CN102981111B - Interturn insulation detector for dry air reactor - Google Patents
Interturn insulation detector for dry air reactor Download PDFInfo
- Publication number
- CN102981111B CN102981111B CN201210568721.3A CN201210568721A CN102981111B CN 102981111 B CN102981111 B CN 102981111B CN 201210568721 A CN201210568721 A CN 201210568721A CN 102981111 B CN102981111 B CN 102981111B
- Authority
- CN
- China
- Prior art keywords
- reactor
- voltage
- transformer
- detected
- turn
- 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.)
- Active
Links
- 238000009413 insulation Methods 0.000 title claims abstract description 29
- 230000010355 oscillation Effects 0.000 claims abstract description 20
- 239000003990 capacitor Substances 0.000 claims description 14
- 238000004146 energy storage Methods 0.000 claims description 14
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims description 6
- 230000009514 concussion Effects 0.000 claims description 6
- 229910052710 silicon Inorganic materials 0.000 claims description 6
- 239000010703 silicon Substances 0.000 claims description 6
- 238000011896 sensitive detection Methods 0.000 abstract description 6
- 230000001105 regulatory effect Effects 0.000 abstract description 3
- 230000007812 deficiency Effects 0.000 abstract 1
- 230000007547 defect Effects 0.000 description 6
- 238000012360 testing method Methods 0.000 description 5
- 238000001514 detection method Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000003365 glass fiber Substances 0.000 description 2
- 238000004804 winding Methods 0.000 description 2
- 229920002799 BoPET Polymers 0.000 description 1
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 1
- 239000005041 Mylar™ Substances 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010891 electric arc Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000003822 epoxy resin Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
- 229920000647 polyepoxide Polymers 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
Abstract
The invention discloses an interturn insulation detector for a dry air reactor, which comprises a voltage regulator, a transformer, a high-frequency oscillating module and an oscillograph, wherein voltage of an external power supply is regulated by the voltage regulator and delivered to the transformer; the transformer is connected with the voltage regulator; the delivered voltage is regulated to a range required by the high-frequency oscillating module; the high-frequency oscillating module connected with the transformer is connected with the reactor to be detected; evanescent high-frequency oscillation voltage generated by the high-frequency oscillating module acts on the reactor to be detected; and a wave form of oscillating voltage output by the reactor to be detected is detected by the oscillograph.When the detector is in use, lower voltage is applied across the reactor to be detected first, and a wave form of the low voltage is stored by the oscillograph; then higher voltage is applied across the reactor to be detected for one minute, and an output wave form of the reactor is obtained again; the insulating property of the reactor to be detected can be judged by comparing the obtained wave forms at the two times finally, and the purpose of sensitive detection of interturn insulation deficiencies of the reactor is realized.
Description
Technical field
The present invention relates to reactor detection technique field, more particularly, relate to a kind of dry empty formula reactor turn-to-turn insulation detector.
Background technology
Dry empty formula reactor (claiming again dry-type air-core reactor) is compared with traditional oil immersed type iron core reactor, have simple in structure, quality is light, volume is little, the linearity is good, loss is low and the advantage such as easy to maintenance, has therefore obtained development rapidly and application widely.
Dry empty formula reactor is sealed and is formed by a plurality of coaxial windings.All being encapsulated on electric is in parallel, the coil that has several to be connected in parallel in each is sealed, every layer line circle has again several small bore plain conductors and around forming, on every wire, be surrounded by mylar or glass fiber is done turn insulation, each is sealed with the long glass fiber that is soaked with epoxy resin and holds.After reactor coiling, through being heating and curing, whole winding is sealed and is formed a firm integral body.
The number of plies and the number of turn angle of jumbo dry empty formula reactor inside, the detection of turn-to-turn insulation fault is a difficult problem all the time.The test of frequency multiplication multiplication of voltage is longer action time, and energy is higher, but trial voltage is lower, is difficult to find the defect in the more reactor of the number of turn; Lightning impulse test voltage is higher, but action time is shorter, and energy is lower, and it is qualified no matter with visual examination or waveform, to be more usually difficult to judge whether.
By the above, how a kind of dry empty formula reactor turn-to-turn insulation detector is provided, can carry out sensitive detection to reactor inter-turn insulation defect, become the technical matters that those skilled in the art need solution badly.
