprises the initialization module, charging module, discharge calculation module, the result presentation module that connect successively;
Initialization module, completes reading and arranging of Virtual Experiment Platform Based layout, basic experiment parameter;
Charging module, for impulse voltage generator, completes the operation of boost button, the demonstration of the operation of trigger button and capacitor charging voltage; For high voltage direct current generator and ac high voltage generator, complete pressure regulator boost dish operation and the demonstration of gap both end voltage;
Discharge calculation module, for impulse voltage generator, complete the analysis and calculation of the discharge process of test specimen, and the impact of going dissociate, electric property, temperature, humidity and the atmospheric correction function of test specimen free according to the output voltage waveforms of impulse voltage generator, discharge time probability distribution, space charge judge that whether this electric discharge test specimen is breakdown; For high voltage direct current generator and ac high voltage generator, complete the calculating of tested gap and voltage breakdown relation, comprise that discharge time probability distribution, space charge dissociate and go the impact dissociating, the electric property of test specimen, temperature, humidity and atmospheric correction function judge that whether this electric discharge test specimen is breakdown;
Result presentation module, completes impulse voltage generator, high voltage direct current generator and ac high voltage generator three
Plant representing of voltage generator electric discharge result, the result of calculation drawing according to discharge calculation module represents test specimen and punctures or do not puncture, and provides simultaneously and enters the entrance of experiment scene next time.
In described discharge calculation module, the discharge process of test specimen carried out to the content that analysis and calculation specifically comprises be:
1) environment temperature, the impact of humidity and change of atmospheric pressure: in experimentation, these factors have a great impact voltage breakdown, and these impacts are introduced at the same time the size that is used for judging voltage breakdown in function, to realize the associated of virtual experimental and field experiment;
2) impact that dissociates and go to dissociate due to space charge, the voltage breakdown in identical test specimen or gap is incomplete same at the numerical value of twice experiment gained of priority, introduces probability distribution theory in analysis and calculation, the difference of twice experimental data before and after realizing.
In described discharge calculation module, judge that the whether breakdown content specifically comprising of this electric discharge test specimen is:
1) for impulse high voltage experiment porch, experimenter, press after trigger button, first, from the database of this discharge calculation module, find out the voltage breakdown reference value of this test specimen, the voltage that while then more this time triggering, all electric capacity stores and with the difference of reference value, and the impact of going dissociate free according to discharge time probability distribution, space charge, electric property and this difference of Environments and the probability distribution that punctures relation of test specimen, the product of getting between a stochastic variable and this probability distribution value determines whether this discharge process test specimen punctures;
2) for high direct voltage experiment porch and ac high-voltage experiment porch, experimenter constantly adjusts pressure regulation dish and heightens voltage, first from the database of this discharge calculation module, recall this breakdown voltage value apart from mapping in this kind of gap, with the magnitude of voltage comparison passing over, consider probability distribution and stochastic variable that environment adds with going free speed simultaneously, determine that this experiment punctures gap at a definite magnitude of voltage.
The high voltage Virtual Experiment Platform Based system that method based on above-mentioned realizes, comprises high direct voltage experiment porch, ac high-voltage experiment porch and impulse high voltage experiment porch, and three experiment porchs are separate; High direct voltage experiment porch and ac high-voltage experiment porch carry out the rod-plane gap of different distance and opposed polarity and the withstand voltage experiment of plate sheet separation, and impulse high voltage experiment porch carries out 50% impulse withstand voltage experiment of high-tension apparatus.
Compared with prior art, the present invention has the following advantages and beneficial effect:
Adopt method and system of the present invention can make High-Voltage Experimentation small investment, the early-stage preparations time is short, and maintenance cost is little, safety, and convenient, student anywhere computer can complete experiment, obtains experimental result.
Accompanying drawing explanation
Fig. 1 is implementation method in the present invention (kernel) Organization Chart;
Fig. 2 is the structural drawing of system in the present invention;
Fig. 3 is the design flow diagram of impulse high voltage experiment porch in system of the present invention;
Fig. 4 is the design flow diagram of high direct voltage experiment porch in system of the present invention;
Fig. 5 is the design flow diagram of ac high-voltage experiment porch in system of the present invention.
Embodiment
Below in conjunction with embodiment shown in the drawings, the invention will be further described.
In the present embodiment, adopt Flash software realize Virtual Experiment Platform Based interface (that is: initialization module,
Charging module, result presentation module), with Visio C++, process complex data and calculating (that is: discharge calculation module), as shown in Figure 1; During concrete enforcement, also can adopt the software of other similar functions, not only by Flash and Visio C++, realize.
