CN206411236U - High-tension circuit breaker analog device - Google Patents
High-tension circuit breaker analog device Download PDFInfo
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- CN206411236U CN206411236U CN201720125271.9U CN201720125271U CN206411236U CN 206411236 U CN206411236 U CN 206411236U CN 201720125271 U CN201720125271 U CN 201720125271U CN 206411236 U CN206411236 U CN 206411236U
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Abstract
This application discloses a kind of high-tension circuit breaker analog device, the high-tension circuit breaker analog device includes dielectric chamber, static contact, moving contact, insulated tension pole and current-limiting resistance, dielectric chamber includes chamber body and covered to be provided with charge valve on the upper lid on chamber body, upper lid；The upper end of static contact is fixed on lid, and the lower end of static contact is located inside dielectric chamber；The bottom of moving contact break-through chamber body, the upper end of moving contact is located inside dielectric chamber, and the lower end of moving contact is located at outside dielectric chamber；The lower end of static contact and the upper end of moving contact are just relative；One end of insulated tension pole and the lower end of moving contact are connected, and the other end of insulated tension pole is free end；One end of current-limiting resistance is electrically connected with the lower end of moving contact.The high-tension circuit breaker analog device of the application can simulate actual primary cut-out to carry out folding test at any time, realize convenient and swift, cheap and continuous test.
Description
Technical field
The application is related to primary cut-out field, more particularly to a kind of high-tension circuit breaker analog device.
Background technology
There is very crucial effect in modern power systems mesohigh breaker.On the one hand, primary cut-out can rise
Control action, can be according to operation of power networks the need for, by partial electric equipment or circuit input or it is out of service.On the other hand,
Primary cut-out can also shield, and when electrical equipment or power circuit break down, protective relaying device sends jump
Lock signal, starts primary cut-out, faulty component equipment or circuit is cut off rapidly from power network, it is ensured that fault-free portion in power network
The normal operation divided.Because primary cut-out is most important for the safe and stable operation of network system, thus to high pressure open circuit
The performance test of device just has very important significance for the safety of system.Wherein, to the moving process of primary cut-out
Test is exactly the important process of the service behaviour of a testing high voltage breaker.
At this stage, the folding to primary cut-out tests main by the way of on-the-spot test or experiment station's test.Scene
Test generally carries out repeatedly continuous folding in the fixation time between overhauls(TBO) of circuit to breaker and tested.Test at the scene and experiment station
In test, test device generally includes the power supply of Large Copacity, and power supply is touched by the dynamic of the primary cut-out to scene or experiment station
Head and static contact apply high voltage, and the performance of primary cut-out during testing dynamic/static contact switch closing and switch opening, that is, test are high
Performance in voltage breaker moving process.
However, being the key node in circuit due to the primary cut-out put into operation when testing at the scene, it is impossible to
When act, the fixation time between overhauls(TBO) of circuit can only be waited to be tested, if carrying out repeatedly continuous folding test in addition, also can
The electric life of extreme influence breaker.When being tested in experiment station, test current is very big, it is necessary to Large Copacity power supply, equipment it is huge and
Operation inconvenience, causes the expense of measurement high, it is impossible to accomplish follow-on test.Therefore need high-tension circuit breaker analog device to realize
More convenient and cheap test, to carry out more deep analysis and research to the performance of primary cut-out.
Utility model content
In order to solve the above-mentioned technical problem, actual height can be simulated this application provides a kind of high-tension circuit breaker analog device
Voltage breaker carries out folding test at any time, realizes convenient and swift, cheap and continuous test.