Summary of the invention
In view of this, the invention provides a kind of dry empty formula reactor turn-to-turn insulation detector, to realize the object of reactor inter-turn insulation defect being carried out to sensitive detection.
For achieving the above object, the invention provides following technical scheme:
A dry empty formula reactor turn-to-turn insulation detector, the transformer that comprises the pressure regulator that is connected with extraneous power supply, is connected with pressure regulator and pressure regulator output voltage can be heightened, is connected with transformer and can and detects the oscillograph of waveform of the concussion voltage of reactor output to be tested to the high frequency oscillation module of the high-frequency oscillation voltage of reactor output attenuatoin to be tested.
Preferably, in above-mentioned dry empty formula reactor turn-to-turn insulation detector, high frequency oscillation module comprises high-voltage rectification silicon stack, high voltage energy-storage capacitor and ball discharge gap;
High-voltage rectification silicon stack, high voltage energy-storage capacitor are connected with transformer, and ball discharge gap is in parallel with high voltage energy-storage capacitor, and reactor to be tested is arranged between high voltage energy-storage capacitor and ball discharge gap.
The invention provides a kind of dry empty formula reactor turn-to-turn insulation detector, comprise pressure regulator, transformer, high frequency oscillation module and oscillograph.Wherein, the pressure regulator to external world voltage of power supply regulates, and flows to transformer; Transformer is connected with pressure regulator, by the required scope of voltage-regulation tremendously high frequency concussion module transporting; The high frequency oscillation module being connected with transformer is connected with reactor to be tested, and the high-frequency oscillation voltage of the decay of its generation acts on reactor to be tested; Oscillograph detects the waveform of reactor output concussion voltage to be tested.
When using dry empty formula reactor turn-to-turn insulation detector provided by the present invention, first reactor to be tested is applied to lower magnitude of voltage, utilize oscillograph to store its waveform as reference; Then, adjust magnitude of voltage and the frequency of high-frequency oscillation voltage, to reactor to be tested, apply the voltage of one minute higher magnitude, and again obtain the waveform of reactor output; Finally, the waveform relatively obtaining for twice, can judge the insulating property of reactor to be tested.
By the above, the invention provides a kind of dry empty formula reactor turn-to-turn insulation detector, realized the object of reactor inter-turn insulation defect being carried out to sensitive detection.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, to the accompanying drawing of required use in embodiment or description of the Prior Art be briefly described below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skills, do not paying under the prerequisite of creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 is the schematic diagram of dry empty formula reactor turn-to-turn insulation detector provided by the present invention;
Fig. 2 is the schematic diagram of dry empty formula reactor turn-to-turn insulation detector medium-high frequency concussion module.
Embodiment
The embodiment of the invention discloses a kind of dry empty formula reactor turn-to-turn insulation detector, to realize the object of reactor inter-turn insulation defect being carried out to sensitive detection.
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is clearly and completely described, obviously, described embodiment is only the present invention's part embodiment, rather than whole embodiment.Embodiment based in the present invention, those of ordinary skills, not making the every other embodiment obtaining under creative work prerequisite, belong to the scope of protection of the invention.
Please refer to Fig. 1, the dry empty formula reactor turn-to-turn insulation detector that the embodiment of the present invention provides comprises pressure regulator 1, transformer 2, high frequency oscillation module 3 and oscillograph 4.
Pressure regulator 1 is connected with extraneous power supply, after the voltage that power supply is inputted to external world regulates, is flowed to transformer 2.
Transformer 2 is connected with pressure regulator 1, and the voltage after transformer 2 regulates pressure regulator 1 is adjusted to the required magnitude of voltage of high frequency oscillation module 3 again.
High frequency oscillation module 3 is connected with transformer 2, and the high-frequency oscillation voltage of the decay of its generation acts on reactor to be tested.
Oscillograph 3 can detect the waveform of reactor output concussion voltage to be tested.
When using dry empty formula reactor turn-to-turn insulation detector provided by the present invention, the input end of reactor to be tested is linked into the output terminal of high frequency oscillation module 3, and the output terminal of reactor to be tested is connected with oscillograph.During test, first reactor to be tested is applied to lower magnitude of voltage, utilize oscillograph 4 to store its waveform as reference; Then, adjust magnitude of voltage and the frequency of high-frequency oscillation voltage, to reactor to be tested, apply the voltage of one minute higher magnitude, and again obtain the waveform of reactor output; Finally, the waveform relatively obtaining for twice, can judge the insulating property of reactor to be tested.
