CN105929275B - A kind of High-Voltage Electrical Appliances test loop triggering system and method using pulse transformer technology - Google Patents
A kind of High-Voltage Electrical Appliances test loop triggering system and method using pulse transformer technology Download PDFInfo
- Publication number
- CN105929275B CN105929275B CN201610279800.0A CN201610279800A CN105929275B CN 105929275 B CN105929275 B CN 105929275B CN 201610279800 A CN201610279800 A CN 201610279800A CN 105929275 B CN105929275 B CN 105929275B
- Authority
- CN
- China
- Prior art keywords
- voltage
- pulse transformer
- level
- triggered
- electrical appliances
- 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
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R1/00—Details of instruments or arrangements of the types included in groups G01R5/00 - G01R13/00 and G01R31/00
Abstract
The present invention provides a kind of High-Voltage Electrical Appliances test loop triggering system and method using pulse transformer technology, and the system comprises igniter ontologies and two-stage trigger circuit；Two-stage trigger circuit includes level-one trigger unit and two-stage triggering unit and sequentially connected pressure regulator, charging voltage device and rectification and protective loop；Igniter ontology includes at least two pairs of graphite nodule gaps；By using using two-stage pulse transformer as the two-stage trigger circuit system of core, due to its high-voltage pulse height, through success rate height, the whole dispersibility of triggering system is small, it can be within 50us, triggering control precision is greatly improved compared with original technology, the spacing of graphite nodule gap can reliably trigger in the range of 50mm, success rate is triggered under especially low charging voltage to greatly improve, ball ensures the reliability that link is triggered in High-Voltage Electrical Appliances test away from also flexible adjustable advantage simultaneously, to be greatly saved the time of test with lifting test efficiency, alleviate labor intensity.
Description
Technical field
It is specially a kind of using pulse transformer technology the present invention relates to AC and DC transmission High-Voltage Electrical Appliances experimental technique
Trigger system and method in High-Voltage Electrical Appliances test loop.
Background technique
Mode in super extra-high voltage electrical apparatus test usually using synthetic test is completed to test, and triggering system is synthesis examination
Whether essential important trigger device in testing, triggering system correctly can timely trigger, trigger ball ball away from whether suitable,
Resultant current after triggering whether can successfully run through and through the moment precision all extreme influences to synthetic test success
Rate.The prior art is to be directed to different voltages rank test away from adjustable trigger ball using ball and adjust suitable ball away from determination
Insulation and triggering distance.But it can't solve to trigger system because ball stand-off distance is from slightly present in existing High-Voltage Electrical Appliances test
It is small and pressure-resistant not enough to cause to shift to an earlier date self breakdown during the charging process, or since ball stand-off distance can not from slightly larger in trigger process
Though successfully running through or ball gap being through but due to leading to the problem too big through the dispersibility at moment apart from bigger than normal.
Summary of the invention
Aiming at the problems existing in the prior art, the present invention provides a kind of High-Voltage Electrical Appliances examination using pulse transformer technology
Test circuit triggering system and method, can in the case that larger ball away from be resistant to high voltage, improve and run through success rate, and reduce touching
The dispersibility of hair system.
The present invention is to be achieved through the following technical solutions:
A kind of High-Voltage Electrical Appliances test loop triggering system using pulse transformer technology, including igniter ontology and two
Grade trigger circuit；Two-stage trigger circuit includes level-one trigger unit and two-stage triggering unit and sequentially connected pressure regulator, fills
Piezoelectric voltage device and rectification and protective loop；Level-one trigger unit includes level-one pulse transformer, and is connected to level-one pulse change
The external trigger of depressor low-pressure side instructs electric signal；Two-stage triggering unit includes second level pulse transformer and high-voltage capacitor
And triggered gap；High-voltage capacitor one end is connect with rectification with the output end of protective loop, and the other end is connected to second level pulse change
The low-pressure side of depressor；Triggered gap one end is connect with the high-pressure side of level-one pulse transformer, the other end and second level pulse transformer
The ground terminal of low-pressure side connects；Igniter ontology includes at least two pairs of graphite nodule gaps；Last connects graphite nodule gap through load
Ground；One end of the tie point connection DC voltage isolating and protecting device of adjacent two pairs of graphite nodule gaps, DC voltage insulation blocking dress
The other end set is connect with the high-pressure side output end of second level pulse transformer.
