CN102162829B - Experimental device for multiple lightning current return strokes of surge protection device (SPD) - Google Patents
Experimental device for multiple lightning current return strokes of surge protection device (SPD) Download PDFInfo
- Publication number
- CN102162829B CN102162829B CN 201110065950 CN201110065950A CN102162829B CN 102162829 B CN102162829 B CN 102162829B CN 201110065950 CN201110065950 CN 201110065950 CN 201110065950 A CN201110065950 A CN 201110065950A CN 102162829 B CN102162829 B CN 102162829B
- Authority
- CN
- China
- Prior art keywords
- repeatedly
- loop
- circuit
- lightning
- voltage charging
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 238000012360 testing method Methods 0.000 claims abstract description 38
- 238000007600 charging Methods 0.000 claims abstract description 34
- 230000001012 protector Effects 0.000 claims abstract description 26
- 239000013307 optical fiber Substances 0.000 claims abstract description 12
- 238000002955 isolation Methods 0.000 claims abstract description 5
- 238000010304 firing Methods 0.000 claims description 10
- 239000003990 capacitor Substances 0.000 claims description 9
- 239000000835 fiber Substances 0.000 claims description 4
- 238000006243 chemical reaction Methods 0.000 claims description 3
- 230000001105 regulatory effect Effects 0.000 claims description 3
- 239000000463 material Substances 0.000 abstract description 8
- 230000000694 effects Effects 0.000 abstract description 6
- 238000007599 discharging Methods 0.000 abstract description 2
- 230000000638 stimulation Effects 0.000 abstract 1
- APTZNLHMIGJTEW-UHFFFAOYSA-N pyraflufen-ethyl Chemical compound C1=C(Cl)C(OCC(=O)OCC)=CC(C=2C(=C(OC(F)F)N(C)N=2)Cl)=C1F APTZNLHMIGJTEW-UHFFFAOYSA-N 0.000 description 5
- 238000002474 experimental method Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 238000004088 simulation Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 230000001276 controlling effect Effects 0.000 description 2
- 230000003111 delayed effect Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000004065 semiconductor Substances 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 1
- 230000001186 cumulative effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000004870 electrical engineering Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
Images
Landscapes
- Testing Relating To Insulation (AREA)
- Testing Electric Properties And Detecting Electric Faults (AREA)
Abstract
The invention discloses an experimental device for multiple lightning current return strokes of a surge protection device (SPD). The experimental device comprises an optical fiber isolation intelligent impact control circuit, a single-power multi-feed high voltage charging circuit, a multi-pulse time sequence ignition circuit and a multiple return stroke discharging main circuit; and the experimental device is used for simulating the working condition and effect of multiple lightning current return strokes under natural lightning conditions. The experimental device can perform 1-8 times of 8/20 microseconds and other waved shaped lightning return stroke sequential tests for a single-path SPD, an arrester, a lightning protector, grounding materials and the like, wherein the return stroke times is selectable from 1 to 10; the time interval of the return stoke current is adjustable from 1-100 microseconds to 1-500 milliseconds; equal or non-equal test series for the return stoke current amplitudes each time are adjustable; the experimental device can be used for testing at most ten SPDs, arresters, lightning protectors, grounding materials and the like synchronously; and new measures are supplied to the working condition stimulations and effect tests of multiple lightning current return strokes.
Description
Technical field
The invention belongs to the electrical engineering technical field, particularly a kind of surge protector is carried out the test unit that lightning current is repeatedly fought back test.
Background technology
The thunderbolt lightning of occurring in nature is meant the Lightning Process of one whole, and its duration is that the hundreds of millisecond did not wait to 1 second.Lightning comprises once or heavy current pulse process several times that each heavy current pulse process is called launch as surprise attack, and the strength of current of at every turn launch aing surprise attack is different; Be generally launch a surprise attack first bigger; Or launch a surprise attack greatlyyer with last first, perhaps last is launch aed surprise attack greatlyyer, is generally a few tens of milliseconds the interval time between launch aing surprise attack between the hundreds of millisecond; For the flicker that occurring in nature thunderbolt lightning is appeared in human eye, be to cause by launch aing surprise attack several times.
