CN104764910A - Lightning transient impulse current generator - Google Patents
Lightning transient impulse current generator Download PDFInfo
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- CN104764910A CN104764910A CN201410440525.7A CN201410440525A CN104764910A CN 104764910 A CN104764910 A CN 104764910A CN 201410440525 A CN201410440525 A CN 201410440525A CN 104764910 A CN104764910 A CN 104764910A
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Abstract
The invention discloses a lightning transient impulse current generator comprising a high-voltage direct-current charging module and a multi-waveform switching module. The high-voltage direct-current charging module is used for charging the multi-waveform switching module. First capacitors in a first capacitor unit are sequentially connected in series with second capacitors in a second capacitor unit, and are disposed between the two ends of a discharging circuit. Each first capacitor and each second capacitor are respectively composed of an upper capacitor and a lower capacitor which are connected in series. The joints of the upper capacitors and the lower capacitors of the first capacitors in the first capacitor unit are connected in series by a first wire, the joints of the upper capacitors and the lower capacitors of the second capacitors in the second capacitor unit are connected in series by a second wire, and the joints of the lower capacitors in the first capacitor unit and the upper capacitors in the second capacitor unit are connected in series by a third wire. The lightning transient impulse current generator of the invention can generate a variety of waveforms. The harm caused by part of residual voltage of the capacitors is greatly reduced. Operators are prevented from contacting high-voltage components of equipment. The safety of equipment operation is enhanced.
Description
Technical field
The present invention relates to power Input transformation is the technical field that surge power exports, and particularly relates to a kind of thunderbolt great instantaneous current generator.
Background technology
Thunderbolt impulse current generator, mainly in order to check the ability of electrical equipment withstand shock current stabilization, is widely used in Zinc-Oxide Arrester valve block and carries out impulse current test; It forms big current by the instantaneous discharge of energy-storage capacitor, simulation lightning test is carried out to the lightning protection devices such as SPD, voltage dependent resistor (VDR), lightning protection box and device, thus verify whether these devices can meet the big current, the superpotential that cause thunder and lightning and play absorption and inhibiting effect, also can be used to test the antijamming capability in the environment of thunderbolt such as power-supply system, electronic product and verify; This equipment also useful application is analyzed in other scientific researches, the fields such as such as Spark gap.Prior art uses different instruments to produce single waveform respectively, test apparatus investment is larger, use also inconvenient, control white automation degree not high, and Waveform Generator needs the device of control many, relate to each waveform module inter lock problem, adopt traditional Control pattern the National People's Congress can increase control difficulty.
Summary of the invention
The object of the invention is to provide a kind of thunderbolt great instantaneous current generator, this thunderbolt great instantaneous current generator can produce multiple waveforms, improves the utilization factor of device and decrease element, the harm that the portion of residual voltage greatly reducing capacitor brings, avoid operator's contact arrangement high voltage component, strengthen equipment operating security, facilitate and switch between multiple waveforms, reach operator in man-machine interface by arranging the switching that automatically can complete waveform, thus economize labor time, raise labour efficiency.
For achieving the above object, the technical solution used in the present invention is:
A kind of thunderbolt great instantaneous current generator, comprise controller, high voltage direct current charging module, many waveform switchs module, for placing the test board of testing sample, the gap ball for controlling its break-make between many waveform switchs module and test board;
Described controller is for controlling the waveform switch of described high voltage direct current charging module punching electricity and many waveform switchs module;
Described high voltage direct current charging module is used for charging to many waveform switchs module;
Described many waveform switchs module provides dash current to test board;
In described many waveform switchs module, discharge loop comprises the first capacitor unit, the first switches set with the first capacitor unit parallel connection, the second capacitor unit that second capacitor equal with described first number of capacitors composes in parallel, the second switch group in parallel with the second capacitor unit and the wave regulating resistor unit that at least 4 the first capacitors compose in parallel;
In described first capacitor unit the first capacitor successively and in the second capacitor unit the second capacitor to be connected in series and between discharge loop two ends, described first capacitor and the second capacitor are by the upper electric capacity of connecting, lower electric capacity composition, the upper electric capacity of each first capacitor in first capacitor unit, the indirection point of lower electric capacity is by the first wired in series, the upper electric capacity of each second capacitor in second capacitor unit, the indirection point of lower electric capacity is by the second wired in series, in first capacitor unit, each lower electric capacity is connected by privates with the contact of upper electric capacity each in the second capacitor unit, privates is electrically connected with the contact between the first switches set and second switch group,
Described wave regulating resistor unit comprises the first wave regulating resistor group and the second wave regulating resistor group, first wire one end the 3rd switches set is connected with second wire one end, first wave regulating resistor group and be provided with the 4th switches set between described 3rd switches set and the contact of the second wire, is provided with the 5th switches set between the described second capacitor unit other end and the second wave regulating resistor group;
Described first wave regulating resistor group is made up of some resistor coupled in parallel, and described second wave regulating resistor group is made up of some resistor coupled in parallel;
In described first capacitor and the second capacitor, electric capacity all adopts the electric capacity of 20kV32 μ F.
