CN109444734A - Mimic-disconnecting switch calibrating installation - Google Patents
Mimic-disconnecting switch calibrating installation Download PDFInfo
- Publication number
- CN109444734A CN109444734A CN201811518519.3A CN201811518519A CN109444734A CN 109444734 A CN109444734 A CN 109444734A CN 201811518519 A CN201811518519 A CN 201811518519A CN 109444734 A CN109444734 A CN 109444734A
- Authority
- CN
- China
- Prior art keywords
- mimic
- disconnecting switch
- switch
- voltage
- oscillograph
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- 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.)
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Classifications
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- 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
- G01R31/327—Testing of circuit interrupters, switches or circuit-breakers
- G01R31/3271—Testing of circuit interrupters, switches or circuit-breakers of high voltage or medium voltage devices
- G01R31/3272—Apparatus, systems or circuits therefor
Abstract
The present invention relates to the technical fields of high-tension circuit breaker analog device, more particularly, to mimic-disconnecting switch calibrating installation.Mimic-disconnecting switch calibrating installation, wherein further include high-voltage switch mechanical characteristic tester including oscillograph, the current probe being connect with oscillograph；The oscillograph and current probe connection mimic-disconnecting switch measure the coil resistance resistance value of mimic-disconnecting switch；The high-voltage switch mechanical characteristic tester connection mimic-disconnecting switch measures the splitting or integrating lock time of mimic-disconnecting switch three-phase contact.The present invention can accurately measure the working principle of breaker on/off switch time using high-voltage switch gear mechanical tester.Current probe catches the electric current grabbed by oscilloscope display, calculates coil resistance resistance value according to Ohm's law.The characteristic parameters such as breaker three-phase combined floodgate, opening time, three-phase synchronism, coil resistance can be calibrated.
Description
Technical field
The present invention relates to the technical fields of high-tension circuit breaker analog device, more particularly, to mimic-disconnecting switch calibration cartridge
It sets.
Background technique
With the fast development of electric system, become more and more important to the status monitoring of power equipment.High-voltage circuitbreaker as it is defeated,
Emphasis equipment in power distribution network, needs care and maintenance.The effect of breaker is turned off and connects load circuit, disengagement failure electricity
Road.The utilization of breaker prevents fault spread, has ensured equipment safety operation.When power system device carries out interruption maintenance,
It needs to carry out test of many times to high-voltage circuitbreaker equipment, the tripping of high-voltage circuitbreaker, combined floodgate when in order to reduce reaying protection test
Number, each power supply system of national regulation should configure the specialized simulation breaker for meeting basic demand.
Mimic-disconnecting switch is usually matched with other conventional reaying protection test devices, as reaying protection test
And the breaker alternate device of recloser system test, the movement of breaker is accurate, reliable, and action frequency can not be by
Limitation, the tripping of high voltage breaker simulator and when feed motion behavior in total group test, completes relay protection breaker tripping and closing test,
It avoids causing adverse effect brought by breaker divide-shut brake repeatedly as duplicate total group test, greatly improves the correct of test
Property and integrality, reduce the action frequency of practical breaker to the maximum extent, improve service life, be reaying protection test work
The important corollary equipment made.
Time-parameters are the most important performance parameters of mimic-disconnecting switch tester, and the mimic-disconnecting switch splitting or integrating lock time is accurate
Sexual intercourse is related to the reliability of entire operation of power networks to the correctness of breaker time acting characteristic.It is therefore desirable to right
The performance parameter of mimic-disconnecting switch is studied.The measurement calibration method for meeting mimic-disconnecting switch device is made, guarantees magnitude
Accuracy.
A standard is formed there are no unified on the calibration method of mimic-disconnecting switch device at present, in power industry state
In terms of anti-military project, also without corresponding measurement verification regulations or calibrating standard.Its parameter, which is unable to get, effectively traces to the source.With electricity
The fast development of Lixing industry, mimic-disconnecting switch using more and more extensive, it is therefore necessary to the principle of such equipment, performance are joined
Number, experimental data, metering method are studied one by one, and make a set of calibrating installation suitable for mimic-disconnecting switch device.