Surge protector is used for the damage that electrical and electronic products such as safeguard industries process measurement and control device avoid lightning surge; The lightning surge test is necessity test of investigating and checking surge protector protection level and performance; Present test method only can be carried out the simulation of lightning current single test with device; Repeatedly revision test because of the time of discharging and recharging more than tens seconds; And can't simulate and examine microsecond repeatedly to fight back the accumulation of dynamo-electric effect and thermal effect to the lightning current in millisecond time interval, and the simulation of this type effect test and test are very important for the examination of product such as surge protector, arrester, lightning arrester, earthing material and device performance.For example find in the actual motion through tens surge protectors to hundreds of kilo-ampere lightning current single test; Under natural thunderbolt situation; Some smaller lightning currents can both cause the damage of surge protector, and this is because nature lightning often comprises repeatedly fights back, and the interval time between each the counterattack is shorter; Be generally tens delicate arriving between the hundreds of millisecond, the cumulative effect of repeatedly fighting back causes the damage of surge protector.
For the thunderbolt situation under the real simulation natural conditions with examine the performance of surge protector better, we have invented a cover and have been used for the test unit that lightning current is repeatedly fought back.
Summary of the invention
The object of the invention is exactly the deficiency to the above-mentioned background technology, provides a kind of surge protector lightning current repeatedly to fight back examination
Experiment device.
Technical scheme of the present invention is: a kind of surge protector lightning current is repeatedly fought back test unit, by optical fiber isolated intelligent impact control loop respectively with single supply feed out more high-voltage charging loop, multiple-pulse sequential ignition circuit and repeatedly the back discharge major loop institute that is connected constitute;
Touch-screen type man machine operation interface, analog-to-digital conversion module, optic fiber converter that described optical fiber isolated intelligent impact control loop comprises programmable logic controller (PLC) PLC and is interconnected with it are isolated optical fiber; Optic fiber converter links to each other with isolation optical fiber;
Described single supply feeds out the high-voltage charging loop more and comprises thyristor control module, transformer, the polar switching module of cascade successively and feed out the high-voltage charging switch more;
Described multiple-pulse sequential ignition circuit is by single-chip microcomputer time control circuit, multiple-pulse sequential trigger circuit and the multiple-pulse sequential firing circuit of cascade successively;
Described repeatedly back discharge major loop comprises organizes independently main discharge circuit more, is connected with main capacitor, harmonic inductance, wave regulating resistor, discharge frame and test product case on the main discharge circuit;
Described single supply feeds out high-voltage charging loop and multiple-pulse sequential ignition circuit more and links with back discharge major loop repeatedly respectively.
Have as preferred version of the present invention:
1, described single supply feeds out on the former and deputy limit of the transformer of high pressure on the electric loop more and all is connected with current-limiting resistance.
2, described single supply feed out more high pressure on the electric loop feed out that the high-voltage charging switch adopts that fast linear electric motor drives more feed out the high-voltage charging switch more.
3, described single supply feeds out high pressure more and is connected with 10 in the electric loop and feeds out the high-voltage charging switch.And with it accordingly: be connected with 10 group pulse sequential ignition circuits in the described multiple-pulse sequential ignition circuit, be connected with 10 groups of independently main discharge circuits in the described repeatedly back discharge major loop.
The present invention is in practice:
Single supply feeds out that the high-voltage charging loop adopts that fast linear electric motor drives more feeds out the high-voltage charging switch more; Feed out the high-voltage charging switch during charging with single channel power supply and 10 groups of repeatedly back discharge major loop main capacitor connections more, carry out group repeatedly back discharge major loop main capacitor charging of 0-200kV single channel DC high-voltage power supply to 1-10; After charging finishes, with the high-voltage charging switch with the single channel power supply with 10 groups repeatedly back discharge major loop main capacitor break off, realize 10 groups of major loops each other and and the single channel DC high-voltage power supply between the high pressure isolation.
Multiple-pulse sequential ignition circuit is made up of single-chip microcomputer time control circuit, multiple-pulse sequential trigger circuit, multiple-pulse sequential firing circuit; The single-chip microcomputer time control circuit adopts the Single-chip Controlling time series; The fast-response semiconductor devices realizes not having the switching value output of time-delay; Realize that the trigger pulse time interval is from adjustable between 1 μ s-100 μ s, the 1ms-500ms; Time precision is respectively ± 1 μ s and ± 1ms, and multiple-pulse sequential trigger circuit can provide 10 the tunnel simultaneously, 200-300V does not have the delayed firing drive signal; Multiple-pulse sequential firing circuit can provide more than ten kilovolts ignition voltage to trigger each repeatedly conducting in back discharge major loop ball discharge crack.