Preferably, DC voltage isolating and protecting device includes sequentially connected protective resistance and protection capacitor.
Preferably, the high-pressure side of level-one pulse transformer is provided with the capacitor for protecting circuit.
Preferably, each pair of graphite nodule gap is parallel with one group and presses element.
Further, pressure element uses equalizing resistance and/or equalizing capacitance.
A kind of High-Voltage Electrical Appliances test loop triggering method using pulse transformer technology is based on triggering of the present invention
System includes the following steps,
Step 1, it is filled by sequentially connected pressure regulator, charging voltage device and rectification and protective loop to high-voltage capacitor
Electricity；
Step 2, when high-voltage capacitor charging reaches predetermined value, input external trigger instructs electric signal, and external trigger refers to
Electric signal is enabled to generate level-one pulse signal by level-one pulse transformer；
Step 3, triggered gap is triggered by level-one pulse signal, and high-voltage capacitor is by triggered gap and second level pulse transforming
Device low-pressure side constitutes circuit, and the high-pressure side of second level pulse transformer generates second level pulse signal, and second level pulse signal is as high pressure
Pulse is input to the tie point of adjacent two pairs of graphite nodule gaps through DC voltage isolating and protecting device；
Step 4, adjacent two pairs of graphite nodule gaps are triggered by high-voltage pulse, complete the triggering of High-Voltage Electrical Appliances test loop.
Compared with prior art, the invention has the following beneficial technical effects:
The present invention uses the two-stage trigger circuit system using two-stage pulse transformer as core, due to its high-voltage pulse
Height, high through success rate, the whole dispersibility of triggering system is small, can be within 50us, and trigger control precision has greatly compared with original technology
Width improves, and the spacing of graphite nodule gap can reliably trigger in the range of 50mm, and it is big that success rate is triggered under especially low charging voltage
Width improves, while ball ensures the reliability that link is triggered in High-Voltage Electrical Appliances test away from also flexible adjustable advantage, thus greatly
The time of test is saved with lifting test efficiency, while also mitigating the labor intensity of testing crew, graphite nodule gap ontology saves
The dielectric for having gone core and ball surface simplifies trigger device structure, eliminates the inconvenience of operating maintenance graphite core, mentions
High equipment operational reliability, time saving while also eliminating the security risk that personnel enter circuit.In summary originally
The completion of invention improves controlling test to the interval time during reducing test preparation and test, lifting test efficiency
Precision reduces testing crew labor intensity, ensures that the personal safety of testing crew is significant.Meanwhile two-stage triggers back
Road greatly reduces the parameter request of equipment component, so that component reliability and cost substantially reduce, structure type and land occupation
Area is also substantially integrated, the design requirement of Pass Test room.
Detailed description of the invention
Fig. 1 is the structure connection diagram of igniter ontology described in present example.
Fig. 2 is the structure connection block diagram of two-stage trigger circuit described in present example.
Fig. 3 is flow chart described in present example.
In figure, graphite nodule gap 1, equalizing resistance 2, pressure regulator 3, charging voltage device 4, rectification with protective loop 5, level-one pulse
Transformer 6, second level pulse transformer 7, triggered gap 8, high-voltage capacitor 9.
Specific embodiment
Below with reference to specific embodiment, the present invention is described in further detail, it is described be explanation of the invention and
It is not to limit.
It includes igniter sheet that the present invention, which triggers system in a kind of High-Voltage Electrical Appliances test loop using pulse transformer technology,
Body and two-stage trigger circuit；As shown in Figure 1, igniter ontology one end and the major loop charging electricity for being electrically charged device precharge
Container is connected, other end connection load.Two pairs of graphite nodule gaps 1 are used in this preferred embodiment；Igniter ontology relies on two pairs of stones
Tampon gap 1 connects major loop in test, and each pair of graphite nodule gap 1 includes two graphite hemisphere, two pairs of 1 clearance distances of graphite nodule gap
It is almost the same, by preferably the pressure element of equalizing resistance 2 being used to be pressed.Two-stage as Triggering Control System triggers back
The high-voltage pulse for triggering on road, output is inputted by the tie point of adjacent two pairs of graphite nodule gaps 1, and graphite gaps are punctured.
