CN207380187U - One kind draws Reatta scale model lightning test system - Google Patents
One kind draws Reatta scale model lightning test system Download PDFInfo
- Publication number
- CN207380187U CN207380187U CN201721495385.9U CN201721495385U CN207380187U CN 207380187 U CN207380187 U CN 207380187U CN 201721495385 U CN201721495385 U CN 201721495385U CN 207380187 U CN207380187 U CN 207380187U
- Authority
- CN
- China
- Prior art keywords
- reatta
- scale model
- draws
- field electrode
- tower top
- 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.)
- Withdrawn - After Issue
Links
Abstract
The utility model embodiment discloses one kind and draws Reatta scale model lightning test system.Draw Reatta scale model and second there is provided first in the utility model and draw Reatta scale model, draw Reatta scale model as experimental group using first, draw Reatta scale model as control group using second, contrast experiment is carried out by control variate method, with high-field electrode and impulse voltage generator simulation thunder-strike current, draw Reatta scale model and second to first and draw the progress flash-over characteristic experimental study of Reatta scale model, solve the current research technique that lacks to drawing the technical issues of Reatta carries out simulation test.
Description
Technical field
The utility model is related to power test fields more particularly to one kind to draw Reatta scale model lightning test system.
Background technology
With the raising of the voltage class of China's transmission line of electricity, the increase of transmission capacity promotes the height of shaft tower constantly to increase
Add, lightning stroke line tripping accident also increases as.
It is a kind of effective lightning protection measures to draw Reatta, and tower body design is generally higher than common steel tower, and lightning protection region is more
Greatly, the principle of " drawing thunder and the thunder that disappears " is mainly utilized, is identical theory with controllable discharge lightning rod,
On the one hand, before the formation of strong thunder and lightning, electric discharge arteries and veins is discharged upwards using the controllable discharge lightning rod for drawing Reatta top
Punching according to the natural principle that thunder and lightning is formed, changes the distribution of thunder and lightning charge, actively guides a part of thundercloud electric current by drawing Reatta
It into the earth, plays a protective role to the transmission line of electricity of surrounding, to reduce transmission line caused by lightning strike number nearby；On the one hand two, draw
Reatta plays shield effectiveness to the circuit and equipment of surrounding, has wider guarantor similar to the principle of lightning conductor protection in substation
Protect scope.
But currently lack for the device for drawing Reatta progress simulation test, current simulation test of being struck by lightning is mainly for transmission of electricity
Circuit, it is difficult to the various carry out flash-over characteristic experimental studies for drawing Reatta.
Therefore, the current research technique that lacks is resulted in drawing the technical issues of Reatta carries out simulation test.
Utility model content
The utility model provides one kind and draws Reatta scale model lightning test system, solves and currently lacks research technique
To drawing the technical issues of Reatta carries out simulation test.
The utility model provides one kind and draws Reatta scale model lightning test system, including：Impulse voltage generator, height
Piezoelectricity pole, first draw Reatta scale model, second draw Reatta scale model；
Described first draw the tower top of Reatta scale model and described second draw Reatta scale model tower top distance away the ground
Unanimously；
The distance away the ground of the discharge end of the high-field electrode draws the tower top of Reatta scale model and described higher than described first
Second draws the distance away the ground of the tower top of Reatta scale model, and the power connection end distance away the ground of the high-field electrode is higher than the high-voltage electricity
The distance away the ground of the discharge end of pole, the spacing for the tower top that the discharge end of the high-field electrode draws Reatta scale model with described first
It is consistent with the spacing of second tower top for drawing Reatta scale model with the discharge end of the high-field electrode；
The output terminal of the impulse voltage generator is electrically connected with the power connection end of the high-field electrode.
Preferably, further include：First capacitance C1, the second capacitance C2 and oscillograph；
The output terminal of the impulse voltage generator is electrically connected with the first end of the first capacitance C1；
The input with the first end of the second capacitance C2 and the oscillograph respectively of the second end of the first capacitance C1
End electrical connection；
The second end ground connection of the second capacitance C2.