According to the utility model embodiment, there is provided a kind of high-tension circuit breaker analog device, primary cut-out simulation dress
Put including dielectric chamber, static contact, moving contact, insulated tension pole and current-limiting resistance, dielectric chamber includes chamber body and covered in chamber
Charge valve is installed on upper lid on body, upper lid；The upper end of static contact is fixed on lid, and the lower end of static contact is located at insulation
Inside cavity；The bottom of moving contact break-through chamber body, moving contact upper end is located inside dielectric chamber, and moving contact lower end is located at insulation
Containment portion；Static contact lower end is just relative with moving contact upper end；One end of insulated tension pole and the lower end of moving contact are connected, and insulation is drawn
The other end of bar is free end；One end of current-limiting resistance is electrically connected with the lower end of moving contact.
According to one embodiment of the present utility model, dielectric chamber is safety glass structure.
According to one embodiment of the present utility model, high-tension circuit breaker analog device also includes hollow pedestal, chamber body
Bottom be fixed on the top of pedestal, the top of moving contact also break-through pedestal, the side wall of insulated tension pole break-through pedestal, insulation draw
One end being connected with moving contact of bar is located at base interior, and the free end of insulated tension pole is stretched out outside the side wall.
According to one embodiment of the present utility model, the lower end of static contact is arranged to slotted eye, the upper end of moving contact and slotted eye
Mutually agree with.
According to one embodiment of the present utility model, high-tension circuit breaker analog device also includes power supply, an end of power supply
Son is electrically connected with the upper end of static contact, and another terminal of power supply and one end not being connected with moving contact of current-limiting resistance are electrically connected
Connect.
According to one embodiment of the present utility model, one end not being connected with moving contact of current-limiting resistance is provided with electricity and connect
Mouthful, electrical interface and power electric connection.
Switch is electrically connected with according to one embodiment of the present utility model, between static contact and power supply.
Therefore, the utility model embodiment provides a kind of high-tension circuit breaker analog device, primary cut-out simulation
Device includes dielectric chamber, static contact, moving contact, insulated tension pole and current-limiting resistance, and dielectric chamber includes chamber body and covered
Charge valve is installed on upper lid on chamber body, upper lid；The upper end of static contact is fixed on lid, and the lower end of static contact is located at absolutely
Edge inside cavity；The bottom of moving contact break-through chamber body, the upper end of moving contact is located inside dielectric chamber, the lower end position of moving contact
Outside dielectric chamber；The lower end of static contact and the upper end of moving contact are just relative；One end of insulated tension pole is arranged on moving contact,
The other end of insulated tension pole is free end；One end of current-limiting resistance is electrically connected with the lower end of moving contact.Therefore, the utility model is real
Apply the high-tension circuit breaker analog device of example can simulate actual primary cut-out be carried out continuously whenever and wherever possible folding test, while this
The high-tension circuit breaker analog device of application greatly reduces the power capacity of test power by accessing current-limiting resistance, while pole
The volume and weight of test system is reduced greatly, test is more facilitated, convenient and swift, cheap and continuous high pressure open circuit is realized
Device folding is tested.
Brief description of the drawings
In order to illustrate more clearly of the technical scheme of the application, letter will be made to the required accompanying drawing used in embodiment below
Singly introduce, it should be apparent that, for those of ordinary skills, without having to pay creative labor,
Other accompanying drawings can also be obtained according to these accompanying drawings.
Fig. 1 is the structural representation of the application high-tension circuit breaker analog device；
Fig. 2 is schematic diagram when the application high-tension circuit breaker analog device connects power supply；
Fig. 3 is the schematic diagram that simulation test is carried out using the high-tension circuit breaker analog device of the application；
Fig. 4 is the flow chart of the primary cut-out analog detection method of the application；
Fig. 5 simulates the SF of different pressure for the high-tension circuit breaker analog device of the application6The side of test is performed during breaker
Method；
Fig. 6 is the different SF of the high-tension circuit breaker analog device simulation moving contact ablation degree of the application6Held during breaker
The method of row test；
In Fig. 1 into Fig. 6, reference is represented：
1- dielectric chambers, 2- static contacts, 3- moving contacts, 4- pedestals, 5- insulated tension poles, 6- current-limiting resistances, 7- charge valves, 8-
Covered on power supply, 9- switches, 11- chamber bodies, 12-, 61- electrical interfaces.