By the above, the invention provides a kind of dry empty formula reactor turn-to-turn insulation detector, realized the object of reactor inter-turn insulation defect being carried out to sensitive detection.
It will be understood by those skilled in the art that, when the dry empty formula reactor turn-to-turn insulation detector of stating in the use detects reactor, should follow the requirement of requirement, term and the test specification > > of ANSI/IEEE C57.21-1981 < < 500kvar more parallel reactor.
Concrete, in the dry empty formula reactor turn-to-turn insulation detector providing at above-described embodiment, high frequency oscillation module 3 comprises high-voltage rectification silicon stack 30, high voltage energy-storage capacitor 31 and ball discharge gap 32, as shown in Figure 2.
High-voltage rectification silicon stack 30, high voltage energy-storage capacitor 31 are connected with transformer 2, and ball discharge gap 32 is in parallel with high voltage energy-storage capacitor 31.
When testing, reactor to be tested is arranged between high voltage energy-storage capacitor 31 and ball discharge gap 32.
When the dry empty formula reactor turn-to-turn insulation detector that uses the present embodiment to provide is tested reactor to be tested, first, utilize pressure regulator 1 and transformer 2 regulating actions to the voltage in high frequency oscillation module 3, make high voltage energy-storage capacitor 31 be charged to the magnitude of voltage of a certain appointment, then, slowly adjust ball discharge gap 32, make it to be punctured under predefined charging voltage.After ball discharge gap 32 punctures, high voltage energy-storage capacitor 31 discharges to reactor to be tested by ball gap electric arc, thereby makes reactor to be tested obtain the high-frequency oscillation voltage of decay.
In this instructions, each embodiment adopts the mode of going forward one by one to describe, and each embodiment stresses is the difference with other embodiment, between each embodiment identical similar part mutually referring to.
Above-mentioned explanation to the disclosed embodiments, makes professional and technical personnel in the field can realize or use the present invention.To the multiple modification of these embodiment, will be apparent for those skilled in the art, General Principle as defined herein can, in the situation that not departing from the spirit or scope of the present invention, realize in other embodiments.Therefore, the present invention will can not be restricted to these embodiment shown in this article, but will meet the widest scope consistent with principle disclosed herein and features of novelty.
Claims (1)
1. do empty formula reactor turn-to-turn insulation detector for one kind, it is characterized in that, the transformer that comprises the pressure regulator that is connected with extraneous power supply, is connected with described pressure regulator and described pressure regulator output voltage can be heightened, be connected with described transformer and can and detect the oscillograph of waveform of the concussion voltage of described reactor output to be tested to the high frequency oscillation module of the high-frequency oscillation voltage of reactor output attenuatoin to be tested, and described high frequency oscillation module comprises high-voltage rectification silicon stack, high voltage energy-storage capacitor and adjustable ball discharge gap;
Described high-voltage rectification silicon stack, described high voltage energy-storage capacitor are connected with described transformer, and described ball discharge gap is in parallel with described high voltage energy-storage capacitor, and described reactor to be tested is arranged between described high voltage energy-storage capacitor and described ball discharge gap.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210568721.3A CN102981111B (en) | 2012-12-24 | 2012-12-24 | Interturn insulation detector for dry air reactor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210568721.3A CN102981111B (en) | 2012-12-24 | 2012-12-24 | Interturn insulation detector for dry air reactor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102981111A CN102981111A (en) | 2013-03-20 |
| CN102981111B true CN102981111B (en) | 2014-11-26 |
Family
ID=47855319