Repeatedly the back discharge major loop by 10 groups independently main discharge circuit constitute; Each major loop has independently the RLC loop element realize independently amplitude and waveform adjustment; Each major loop has independently discharge frame and test product case; Through 1-10 group high pressure output-parallels, can fight back test to the lightning current that 1 road surge protector, arrester, lightning arrester, earthing material etc. carry out 1-10 times, 8/20 μ s or other waveform, it is optional to fight back electric current number of times 1-10 time; Also can be respectively carry out the lightning current test that single 8/20 μ s obtains other waveform to 10 surge protectors, different sequences or test model following interpulse period, lightning current amplitude sequence, to fight back number of times adjustable.
But the thunderbolt situation under the present invention's real simulation natural conditions and examine the performance of surge protector better; Can carry out 1-10 times, 8/20 μ s and other waveform lightning current is fought back sequential test to 1 road surge protector, arrester, lightning arrester, earthing material etc.; It is optional to fight back electric current number of times 1-10 time; Fight back between electric current the time interval from adjustable between 1 μ s-100 μ s, the 1ms-500ms, it is adjustable to fight back current amplitude each time constant amplitude or non-constant amplitude experimental series.Also can make an experiment simultaneously to maximum 10 surge protectors, arrester, lightning arrester, earthing material etc.Be not merely Work condition analogue and the effect test that surge protector repeatedly fights back at lightning current new effective means is provided, and be applicable to the similar test of arrester, lightning arrester, earthing material, have higher test efficiency and testing equivalence.
Description of drawings:
Fig. 1 is the global design figure of device.
Fig. 2 is the wiring diagram that single supply feeds out the high-voltage charging loop more.
Fig. 3 is the firing circuit schematic diagram, wherein:
(a) single-chip microcomputer time control circuit, (b) multiple-pulse sequential trigger circuit, (c) multiple-pulse sequential firing circuit.
Fig. 4 is several kinds of model experiment waveform synoptic diagram.
Embodiment
Below in conjunction with the accompanying drawing illustrated embodiment the present invention is further described:
Optical fiber isolated intelligent impact control loop adopts the precision maneuver of each device of programmable logic controller (PLC) PLC control and the interlocking between each module, and man-machine interface adopts touch-screen to carry out visualized operation, and is simple to operate, and operation interface is friendly.Analog-to-digital conversion module is sent some demonstration amounts (voltage, electric current etc.) back to programmable logic controller (PLC) PLC and is supplied screen displaying and protection action to judge (like overvoltage protection, overcurrent protection etc.); Realize isolation electric between control system and the body through optical fiber converter and optical fiber, control system is reliable and stable.
Charge circuit is controlled the steady rising of step-up transformer voltage through control thyristor control module; Realize the switching of charging polarity through the charging polarity switch; The current-limiting resistance of the former secondary of transformer help reducing whole loop charging current, reduce the capacity of transformer, practice thrift cost.
Single supply feeds out that high-voltage charging loop (2) adopts that fast linear electric motor drives more feeds out the high-voltage charging switch more; Feed out the high-voltage charging switch during charging with single channel power supply and 10 groups of repeatedly back discharge major loop main capacitor connections more, carry out group repeatedly back discharge major loop main capacitor charging of 0-200kV single channel DC high-voltage power supply to 1-10; After charging finishes; With the high-voltage charging switch with single channel power supply and 10 groups repeatedly back discharge major loop main capacitor break off, realize 10 groups of major loops each other and and the single channel DC high-voltage power supply between high pressure isolate, reach and the multichannel major loop is carried out parallel connection charge simultaneously; The high-voltage charging switch quick acting of charged back; Each major loop becomes and works alone, and has practiced thrift cost like this, has reduced floor area.
Multiple-pulse sequential ignition circuit (3) is made up of single-chip microcomputer time control circuit, multiple-pulse sequential trigger circuit, multiple-pulse sequential firing circuit; The single-chip microcomputer time control circuit adopts the Single-chip Controlling time series; The fast-response semiconductor devices realizes not having the switching value output of time-delay; Realize that the trigger pulse time interval is from adjustable between 1 μ s-100 μ s, the 1ms-500ms; Time precision is respectively ± 1 μ s and ± 1ms, and multiple-pulse sequential trigger circuit can provide 10 the tunnel simultaneously, 200-300V does not have the delayed firing drive signal; Multiple-pulse sequential firing circuit can provide more than ten kilovolts ignition voltage to trigger each repeatedly conducting in back discharge major loop ball discharge crack.