As shown in Figure 1, a kind of implementation method of high voltage Virtual Experiment Platform Based, comprises the initialization connecting successively
Module, charging module, discharge calculation module, result presentation module;
Initialization module, completes reading and arranging of Virtual Experiment Platform Based layout, basic experiment parameter;
Charging module, for impulse voltage generator, completes the operation of boost button, the demonstration of the operation of trigger button and capacitor charging voltage; For high voltage direct current generator and ac high voltage generator, complete pressure regulator boost dish operation and the demonstration of gap both end voltage.
Discharge calculation module, for impulse voltage generator, complete the analysis and calculation of the discharge process of test specimen, and the impact of going dissociate, electric property, temperature, humidity and the atmospheric correction function etc. of test specimen free according to the output voltage waveforms of impulse voltage generator, discharge time probability distribution, space charge judges that whether this test specimen that discharges is breakdown; For high voltage direct current generator and ac high voltage generator, complete the calculating of tested gap and voltage breakdown relation, comprise that discharge time probability distribution, space charge dissociate and go the impact dissociating, the electric property of test specimen, temperature, humidity and atmospheric correction function etc. judges that whether this electric discharge test specimen is breakdown;
Result presentation module, complete representing of impulse voltage generator, high voltage direct current generator and three kinds of voltage generator electric discharge results of ac high voltage generator, the result of calculation drawing according to discharge calculation module represents test specimen and punctures or do not puncture, and provides simultaneously and enters the entrance of experiment scene next time.
In discharge calculation module, the discharge process of test specimen carried out to the content (implementation procedure) that analysis and calculation specifically comprises be:
1) environment temperature, the impact of humidity and change of atmospheric pressure, in experimentation, these factors have a great impact voltage breakdown, and these impacts are introduced at the same time the size that is used for judging voltage breakdown in function.To realize the associated of virtual experimental and field experiment.
2) impact that dissociates and go to dissociate due to space charge, the voltage breakdown in identical test specimen or gap is incomplete same at the numerical value of twice experiment gained of priority, introduces probability distribution theory in analysis and calculation, the difference of twice experimental data before and after realizing.
In discharge calculation module, judge that the whether breakdown content specifically comprising of this electric discharge test specimen (realized
Journey) be:
1) for impacting virtual High-Voltage Experimentation, experimenter, press after trigger button, to excite Visual C++ event, first, from database, find out the voltage breakdown reference value of this test specimen, the voltage that while then more this time triggering, all electric capacity stores and with the difference of reference value, according to electric property and this difference of Environments and the probability distribution that punctures relation of whether the puncturing of discharge time probability distribution, last time test, test specimen, the product of getting between a stochastic variable and this probability distribution value determines whether this discharge process test specimen punctures.
2) for the virtual High-Voltage Experimentation of direct current with exchange virtual High-Voltage Experimentation, when experimenter constantly adjusts pressure regulation dish and heightens voltage, this magnitude of voltage constantly changing will excite Visual C++ event, first from database, recall this breakdown voltage value apart from mapping in this kind of gap, with the magnitude of voltage comparison passing over, consider probability distribution and stochastic variable that environment adds with going free speed simultaneously, determine that this experiment punctures gap at a certain definite magnitude of voltage.
The high voltage Virtual Experiment Platform Based system that method based on above-mentioned realizes, comprises high direct voltage experiment porch, ac high-voltage experiment porch and impulse high voltage experiment porch, and three experiment porchs are separate; High direct voltage experiment porch and ac high-voltage experiment porch carry out the withstand voltage experiment of the He Ban sheet separation, needle plate gap of different distance and opposed polarity, and impulse high voltage experiment porch carries out 50% impulse withstand voltage experiment of high-tension apparatus.
Respectively to high direct voltage experiment porch, ac high-voltage experiment porch and impulse high voltage experiment porch are elaborated below:
1, impulse high voltage Virtual Experiment Platform Based
This experiment porch interface is realized by Flash, and experimental facilities is built with 3D Max, comprising experimental facilities have: 8 grades of impulse voltage generator bodies, measurement high-voltage bleeder, oscillograph, test specimen, charge switch, triggers discharge switch.
The data that impulse high voltage virtual platform is shown by Flash and Visual C++ reciprocation comprise: the High Voltage Impulse Waveform peak value of the charging voltage value of single electric capacity and oscilloscope display in impulse voltage generator.