Summary of the invention
The present invention in order to overcome at least one of the drawbacks of the prior art described above, provides mimic-disconnecting switch calibrating installation, solution
The problem of certainly mimic-disconnecting switch can not completely trace to the source, rationally, reliably, performance is stablized for calibrating installation design.
The technical scheme is that mimic-disconnecting switch calibrating installation, wherein connect including oscillograph, with oscillograph
Current probe further includes high-voltage switch mechanical characteristic tester；
The oscillograph and current probe connection mimic-disconnecting switch measure the coil resistance resistance value of mimic-disconnecting switch；Described
High-voltage switch mechanical characteristic tester connection mimic-disconnecting switch measures the splitting or integrating lock time of mimic-disconnecting switch three-phase contact.
In the present invention, the calibration of time calibration and coil resistance resistance value including mimic-disconnecting switch.The oscillograph, electricity
Stream probe can accurately measure the coil resistance resistance value of mimic-disconnecting switch, and high-voltage switch mechanical characteristic tester can be surveyed simultaneously
Measure the splitting or integrating lock time of mimic-disconnecting switch three-phase contact.Measure synchronism.
It further, being capable of accurately measure mimic-disconnecting switch splitting or integrating lock by high-voltage switch mechanical characteristic tester
Time.It reduces and introduces human error.More rationally reflect the performance parameters of mimic-disconnecting switch.
Further, it is combined by oscillograph with current probe, the resistance value of coil resistance can be measured, more comprehensively
Reflect the comprehensive performance of mimic-disconnecting switch.
It further, being capable of the accurately measure mimic-disconnecting switch three-phase same period by high-voltage switch mechanical characteristic tester
Property.
Further, the high-voltage switch mechanical characteristic tester is equipped with triggering end and fracture point, the simulation
Breaker is equipped with idle contact and on/off switch coil, and triggering end connects on/off switch coil, and fracture point connects idle contact.The mould
The idle contact of quasi- breaker is connected on the fracture point of high-voltage switch mechanical characteristic tester according to phase sequence one-to-one correspondence.Work as high pressure
Switch mechanical property detector external trigger terminal generates voltage signal, when being connected to mimic-disconnecting switch pulse input end, on/off switch line
Circle powers on the process for as time zero, just having divided (conjunction) just to complete as a time movement to dynamic and static contact.
Further, the mimic-disconnecting switch is connected with DC power supply, and current probe is connected to mimic-disconnecting switch and straight
On the connection circuit in galvanic electricity source.
Compared with prior art, beneficial effect is: the present invention can accurately be measured disconnected using high-voltage switch gear mechanical tester
The working principle of road device on/off switch time.Current probe catches the electric current grabbed by oscilloscope display, calculates line according to Ohm's law
Enclose resistance.The characteristic parameters such as breaker three-phase combined floodgate, opening time, three-phase synchronism, coil resistance can be calibrated.
Detailed description of the invention
Fig. 1 is splitting or integrating lock time measurement connection schematic diagram of the present invention.
Fig. 2 is coil resistance measurement connection schematic diagram of the present invention.
Specific embodiment
The attached figures are only used for illustrative purposes and cannot be understood as limitating the patent；In order to better illustrate this embodiment, attached
Scheme certain components to have omission, zoom in or out, does not represent the size of actual product；To those skilled in the art,
The omitting of some known structures and their instructions in the attached drawings are understandable.Being given for example only property of positional relationship is described in attached drawing
Illustrate, should not be understood as the limitation to this patent.
As shown in Figure 1, high-voltage switch mechanical characteristic tester 3 is equipped with triggering end 31 and fracture point 32, mimic-disconnecting switch 4
It is equipped with idle contact 41 and on/off switch coil 42, triggering end 31 connects on/off switch coil 42, and fracture point 32 connects idle contact 41.
