CN103076472A - Implementation method for small-scale full-wave direct lightning generator - Google Patents
Implementation method for small-scale full-wave direct lightning generator Download PDFInfo
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- CN103076472A CN103076472A CN2013100417674A CN201310041767A CN103076472A CN 103076472 A CN103076472 A CN 103076472A CN 2013100417674 A CN2013100417674 A CN 2013100417674A CN 201310041767 A CN201310041767 A CN 201310041767A CN 103076472 A CN103076472 A CN 103076472A
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Abstract
The invention discloses an implementation method for a small-scale full-wave direct lightning generator, which includes the following steps: step 1: implementing the lightning wave parameters of each component; and step 2: adopting the high voltage isolation technology, the high current transmission technology and multi-device synchronous trigger to implement full wave. The small-scale full-wave direct lightning generator implemented by the implementation method can simulate real natural lightning, and can be applied in the fields of optical fiber composite overhead ground wires, lightning protection on planes, wind power generation, petrochemical lightning protection and the like to promote the development of the lightning protection technology.
Description
Technical field
The present invention particularly relates to a kind of implementation method of small scale Full wave shape direct lightning strike generation about a kind of implementation method of direct lightning strike generation.
Background technology
At present, the domestic impulse current waveform of single simulation thunder and lightning that generally adopts is tested lightning-protected product and lightning protection system.The standard such as IEC61312 and IEEE then advises adopting A, B, C and four sections waveforms of D to test to direct lightning strike.Because thermal effect, stress effect and the galvanomagnetic effect difference of lightning impulse current are very big between single test waveform and a plurality of test waveform, can not mention in the same breath between the two.Therefore, the backwardness of the generator technology of simulation direct lightning strike has affected the execution of the association area standards such as aircraft lightning protection, wind-power electricity generation, causes system's unreliability factors to increase.
The research institution of domestic research impact device and producer mainly contain Shanghai Communications University high-voltage testing equipment research centre, Xi'an Communications University, Wuhan University, Changzhou company of Strong Jet etc.These producers mainly can produce impulse current generator equipment and impulse voltage generator equipment etc., and impulse current generator comprises following waveform: 8/20 μ s, 10/350 μ s, 10/700 μ s, 10/1000 μ s etc.; Impulse voltage generator comprises following waveform: 1.2/50 μ s, square-wave generator etc.The waveform that these equipment produce mainly is based on monopulse.The foreign study impact device mainly contains Switzerland HAEFELY company, the 200kA8/20 μ s﹠amp that the said firm produces; The dash current equipment of 110kA10/350 μ s maintains the leading position in the single pulse waveforms field.
Yet the single pulse waveforms that has at present (for example 8/20 μ s or 10/350 μ s) can not reflect fully that product launch as surprise attack barrier propterty in the situation in nature lightning.The data that domestic and international research institution observes show that the lightning strike process is to be continuous impulse to impact form.At home, building the lightning strike that the Chinese open-air lightning test field in Huaihua county, Guangdong Province is recorded in has 8 continuous impulse ripples, also once observes the report that once thunderbolt has more than 20 pulse in the U.S., Germany and Switzerland.Therefore, for real simulating nature thunder and lightning, need development small scale Full wave shape direct lightning strike generation.
Summary of the invention
For overcoming above-mentioned the deficiencies in the prior art, the present invention's purpose is to provide a kind of implementation method of small scale Full wave shape direct lightning strike generation, it can nature lightning that is virtually reality like reality, and be applied to the fields such as power Optical Fiber composite overhead Ground Wire, aircraft lightning protection, wind-power electricity generation and petrochemical industry lightning protection, promote the technical development of lightning protection.
For reaching above-mentioned and other purpose, the present invention proposes a kind of implementation method of small scale Full wave shape direct lightning strike generation, comprises the steps:
Step 1 realizes each component lightning wave shape parameter;
Step 2 adopts high-voltage isolating technology, large current delivery technology and many device synchronization to trigger and realizes Full wave shape.
Further, the A of this lightning wave shape parameter and D current weight are realized with improved Crowbar loop.
Further, the B current weight of this lightning wave shape parameter adopts L-C square wave generating loop to realize.