Igniter ontology uses insulating supporting over the ground, AC/DC high pressure when resistance test.
As shown in Fig. 2, two-stage trigger circuit includes level-one trigger unit and two-stage triggering unit and sequentially connected tune
Depressor 3, charging voltage device 4 and rectification and protective loop 5；Preferably triggered using level-one 20kV trigger unit and second level 500kV
Unit；Its workflow, i.e., triggering method process of the present invention are as shown in Figure 3.
1, level-one 20kV trigger unit.
6 low-pressure side of level-one pulse transformer is input to by external trigger instruction electric signal, and punctures the first order in high-pressure side
The triggered gap 8 in trigger unit circuit；
The low pressure side loop for connecting the second level pulse transformer 7 of two-stage triggering unit, generates the electric impulse signal of 20kV.
The second level pulse step down side that the triggered gap 8 in level-one trigger unit circuit is connected on two-stage triggering unit returns
Lu Zhong, after it is punctured by level-one pulse signal, two-stage triggering unit low pressure side loop is connected immediately.
2, second level 500kV trigger unit.
Connect major loop graphite ignition ball gap；After 7 low pressure side loop of second level pulse voltage device is switched on, the high pressure of 500kV
Pulse is loaded on the intermediate graphite hemisphere of two to light a fire in major loop graphite nodule gap, two intermediate graphite hemisphere, and two pairs
Graphite nodule gap 1 is punctured by high-voltage pulse.
Major loop is connected；Quilt is isolated after test starting in the igniter ontology being made of two pairs of graphite nodule gaps 1 and its attachment
The major loop charging capacitor of precharge, after the high-voltage pulse for receiving two-stage triggering unit, the breakdown electric discharge of graphite nodule gap,
Major loop, which is connected, completes test.
Claims (6)
1. system is triggered in a kind of High-Voltage Electrical Appliances test loop using pulse transformer technology, which is characterized in that filled including igniting
Set ontology and two-stage trigger circuit；
Two-stage trigger circuit includes level-one trigger unit and two-stage triggering unit and sequentially connected pressure regulator (3), charging electricity
Depressor (4) and rectification and protective loop (5)；
Level-one trigger unit includes level-one pulse transformer (6), and is connected to the outside of level-one pulse transformer (6) low-pressure side
Triggering command electric signal；
Two-stage triggering unit includes second level pulse transformer (7) and high-voltage capacitor (9) and triggered gap (8)；High-voltage capacitance
Device (9) one end is connect with rectification with the output end of protective loop (5), and the other end is connected to the low pressure of second level pulse transformer (7)
Side；Triggered gap (8) one end is connect with the high-pressure side of level-one pulse transformer (6), and the other end is low with second level pulse transformer (7)
Press the ground terminal connection of side；
Igniter ontology includes at least two pairs of graphite nodule gaps (1)；Last is to graphite nodule gap (1) through carrying ground；Adjacent two
To one end of the tie point of graphite nodule gap (1) connection DC voltage isolating and protecting device, DC voltage isolating and protecting device it is another
One end is connect with the high-pressure side output end of second level pulse transformer (7).
2. system is triggered in a kind of High-Voltage Electrical Appliances test loop using pulse transformer technology according to claim 1,
It is characterized in that, DC voltage isolating and protecting device includes sequentially connected protective resistance and protection capacitor.
3. system is triggered in a kind of High-Voltage Electrical Appliances test loop using pulse transformer technology according to claim 1,
It is characterized in that, the high-pressure side of level-one pulse transformer (6) is provided with the capacitor for protecting circuit.
4. system is triggered in a kind of High-Voltage Electrical Appliances test loop using pulse transformer technology according to claim 1,
It is characterized in that, each pair of graphite nodule gap (1) is parallel with one group and presses element.