Because technique scheme is used, the present invention compared with prior art has following advantages:
The present invention's great instantaneous current generator that is struck by lightning can produce multiple waveforms, which raises the utilization factor of device and decrease element, the harm that the portion of residual voltage greatly reducing capacitor brings, avoid operator's contact arrangement high voltage component, strengthen equipment operating security, facilitate and switch between multiple waveforms, reach operator in man-machine interface by arranging the switching that automatically can complete waveform, thus economize labor time, raise labour efficiency.
Accompanying drawing explanation
Fig. 1 is that the present invention is struck by lightning great instantaneous current generator architecture schematic diagram;
Fig. 2 is discharge loop structural representation of the present invention.
In above accompanying drawing: 1, test board; 2, discharge loop; 3, gap ball; 4, the first capacitor unit; 41, the first capacitor; 411, upper electric capacity; 412, lower electric capacity; 5, the second capacitor unit; 51, the second capacitor; 6, wave regulating resistor unit; 61, the first wave regulating resistor group; 62, the second wave regulating resistor group; 7, the first wire; 8, the second wire; 9, privates; 10, controller; 11, high voltage direct current charging module; 12, many waveform switchs module.
Embodiment
Below in conjunction with drawings and Examples, the invention will be further described:
Embodiment: a kind of thunderbolt great instantaneous current generator, comprise controller, high voltage direct current charging module, many waveform switchs module, for placing the test board of testing sample, the gap ball for controlling its break-make between many waveform switchs module and test board;
Described controller is for controlling the waveform switch of described high voltage direct current charging module punching electricity and many waveform switchs module;
Described high voltage direct current charging module is used for charging to many waveform switchs module;
Described many waveform switchs module provides dash current to test board;
In described many waveform switchs module, discharge loop comprises the first capacitor unit, the first switches set with the first capacitor unit parallel connection, the second capacitor unit that second capacitor equal with described first number of capacitors composes in parallel, the second switch group in parallel with the second capacitor unit and the wave regulating resistor unit that at least 4 the first capacitors compose in parallel;
In described first capacitor unit 4 first capacitor 41 successively and in the second capacitor unit 5 second capacitor 51 to be connected in series and between discharge loop 2 two ends, described first capacitor 41 and the second capacitor 51 are by the upper electric capacity 411 of connecting, lower electric capacity 412 forms, the upper electric capacity 411 of each first capacitor 41 in first capacitor unit 4, the indirection point of lower electric capacity 412 is connected by the first wire 7, the upper electric capacity 411 of each second capacitor 51 in second capacitor unit 5, the indirection point of lower electric capacity 412 is connected by the second wire 8, in first capacitor unit 4, each lower electric capacity 412 is connected by privates 9 with the contact of upper electric capacity 411 each in the second capacitor unit 5, privates 9 is electrically connected with the first switches set K1, K2 and the contact between second switch group K3, K4,
Described wave regulating resistor unit 6 comprises the first wave regulating resistor group 61 and the second wave regulating resistor group 62, first wire 7 one end the 3rd switches set K5, K6 are connected with second wire 8 one end, first wave regulating resistor group 61 and described 3rd switches set K5, between K6 and the contact of the second wire 8, be provided with the 4th switches set K7, K8, between described second capacitor unit 5 other end and the second wave regulating resistor group 62, be provided with the 5th switches set K9, K10.
Above-mentioned first wave regulating resistor group 61 is made up of some resistor coupled in parallel, and described second wave regulating resistor group 62 is made up of some resistor coupled in parallel.
In above-mentioned first capacitor 41 and the second capacitor 42, electric capacity all adopts the electric capacity of 20kV32 μ F.