Preferably, the high-field electrode is cylindrical metal rod, and the discharge end of the high-field electrode is provided with metal ball.
Preferably, the impulse voltage generator specifically includes：Impulse resistance R1, the 3rd capacitance C3, the first spheric electrode
With the second spheric electrode；
The 3rd capacitance C3 first ends are electrically connected with the first end of the impulse resistance R1, and the of the 3rd capacitance C3
Two ends are grounded；
The second end of the impulse resistance R1 is electrically connected with first spheric electrode；
Second spheric electrode is electrically connected with the power connection end of the high-field electrode, first spheric electrode and described
The non-contact setting of two spheric electrodes.
Preferably, the impulse voltage generator further includes：Protective resistance R2；
Second spheric electrode is electrically connected with the first end of the protective resistance R2, the second end of the protective resistance R2
It is electrically connected with the power connection end of the high-field electrode.
Preferably, further include：Video camera；
Set the distance of the position of the video camera and the discharge end of the high-field electrode be greater than or equal to preset safety away from
From.
Preferably, described first draws the tower top of Reatta scale model and described second and draws between the tower top of Reatta scale model
Spacing be 6m.
Preferably, the spacing for the tower top that the discharge end of the high-field electrode draws Reatta scale model with described first and described
The discharge end of high-field electrode and the spacing of second tower top for drawing Reatta scale model are all 4m.
Preferably, the length of the cylindrical metal rod is 15m, and the diameter of section of the cylindrical metal rod is 60mm,
A diameter of 80mm of the metal ball.
Preferably, described first draw Reatta scale model and described second draw Reatta scale model tower top distance away the ground
It is all 4.5m.
As can be seen from the above technical solutions, the utility model has the following advantages：
The utility model provides one kind and draws Reatta scale model lightning test system, including：Impulse voltage generator, height
Piezoelectricity pole, first draw Reatta scale model, second draw Reatta scale model；Described first draws Reatta scale model and described second
The distance away the ground for drawing the tower top of Reatta scale model is consistent；The distance away the ground of the discharge end of the high-field electrode is higher than described first
Draw the tower top of Reatta scale model and described second draw Reatta scale model tower top distance away the ground, the high-field electrode connects
Electric end distance away the ground is higher than the distance away the ground of the discharge end of the high-field electrode, the discharge end of the high-field electrode and described first
Draw the spacing of the tower top of Reatta scale model and the discharge end of the high-field electrode and described second and draw the tower of Reatta scale model
The spacing on top is consistent；The output terminal of the impulse voltage generator is electrically connected with the power connection end of the high-field electrode.
Draw Reatta scale model and second there is provided first in the utility model and draw Reatta scale model, draw Reatta with first
Scale model is experimental group, draws Reatta scale model as control group using second, contrast experiment is carried out by control variate method, with height
Piezoelectricity pole and impulse voltage generator simulation thunder-strike current, draw to first Reatta scale model and second draw Reatta scale model into
Row flash-over characteristic experimental study solves the current research technique that lacks to drawing the technical issues of Reatta carries out simulation test.
Description of the drawings
It in order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
It is some embodiments of the utility model, for those of ordinary skill in the art, before not making the creative labor property
It puts, can also be obtained according to these attached drawings other attached drawings.
Fig. 1 is that a kind of connection relation for drawing Reatta scale model lightning test system that the utility model embodiment provides is shown
It is intended to；
Fig. 2 is a kind of equivalent circuit for drawing Reatta scale model lightning test system that the utility model embodiment provides
Figure；
Fig. 3 is a kind of structure diagram for high-field electrode that the utility model embodiment provides；
Fig. 4 is a kind of structure diagram for drawing Reatta that the utility model embodiment provides；
Fig. 5 is the oscillograph measurement voltage oscillogram that the utility model embodiment provides；
Wherein, reference numeral is as follows：
1st, high-field electrode；2nd, first draws Reatta scale model；3rd, second draws Reatta scale model；4th, surge voltage occurs
Device；5th, oscillograph；6th, rest ledge；7th, workbench；8th, earth conductor；C1, the first capacitance；C2, the second capacitance；C3, the 3rd capacitance；
R1, impulse resistance；R2, protective resistance.