Embodiment
High-tension circuit breaker analog device and height according to the utility model embodiment is described with reference to the accompanying drawings and examples
Voltage breaker analog detection method.
The structural representation for the high-tension circuit breaker analog device that Fig. 1 provides for the utility model embodiment.As shown in figure 1,
High-tension circuit breaker analog device can include dielectric chamber 1, static contact 2, moving contact 3, insulated tension pole 5 and current-limiting resistance 6.Insulation
Cavity 1 includes chamber body 11 and covers the upper lid 12 on chamber body 11.Specifically, upper lid 12, which can rotate, covers in chamber body
On 11, or upper lid 12 can be fixed by screws on chamber body 11.Charge valve 7 is installed on upper lid 12.Charge valve is set
7, it can be evacuated or inflate convenient for dielectric chamber 1.For example, opening charge valve 7, dielectric chamber 1 is vacuumized, is then charged with
SF6Charge valve 7 is closed after gas.So, SF can be simulated6Primary cut-out.SF6The pressure of gas can be according to test needs
And adjust, for testing the SF under different pressure6The folding performance of primary cut-out.The upper end of static contact 2 is fixed on lid 12
On, the lower end of static contact 2 is located inside dielectric chamber 1.The bottom of the break-through chamber body 11 of moving contact 3, the upper end of moving contact 3 is located at
Inside dielectric chamber 1, the lower end of moving contact 3 is located at outside dielectric chamber 1.The lower end of static contact 2 and the upper end positive of moving contact 3
It is right.One end of insulated tension pole 5 is arranged on moving contact 3, is connected with the lower end of moving contact 3, and the other end of insulated tension pole 5 is freely
End.So, insulated tension pole 5 is pulled, it is possible to drive the upper end of moving contact 3 to move back and forth above and below the inside of dielectric chamber 1, so that it may
To adjust the distance between static contact 2 and moving contact 3.Insulated tension pole 5 is pulled, static contact 2 is separated with moving contact 3, height is broken
Road device analogue means is in gate-dividing state, i.e., in open state.Insulated tension pole 5 is pulled, static contact 2 is contacted with moving contact 3, it is high
Voltage breaker analogue means is in "on" position, i.e., in conjunction state.In addition, one end of current-limiting resistance 6 and the lower end of moving contact 3
Electrical connection.It is not in high current that the access of current-limiting resistance 6, which ensure that in whole test process, therefore to the voltage of experiment power supply
It is required that greatly reduction.
In one embodiment of the present utility model, prevented between the side wall of upper lid 12 and chamber body 11 with rubber ring seal
Gas is leaked.The bottom of chamber body 11 is by the break-through of moving contact 3, and moving contact 3 is same with the contact position of the bottom of chamber body 11 to use rubber
The inside and outside air pressure of rubber gasket isolation, will not so cause the internal gas of dielectric chamber 1 to be lost when moving contact 3 is moved up and down,
Extraneous gas can not enter when the inside of dielectric chamber 1 is vacuum.
In one embodiment of the present utility model, dielectric chamber 1 is safety glass structure.Dielectric chamber 1 is arranged to
Safety glass structure, dielectric chamber 1 is transparent, and the static contact 2 inside dielectric chamber 1 can be clearly viewed so as to tester
With the combined floodgate and gate-dividing state of moving contact 3.
In one embodiment of the present utility model, as shown in figure 1, high-tension circuit breaker analog device can also include it is hollow
Pedestal 4.The bottom of chamber body 11 is fixed on the top of pedestal 4, the top of the also break-through pedestal 4 of moving contact 3, insulated tension pole 5
The side wall of break-through pedestal 4, one end being connected with moving contact 3 of insulated tension pole 5 is located inside pedestal 4, the free end of insulated tension pole 5
Outside protruding side wall.Pedestal 4 is set for dielectric chamber 1, it is ensured that dielectric chamber 1 is firm when pulling insulated tension pole 5.