The present embodiment thunderbolt great instantaneous current generator specific works process is as follows: in major loop, 10 capacitors, there is 2 electric capacity and capacitor core in every platform capacitor internal, often organize 2, to realize 8/20 discharge loop, 2 (4) capacitors often organized then are needed to connect, then 5 groups are carried out parallel connection, i.e. K switch 1, K2, K3, K4, K5, K6, K7, K8 all opens, K9, K10 two platform switches close, thus form total capacitance 40 μ F, ceiling voltage 80kV, pass through the 8/20 wave regulating resistor cell discharge of R1 ' ~ R15 ', exportable standard 8/20 μ s waveform.To realize 10/350 discharge loop, then need 2 (4) capacitors often organizing all in parallel, 5 groups in parallel, namely K switch 1, K2, K3, K4, K5, K6, K7, K8 all close, K9, K10 two switch opens, now form total capacitance 640 μ F, ceiling voltage 20kV, passes through the 10/350 wave regulating resistor electric discharge of R1 ' ~ R15 ', exportable standard 10/350 μ s waveform
When adopting above-mentioned thunderbolt great instantaneous current generator, which raises the utilization factor of device and decrease element, the harm that the portion of residual voltage greatly reducing capacitor brings, avoid operator's contact arrangement high voltage component, strengthen equipment operating security, facilitate and switch between multiple waveforms, reach operator in man-machine interface by arranging the switching that automatically can complete waveform, thus economize labor time, raise labour efficiency.
Above-described embodiment, only for technical conceive of the present invention and feature are described, its object is to person skilled in the art can be understood content of the present invention and implement according to this, can not limit the scope of the invention with this.All equivalences done according to Spirit Essence of the present invention change or modify, and all should be encompassed within protection scope of the present invention.
Claims (1)
1. be struck by lightning a great instantaneous current generator, comprise controller (10), high voltage direct current charging module (11), many waveform switchs module (12), for place testing sample test board (1), be positioned at the gap ball (3) for controlling its break-make between many waveform switchs module (12) and test board (1);
Described controller (10) is for controlling the waveform switch of described high voltage direct current charging module (11) punching electricity and many waveform switchs module (12);
Described high voltage direct current charging module (11) is for charging to many waveform switchs module (12);
Described many waveform switchs module provides dash current to test board (1);
It is characterized in that: in described many waveform switchs module, discharge loop (2) comprises the first capacitor unit (4) that 5 the first capacitors (41) compose in parallel, first switches set (K1, K2) in parallel with the first capacitor unit (4), second capacitor (51) equal with described first capacitor (41) number compose in parallel the second capacitor unit (5), the second switch group (K3, K4) in parallel with the second capacitor unit (5) and wave regulating resistor unit (6);
In described first capacitor unit (4) the first capacitor (41) successively and in the second capacitor unit (5) the second capacitor (51) be connected in series and be positioned between discharge loop (2) two ends, described first capacitor (41) and the second capacitor (51) are by the upper electric capacity (411) of connecting, lower electric capacity (412) composition, the upper electric capacity (411) of each first capacitor (41) in first capacitor unit (4), the indirection point of lower electric capacity (412) is by the first wire (7) series connection, the upper electric capacity (411) of each second capacitor (51) in second capacitor unit (5), the indirection point of lower electric capacity (412) is by the second wire (8) series connection, in first capacitor unit (4), each lower electric capacity (412) is connected by privates (9) with the contact of upper electric capacity (411) each in the second capacitor unit (5), privates (9) is electrically connected with the contact between the first switches set (K1, K2) and second switch group (K3, K4),
Described wave regulating resistor unit (6) comprises the first wave regulating resistor group (61) and the second wave regulating resistor group (62), first wire (7) one end the 3rd switches set (K5, K6) is connected with the second wire (8) one end, first wave regulating resistor group (61) and be provided with the 4th switches set (K7, K8) between described 3rd switches set (K5, K6) and the contact of the second wire (8), is provided with the 5th switches set (K9, K10) between described second capacitor unit (5) other end and the second wave regulating resistor group (62);
Described first wave regulating resistor group (61) is made up of some resistor coupled in parallel, and described second wave regulating resistor group (62) is made up of some resistor coupled in parallel;