Repeatedly back discharge major loop (4) by 10 groups independently main discharge circuit constitute; Each major loop has that independently main capacitor, harmonic inductance, wave regulating resistor loop element are realized independently amplitude and waveform adjustment; 4-40kA, 8/20 μ s lightning current can be exported in each loop; Each major loop has independently discharge frame and test product case; Through 1-10 group high pressure output-parallels, can fight back test to the lightning current that 1 road surge protector, arrester, lightning arrester, earthing material etc. carry out 1-10 times, 8/20 μ s or other waveform, it is optional to fight back electric current number of times 1-10 time; Also can be respectively carry out the lightning current test of single 8/20 μ s or other waveform to 10 surge protectors, different sequences or test model following interpulse period, lightning current amplitude sequence, to fight back number of times adjustable.Can accomplish through this major loop and to fight back the experimental series that current amplitude is constant amplitude 4-40kA for 10 times, first 80kA, other 1-8 time each time constant amplitude experimental series of dividing equally electric current; 80kA, last 80 kA, other 1-6 time each time constant amplitude experimental series of dividing equally electric current first, maximum can be carried out two groups of 200kA tests, also can make an experiment simultaneously to maximum 10 surge protectors, has improved test efficiency and testing equivalence greatly.
Claims (4)
1. a surge protector lightning current is repeatedly fought back test unit, it is characterized in that:
By optical fiber isolated intelligent impact control loop respectively with single supply feed out more high-voltage charging loop, multiple-pulse sequential ignition circuit and repeatedly the back discharge major loop institute that is connected constitute, wherein:
Touch-screen type man machine operation interface, analog-to-digital conversion module, optic fiber converter that described optical fiber isolated intelligent impact control loop comprises programmable logic controller (PLC) PLC and is interconnected with it are isolated optical fiber; Optic fiber converter links to each other with isolation optical fiber;
Described single supply feeds out the high-voltage charging loop more and comprises thyristor control module, transformer, the polar switching module of cascade successively and feed out the high-voltage charging switch more;
Described multiple-pulse sequential ignition circuit is made up of single-chip microcomputer time control circuit, multiple-pulse sequential trigger circuit and the multiple-pulse sequential firing circuit of cascade successively;
Described repeatedly back discharge major loop comprises organizes independently main discharge circuit more, is connected with main capacitor, harmonic inductance, wave regulating resistor, discharge frame and test product case on the main discharge circuit;
Described single supply feeds out high-voltage charging loop and multiple-pulse sequential ignition circuit more and links with back discharge major loop repeatedly respectively.
2. a kind of surge protector lightning current according to claim 1 is repeatedly fought back test unit, it is characterized in that:
Described single supply feeds out on the former and deputy limit of the transformer of high pressure on the electric loop more and all is connected with current-limiting resistance.
3. a kind of surge protector lightning current according to claim 1 and 2 is repeatedly fought back test unit, it is characterized in that:
Described single supply feed out more high pressure on the electric loop feed out that the high-voltage charging switch adopts that fast linear electric motor drives more feed out the high-voltage charging switch more.
4. a kind of surge protector lightning current according to claim 1 and 2 is repeatedly fought back test unit, it is characterized in that:
Described single supply feeds out high pressure more and is connected with 10 in the electric loop and feeds out the high-voltage charging switch;
Be connected with 10 group pulse sequential ignition circuits in the described multiple-pulse sequential ignition circuit;
Be connected with 10 groups of independently main discharge circuits in the described repeatedly back discharge major loop.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110065950 CN102162829B (en) | 2011-03-18 | 2011-03-18 | Experimental device for multiple lightning current return strokes of surge protection device (SPD) |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110065950 CN102162829B (en) | 2011-03-18 | 2011-03-18 | Experimental device for multiple lightning current return strokes of surge protection device (SPD) |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102162829A CN102162829A (en) | 2011-08-24 |
| CN102162829B true CN102162829B (en) | 2012-12-26 |
Family
ID=44464161
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201110065950 Expired - Fee Related CN102162829B (en) | 2011-03-18 | 2011-03-18 | Experimental device for multiple lightning current return strokes of surge protection device (SPD) |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102162829B (en) |