Further, the C current weight of this lightning wave shape parameter adopts the battery energy storage technology to realize.
Compared with prior art, the implementation method of a kind of small scale Full wave shape of the present invention direct lightning strike generation realizes A and D current weight, adopts the long loop high-voltage cable discharge of electric capacity one inductance lumped parameter simulation to realize that B current weight, employing battery energy storage technology realize the C current weight by the improved Crowbar of employing loop, and adopts the voltage isolation technology that hits new peak, large current delivery technology and many device synchronization to trigger and realized Full wave shape direct lightning strike generation.
Description of drawings
Fig. 1 is the flow chart of steps of the implementation method of a kind of small scale Full wave shape of the present invention direct lightning strike generation;
Fig. 2 is the Full wave shape thunder and lightning waveform of simulation direct lightning strike in the preferred embodiment of the present invention;
Fig. 3 is A+C waveform synoptic diagram in the preferred embodiment of the present invention.
Embodiment
Below by specific instantiation and accompanying drawings embodiments of the present invention, those skilled in the art can understand other advantage of the present invention and effect easily by content disclosed in the present specification.The present invention also can be implemented or be used by other different instantiation, and the every details in this instructions also can be based on different viewpoints and application, carries out various modifications and change under the spirit of the present invention not deviating from.
Fig. 1 is the flow chart of steps of the implementation method of a kind of small scale Full wave shape of the present invention direct lightning strike generation.As shown in Figure 1, the implementation method of a kind of small scale Full wave shape of the present invention direct lightning strike generation comprises the steps:
For the present invention's small scale Full wave shape direct lightning strike generation, this equipment the key technical indexes has: the A component: pulse width＞500 μ s, peak value 2kA～20kA; B component: pulse width＞5000 μ s, peak value 200A～2kA; C component: pulse width＞1s, peak value 20A～80A; D component: pulse width＞500 μ s, peak value 1kA～10kA.Be the waveform segments definition such as following table 1:
| Waveform | Title | Peak value (Peak amplitude) | Duration (Time duration) |
| A | First thunderbolt (Initial current) | 20kA±10％ | ＜500μs |
| B | Intermediate current (Intermediate current) | 0.2kA±10％ | ≤5x10 -3s |
| C | Persistent current (Continuing current) | 20～80A | 0.25s≤T≤1s |
| D | Fight back (Restrike) | 10kA±10％ | ＜500μs |
The definition of table 1 waveform segments
In preferred embodiment of the present invention, A and D current weight can be realized with improved Crowbar loop, the B current weight adopts L-C square wave generating loop to realize, specifically, adopt electric capacity-long loop high-voltage cable discharge of inductance lumped parameter simulation, realize the B current weight, the C current weight adopts the battery energy storage technology to realize.
In preferred embodiment of the present invention, adopt innovation high-voltage isolating and large current delivery technology, finish the development of small scale Full wave shape thunder and lightning generation.The equipment the key technical indexes has: the A component: pulse width＞500 μ s, peak value 2kA～20kA; B component: pulse width＞5000 μ s, peak value 200A～2kA; C component: pulse width＞1s, peak value 20A～80A; D component: pulse width＞500 μ s, peak value 1kA～10kA.Set of equipments can by computing machine and software centralized control, adopt datumization measuring technique image data, record and analysis waveform.Fig. 2 is the Full wave shape thunder and lightning waveform of simulation direct lightning strike in the preferred embodiment of the present invention, and Fig. 3 is A+C waveform synoptic diagram in the preferred embodiment of the present invention.
In sum, the implementation method of a kind of small scale Full wave shape of the present invention direct lightning strike generation is passed through to adopt improved Crowbar loop to realize A and D current weight, adopts electric capacity-the long loop high-voltage cable discharge realization of inductance lumped parameter simulation B current weight, is adopted the battery energy storage technology to realize the C current weight, and adopts the voltage isolation technology that hits new peak, large current delivery technology and the triggering of many device synchronization to realize Full wave shape direct lightning strike generation.The small scale Full wave shape direct lightning strike generation that the present invention realizes can be used for following research field: 1) explore the thunder and lightning origin cause of formation and evolution: increase different thunder and lightning ambient fields, simulation lightning physics process; 2) physical model of thunder and lightning is launch aed surprise attack in research more; 3) research is launch aed surprise attack lightning stroke process to multiple effects such as the galvanomagnetic effect of electronic product, stress effect, thermal effect more; 4) research lightning protection product is to the protection effect of Full wave shape thunder and lightning; 5) research Novel Lightning Protection Product and technology; 6) according to existing standard thunderstorm electricity protective device is tested; 7) Lightning Disaster genetic analysis and simulation.