Impulse high voltage virtual platform design cycle as shown in Figure 3.It is example that the lifting and lowering method of take is tested 50% impulse sparkover voltage test:
1) consult list of references and standard, 50% withstand voltage of the test specimen of this electric pressure that the standard of obtaining is stipulated is as reference value.
2) the test specimen 50% withstand voltage value of stipulating according to standard is soundd out to power up and is pressed onto on charging capacitor, and after triggering, if do not punctured, charge with next time increases certain percentage on this voltage basis
, standard regulation
for 1.5%-3%; As puncture, next time, charging reduced certain percentage on this voltage basis
.
3) repeat aforesaid operations, complete the experiment number of standard regulation.
4) by the computing formula of standard-required, calculate 50% impact flashover voltage of this test specimen.
Preferably, the design has considered in impulse high voltage experimentation, temperature, and the impact on experimental result data of humidity and atmospheric pressure, these impacts are reflected in experimental result by Visual C++ function call database.
Preferably, the impact that the design considers charged particles travel and goes to dissociate on the twice experimental voltage result that be connected, this impact is reflected in experimental result by the form of probability distribution coefficient.
2, high direct voltage Virtual Experiment Platform Based
High direct voltage Virtual Experiment Platform Based interface is realized by Flash, experimental facilities is built with 3D Max, comprising experimental facilities have: pressure regulator, 6 grades of high-voltage D.C. generator bodies, measurement high-voltage bleeder, (just) rod (bearing) plate of Adjustable Range, (bearing) rod (just) plate and plate sheet separation, pressure regulator tap changer.
High direct voltage Virtual Experiment Platform Based carries out the withstand voltage experiment of the Ji Ban sheet separation, needle plate gap of different distance and opposed polarity, in the present invention, high direct voltage virtual experimental can carry out (just) rod (bearing) plate, (bearing) rod (just) plate, plate sheet separation and clearance distance scope are that 0.1m-1.1m is with the experiment of the continuously adjustable multiple combination pattern of every 0.01m step-length.
The data that high direct voltage Virtual Experiment Platform Based Flash and Visual C++ reciprocation show comprise: pressure regulator low-pressure side magnitude of voltage, clearance distance and breakdown voltage value.
This Experiment Platform Design flow process is as Fig. 4.First as requested choice experiment gap kind, is used pressure regulator pressure regulation dish to boost, and boosting mode need comply with the national standard requirements, until puncture pressure regulator back to zero.Preparation is tested next time.
Preferably, the design has considered in high direct voltage experimentation, temperature, and the impact on experimental result data of humidity and atmospheric pressure, these impacts are reflected in experimental result by Visual C++ function call database.
Preferably, the impact that the design considers charged particles travel and goes to dissociate on the twice experimental voltage result that be connected, this impact is reflected in experimental result by the form of probability distribution coefficient.
3, ac high-voltage Virtual Experiment Platform Based
Ac high-voltage Virtual Experiment Platform Based interface is realized by Flash, and experimental facilities is built with 3D Max, comprising experimental facilities have: pressure regulator, 2 grades of ac high voltage generators, measurement high-voltage bleeder, the ball sphere gap of Adjustable Range, rod-plane gap and plate sheet separation, pressure regulator tap changer.
Ac high-voltage Virtual Experiment Platform Based carries out the withstand voltage experiment of different distance and ball sphere gap, rod-plane gap and plate sheet separation, and in the present invention, ac high-voltage virtual experimental can carry out ball sphere gap, rod-plane gap and plate sheet separation and clearance distance scope is that 0.1m-1.1m is with the experiment of the continuously adjustable multiple combination pattern of every 0.01m step-length.
The data that ac high-voltage Virtual Experiment Platform Based Flash and Visual C++ reciprocation show comprise: pressure regulator low-pressure side magnitude of voltage, clearance distance and breakdown voltage value.
This Experiment Platform Design flow process as shown in Figure 5.First as requested choice experiment gap kind, is used pressure regulator pressure regulation dish to boost, and boosting mode need comply with the national standard requirements, until puncture pressure regulator back to zero.Preparation is tested next time.
Preferably, the design has considered in ac high-voltage experimentation, temperature, and the impact on experimental result data of humidity and atmospheric pressure, these impacts are reflected in experimental result by Visual C++ function call database.
Preferably, the impact that the design considers charged particles travel and goes to dissociate on the twice experimental voltage result that be connected, this impact is reflected in experimental result by the form of probability distribution coefficient.