As shown in figure 1, the lower end of static contact 2 can be arranged to slotted eye, the upper end of moving contact 3 is mutually agreed with slotted eye.It is dynamic to touch
First 3 under the drive of insulated tension pole 5 when up being moved, and the lower end of static contact 2 is inserted in the upper end of moving contact 3, and static contact 2 is touched with dynamic
First 3 contact, high-tension circuit breaker analog device closes a floodgate.
In the utility model one embodiment, as shown in Fig. 2 high-tension circuit breaker analog device also includes power supply 8, power supply
8 terminal is electrically connected with the upper end of static contact 2, another terminal of power supply 8 and not connecting with moving contact 3 for current-limiting resistance 6
One end electrical connection connect.Power supply 8 can apply voltage to high-tension circuit breaker analog device, and high-tension circuit breaker analog device is opened
Performance is closed to be tested.
As shown in Fig. 2 one end of current-limiting resistance 6 is electrically connected with the lower end of moving contact 3, current-limiting resistance 6 not with moving contact 3
One end of connection is provided with electrical interface 61, and electrical interface 61 is electrically connected with the power supply 8.Electrical interface 61 is set, can be easily real
The electrical connection of existing high-tension circuit breaker analog device and power supply 8, in other words easily can apply to high-tension circuit breaker analog device
Voltage.
As shown in Fig. 2 being operated for convenience of the actual test of tester, it can be electrically connected with out between static contact 2 and power supply 8
Close 9.By closing and shut-off switch 9, can easily beginning and end high-tension circuit breaker analog device test operation.
Below in conjunction with Fig. 3, it is described in detail and carries out height using the high-tension circuit breaker analog device of the utility model embodiment
The method of voltage breaker simulation test.Fig. 3 is to be simulated using the high-tension circuit breaker analog device of the utility model embodiment
The schematic diagram of test.As shown in figure 3, when carrying out simulation test, upper end and current-limiting resistance 6 to static contact 2 are not touched with dynamic
One end of first 3 connection applies alternating voltage.Moving contact 3 is moved up and down under the drive of insulated tension pole 5 in dielectric chamber 1.It is quiet
When contact 2 and moving contact 3 are separated, performance when breaker is opened a sluice gate can be tested.When static contact 2 and the contact of moving contact 3, it can survey
Try performance during breaker closing.
Illustrate the primary cut-out analog detection method of the application with reference to Fig. 4.Fig. 4 is the primary cut-out of the application
The flow chart of analog detection method.As shown in figure 4, the primary cut-out analog detection method of the utility model embodiment can be wrapped
Include following steps.
Step S1, opens charge valve 7, dielectric chamber 1 is vacuumized.
Step S2, SF is filled with dielectric chamber 16Gas, works as SF6Gas reaches closing charge valve 7 after default pressure.
Step S3, one end not being connected with moving contact 3 of upper end and current-limiting resistance 6 to static contact 2 applies voltage.Specifically
Ground, can apply alternating voltage.
Step S4, pulls the distance between insulated tension pole 5, adjustment static contact 2 and moving contact 3, detect respectively static contact 2 with
Moving contact 3 is when closing a floodgate and during separating brake, current signal and electromagnetic wave signal between static contact 2 and moving contact 3.
The current signal and electromagnetic wave signal between static contact 2 and moving contact 3 are detected, specifically, static contact 2 can be detected
The current signal (i.e. breaker closes electric current) and electromagnetic wave signal of "on" position between moving contact 3, and detection static contact 2
The current signal (i.e. breaker opens electric current) for opening a sluice gate state and electromagnetic wave signal between moving contact 3.Pass through "on" position
Current signal and the current signal for opening a sluice gate state, can analyze the folding condition of breaker, and then assess the folding of breaker
Energy.Here, the application can simulate SF6Primary cut-out, to SF6The folding performance of primary cut-out carries out test assessment.