Specific embodiment
The utility model embodiment provides one kind and draws Reatta scale model lightning test system, solves and currently lacks examination
Means are tested to drawing the technical issues of Reatta carries out simulation test.
Goal of the invention, feature, advantage to enable the utility model is more apparent and understandable, below in conjunction with this
Attached drawing in utility model embodiment, the technical scheme in the utility model embodiment is clearly and completely described, shows
So, the embodiments described below are only the utility model part of the embodiment, and not all embodiment.Based on this practicality
Embodiment in new, all other reality that those of ordinary skill in the art are obtained without making creative work
Example is applied, shall fall within the protection scope of the present invention.
Referring to Fig. 1, the utility model embodiment provides a kind of draw Reatta scale model lightning test system one
Embodiment, including：Impulse voltage generator 4, high-field electrode 1, first draw Reatta scale model 2, second draw Reatta scale model
3；
First draws the tower top of Reatta scale model 2 and the distance away the ground of the second tower top for drawing Reatta scale model 3 is consistent；
The distance away the ground of the discharge end of high-field electrode 1 draws the tower top of Reatta scale model 2 and second higher than first and draws Reatta
The distance away the ground of the tower top of scale model 3, the power connection end distance away the ground of high-field electrode 1 are higher than pair of the discharge end of high-field electrode 1
Ground height, the discharge end of high-field electrode 1 and first draw the spacing of tower top of Reatta scale model 2 and the discharge end of high-field electrode 1
It is consistent with the spacing for the tower top that second draws Reatta scale model 3；
The output terminal of impulse voltage generator 4 is electrically connected with the power connection end of high-field electrode 1.
Refer to that Reatta will be drawn according to contracting than establishing after ratio scaled down it should be noted that drawing Reatta scale model
Model；
Draw Reatta scale model 2 and second there is provided first in the present embodiment and draw Reatta scale model 3, draw Reatta with first
Scale model 2 is experimental group, draws Reatta scale model 3 with second for control group；
Contrast experiment is carried out by control variate method, thunder-strike current is simulated with high-field electrode 1 and impulse voltage generator 4,
Draw Reatta scale model 2 and second to first and draw the progress flash-over characteristic experimental study of Reatta scale model 3, solve and currently lack
Research technique is to drawing the technical issues of Reatta carries out simulation test.
A kind of implementation for drawing Reatta scale model lightning test system provided above for the utility model embodiment
Example, a kind of another embodiment for drawing Reatta scale model lightning test system provided below for the utility model embodiment.
It please refers to Fig.1, Fig. 2, Fig. 3, Fig. 4 and Fig. 5, the utility model embodiment provides one kind and draws Reatta scale model thunder
Another embodiment of pilot system is hit, including：
Impulse voltage generator 4, high-field electrode 1, first draw Reatta scale model 2, second draw Reatta scale model 3；
First draws the tower top of Reatta scale model 2 and the distance away the ground of the second tower top for drawing Reatta scale model 3 is consistent；
The distance away the ground of the discharge end of high-field electrode 1 draws the tower top of Reatta scale model 2 and second higher than first and draws Reatta
The distance away the ground of the tower top of scale model 3, the power connection end distance away the ground of high-field electrode 1 are higher than pair of the discharge end of high-field electrode 1
Ground height, the discharge end of high-field electrode 1 and first draw the spacing of tower top of Reatta scale model 2 and the discharge end of high-field electrode 1
It is consistent with the spacing for the tower top that second draws Reatta scale model 3；
The output terminal of impulse voltage generator 4 is electrically connected with the power connection end of high-field electrode 1.