In the present embodiment, the measurement of splitting or integrating lock time: the external trigger end 31 of high-voltage switch mechanical characteristic tester 3 is connected to
Mimic-disconnecting switch pulse input end (closes, breaking coil end), and the idle contact 41 of mimic-disconnecting switch is connected to according to phase sequence one-to-one correspondence
On the fracture point 32 of high-voltage switch mechanical characteristic tester.When high-voltage switch mechanical characteristic tester external trigger terminal generates voltage
Signal, when being connected to mimic-disconnecting switch pulse input end, on/off switch coil is powered on as time zero, has just been divided to dynamic and static contact
The process that (conjunction) is just completed as a time movement.
In Fig. 2, including oscillograph 1, the current probe 2 being connect with oscillograph 1, DC power supply 5, mimic-disconnecting switch 4, line
Circle resistance measurement: it is connect on the jump A or conjunction A terminal of coil with voltage of direct-flow voltage regulation source anode, cathode connects in common end, passes through
The voltage for adjusting voltage of direct-flow voltage regulation source, makes splitting or integrating lock coil-end act to form constant loop current, reads on oscillograph 1
Current value and voltage of direct-flow voltage regulation source on voltage value, pass through Ohm's law and calculate the corresponding resistance value of coil.DC voltage warp
Coil resistance, current probe 2 are crossed, oscillograph 1 forms the loop current of closure, passes through the waveform and current probe of oscilloscope display
Corresponding relationship obtains the characteristic parameter of the resistance.
In the present embodiment, when high-voltage switch mechanical characteristic tester mainly measures the closing time of mimic-disconnecting switch, separating brake
Between, three-phase asynchrony.Mimic-disconnecting switch switch motion is primary, just can be measured by high-voltage switch mechanical characteristic tester
The actuation time of mimic-disconnecting switch.
Obviously, the above embodiment of the present invention be only to clearly illustrate example of the present invention, and not be pair
The restriction of embodiments of the present invention.For those of ordinary skill in the art, may be used also on the basis of the above description
To make other variations or changes in different ways.There is no necessity and possibility to exhaust all the enbodiments.It is all this
Made any modifications, equivalent replacements, and improvements etc., should be included in the claims in the present invention within the spirit and principle of invention
Protection scope within.
Claims (4)
1. mimic-disconnecting switch calibrating installation, which is characterized in that including oscillograph (1), the current probe being connect with oscillograph (1)
It (2), further include high-voltage switch mechanical characteristic tester (3)；
The oscillograph (1) and current probe (2) connection mimic-disconnecting switch (4) measure the coil resistance resistance of mimic-disconnecting switch
Value；Mimic-disconnecting switch three-phase contact is measured in high-voltage switch mechanical characteristic tester (3) connection mimic-disconnecting switch (4)
The splitting or integrating lock time.
2. mimic-disconnecting switch calibrating installation according to claim 1, it is characterised in that: the High Voltage Breaker Mechanical Characteristic
Tester (3) is equipped with triggering end (31) and fracture point (32), and the mimic-disconnecting switch (4) is equipped with idle contact (41) and closes
Opening coil (42), triggering end (31) connect on/off switch coil (42), and fracture point (32) connects idle contact (41).
3. mimic-disconnecting switch calibrating installation according to claim 1, it is characterised in that: the mimic-disconnecting switch (4) is even
It is connected to DC power supply, current probe (2) is connected on the connection circuit of mimic-disconnecting switch (4) and DC power supply.