For example, the current signal by detecting "on" position, knows that electric current is passed through from zero to stationary value from current signal
Time, current amplitude fluctuation, the maximum of electric current etc., so as to assess breaker, to reach the speed of conjunction, conjunction state stable
Property, conjunction state dynamic/static contact contact resistance size etc. close performance., can be with addition, the electromagnetic wave signal by detecting "on" position
Analyze the dynamic change situation of conjunction performance of the breaker under alternating voltage.
For another example opening a sluice gate the current signal of state by detection, know electric current from stationary value to zero institute from current signal
Time of warp, current amplitude fluctuation etc., close to the speed, open state stability opened etc. so as to assessing breaker and open performance.
In addition, opening a sluice gate the electromagnetic wave signal of state by detection, the dynamic change of opening performance of the breaker under alternating voltage can be analyzed
Change situation.
It is appreciated that in actual test, current signal can be measured using oscillograph, electromagnetism can be received with antenna
Ripple signal, follow-up feeding processor is processed into electric signal.It is, of course, also possible to using any reasonable and practical Other Instruments or device
To measure current signal and electromagnetic wave signal.
As described above, high-tension circuit breaker analog device can also include hollow pedestal 4.When being tested, in high pressure
The stationary contact of mimic-disconnecting switch analogue means and current-limiting resistance end apply voltage, and pedestal 4 is grounded.The free end of insulated tension pole 5
Certain distance is kept to ensure the personal safety of tester with pedestal 4.Whole analogue means is extremely low to the capacity requirement of power supply,
Because the current-limiting resistance 6 accessed in series loop limits the electric current in loop in breaker closing.
The SF of different pressure is simulated in conjunction with Fig. 5 high-tension circuit breaker analog devices for describing the application below6During breaker
The method for performing test.Referring to Fig. 5, primary cut-out analog detection method can also include：
Step S5, is filled with the SF of different pressure in dielectric chamber 16Gas, with reference to step S3 and step S4, is detected respectively
The SF of different pressure6Current signal and electricity under atmosphere during dynamic/static contact switch closing and switch opening between static contact 2 and moving contact 3
Magnetostatic wave signal.So, it is filled with the SF of different pressure6Gas can simulate different types of SF6The working condition of primary cut-out,
So as to the SF of test different types6The folding performance of primary cut-out.
Moving contact ablation degree to be simulated in conjunction with Fig. 6 high-tension circuit breaker analog devices for describing the application different below
SF6The method that test is performed during breaker.Referring to Fig. 6, primary cut-out analog detection method can also include：
Step S6, moving contact 3 is replaced by the moving contact of different ablation degree, with reference to step S3 and step S4, is surveyed respectively
Measure the electromagnetic wave signal between the moving contact and static contact 2 of different ablation degree during dynamic/static contact switch closing and switch opening.
In the high-tension circuit breaker analog device of the utility model embodiment, lid 11 can be opened, easily more
Move contact 3.In breaker in actual use, short circuit occurs in circuit, breaker experience short circuit current flow can be inevitable
Ablation is caused to moving contact.In addition, breaker is opened a sluice gate and has electric arc generation when closing a floodgate, the moving contact of meeting ablation breaker.Open circuit
Device use time is longer, and moving contact ablation degree can be increasingly severe.There is the contact electricity between ablation, dynamic/static contact in moving contact
Resistance can become big, cause breaker to generate heat, hydraulic performance decline during breaker closing.When moving contact ablation is serious, even if pulling insulation
Pull bar 5 arrives closing position, and moving contact will not also be contacted with static contact, cause purpose of breaker failure.Therefore, the ablation degree of moving contact
It is one of the deciding factor in breaker life-span.The electromagnetic wave signal given off when breaker is opened a sluice gate and closed a floodgate between dynamic/static contact
The ablation degree of contact can be reflected, when contact of breaker ablation is serious, its electromagnetic wave signal given off can be distorted.