Refer to that Reatta will be drawn according to contracting than establishing after ratio scaled down it should be noted that drawing Reatta scale model
Model draws Reatta scale model and actually draws Reatta structure always, possesses structure such as：Tower body, workbench 7 (i.e. tower top), rest
Platform 6 and earth conductor 8；
First, which draws Reatta scale model 2 and second, draws Reatta scale model 3 two kinds of different operating modes can be set to carry out pair
Than testing, such as：Whether there is controllable discharge lightning rod, different Contact patch (10 ohm and 100 ohm) or different materials (steel and multiple
Condensation material) draw Reatta；
First, which draws the tower top of Reatta scale model 2 and the distance away the ground of the second tower top for drawing Reatta scale model 3, is unanimously
Refer to first draw Reatta scale model 2 with second draw Reatta scale model 3 for appearance height it is consistent draw Reatta scale model；
The distance away the ground of the discharge end of high-field electrode 1 draws the tower top of Reatta scale model 2 and second higher than first and draws Reatta
The distance away the ground of the tower top of scale model 3 specifically refers to the suspension of high-field electrode 1 and is arranged on first and draws Reatta scale model 2 and second
Draw the top of Reatta scale model 3；
The power connection end distance away the ground of high-field electrode 1 specifically refers to high pressure higher than the distance away the ground of the discharge end of high-field electrode 1
Electrode 1 suspension set when for discharge end under, power connection end is upper；
The discharge end of high-field electrode 1 and first draws the spacing of tower top of Reatta scale model 2 and the discharge end of high-field electrode 1
It is consistent with the spacing for the tower top that second draws Reatta scale model 3 to specifically refer to first and draw Reatta scale model 2 and second to draw Reatta
Scale model 3 can be symmetricly set on the both sides of high-field electrode 1, can also be arranged on preset half with high-field electrode 1 for the center of circle
On the circumference in footpath；
Impulse voltage generator 4 uses 7500kV/750kJ impulse voltage generators, can generate the electricity for meeting experiment demand
Corrugating and voltage magnitude.
Further, further include：First capacitance C1, the second capacitance C2 and oscillograph 5；
The output terminal of impulse voltage generator 4 is electrically connected with the first end of the first capacitance C1；
Input terminal of the second end of first capacitance C1 respectively with the first end of the second capacitance C2 and oscillograph 5 is electrically connected；
The second end ground connection of second capacitance C2.
It should be noted that the first capacitance C1 and the second capacitance C2 forms divider, the voltage mistake of access oscillograph 5 is avoided
Greatly；
The waveform for the surge voltage that impulse voltage generator 4 generates can be observed by oscillograph 5, and observation can be passed through
Waveform adjustment impulse voltage generator 4 generates suitable surge voltage, and the voltage oscillogram that oscillograph 5 is observed is as shown in Figure 5.
Further, high-field electrode 1 is cylindrical metal rod, and the discharge end of high-field electrode 1 is provided with metal ball.
It should be noted that current thunder observation both at home and abroad the result shows that downlink negative ground dodge during free guide account for it is whole
The 90% of a gap length, and free guide's head diameter is generally bigger, so using cylindrical metal rod as high-field electrode 1,
And the discharge end of high-field electrode 1 is provided with metal ball, simulation downlink negative ground flashes journey；
The cylindrical metal rod of high-field electrode 1 can be cylindrical iron staff, and metal ball can be copper ball.
Further, impulse voltage generator 4 specifically includes：Impulse resistance R1, the 3rd capacitance C3, the first spheric electrode and
Second spheric electrode；
3rd capacitance C3 first ends are electrically connected with the first end of impulse resistance R1, the second end ground connection of the 3rd capacitance C3；
The second end of impulse resistance R1 is electrically connected with the first spheric electrode；
Second spheric electrode is electrically connected with the power connection end of high-field electrode 1, the first spheric electrode and the second spheric electrode is non-connects
It touches and sets.
It should be noted that when triggering the first spheric electrode or the second spheric electrode, the first spheric electrode and second
Ball gap between spheric electrode can be switched on, and what surge voltage can be transferred to high-field electrode 1 by impulse voltage generator 4 connects electricity
End；
The operation ripple of 250/2500 μ s of negative polarity is used in the present embodiment, and as High Voltage Impulse Waveform, surge voltage is returned
Road is as described above.