Described first capacitor (41) and the middle electric capacity of the second capacitor (42) all adopt the electric capacity of 20kV32 μ F.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410440525.7A CN104764910B (en) | 2012-07-27 | 2012-07-27 | Be struck by lightning great instantaneous current generator |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210264283.1A CN102868314B (en) | 2012-07-27 | 2012-07-27 | Multi-waveform impact current generator |
| CN201410440525.7A CN104764910B (en) | 2012-07-27 | 2012-07-27 | Be struck by lightning great instantaneous current generator |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210264283.1A Division CN102868314B (en) | 2012-07-27 | 2012-07-27 | Multi-waveform impact current generator |
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| Publication Number | Publication Date |
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| CN104764910A true CN104764910A (en) | 2015-07-08 |
| CN104764910B CN104764910B (en) | 2018-03-20 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201210264283.1A Active CN102868314B (en) | 2012-07-27 | 2012-07-27 | Multi-waveform impact current generator |
| CN201410440525.7A Active CN104764910B (en) | 2012-07-27 | 2012-07-27 | Be struck by lightning great instantaneous current generator |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201210264283.1A Active CN102868314B (en) | 2012-07-27 | 2012-07-27 | Multi-waveform impact current generator |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105044578A (en) * | 2015-09-08 | 2015-11-11 | 苏州泰思特电子科技有限公司 | Lightning current surge test bench |
| CN105044413A (en) * | 2015-09-08 | 2015-11-11 | 苏州泰思特电子科技有限公司 | Long-tail wave impulse current generation device |
| CN105137885A (en) * | 2015-09-17 | 2015-12-09 | 西安交通大学 | Control system and control method of multi-switch and multi-loop cooperative work |
| CN110018335A (en) * | 2019-05-10 | 2019-07-16 | 苏州峰极电磁科技有限公司 | A kind of more waveform thunder and lightning generators |
| CN111521848A (en) * | 2020-04-20 | 2020-08-11 | 西安电子科技大学 | Multi-pulse continuous output transient induction test system |
| CN115549651A (en) * | 2022-11-26 | 2022-12-30 | 昆明理工大学 | Impulse current generator for simulating multiple lightning strokes |
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| JPH06281683A (en) * | 1993-03-25 | 1994-10-07 | Ngk Insulators Ltd | Generating device for impulse voltage or impulse current |
| CN201130913Y (en) * | 2007-12-26 | 2008-10-08 | 国网武汉高压研究院 | Long wave front operation impulse voltage generator |
| CN201238269Y (en) * | 2008-03-10 | 2009-05-13 | 中国电力科学研究院 | Impulse voltage generator |
| CN101750575A (en) * | 2008-12-22 | 2010-06-23 | 贵州永跃科技有限责任公司 | Lightening strike simulating table |
| CN201854203U (en) * | 2009-12-08 | 2011-06-01 | 国网电力科学研究院 | Multi-waveform striking current generator |
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| JP3413559B2 (en) * | 1994-07-08 | 2003-06-03 | 株式会社指月電機製作所 | Shock voltage generator |
| JPH08149857A (en) * | 1994-11-18 | 1996-06-07 | Nichicon Corp | Multistage impulse voltage generator equipped with series-parallel changeover contact |
| DE102004001782A1 (en) * | 2004-01-12 | 2005-08-11 | Martin Kern | Bipolar Marx generators with a switching turret for industrial gas processing uses directly triggered impulse generators |
| CN101629981B (en) * | 2009-05-19 | 2011-09-14 | 武汉大学 | Modularized multiple wave forms impact generator test device |
| CN101728969B (en) * | 2009-12-08 | 2011-11-30 | 国网电力科学研究院 | Multi-waveform impulse current generator |
| CN202794257U (en) * | 2012-07-27 | 2013-03-13 | 苏州泰思特电子科技有限公司 | Multi-waveform impulse current generator |
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| JPH06281683A (en) * | 1993-03-25 | 1994-10-07 | Ngk Insulators Ltd | Generating device for impulse voltage or impulse current |
| CN201130913Y (en) * | 2007-12-26 | 2008-10-08 | 国网武汉高压研究院 | Long wave front operation impulse voltage generator |
| CN201238269Y (en) * | 2008-03-10 | 2009-05-13 | 中国电力科学研究院 | Impulse voltage generator |
| CN101750575A (en) * | 2008-12-22 | 2010-06-23 | 贵州永跃科技有限责任公司 | Lightening strike simulating table |
| CN201854203U (en) * | 2009-12-08 | 2011-06-01 | 国网电力科学研究院 | Multi-waveform striking current generator |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105044578A (en) * | 2015-09-08 | 2015-11-11 | 苏州泰思特电子科技有限公司 | Lightning current surge test bench |
| CN105044413A (en) * | 2015-09-08 | 2015-11-11 | 苏州泰思特电子科技有限公司 | Long-tail wave impulse current generation device |
| CN105044413B (en) * | 2015-09-08 | 2018-06-12 | 苏州泰思特电子科技有限公司 | Long-tail wave impact current generating apparatus |
| CN105137885A (en) * | 2015-09-17 | 2015-12-09 | 西安交通大学 | Control system and control method of multi-switch and multi-loop cooperative work |
| CN110018335A (en) * | 2019-05-10 | 2019-07-16 | 苏州峰极电磁科技有限公司 | A kind of more waveform thunder and lightning generators |
| CN111521848A (en) * | 2020-04-20 | 2020-08-11 | 西安电子科技大学 | Multi-pulse continuous output transient induction test system |
| CN115549651A (en) * | 2022-11-26 | 2022-12-30 | 昆明理工大学 | Impulse current generator for simulating multiple lightning strokes |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102868314A (en) | 2013-01-09 |
| CN104764910B (en) | 2018-03-20 |
| CN102868314B (en) | 2014-12-10 |
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