In the utility model embodiment, the moving contact that moving contact 3 is different ablation degree is changed, SF can be simulated6Primary cut-out
(the SF under different operating modes6The use time of primary cut-out is different, and the ablation degree of moving contact is different) folding performance.
In summary, the folding performance test of primary cut-out is carried out using above-mentioned high-tension circuit-breaker analogue means, it is excellent
Gesture mainly includes：First, greatly reduce the power capacity of test power, while greatly reduce test system volume and
Weight, makes test more facilitate；Second, it is not necessary to carry out field test again, can be tested at any time, saved the plenty of time into
This；3rd, the high-tension circuit breaker analog device of the application has substantially identical basic structure with actual breaker, can be complete
The main performance of equivalent breaker, has good booster action to work such as the Endurance Predictions of breaker.
In addition, by optimizing detailed design, can further improve the primary cut-out simulation of the utility model embodiment
In terms of the performance of device, including the equivalence with actual breaker, security, reliability.Broken using three groups of identical height
Road device analogue means, three groups of high-tension circuit breaker analog devices are used three-phase circuit wiring and powered with three phase mains, can also be simulated
Some phenomenons under the actual condition of three-phase breaker.
Therefore, the agent structure of the high-tension circuit breaker analog device of the application and the structure base of actual high-voltage breaker
This is identical, when applying voltage to high-tension circuit breaker analog device and controlling its contact action, the phenomenon with actual breaker actuation
It is similar with property.Due to being mounted with current-limiting resistance in high-tension circuit breaker analog device, electric current and reality during breaker closing
Operating mode gap is larger, but reflects in the measurement results, and the proportional change of amplitude is showed only as when breaker feature is identical, can
The electric current or electromagnetism wave amplitude that obtain under actual measuring state are calculated to be directly opposite.In test process, first according to test needs
The gas atmosphere in dielectric chamber 1 is set, is then tested using the high-tension circuit breaker analog device of the utility model embodiment
Breaker folding performance, can detect the characteristic quantity for needing to measure (for example, above-mentioned current signal using different types of sensor
And electromagnetic wave signal), the state that breaker is further judged by analyzing this tittle or the state change for analyzing breaker become
Gesture etc..In addition, by forming the SF that vacuum chamber is then charged with different air pressure to the pumping of dielectric chamber 16Gas, can simulate difference
The SF of type6The working condition of primary cut-out and test its folding performance.In addition, by being replaced by different ablation degree
Moving contact, can simulate the primary cut-out of different use times and test its folding performance.
In summary, the high-tension circuit breaker analog device of the application can be simulated under a variety of different models, different operating modes
Breaker, using flexible.Current-limiting resistance has been accessed, the capacity of power supply is greatly reduced, the cost of breaker test is reduced.Profit
Breaker folding performance test can be realized whenever and wherever possible with the primary cut-out analog detection method of the application.
Claims (7)
1. a kind of high-tension circuit breaker analog device, it is characterised in that the high-tension circuit breaker analog device includes dielectric chamber
(1), static contact (2), moving contact (3), insulated tension pole (5) and current-limiting resistance (6),
The dielectric chamber (1) includes chamber body (11) and covers the upper lid (12) on the chamber body (11), the upper lid
(12) charge valve (7) is installed on；
The upper end of the static contact (2) is fixed on the upper lid (12), and the lower end of the static contact (2) is located at the insulated cavity
Body (1) is internal；
The bottom of chamber body (11) described in moving contact (3) break-through, the upper end of the moving contact (3) is located at the dielectric chamber
(1) internal, the lower end of the moving contact (3) is located at the dielectric chamber (1) outside；
The lower end of the static contact (2) is just relative with the upper end of the moving contact (3)；
One end of the insulated tension pole (5) is connected with the lower end of the moving contact (3), and the other end of the insulated tension pole (5) is
Free end；
One end of the current-limiting resistance (6) is electrically connected with the lower end of the moving contact (3).