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210568721.3A Active CN102981111B (en) | 2012-12-24 | 2012-12-24 | Interturn insulation detector for dry air reactor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102981111B (en) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105738776B (en) * | 2014-12-08 | 2018-09-07 | 华北电力科学研究院有限责任公司 | A kind of detecting system and method for current-limiting reactor turn-to-turn defect |
| CN104515941A (en) * | 2014-12-24 | 2015-04-15 | 国家电网公司 | Electric reactor turn-insulating detection device based on pulse oscillation principle |
| CN105337508A (en) * | 2015-11-14 | 2016-02-17 | 哈尔滨理工大学 | Device for testing turn-to-turn insulation of electric reactor |
| CN106124941A (en) * | 2016-06-21 | 2016-11-16 | 宁波炯维电力科技有限公司 | Reactor turn-to-turn insulation diagnostic method |
| CN106226661A (en) * | 2016-07-17 | 2016-12-14 | 珠海蓝瑞盟电气有限公司 | Use detection structure and the method for succusion detection reactor turn-to-turn insulation fault |
| JP7115939B2 (en) * | 2018-09-04 | 2022-08-09 | エイブリック株式会社 | voltage regulator |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2798104Y (en) * | 2005-05-17 | 2006-07-19 | 王钰 | Tester for reactor turn-to-turn high-frequency oscillation |
| CN201681133U (en) * | 2010-05-12 | 2010-12-22 | 江少成 | Dry-type reactor interturn insulation detection device |
| CN101881802B (en) * | 2010-07-06 | 2012-07-04 | 西安交通大学 | Dry type hollow reactor interturn short circuit fault on-line real-time detection method |
| CN102520327B (en) * | 2012-01-10 | 2014-01-22 | 广东电网公司电力科学研究院 | Location system for turn-to-turn insulation defect of dry type air reactor |
| CN102520310B (en) * | 2012-01-10 | 2015-03-18 | 广东电网公司电力科学研究院 | System for positioning turn-to-turn insulation defect of dry air-core reactor |
| CN202994962U (en) * | 2012-12-24 | 2013-06-12 | 宁波电业局 | Turn-to-turn insulation detector for dry air reactor |
-
2012
- 2012-12-24 CN CN201210568721.3A patent/CN102981111B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN102981111A (en) | 2013-03-20 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102981111B (en) | Interturn insulation detector for dry air reactor | |
| CN104515941A (en) | Electric reactor turn-insulating detection device based on pulse oscillation principle | |
| CN204269765U (en) | A kind of transformer for power frequency withstand test and test unit | |
| CN102436897A (en) | Flexible Rogowski coil used for detecting direct-current system short-circuit current and method for designing same | |
| CN203519773U (en) | Portable dry-type air-core reactor turn-to-turn insulation pulse vibration test device | |
| CN106124941A (en) | Reactor turn-to-turn insulation diagnostic method | |
| CN204422710U (en) | A kind of oil-immersed type testing transformer | |
| CN106291123A (en) | A kind of method of direct measurement magnetic cell winding loss | |
| CN105675933A (en) | Ignition circuit of controllable discharge sphere gap in reactor inter-turn insulation detector | |
| CN202994962U (en) | Turn-to-turn insulation detector for dry air reactor | |
| CN104347258B (en) | A kind of insulation and error self-monitoring full Intelligent current transformer | |
| CN202041624U (en) | Direct-current high-voltage test integrated device for internal water cooling generator | |
| CN101907653B (en) | Signal acquisition and transmission device for high-voltage DC transmission converter valve | |
| CN202076061U (en) | Temporary winding for no-load loss testing of iron cores of distribution transformer | |
| CN107436399A (en) | High altitude localities 750kV shunt reactor local discharge test devices | |
| CN103424672A (en) | Large wind turbine generator stator insulation discharge starting and extinction voltage test method | |
| CN111220908A (en) | Stator core magnetization test method for avoiding 0-node resonance in flat wave compensation excitation | |
| CN106680744A (en) | Method for analyzing ferromagnetic features of sensing electricity taking device of high tension transmission line | |
| CN203561743U (en) | Performance testing device for voltage transformer | |
| CN101907652B (en) | Damping circuit current measuring device of high-voltage direct-current power transmission thyristor | |
| CN103605058A (en) | Device for carrying out partial discharge tests simultaneously on multiple sets of transformers | |
| CN204422571U (en) | A kind of inflatable testing transformer | |
| CN103487705A (en) | Quality control method for excitation characteristics of C-type iron core voltage transformer | |
| CN202495811U (en) | Power supply circuit for chain-type SVG module | |
| CN105161284B (en) | The resistance to voltage source manufacture method of high isolation |
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 |