Further, impulse voltage generator 4 further includes：Protective resistance R2；
Second spheric electrode is electrically connected with the first end of protective resistance R2, second end and the high-field electrode 1 of protective resistance R2
Power connection end electrical connection.
In order to avoid work as fortuitous event high-field electrode 1 be grounded or divider open circuit, cause the generation of high current, it is necessary to set
It puts protective resistance R2 and carries out current limliting.
Further, further include：Video camera；
The distance of the position of video camera and the discharge end of high-field electrode 1 is set to be greater than or equal to preset safe distance.
It should be noted that when carrying out flash-over characteristic experiment, video camera can be selected as test situation recorder, such as
100 lightning impulse tests are carried out, electric discharge selection situation and thunder and lightning evolution are recorded by high-speed camera,
Further, first draw the tower top of Reatta scale model 2 and second draw between the tower top of Reatta scale model 3 between
Away from for 6m.
Further, the discharge end of high-field electrode 1 and first draw Reatta scale model 2 tower top spacing and high-field electrode
The spacing of 1 discharge end and the second tower top for drawing Reatta scale model 3 is all 4m.
Further, the length of cylindrical metal rod is 15m, and the diameter of section of cylindrical metal rod is 60mm, metal ball
A diameter of 80mm.
Further, first draws Reatta scale model 2 and the distance away the ground of the second tower top for drawing Reatta scale model 3 is all
4.5m。
It should be noted that first draw Reatta scale model 2 and second draw Reatta scale model 3 tower top distance away the ground
It is all that 4.5m is then that will draw Reatta according to 1:10 contracting draws Reatta scale model 2 and second than ratio is built first and draws Reatta contracting
Than model 3；
In the present embodiment, there is provided 1:10 contracting draw than the first of ratio Reatta scale model 2 and second draw Reatta contracting compare mould
3 making choice property discharge test of type, it can be estimated that different operating modes draw Reatta draw thunder ability, and be provided with and actual thunder and lightning
The high-field electrode 1 and can generate 4 circuit of impulse voltage generator for meeting experiment demand that descending leader feature is consistent, can
With the situation that the actual thunder and lightning of real simulation occurs, accurate experimental data is obtained.
Reatta scale model lightning test system of drawing in the present embodiment can be to drawing Reatta scale model under different operating modes
Make choice discharge test, so as to assess different operating modes draw Reatta draw thunder ability, there is product to research transmission line of electricity lightning protection
The effect of pole provides guidance for actual engineering design, solves the current research technique that lacks to drawing Reatta progress simulation test
The technical issues of.
It is apparent to those skilled in the art that for convenience and simplicity of description, the system of foregoing description
With the specific work process of device, the corresponding process in preceding method embodiment is may be referred to, details are not described herein.
In several embodiments provided herein, it should be understood that disclosed system and device can pass through it
Its mode is realized.For example, the apparatus embodiments described above are merely exemplary, for example, the division of the unit, only
Only a kind of division of logic function can have other dividing mode in actual implementation, such as multiple units or component can be tied
It closes or is desirably integrated into another system or some features can be ignored or does not perform.It is another, it is shown or discussed
Mutual coupling, direct-coupling or communication connection can be the INDIRECT COUPLING or logical by some interfaces, device or unit
Letter connection can be electrical, machinery or other forms.
The unit illustrated as separating component may or may not be it is physically separate, can be according to reality
Border needs to select some or all of unit therein to realize the purpose of this embodiment scheme.
In addition, each functional unit in each embodiment of the utility model can be integrated in a processing unit,
Can be that unit is individually physically present, can also two or more units integrate in a unit.