2. high-tension circuit breaker analog device according to claim 1, it is characterised in that the dielectric chamber (1) is tempering
Glass structure.
3. high-tension circuit breaker analog device according to claim 1, it is characterised in that the high-tension circuit breaker analog device
Also include hollow pedestal (4), the bottom of the chamber body (11) is fixed on the top of the pedestal (4), the moving contact
(3) top of pedestal (4) described in break-through, the side wall of pedestal (4), the insulated tension pole described in insulated tension pole (5) break-through are gone back
(5) one end being connected with the moving contact (3) is located at the pedestal (4) inside, and the free end of the insulated tension pole (5) is stretched out
Outside the side wall.
4. high-tension circuit breaker analog device according to claim 1, it is characterised in that the lower end of the static contact (2) is set
Slotted eye is set to, the upper end of the moving contact (3) is mutually agreed with the slotted eye.
5. high-tension circuit breaker analog device according to claim 1, it is characterised in that the high-tension circuit breaker analog device
Also include power supply (8), a terminal of the power supply (8) is electrically connected with the upper end of the static contact (2), the power supply (8)
Another terminal is electrically connected with one end not being connected with the moving contact (3) of the current-limiting resistance (6).
6. high-tension circuit breaker analog device according to claim 5, it is characterised in that the current-limiting resistance (6) not with
One end of moving contact (3) connection is provided with electrical interface (61), and the electrical interface (61) electrically connects with the power supply (8).
7. high-tension circuit breaker analog device according to claim 5, it is characterised in that the static contact (2) and the electricity
Switch (9) is electrically connected between source (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720125271.9U CN206411236U (en) | 2017-02-10 | 2017-02-10 | High-tension circuit breaker analog device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720125271.9U CN206411236U (en) | 2017-02-10 | 2017-02-10 | High-tension circuit breaker analog device |
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| Publication Number | Publication Date |
|---|---|
| CN206411236U true CN206411236U (en) | 2017-08-15 |
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ID=59557765
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| CN201720125271.9U Active CN206411236U (en) | 2017-02-10 | 2017-02-10 | High-tension circuit breaker analog device |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106646218A (en) * | 2017-02-10 | 2017-05-10 | 云南电网有限责任公司电力科学研究院 | Device for simulating high-voltage circuit breakers and method for simulating and testing same |
| CN112713060A (en) * | 2020-11-17 | 2021-04-27 | 河南省高压电器研究所有限公司 | High-voltage switch equipment |
| CN113848047A (en) * | 2021-09-28 | 2021-12-28 | 江苏大烨智能电气股份有限公司 | Structure and method for directly measuring opening distance and over travel of circuit breaker |
-
2017
- 2017-02-10 CN CN201720125271.9U patent/CN206411236U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106646218A (en) * | 2017-02-10 | 2017-05-10 | 云南电网有限责任公司电力科学研究院 | Device for simulating high-voltage circuit breakers and method for simulating and testing same |
| CN112713060A (en) * | 2020-11-17 | 2021-04-27 | 河南省高压电器研究所有限公司 | High-voltage switch equipment |
| CN113848047A (en) * | 2021-09-28 | 2021-12-28 | 江苏大烨智能电气股份有限公司 | Structure and method for directly measuring opening distance and over travel of circuit breaker |
| CN113848047B (en) * | 2021-09-28 | 2024-05-28 | 江苏大烨智能电气股份有限公司 | Structure and method for measuring open-range over-travel of breaker through direct motion |
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Effective date of registration: 20210422 Address after: Yunda economic and Technological Development Zone in Yunnan province Kunming city 650217 West Road No. 105 Patentee after: YUNNAN POWER GRID CO., LTD. ELECTRIC POWER Research Institute Address before: Yunda economic and Technological Development Zone in Yunnan province Kunming city 650217 West Road No. 105 Patentee before: YUNNAN POWER GRID CO., LTD. ELECTRIC POWER Research Institute Patentee before: NORTH CHINA ELECTRIC POWER University |