5. system is triggered in a kind of High-Voltage Electrical Appliances test loop using pulse transformer technology according to claim 4,
It is characterized in that, pressure element uses equalizing resistance (2) and/or equalizing capacitance.
6. a kind of High-Voltage Electrical Appliances test loop triggering method using pulse transformer technology, which is characterized in that wanted based on right
Triggering system, includes the following steps described in asking 1,
Step 1, high-voltage capacitance is given with protective loop (5) by sequentially connected pressure regulator (3), charging voltage device (4) and rectification
Device (9) charging；
Step 2, when high-voltage capacitor (9) charging reaches predetermined value, input external trigger instructs electric signal, external trigger instruction
Electric signal generates level-one pulse signal by level-one pulse transformer (6)；
Step 3, triggered gap (8) is triggered by level-one pulse signal, and high-voltage capacitor (9) passes through triggered gap (8) and secondary vein
It rushes transformer (7) low-pressure side and constitutes circuit, the high-pressure side of second level pulse transformer (7) generates second level pulse signal, second level pulse
Signal is input to the tie point of adjacent two pairs of graphite nodule gaps (1) as high-voltage pulse through DC voltage isolating and protecting device；
Step 4, adjacent two pairs of graphite nodule gaps (1) are triggered by high-voltage pulse, complete the triggering of High-Voltage Electrical Appliances test loop.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610279800.0A CN105929275B (en) | 2016-04-28 | 2016-04-28 | A kind of High-Voltage Electrical Appliances test loop triggering system and method using pulse transformer technology |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610279800.0A CN105929275B (en) | 2016-04-28 | 2016-04-28 | A kind of High-Voltage Electrical Appliances test loop triggering system and method using pulse transformer technology |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105929275A CN105929275A (en) | 2016-09-07 |
| CN105929275B true CN105929275B (en) | 2019-01-25 |
Family
ID=56837619
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610279800.0A Active CN105929275B (en) | 2016-04-28 | 2016-04-28 | A kind of High-Voltage Electrical Appliances test loop triggering system and method using pulse transformer technology |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105929275B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109387758B (en) * | 2018-12-26 | 2024-03-19 | 中节能启源雷宇（江苏）电气科技有限公司 | Main loop ignition switching-on device in synthetic test loop |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20060124557A (en) * | 2005-05-30 | 2006-12-05 | 우시오덴키 가부시키가이샤 | Discharging lamp ignition circuit and discharging lamp ignition apparatus, light source apparatus |
| CN201819973U (en) * | 2010-10-29 | 2011-05-04 | 中国西电电气股份有限公司 | Device for making test of high-voltage circuit breaker |
| CN103248264A (en) * | 2013-04-27 | 2013-08-14 | 西安交通大学 | Trigger for triggering Trigatron gas switch |
| CN103579910A (en) * | 2013-10-25 | 2014-02-12 | 南方电网科学研究院有限责任公司 | Self-triggering voltage setting method of spark gap of 500kV series compensation system |
| CN104917167A (en) * | 2015-06-10 | 2015-09-16 | 中国南方电网有限责任公司超高压输电公司梧州局 | Plasma series compensation gap system |
| CN204945326U (en) * | 2015-07-22 | 2016-01-06 | 上海电气输配电试验中心有限公司 | A kind of Fast back-projection algorithm making test device based on active triggering |
-
2016
- 2016-04-28 CN CN201610279800.0A patent/CN105929275B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20060124557A (en) * | 2005-05-30 | 2006-12-05 | 우시오덴키 가부시키가이샤 | Discharging lamp ignition circuit and discharging lamp ignition apparatus, light source apparatus |
| CN201819973U (en) * | 2010-10-29 | 2011-05-04 | 中国西电电气股份有限公司 | Device for making test of high-voltage circuit breaker |
| CN103248264A (en) * | 2013-04-27 | 2013-08-14 | 西安交通大学 | Trigger for triggering Trigatron gas switch |