The above, above example are only to illustrate the technical solution of the utility model, rather than its limitations；Although ginseng
The utility model is described in detail according to previous embodiment, it will be understood by those of ordinary skill in the art that：It is still
It can modify to the technical solution recorded in foregoing embodiments or which part technical characteristic is equally replaced
It changes；And these modifications or replacement, the essence of appropriate technical solution is not made to depart from various embodiments of the utility model technical solution
Spirit and scope.
Claims (10)
1. one kind draws Reatta scale model lightning test system, which is characterized in that including：Impulse voltage generator, high-field electrode,
First draws Reatta scale model, second draws Reatta scale model；
Described first draw Reatta scale model tower top it is consistent with the distance away the ground of second tower top for drawing Reatta scale model；
The distance away the ground of the discharge end of the high-field electrode draws the tower top and described second of Reatta scale model higher than described first
Draw the distance away the ground of the tower top of Reatta scale model, the power connection end distance away the ground of the high-field electrode is higher than the high-field electrode
The distance away the ground of discharge end, the spacing for the tower top that the discharge end of the high-field electrode draws Reatta scale model with described first and institute
The discharge end for stating high-field electrode is consistent with the spacing of second tower top for drawing Reatta scale model；
The output terminal of the impulse voltage generator is electrically connected with the power connection end of the high-field electrode.
2. one kind according to claim 1 draws Reatta scale model lightning test system, which is characterized in that further includes：The
One capacitance C1, the second capacitance C2 and oscillograph；
The output terminal of the impulse voltage generator is electrically connected with the first end of the first capacitance C1；
The second end of the first capacitance C1 is electric with the input terminal of the first end of the second capacitance C2 and the oscillograph respectively
Connection；
The second end ground connection of the second capacitance C2.
3. one kind according to claim 1 draws Reatta scale model lightning test system, which is characterized in that the high-voltage electricity
Extremely cylindrical metal rod, the discharge end of the high-field electrode are provided with metal ball.
4. one kind according to claim 1 draws Reatta scale model lightning test system, which is characterized in that the impact electricity
Pressure life implement body includes：Impulse resistance R1, the 3rd capacitance C3, the first spheric electrode and the second spheric electrode；
The 3rd capacitance C3 first ends are electrically connected with the first end of the impulse resistance R1, the second end of the 3rd capacitance C3
Ground connection；
The second end of the impulse resistance R1 is electrically connected with first spheric electrode；
Second spheric electrode is electrically connected with the power connection end of the high-field electrode, first spheric electrode and second ball
The non-contact setting of shape electrode.
5. one kind according to claim 4 draws Reatta scale model lightning test system, which is characterized in that the impact electricity
Pressure generator further includes：Protective resistance R2；
Second spheric electrode is electrically connected with the first end of the protective resistance R2, the second end of the protective resistance R2 and institute
State the power connection end electrical connection of high-field electrode.
6. one kind according to claim 1 draws Reatta scale model lightning test system, which is characterized in that further includes：It takes the photograph
Camera；
The distance of the position of the video camera and the discharge end of the high-field electrode is set to be greater than or equal to preset safe distance.
7. one kind according to claim 1 draws Reatta scale model lightning test system, which is characterized in that described first draws
The tower top of Reatta scale model and the described second spacing drawn between the tower top of Reatta scale model are 6m.
8. one kind according to claim 1 draws Reatta scale model lightning test system, which is characterized in that the high-voltage electricity
The spacing for the tower top that the discharge end of pole draws Reatta scale model with described first and the discharge end of the high-field electrode and described the
Two spacing for drawing the tower top of Reatta scale model are all 4m.
9. one kind according to claim 3 draws Reatta scale model lightning test system, which is characterized in that the cylinder
The length of metal bar is 15m, and the diameter of section of the cylindrical metal rod is 60mm, a diameter of 80mm of the metal ball.
