CN202903954U - Power-frequency arbitrary phase angle superposed lightning impulse testing device for insulator string - Google Patents
Power-frequency arbitrary phase angle superposed lightning impulse testing device for insulator string Download PDFInfo
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- CN202903954U CN202903954U CN 201220573914 CN201220573914U CN202903954U CN 202903954 U CN202903954 U CN 202903954U CN 201220573914 CN201220573914 CN 201220573914 CN 201220573914 U CN201220573914 U CN 201220573914U CN 202903954 U CN202903954 U CN 202903954U
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- 239000012212 insulator Substances 0.000 title claims abstract description 23
- 238000012360 testing method Methods 0.000 title claims abstract description 18
- 238000005070 sampling Methods 0.000 claims abstract description 34
- 230000001681 protective effect Effects 0.000 claims description 11
- 230000001360 synchronised effect Effects 0.000 abstract description 8
- 238000004088 simulation Methods 0.000 abstract description 4
- 238000002955 isolation Methods 0.000 description 3
- 208000025274 Lightning injury Diseases 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000002093 peripheral effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
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- 239000003990 capacitor Substances 0.000 description 1
- 230000006854 communication Effects 0.000 description 1
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- 238000004870 electrical engineering Methods 0.000 description 1
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- 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 1
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Abstract
The utility model discloses a power-frequency arbitrary phase angle superposed lightning impulse testing device for insulator strings. The testing device comprises a synchronous trigger (7), an impulse voltage generator (1) and a power-frequency voltage booster (2), wherein the synchronous trigger (7) is parallelly connected with an output end and an input end of the impulse voltage generator (1), and an output end of the power-frequency voltage booster (2); an impulse voltage sampling divider (8) is serially connected between the synchronous trigger (7) and the input end of the impulse voltage generator (1); and a power-frequency voltage sampling divider (6) is serially connected between the synchronous trigger (7) and the output end of the power-frequency voltage booster (2). The testing device can simulate the flashover characteristics of the insulator strings under superposed impulse in different power-frequency phase angle conditions, and the structure is mature and easy to implement; meanwhile, the simulation of actual operation conditions of the insulator strings is not interfered or influenced by external conditions, and the testing device is of great significance to the research of flashover characteristics of the insulator strings when being struck by lightning.
Description
Technical field
The utility model belongs to the electrical engineering technical field, relates in particular to any phase angle stack of a kind of insulator chain power frequency lightning impulse test device.
Background technology
At present, in the line insulator string thunderbolt attribute testing flashover, the method for use is to apply the standard lightning wave at the insulator chain two ends.The staff finds in actual test and the l-G simulation test, and when line insulator string suffered lightning stroke flashover in operational process, the catadioptric of lightning wave between body of the tower labyrinth and adjacent shaft tower can cause lightning wave continuous attenuation distortion in communication process.So the voltage waveform that bear at the insulator chain two ends and non-standard lightning voltage waveform, but short-tail ripple or non-standard lightning wave.Simultaneously, when insulator chain is struck by lightning, also bearing power-frequency voltage in the middle of actual motion, so can not come with simple standard lightning impulse voltage waveform the lightning stroke flashover situation of analog insulation substring.
The utility model content
The technical problems to be solved in the utility model is: for the defective of prior art, the any phase angle stack of a kind of insulator chain power frequency lightning impulse test device is provided, use this device can realize exporting simulation back flashover and the short-tail ripple of shielding, nonstandard lightning wave, waveform and power-frequency voltage are in not inphase angle stack and triggering.
Technical solution of the present utility model is, any phase angle stack of described insulator chain power frequency lightning impulse test device, and referring to accompanying drawing 1, this installs as shown in Figure 1, includes a synchronizer trigger 7, an impulse voltage generator 1 and a power frequency stepup transformer 2.The input end of described synchronizer trigger 7 the be connected in parallel output terminal of described impulse voltage generator 1, the input end of described impulse voltage generator 1 and the output terminal of described power frequency stepup transformer 2.Wherein, be connected in series one between described synchronizer trigger 7 and described impulse voltage generator 1 input end with the surge voltage sampling voltage divider 8 of earth terminal.The earth terminal ground connection of this surge voltage sampling voltage divider 8.Be connected in series one between the output terminal of described synchronizer trigger 7 and power frequency stepup transformer 2 with the power-frequency voltage sampling voltage divider 6 of earth terminal.The earth terminal ground connection of this power-frequency voltage sampling voltage divider 6.Also be in series with a protective resistance 3 on the line of the output terminal of this power-frequency voltage sampling voltage divider 6 and described power frequency stepup transformer 2.And on the line between this protective resistance 3 and the described power-frequency voltage sampling voltage divider 6, also be connected in parallel to an external series gap 5 and a protection electric capacity 4.The other end of the other end of this external series gap 5 and protection electric capacity 4 is ground connection respectively.
Any phase angle stack of the insulator chain power frequency of the present utility model that consists of thus lightning impulse test device, its member impulse voltage generator 1 can be respectively by regulating its wave front resistance value and wave rear resistance value, export adjustable wave head High Voltage Impulse Waveform and adjustable wave rear High Voltage Impulse Waveform, to satisfy the needs of different High Voltage Impulse Waveforms; Member power frequency stepup transformer 2 can be according to the examination trial target, and shown in accompanying drawing 1, the electric pressure demand of insulator chain 9 provides corresponding voltage waveform.And impulse voltage generator 1 is realized mutually isolation with the buffer circuit that power frequency stepup transformer 2 is comprised of protective resistance 3 and protection electric capacity 4, external series gap 5; the synchronous trigger circuit that forms by power-frequency voltage sampling voltage divider 6 and synchronizer trigger 7, surge voltage sampling voltage divider 8 is again realized triggering synchronously, implements any phase angle stack of power frequency of corresponding examination trial target insulator chain 9 and impacts.
This device referring to Fig. 1, forms such as above-mentioned buffer circuit, power-frequency voltage sampling voltage divider 6 and synchronizer trigger 7, the surge voltage sampling voltage divider 8 that is comprised of impulse voltage generator 1, power frequency stepup transformer 2, protective resistance 3 and protection electric capacity 4, external series gap 5.The trial target insulator chain 9 of during use peripheral hardware being taken an entrance examination is series at the end that the batching sphere crack 5 of this device links to each other with power-frequency voltage sampling voltage divider 6, and impulse voltage generator 1 and surge voltage are sampled between the end that voltage divider 8 links to each other.The wave head of impulse voltage generator 1, wave rear are adjustable flexibly, can simulate the needed waveform output of short-tail ripple, lightning wave and operation ripple; Power frequency stepup transformer 2 can be exported corresponding rated voltage waveform according to equipment electric pressure needs; The buffer circuit that this device has also adopted a cover protection electric capacity 4, protective resistance 3 and batching sphere crack 5 to form is realized the reliable isolation of impulse voltage generator 1 and power frequency stepup transformer 2; At last in order to realize power frequency when the inphase angle not and the synchronous triggering of impact, adopted a synchronous trigger circuit that forms by power-frequency voltage sampling voltage divider 6 and synchronizer trigger 7, surge voltage sampling voltage divider 8, by the synchronous triggering of the sampling of the phase angle of power frequency system and impact voltage generator 1 is controlled, be implemented under the inphase angle not the triggering to institute's stack impulse voltage generator 1.
The beneficial effects of the utility model are, can the analog insulation substring under the operating condition condition, all possess the flashover property that stack is impacted in different phase angle situations, the unit structure of whole device is ripe, realizes easily.Simultaneously, this device is not subjected to the interference of the peripheral condition of transmission line of electricity and the impact of varying environment to the simulation of insulator chain actual operating mode, and is significant for the research of the flashover property of insulator chain when being struck by lightning.
Description of drawings
Fig. 1 is the structured flowchart of a specific embodiment of the utility model, is denoted as among the figure:
1-impulse voltage generator,
2-power frequency stepup transformer,
3-protective resistance,
4-protection electric capacity,
5-external series gap,
6-power-frequency voltage sampling voltage divider,
7-synchronizer trigger,
8-surge voltage sampling voltage divider,
9-insulator chain.
Embodiment
Referring to Fig. 1, Figure 1 shows that specific embodiment of any phase angle stack lightning impulse test device of the utility model insulator chain power frequency.The CJDY-450 type impulse voltage generator that the commercially available Jiangsu Province, China thunder space high-voltage testing equipment of the impulse voltage generator 1 employing company limited of this embodiment produces; The commercially available Hubei China of power frequency stepup transformer 2 employings is economized the QYD-J type power frequency stepup transformer that the company of new extraordinary electric incorporated company that continues produces; Synchronizer trigger 7 adopts commercially available Jiangsu Province, China Yangzhou to reach the GLCF-12 type synchronizer trigger that morning, Electric Appliance Equipment Co., Ltd produced.Be connected in parallel output terminal and the input end of impulse voltage generator 1 and the output terminal of power frequency stepup transformer 2 of the input end of synchronizer trigger 7 wherein.Be connected in series one between described synchronizer trigger 7 and described impulse voltage generator 1 input end with the surge voltage sampling voltage divider 8 of earth terminal.The MWF300 that the commercially available Jiangsu Province, China thunder space high-voltage testing equipment of these surge voltage sampling voltage divider 8 employings company limited produces～500/450 type surge voltage sampling voltage divider.The earth terminal ground connection of surge voltage sampling voltage divider 8.Be connected in series one between the output terminal of described synchronizer trigger 7 and power frequency stepup transformer 2 with the power-frequency voltage sampling voltage divider 6 of earth terminal.The TAWF-400/400 that the commercially available Jiangsu Province, China thunder space high-voltage testing equipment of these power-frequency voltage sampling voltage divider 6 employings company limited produces～1000 type power-frequency voltages sampling voltage divider.The earth terminal ground connection of this power-frequency voltage sampling voltage divider 6.Also be in series with a protective resistance 3 on the line of the output terminal of this power-frequency voltage sampling voltage divider 6 and described power frequency stepup transformer 2.This protective resistance 3 adopts commercially available 1M Ω conventional, electric-resistance device.And on the line between this protective resistance 3 and the described power-frequency voltage sampling voltage divider 6, also be connected in parallel to an external series gap 5 and a protection electric capacity 4.This protection electric capacity 4 and protective resistance 3 be the same to adopt commercially available 300pF ordinary capacitor.And the commercially available specification of these external series gap 5 employings is the common isolation bag of radius-of-curvature 450mm.The other end of the other end of this external series gap 5 and protection electric capacity 4 is ground connection respectively.
Claims (1)
1. any phase angle stack of insulator chain power frequency lightning impulse test device; it is characterized in that; it includes a synchronizer trigger (7); an impulse voltage generator (1) and a power frequency stepup transformer (2); the be connected in parallel output terminal of described impulse voltage generator (1) of the input end of described synchronizer trigger (7); the output terminal of the input end of described impulse voltage generator (1) and described power frequency stepup transformer (2); wherein; be connected in series one between described synchronizer trigger (7) and described impulse voltage generator (1) input end with the surge voltage sampling voltage divider (8) of earth terminal; the earth terminal ground connection of this surge voltage sampling voltage divider (8); be connected in series one between the output terminal of described synchronizer trigger (7) and power frequency stepup transformer (2) with the power-frequency voltage sampling voltage divider (6) of earth terminal; the earth terminal ground connection of this power-frequency voltage sampling voltage divider (6); also be in series with a protective resistance (3) on the line of the output terminal of this power-frequency voltage sampling voltage divider (6) and described power frequency stepup transformer (2); and on the line between this protective resistance (3) and the described power-frequency voltage sampling voltage divider (6); also be connected in parallel to an external series gap (5) and a protection electric capacity (4), the other end of the other end of this external series gap (5) and protection electric capacity (4) is ground connection respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220573914 CN202903954U (en) | 2012-11-02 | 2012-11-02 | Power-frequency arbitrary phase angle superposed lightning impulse testing device for insulator string |
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| CN 201220573914 CN202903954U (en) | 2012-11-02 | 2012-11-02 | Power-frequency arbitrary phase angle superposed lightning impulse testing device for insulator string |
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| CN 201220573914 Expired - Lifetime CN202903954U (en) | 2012-11-02 | 2012-11-02 | Power-frequency arbitrary phase angle superposed lightning impulse testing device for insulator string |
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Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103336206A (en) * | 2013-06-27 | 2013-10-02 | 清华大学 | Insulator flashover simulation method based on pilot development model and applicable to lightning counterattack |
| CN103837805A (en) * | 2014-03-14 | 2014-06-04 | 云南电力试验研究院（集团）有限公司电力研究院 | GIS thunder voltage resisting testing device used on site |
| CN104267277A (en) * | 2014-09-23 | 2015-01-07 | 广东电网有限责任公司佛山供电局 | Overvoltage protective performance testing device for overvoltage protective device and control method and system |
| CN104502817A (en) * | 2014-12-17 | 2015-04-08 | 广州供电局有限公司 | Wireless ultrahigh frequency sensor for local discharge detection under impulse voltage |
| CN104614612A (en) * | 2015-02-02 | 2015-05-13 | 国家电网公司 | Simulating testing platform for electric shielding of double-loop linear angle tower |
| CN105589019A (en) * | 2016-01-25 | 2016-05-18 | 西安交通大学 | Method and device for researching discharge characteristics of SF6 gas under alternating-current superposed impact voltage |
| CN107271739A (en) * | 2017-07-19 | 2017-10-20 | 国网湖南省电力公司 | A kind of primary side protection circuit of 10kV power frequency continued flows experimental rig |
| CN108896882A (en) * | 2018-06-28 | 2018-11-27 | 四川大学 | Overhead transmission line icing flashover influence factor appraisal procedure under impact and industrial frequency superimposed voltage |
| CN108896883A (en) * | 2018-06-28 | 2018-11-27 | 四川大学 | Arcing fault simulator and analogy method of the overhead transmission line under surge voltage |
| CN111025044A (en) * | 2019-11-16 | 2020-04-17 | 国网浙江宁波市奉化区供电有限公司 | Lightning stroke broken line simulation test method for power distribution network |
| WO2021008336A1 (en) * | 2019-07-17 | 2021-01-21 | 中国电力科学研究院有限公司 | Method and system for measuring power frequency and superimposed impulse voltage waveforms |
| CN112345903A (en) * | 2020-10-29 | 2021-02-09 | 中国电力科学研究院有限公司 | Voltage generating device and method for power frequency superimposed impulse voltage |
-
2012
- 2012-11-02 CN CN 201220573914 patent/CN202903954U/en not_active Expired - Lifetime
Cited By (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103336206A (en) * | 2013-06-27 | 2013-10-02 | 清华大学 | Insulator flashover simulation method based on pilot development model and applicable to lightning counterattack |
| CN103336206B (en) * | 2013-06-27 | 2017-07-28 | 清华大学 | The insulator arc-over emulation mode based on leader development model for back flashover |
| CN103837805A (en) * | 2014-03-14 | 2014-06-04 | 云南电力试验研究院（集团）有限公司电力研究院 | GIS thunder voltage resisting testing device used on site |
| CN104267277A (en) * | 2014-09-23 | 2015-01-07 | 广东电网有限责任公司佛山供电局 | Overvoltage protective performance testing device for overvoltage protective device and control method and system |
| CN104267277B (en) * | 2014-09-23 | 2015-07-22 | 广东电网有限责任公司佛山供电局 | Overvoltage protective performance testing device for overvoltage protective device and control method and system |
| CN104502817A (en) * | 2014-12-17 | 2015-04-08 | 广州供电局有限公司 | Wireless ultrahigh frequency sensor for local discharge detection under impulse voltage |
| CN104614612A (en) * | 2015-02-02 | 2015-05-13 | 国家电网公司 | Simulating testing platform for electric shielding of double-loop linear angle tower |
| CN105589019A (en) * | 2016-01-25 | 2016-05-18 | 西安交通大学 | Method and device for researching discharge characteristics of SF6 gas under alternating-current superposed impact voltage |
| CN107271739A (en) * | 2017-07-19 | 2017-10-20 | 国网湖南省电力公司 | A kind of primary side protection circuit of 10kV power frequency continued flows experimental rig |
| CN108896882A (en) * | 2018-06-28 | 2018-11-27 | 四川大学 | Overhead transmission line icing flashover influence factor appraisal procedure under impact and industrial frequency superimposed voltage |
| CN108896883A (en) * | 2018-06-28 | 2018-11-27 | 四川大学 | Arcing fault simulator and analogy method of the overhead transmission line under surge voltage |
| CN108896882B (en) * | 2018-06-28 | 2019-11-12 | 四川大学 | Overhead transmission line icing flashover influence factor appraisal procedure under impact and industrial frequency superimposed voltage |
| WO2021008336A1 (en) * | 2019-07-17 | 2021-01-21 | 中国电力科学研究院有限公司 | Method and system for measuring power frequency and superimposed impulse voltage waveforms |
| CN111025044A (en) * | 2019-11-16 | 2020-04-17 | 国网浙江宁波市奉化区供电有限公司 | Lightning stroke broken line simulation test method for power distribution network |
| CN111025044B (en) * | 2019-11-16 | 2022-08-26 | 国网浙江宁波市奉化区供电有限公司 | Lightning stroke broken line simulation test method for power distribution network |
| CN112345903A (en) * | 2020-10-29 | 2021-02-09 | 中国电力科学研究院有限公司 | Voltage generating device and method for power frequency superimposed impulse voltage |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130424 |