| CN103579910A (en) * | 2013-10-25 | 2014-02-12 | 南方电网科学研究院有限责任公司 | Self-triggering voltage setting method of spark gap of 500kV series compensation system |
| CN104917167A (en) * | 2015-06-10 | 2015-09-16 | 中国南方电网有限责任公司超高压输电公司梧州局 | Plasma series compensation gap system |
| CN204945326U (en) * | 2015-07-22 | 2016-01-06 | 上海电气输配电试验中心有限公司 | A kind of Fast back-projection algorithm making test device based on active triggering |
Non-Patent Citations (1)
| Title |
|---|
| 一种用于特高压断路器试验回路的点火装置;张海峰 等;《高压电器》;20150216;第51卷(第2期);第88页-第93页 |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105929275A (en) | 2016-09-07 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103969527B (en) | A kind of discharge and recharge life detecting device of high voltage ceramic capacitor | |
| CN103888015B (en) | High density high energy electric pulse generating means for Ageing Treatment | |
| CN201222073Y (en) | 10/350 Mum thunderbolt stream waveshape excitation device based on vacuum trigger switch tube | |
| CN105675933B (en) | The firing circuit of controlled discharge ball gap in reactor turn to turn insulation test device | |
| CN202565195U (en) | Device for generating high-voltage nanosecond pulses | |
| CN104793058B (en) | High-voltage insulating resistance monitoring alarm instrument and its method of work | |
| CN201321945Y (en) | Test device for ignition coil | |
| CN103809094A (en) | Field withstand voltage test protection device for ultra-long cable | |
| CN103558536A (en) | Circuit for testing overload tolerance capacity of series capacitor and working method of circuit | |
| CN104113187B (en) | Fast-response electric pulse based on the charging of primary pulse source triggers system and method | |
| CN201229390Y (en) | AC cable voltage test device | |
| CN107104364B (en) | A kind of plural serial stage the air gap high pressure controllably triggers discharge switch | |
| CN105929275B (en) | A kind of High-Voltage Electrical Appliances test loop triggering system and method using pulse transformer technology | |
| CN104007378B (en) | Testing device and method for damping discharging of series capacitor | |
| CN103926435A (en) | Power source for detecting transformer operation waves and inducting withstand voltage partial discharge | |
| CN204177919U (en) | Based on the high direct voltage impact system of air reactor | |
| CN105372618A (en) | 500kV voltage transformer check power source multi-stage reactive power compensation system | |
| CN101937058A (en) | Device and method for testing multi-wave fault current testing device in converter valve operating test | |
| CN106771813A (en) | A kind of Tesla transformer secondary coils break-make measuring method | |
| CN204945326U (en) | A kind of Fast back-projection algorithm making test device based on active triggering | |
| CN103954809A (en) | 250/2500 [mu]s operation impact voltage generator | |
| CN206193140U (en) | Air -core type reactor turn to turn short -circuit test circuit | |
| CN109655744A (en) | A kind of dc circuit breaker test voltage generative circuit and generation method | |
| CN109061417A (en) | A kind of long gap high current discharge system based on impacting with high pressure afterflow | |
| CN104569754A (en) | High-voltage electrical apparatus test triggering system and method applying plasma injection technology |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20210810 Address after: 710077 No. 18 West Second Ring Road, Shaanxi, Xi'an Patentee after: XI'AN HIGH VOLTAGE APPARATUS RESEARCH INSTITUTE Co.,Ltd. Address before: 710075 Shaanxi city of Xi'an Province Tang Hing Road No. 7 Patentee before: CHINA XD ELECTRIC Co.,Ltd. Patentee before: XI'AN HIGH VOLTAGE APPARATUS RESEARCH INSTITUTE Co.,Ltd. |
|
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 710077 No. 18 West Second Ring Road, Shaanxi, Xi'an Patentee after: Xi'an High Voltage Electrical Apparatus Research Institute Co.,Ltd. Address before: 710077 No. 18 West Second Ring Road, Shaanxi, Xi'an Patentee before: XI'AN HIGH VOLTAGE APPARATUS RESEARCH INSTITUTE Co.,Ltd. |