10. one kind according to claim 1 draws Reatta scale model lightning test system, which is characterized in that described first
The distance away the ground for drawing Reatta scale model and second tower top for drawing Reatta scale model is all 4.5m.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721495385.9U CN207380187U (en) | 2017-11-10 | 2017-11-10 | One kind draws Reatta scale model lightning test system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721495385.9U CN207380187U (en) | 2017-11-10 | 2017-11-10 | One kind draws Reatta scale model lightning test system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207380187U true CN207380187U (en) | 2018-05-18 |
Family
ID=62332686
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721495385.9U Withdrawn - After Issue CN207380187U (en) | 2017-11-10 | 2017-11-10 | One kind draws Reatta scale model lightning test system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207380187U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107643478A (en) * | 2017-11-10 | 2018-01-30 | 广东电网有限责任公司电力科学研究院 | One kind draws Reatta scale model lightning test system |
| CN108761292A (en) * | 2018-07-25 | 2018-11-06 | 贵州电网有限责任公司 | One kind being used for transmission line wire lightning current ablation characteristics test system |
-
2017
- 2017-11-10 CN CN201721495385.9U patent/CN207380187U/en not_active Withdrawn - After Issue
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107643478A (en) * | 2017-11-10 | 2018-01-30 | 广东电网有限责任公司电力科学研究院 | One kind draws Reatta scale model lightning test system |
| CN107643478B (en) * | 2017-11-10 | 2023-05-09 | 广东电网有限责任公司电力科学研究院 | Lightning stroke test system of lightning stroke tower shrinkage model |
| CN108761292A (en) * | 2018-07-25 | 2018-11-06 | 贵州电网有限责任公司 | One kind being used for transmission line wire lightning current ablation characteristics test system |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN207650293U (en) | A kind of extra high voltage direct current transmission line lightning shielding analogue test platform | |
| CN107643478A (en) | One kind draws Reatta scale model lightning test system | |
| CN101714748B (en) | Method and system for determining serial and parallel connection gaps of overhead power transmission line insulators | |
| CN101567530B (en) | Safe method for entering tangent tower equal potentials for live-wire operation in 660kV direct current lines | |
| CN104569608B (en) | A kind of Transient grounding resistance on-site measurement method based under heavy impulse current | |
| CN202903954U (en) | Power-frequency arbitrary phase angle superposed lightning impulse testing device for insulator string | |
| CN104502819A (en) | Arrester impact characteristics testing device and method | |
| CN207380187U (en) | One kind draws Reatta scale model lightning test system | |
| CN205752622U (en) | A kind of switch cabinet bus, the dual-purpose earth lead of end end | |
| CN110308373A (en) | A kind of series gap arrester percussion action attribute testing platform | |
| CN205263221U (en) | Super high tension transmission line shaft tower lightning shielding ability analogue test platform | |
| CN108548973A (en) | One kind drawing Reatta protection domain test system and method | |
| CN106771930B (en) | A kind of device and method for observing grounding rod surrounding soil impulsive discharge characteristic | |
| CN207336569U (en) | A kind of multifunction test trolley for electric power tool resistance test | |
| CN2938340Y (en) | Protection device for preventing lightning backflash | |
| CN210038045U (en) | Lightning-induced tower protection range test platform | |
| CN205450143U (en) | Topography is to test platform of special high tension transmission line shaft tower lightning shielding ability influence | |
| CN202057763U (en) | Experimental device of simulating high voltage transmission line flashover discharge triggered by forest fire | |
| CN106814284A (en) | A kind of grounded screen net built-in potential difference problem computational methods | |
| Romero et al. | Behaviour of the wind-turbines under lightning strikes including nonlinear grounding system | |
| CN103474790B (en) | A kind of possess to impact the ring ground of resistance function drops | |
| CN206985320U (en) | Suitable for the insulated conductor pay off rack earthing or grounding means of power distribution cabinet | |
| CN109031062A (en) | 50% discharge voltage calculation method and system under shaft tower gap operating impulse voltage | |
| CN205229390U (en) | Actual voltage impulse shape effect transformer oil down punctures characteristic testing system | |
| CN207366629U (en) | A kind of detection device for hindering residual voltage when the perforation of thunder unit is discharged |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20180518 Effective date of abandoning: 20230509 |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20180518 Effective date of abandoning: 20230509 |
|
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |