CN102081135A - Alternating-current voltage resistance test device - Google Patents
Alternating-current voltage resistance test device Download PDFInfo
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- CN102081135A CN102081135A CN2009102327267A CN200910232726A CN102081135A CN 102081135 A CN102081135 A CN 102081135A CN 2009102327267 A CN2009102327267 A CN 2009102327267A CN 200910232726 A CN200910232726 A CN 200910232726A CN 102081135 A CN102081135 A CN 102081135A
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Abstract
The invention discloses an alternating-current voltage resistance test device, which comprises a variable frequency power supply module, a reactor module, a voltage divider module and an exciting transformer module. The variable frequency power supply module, the reactor module, the voltage divider module and the exciting transformer module are independent respectively; and during use, the corresponding modules are selected as required and assembled into corresponding test devices; yoke-free vacuum epoxy pouring is adopted for the reactor module. Because of the adoption of the technical scheme, the variable frequency power supply module, the reactor module, the voltage divider module and the exciting transformer module are independent respectively, and during use, the corresponding modules are selected as required and assembled into the corresponding test devices, so that the alternating-current voltage resistance test device has small volume and light weight and reaches the required test voltage and capacity according to the test requirement by series-parallel combination.
Description
Technical field
The present invention relates to a kind of AC voltage withstand test device, particularly a kind of portable high-pressure electrical equipment AC voltage withstand test device belongs to electrical technology field.
Background technology
In electrical technology field, frequency modulation type series resonance high-pressure test device is a common equipment, the principle of work wiring as shown in Figure 1, alternating current 220V or 380V power supply, convert frequency, ac voltage signal that voltage is adjustable to by the frequency conversion source,, send into the high-pressure series resonant tank that constitutes by reactor L and tested cable Cx through exciting transformer, voltage divider is pure capacitive, is used for experiment with measuring voltage.The frequency conversion source is sent into a lower voltage U e through exciting transformer T to main resonant circuit, regulates the output frequency of frequency converter, when frequency satisfies condition
The time (L, C are equivalent inductance and electric capacity), circuit promptly reaches resonant condition.U is arranged this moment
CX=QU
eWherein Q is quality factor, and usually Q value under less field voltage Ue, makes test specimen Cx go up the voltage U CX of several Ue of decupling of generation tens to up to a hundred.Electric current by test specimen is: I=2 π fC
XU
CXWhen test specimen was carried out withstand voltage test, the frequency conversion source is the output initial voltage earlier, is used for the resonance frequency that frequency sweep is looked for cascade system, and the frequency resolution of frequency sweep is 0.01Hz.System boosts after finding resonance frequency, boosts to select automatic boost mode and manual voltage boosting pattern; After voltage is raised to the setting high pressure, in setting-up time, carry out voltage-tracing and voltage stabilizing, be stable setting voltage on the interior test specimen between assurance at the trial, arrive off-test up to setting-up time.If the test specimen withstand voltage properties has problem and abort, then system differentiates the test interruption source automatically, and performs record; High voltage electric equipment AC voltage withstand test device commonly used now is all-in-one-piece, and is heavier, carries inconvenience.
Summary of the invention
At the technical matters of above-mentioned existence, the purpose of this invention is to provide a kind of portable, modular high voltage electric equipment AC voltage withstand test device.
Realize that technical scheme of the present invention is: a kind of AC voltage withstand test device comprises variable-frequency power sources module, reactor module, voltage divider module, exciting transformer module; Described variable-frequency power sources module, reactor module, voltage divider module, exciting transformer module are independent separately, during use, as required, select corresponding module to be assembled into corresponding test unit; Described reactor module adopts no yoke vacuum epoxy casting.
Because the utilization of technique scheme, the present invention compared with prior art has following advantage:
Because the employing of technique scheme, described variable-frequency power sources module, reactor module, voltage divider module, exciting transformer module are independent separately, during use, as required, select corresponding module to be assembled into corresponding test unit; The single-piece volume is little, in light weight, can by the connection in series-parallel combination, reach needed trial voltage and capacity according to the test needs.
Description of drawings
Below in conjunction with accompanying drawing technical solution of the present invention is described further:
Accompanying drawing 1 is the fundamental diagram of AC voltage withstand test device of the present invention;
Accompanying drawing 2 is the composition frame chart of AC voltage withstand test device of the present invention;
Wherein: 1, variable-frequency power sources module; 2, reactor module; 3, voltage divider module; 4, exciting transformer module.
Embodiment:
Of the present invention a kind of AC voltage withstand test device as shown in Figure 1 comprises variable-frequency power sources module 1, reactor module 2, voltage divider module 3, exciting transformer module 4; Described variable-frequency power sources module 1, reactor module 2, voltage divider module 3, exciting transformer module 4 are independent separately, during use, as required, select corresponding module to be assembled into corresponding test unit; Described reactor module 2 adopts no yoke vacuum epoxy casting.