4. mimic-disconnecting switch calibrating installation according to claim 2, it is characterised in that: the sky of the mimic-disconnecting switch connects
Point is connected on the fracture point of high-voltage switch mechanical characteristic tester according to phase sequence one-to-one correspondence.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811518519.3A CN109444734A (en) | 2018-12-12 | 2018-12-12 | Mimic-disconnecting switch calibrating installation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811518519.3A CN109444734A (en) | 2018-12-12 | 2018-12-12 | Mimic-disconnecting switch calibrating installation |
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| Publication Number | Publication Date |
|---|---|
| CN109444734A true CN109444734A (en) | 2019-03-08 |
Family
ID=65557991
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811518519.3A Pending CN109444734A (en) | 2018-12-12 | 2018-12-12 | Mimic-disconnecting switch calibrating installation |
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| Country | Link |
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| CN (1) | CN109444734A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110967659A (en) * | 2019-12-24 | 2020-04-07 | 贵州航天计量测试技术研究所 | Calibration device, system and method for relay comprehensive tester |
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|---|---|---|---|---|
| CN202522680U (en) * | 2012-04-27 | 2012-11-07 | 西安合电电气有限公司 | Circuit breaker detection device |
| CN202676871U (en) * | 2012-06-12 | 2013-01-16 | 长沙博为电气有限公司 | Breaker testing stand |
| CN103698695A (en) * | 2013-09-11 | 2014-04-02 | 广西电网公司电力科学研究院 | Multifunctional electrical characteristic testing device and testing method for high-voltage circuit breaker |
| CN203705604U (en) * | 2013-11-26 | 2014-07-09 | 国家电网公司 | High-voltage circuit breaker status on-line monitoring system |
| CN204479715U (en) * | 2015-03-24 | 2015-07-15 | 武汉市合众电气设备制造有限公司 | A kind of high-voltage switch mechanical characteristic tester |
| CN105203947A (en) * | 2015-08-27 | 2015-12-30 | 国网安徽省电力公司阜阳供电公司 | Performance characteristic testing method of high-voltage circuit breaker |
| CN205450240U (en) * | 2016-03-03 | 2016-08-10 | 广州市高铁计量检测维修有限公司 | High -voltage switch mechanical characteristic test examination appearance |
| CN205562759U (en) * | 2016-05-04 | 2016-09-07 | 烟台东方威思顿电气股份有限公司 | Miniature circuit breaker capability test device |
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2018
- 2018-12-12 CN CN201811518519.3A patent/CN109444734A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202522680U (en) * | 2012-04-27 | 2012-11-07 | 西安合电电气有限公司 | Circuit breaker detection device |
| CN202676871U (en) * | 2012-06-12 | 2013-01-16 | 长沙博为电气有限公司 | Breaker testing stand |
| CN103698695A (en) * | 2013-09-11 | 2014-04-02 | 广西电网公司电力科学研究院 | Multifunctional electrical characteristic testing device and testing method for high-voltage circuit breaker |
| CN203705604U (en) * | 2013-11-26 | 2014-07-09 | 国家电网公司 | High-voltage circuit breaker status on-line monitoring system |
| CN204479715U (en) * | 2015-03-24 | 2015-07-15 | 武汉市合众电气设备制造有限公司 | A kind of high-voltage switch mechanical characteristic tester |
| CN105203947A (en) * | 2015-08-27 | 2015-12-30 | 国网安徽省电力公司阜阳供电公司 | Performance characteristic testing method of high-voltage circuit breaker |
| CN205450240U (en) * | 2016-03-03 | 2016-08-10 | 广州市高铁计量检测维修有限公司 | High -voltage switch mechanical characteristic test examination appearance |
| CN205562759U (en) * | 2016-05-04 | 2016-09-07 | 烟台东方威思顿电气股份有限公司 | Miniature circuit breaker capability test device |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110967659A (en) * | 2019-12-24 | 2020-04-07 | 贵州航天计量测试技术研究所 | Calibration device, system and method for relay comprehensive tester |
| CN110967659B (en) * | 2019-12-24 | 2022-02-25 | 贵州航天计量测试技术研究所 | Calibration device, system and method for relay comprehensive tester |
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Application publication date: 20190308 |
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| RJ01 | Rejection of invention patent application after publication |