Above-described embodiment is illustrative principle of the present invention and effect thereof only, but not is used for restriction the present invention.Any those skilled in the art all can be under spirit of the present invention and category, and above-described embodiment is modified and changed.Therefore, the scope of the present invention should be listed such as claims.
Claims (4)
1. the implementation method of a small scale Full wave shape direct lightning strike generation comprises the steps:
Step 1 realizes each component lightning wave shape parameter;
Step 2 adopts high-voltage isolating technology, large current delivery technology and many device synchronization to trigger and realizes Full wave shape.
2. the implementation method of a kind of small scale Full wave shape direct lightning strike generation as claimed in claim 1, it is characterized in that: the A of this lightning wave shape parameter and D current weight are realized with improved Crowbar loop.
3. the implementation method of a kind of small scale Full wave shape direct lightning strike generation as claimed in claim 1 is characterized in that: the B current weight employing L-C square wave generating loop realization of this lightning wave shape parameter.
4. the implementation method of a kind of small scale Full wave shape direct lightning strike generation as claimed in claim 1 is characterized in that: the C current weight employing battery energy storage technology realization of this lightning wave shape parameter.
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105403778A (en) * | 2015-09-17 | 2016-03-16 | 西安交通大学 | Measuring method and system of multi-loop sequential work |
| CN105572436A (en) * | 2014-10-21 | 2016-05-11 | 黑龙江省防雷中心 | 20-pulse multi-waveform impact generator |
| CN107315136A (en) * | 2017-07-06 | 2017-11-03 | 中国航空工业集团公司西安飞机设计研究所 | A kind of aircraft thunder and lightning transient current is distributed test method |
| WO2023216398A1 (en) * | 2022-05-12 | 2023-11-16 | 苏州泰思特电子科技有限公司 | Lightning effect test waveform splicing method and system |
| CN117554770A (en) * | 2024-01-11 | 2024-02-13 | 中国电力科学研究院有限公司 | Power electronic lightning pulse waveform generation method, system and storage medium |
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| CN102162829A (en) * | 2011-03-18 | 2011-08-24 | 武汉大学 | Experimental device for multiple lightning current return strokes of surge protection device (SPD) |
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| CN102162829A (en) * | 2011-03-18 | 2011-08-24 | 武汉大学 | Experimental device for multiple lightning current return strokes of surge protection device (SPD) |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105572436A (en) * | 2014-10-21 | 2016-05-11 | 黑龙江省防雷中心 | 20-pulse multi-waveform impact generator |
| CN105572436B (en) * | 2014-10-21 | 2019-06-11 | 黑龙江省防雷中心 | A kind of more wave forms impact generators of 20 pulses |
| CN105403778A (en) * | 2015-09-17 | 2016-03-16 | 西安交通大学 | Measuring method and system of multi-loop sequential work |
| CN107315136A (en) * | 2017-07-06 | 2017-11-03 | 中国航空工业集团公司西安飞机设计研究所 | A kind of aircraft thunder and lightning transient current is distributed test method |
| WO2023216398A1 (en) * | 2022-05-12 | 2023-11-16 | 苏州泰思特电子科技有限公司 | Lightning effect test waveform splicing method and system |
| CN117554770A (en) * | 2024-01-11 | 2024-02-13 | 中国电力科学研究院有限公司 | Power electronic lightning pulse waveform generation method, system and storage medium |
| CN117554770B (en) * | 2024-01-11 | 2024-04-02 | 中国电力科学研究院有限公司 | Power electronic lightning pulse waveform generation method, system and storage medium |
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Application publication date: 20130501 |