All Virtual Experiment Platform Baseds of the present invention are integrated in a software, and are cured in computing machine, and student can complete experiment in the computing machine of program curing.
All virtual experimental equipment adopts true picture and 3Dmax to complete, and makes equipment truer, helps student to understand various High Voltage Testing Equipments.
During concrete operations, first student listens to the explanation of experimenter to experimental principle, step, equipment, views and emulates experimenter's operating process on experiment porch at the scene; Viewed and emulated after experimentation, student completes remaining experimental procedure on high voltage Virtual Experiment Platform Based.Draw data, complete report.
Claims (4)
1. an implementation method for high voltage Virtual Experiment Platform Based, is characterized in that: comprise the initialization module, charging module, discharge calculation module, the result presentation module that connect successively;
Initialization module, completes reading and arranging of Virtual Experiment Platform Based layout, basic experiment parameter;
Charging module, for impulse voltage generator, completes the operation of boost button, the demonstration of the operation of trigger button and capacitor charging voltage; For high voltage direct current generator and ac high voltage generator, complete pressure regulator boost dish operation and the demonstration of gap both end voltage;
Discharge calculation module, for impulse voltage generator, complete the analysis and calculation of the discharge process of test specimen, the electric property that affects test specimen of dissociating and going to dissociate according to the output voltage waveforms of impulse voltage generator, discharge time probability distribution, space charge, temperature, humidity and atmospheric correction function judge that whether this electric discharge test specimen is breakdown; For high voltage direct current generator and ac high voltage generator, complete the calculating of tested gap and voltage breakdown relation, comprise that discharge time probability distribution, space charge dissociate and go the impact dissociating, the electric property of test specimen, temperature, humidity and atmospheric correction function judge that whether this electric discharge test specimen is breakdown;
Result presentation module, completes impulse voltage generator, high voltage direct current generator and ac high voltage generator three
Plant representing of voltage generator electric discharge result, the result of calculation drawing according to discharge calculation module represents test specimen and punctures or do not puncture, and provides simultaneously and enters the entrance of experiment scene next time.
2. the implementation method of a kind of high voltage Virtual Experiment Platform Based according to claim 1, is characterized in that:
In described discharge calculation module, the discharge process of test specimen carried out to the content that analysis and calculation specifically comprises be:
1) environment temperature, the impact of humidity and change of atmospheric pressure: in experimentation, these factors have a great impact voltage breakdown, and these impacts are introduced at the same time the size that is used for judging voltage breakdown in function, to realize the associated of virtual experimental and field experiment;
2) impact that dissociates and go to dissociate due to space charge, the voltage breakdown in identical test specimen or gap is incomplete same at the numerical value of twice experiment gained of priority, introduces probability distribution theory in analysis and calculation, the difference of twice experimental data before and after realizing.
3. the implementation method of a kind of high voltage Virtual Experiment Platform Based according to claim 1, is characterized in that: in described discharge calculation module, judge that the whether breakdown content specifically comprising of this electric discharge test specimen is:
1) for impulse high voltage experiment porch, experimenter, press after trigger button, first, from the database of this discharge calculation module, find out the voltage breakdown reference value of this test specimen, the voltage that while then more this time triggering, all electric capacity stores and with the difference of reference value, according to electric property and this difference of Environments and the probability distribution that punctures relation of whether the puncturing of discharge time probability distribution, last time test, test specimen, the product of getting between a stochastic variable and this probability distribution value determines whether this discharge process test specimen punctures;
2) for high direct voltage experiment porch and ac high-voltage experiment porch, experimenter constantly adjusts pressure regulation dish and heightens voltage, first from the database of this discharge calculation module, recall this breakdown voltage value apart from mapping in this kind of gap, with the magnitude of voltage comparison passing over, consider probability distribution and stochastic variable that environment adds with going free speed simultaneously, determine that this experiment punctures gap at a definite magnitude of voltage.
4. the high voltage Virtual Experiment Platform Based system realizing based on method claimed in claim 1, is characterized in that: comprise high direct voltage experiment porch, and ac high-voltage experiment porch and impulse high voltage experiment porch, three experiment porchs are separate; High direct voltage experiment porch and ac high-voltage experiment porch carry out the rod-plane gap of different distance and opposed polarity and the withstand voltage experiment of plate sheet separation, and impulse high voltage experiment porch carries out 50% impulse withstand voltage experiment of high-tension apparatus.
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