Because the utilization of technique scheme, the present invention compared with prior art has following advantage:
Because the employing of technique scheme, described variable-frequency power sources module, reactor module, voltage divider module, exciting transformer module are independent separately, during use, as required, select corresponding module to be assembled into corresponding test unit; The single-piece volume is little, in light weight, can by the connection in series-parallel combination, reach needed trial voltage and capacity according to the test needs.
Below only be concrete exemplary applications of the present invention, protection scope of the present invention is not constituted any limitation.All employing equivalents or equivalence are replaced and the technical scheme of formation, or any to move mode dull and stereotyped described in the present invention, all drop within the rights protection scope of the present invention.
Claims (1)
1. an AC voltage withstand test device is characterized in that: comprise variable-frequency power sources module, reactor module, voltage divider module, exciting transformer module; Described variable-frequency power sources module, reactor module, voltage divider module, exciting transformer module are independent separately, during use, as required, select corresponding module to be assembled into corresponding test unit; Described reactor module adopts no yoke vacuum epoxy casting.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009102327267A CN102081135A (en) | 2009-11-30 | 2009-11-30 | Alternating-current voltage resistance test device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009102327267A CN102081135A (en) | 2009-11-30 | 2009-11-30 | Alternating-current voltage resistance test device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102081135A true CN102081135A (en) | 2011-06-01 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2009102327267A Pending CN102081135A (en) | 2009-11-30 | 2009-11-30 | Alternating-current voltage resistance test device |
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| CN (1) | CN102081135A (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103809095A (en) * | 2014-02-24 | 2014-05-21 | 苏州科技学院 | Withstand voltage test device for ultra-large-capacity high-voltage variable-frequency resonant cable |
| CN104136931A (en) * | 2012-02-27 | 2014-11-05 | 赖茵豪森机械制造公司 | Test system and method for testing high-voltage technology devices |
| CN104880649A (en) * | 2015-05-19 | 2015-09-02 | 苏州市华安普电力工程有限公司 | Alternating current withstand voltage test apparatus |
| CN105116773A (en) * | 2015-07-17 | 2015-12-02 | 苏州华电电气股份有限公司 | Automatic building control system of high-voltage test platform |
| CN105277859A (en) * | 2015-11-12 | 2016-01-27 | 北京送变电公司 | Electromagnetic voltage transformer induced withstand voltage test system and method |
| CN105445628A (en) * | 2015-11-27 | 2016-03-30 | 国网北京市电力公司 | High voltage test circuit and connection method thereof |
| CN105717381A (en) * | 2014-12-04 | 2016-06-29 | 国家电网公司 | Identification method of extra-high voltage converter transformer field modular assembly |
| CN107202916A (en) * | 2017-05-15 | 2017-09-26 | 国网天津市电力公司 | A kind of series resonance test system monitoring device |
| CN117647710A (en) * | 2023-12-01 | 2024-03-05 | 国网安徽省电力有限公司庐江县供电公司 | Transformer power frequency withstand voltage test equipment |
-
2009
- 2009-11-30 CN CN2009102327267A patent/CN102081135A/en active Pending
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104136931A (en) * | 2012-02-27 | 2014-11-05 | 赖茵豪森机械制造公司 | Test system and method for testing high-voltage technology devices |
| CN103809095A (en) * | 2014-02-24 | 2014-05-21 | 苏州科技学院 | Withstand voltage test device for ultra-large-capacity high-voltage variable-frequency resonant cable |
| CN105717381A (en) * | 2014-12-04 | 2016-06-29 | 国家电网公司 | Identification method of extra-high voltage converter transformer field modular assembly |
| CN104880649A (en) * | 2015-05-19 | 2015-09-02 | 苏州市华安普电力工程有限公司 | Alternating current withstand voltage test apparatus |
| CN105116773A (en) * | 2015-07-17 | 2015-12-02 | 苏州华电电气股份有限公司 | Automatic building control system of high-voltage test platform |
| CN105116773B (en) * | 2015-07-17 | 2018-02-16 | 苏州华电电气股份有限公司 | A kind of high-voltage test platform builds control system automatically |
| CN105277859A (en) * | 2015-11-12 | 2016-01-27 | 北京送变电公司 | Electromagnetic voltage transformer induced withstand voltage test system and method |
| CN105445628A (en) * | 2015-11-27 | 2016-03-30 | 国网北京市电力公司 | High voltage test circuit and connection method thereof |
| CN107202916A (en) * | 2017-05-15 | 2017-09-26 | 国网天津市电力公司 | A kind of series resonance test system monitoring device |
| CN117647710A (en) * | 2023-12-01 | 2024-03-05 | 国网安徽省电力有限公司庐江县供电公司 | Transformer power frequency withstand voltage test equipment |
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Legal Events
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| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20110601 |