Families Citing this family (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102890182B (en) * | 2012-10-24 | 2015-02-25 | 北京元六鸿远电子技术有限公司 | Impact current testing method |
| CN103048570B (en) * | 2012-12-25 | 2015-01-28 | 武汉大学 | Direct effect testing device for lightning current |
| CN103076472A (en) * | 2013-02-01 | 2013-05-01 | 上海电机学院 | Implementation method for small-scale full-wave direct lightning generator |
| CN103743968B (en) * | 2013-12-17 | 2016-07-06 | 上海交通大学 | The multiple lightning current resistance test method of metal oxide arrester |
| 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 |
| CN104459417B (en) * | 2014-12-25 | 2018-05-29 | 中国西电电气股份有限公司 | A kind of energy resistance test device and test method |
| 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 |
| CN107565538B (en) * | 2017-10-11 | 2020-06-16 | 成都信息工程大学 | Thunder and lightning multi-pulse protection device |
| CN112305399B (en) * | 2019-08-01 | 2023-01-13 | 欣旺达电动汽车电池有限公司 | Surge testing method and device for front-end acquisition chip of BMS (battery management system) of electric automobile |
| CN110850255B (en) * | 2019-11-26 | 2022-04-26 | 张利华 | Test method for multiple lightning strike impulse discharge current |
| CN112180225A (en) * | 2020-10-29 | 2021-01-05 | 云南电网有限责任公司电力科学研究院 | Triple lightning stroke anti-false triggering protection circuit |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2672665Y (en) * | 2003-12-12 | 2005-01-19 | 杭州雷盾电子设备有限公司 | Detector for thunder and lighting surge |
| CN101629981A (en) * | 2009-05-19 | 2010-01-20 | 武汉大学 | Modularized multiple wave forms impact generator test device |
| CN201402297Y (en) * | 2009-05-06 | 2010-02-10 | 武汉大学 | Portable electric surging protector test instrument |
| CN201681126U (en) * | 2009-11-30 | 2010-12-22 | 广东电网公司电力科学研究院 | Portable lighting protection testing device |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH05205849A (en) * | 1992-01-24 | 1993-08-13 | Mitsubishi Electric Corp | Testing method for lightning arrester |
-
2011
- 2011-03-18 CN CN 201110065950 patent/CN102162829B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2672665Y (en) * | 2003-12-12 | 2005-01-19 | 杭州雷盾电子设备有限公司 | Detector for thunder and lighting surge |
| CN201402297Y (en) * | 2009-05-06 | 2010-02-10 | 武汉大学 | Portable electric surging protector test instrument |
| CN101629981A (en) * | 2009-05-19 | 2010-01-20 | 武汉大学 | Modularized multiple wave forms impact generator test device |
| CN201681126U (en) * | 2009-11-30 | 2010-12-22 | 广东电网公司电力科学研究院 | Portable lighting protection testing device |
Non-Patent Citations (2)
| Title |
|---|
| 智能化冲击电流试验系统;刘洋 等;《电力自动化设备》;20080531;第28卷(第5期);103-106 * |
| 电涌发生器自动化测控系统;薛健 等;《电工技术杂志2004年增刊》;20041231;103-107 * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102162829A (en) | 2011-08-24 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102162829B (en) | Experimental device for multiple lightning current return strokes of surge protection device (SPD) | |
| US20140091060A1 (en) | Arc suppression control and methods therefor | |
| CN104297647A (en) | Controllable power frequency superposition impulse testing device and testing method thereof | |
| CN103048570A (en) | Direct effect testing device for lightning current | |
| CN102868314B (en) | Multi-waveform impact current generator | |
| CN107271866B (en) | Test device and method for direct effect of quadruple continuous time sequence lightning stroke | |
| CN107565846A (en) | A kind of apparatus and method for producing high-voltage pulse | |
| CN204142786U (en) | A kind of thunder and lightning damped oscillation wave producer | |
| CN203551249U (en) | Underwater high-voltage discharging bubble-generation device | |
| CN109655744B (en) | Direct current breaker test voltage generation circuit and generation method | |
| EP2573930B1 (en) | Current generation device | |
| CN104820149A (en) | Lightning arrester proportional unit action load test circuit | |
| CN102590653B (en) | Offline experimental device for 25kV-grade pantograph | |
| CN211206585U (en) | Lightning surge voltage impulse generator with constant output energy | |
| CN109490591B (en) | High-stability lightning impulse simulator | |
| CN103675375A (en) | Inductive discharge high-gradient impact current generator | |
| CN103746567B (en) | A kind of wavefront continuously adjustable impact high voltage method for generation | |
| CN103627886B (en) | For eliminating the impulse of current Controlling System of unrelieved stress | |
| CN208476982U (en) | The multiple counterattack wave impact current feedback circuit realized using vacuum switch | |
| CN109342787B (en) | Long duration inrush current generation system | |
| US4638398A (en) | Apparatus for producing positive or negative ions, especially for neutralizing charged workpieces | |
| CN103528793A (en) | Underwater high-voltage discharge bubble generation device | |
| Vollmer et al. | Rep-rated operation of a modular, compact HV-capacitor charger | |
| CN109358218B (en) | System and method for automatically replacing resistor for impulse voltage generator | |
| RU2581481C2 (en) | Duplex electrical shock-excitation cultivator |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20121226 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |