CN109713468A - A kind of device and charging method for realizing direct current cables electric discharge - Google Patents
A kind of device and charging method for realizing direct current cables electric discharge Download PDFInfo
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- CN109713468A CN109713468A CN201811582551.8A CN201811582551A CN109713468A CN 109713468 A CN109713468 A CN 109713468A CN 201811582551 A CN201811582551 A CN 201811582551A CN 109713468 A CN109713468 A CN 109713468A
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- direct current
- current cables
- residual voltage
- electric discharge
- high resistant
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- 238000000034 method Methods 0.000 title claims abstract description 25
- 239000002184 metal Substances 0.000 claims abstract description 49
- 229910052751 metal Inorganic materials 0.000 claims abstract description 49
- 230000006835 compression Effects 0.000 claims abstract description 24
- 238000007906 compression Methods 0.000 claims abstract description 24
- 230000008602 contraction Effects 0.000 claims description 20
- 229910052754 neon Inorganic materials 0.000 claims description 13
- GKAOGPIIYCISHV-UHFFFAOYSA-N neon atom Chemical group [Ne] GKAOGPIIYCISHV-UHFFFAOYSA-N 0.000 claims description 13
- 230000005611 electricity Effects 0.000 claims description 9
- 238000004904 shortening Methods 0.000 claims description 7
- 230000006378 damage Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 240000002853 Nelumbo nucifera Species 0.000 description 1
- 235000006508 Nelumbo nucifera Nutrition 0.000 description 1
- 235000006510 Nelumbo pentapetala Nutrition 0.000 description 1
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 239000003990 capacitor Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 description 1
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Abstract
The invention discloses a kind of devices and charging method for realizing direct current cables electric discharge, comprising: support base includes ground line, for passing through ground connection；For carrying residual voltage indicating equipment, high resistant module and molten metal compression bar；Residual voltage indicating equipment is connected with the ground line and high resistant module respectively positioned at the top of support base and the lower section of high resistant module, the height of the residual voltage for judging direct current cables according to the light levels of the residual voltage indicating equipment；High resistant module above connects the molten metal compression bar, for limiting the velocity of discharge of DC cable；Molten metal compression bar, for contacting the terminal outlet of the direct current cables, so that the direct current cables can discharge.Electric discharge device of the invention can be applicable in the electric discharge after 500kV or less direct current cables pressure resistance, remote-controlled, be moved easily, and find out residual voltage using what residual voltage indicating equipment can be convenient, can safely realize the electric discharge of long range direct current cables.
Description
Technical field
The present invention relates to direct current cables discharge technology fields, and put more particularly, to one kind in realization direct current cables
The device and charging method of electricity.
Background technique
Cable run is equivalent to a capacitor, and cable is electrically charged when running, after cable has a power failure, the electricity that is gathered on cable core
It cannot be discharged completely in the lotus short time, at this point, can make one to get an electric shock if being touched with hand, if connecing megger, megger can be made to damage, because
This will first carry out discharge operation.Long range direct current cables is after being subjected to pressure test, and since cable capacitance is very big, storage electricity is very
More, if be directly grounded, instantaneous discharge energy is excessive, will cause cable bad or personal injury, therefore cannot use traditional
Earth brace is directly grounded；And currently without special direct current cables electric discharge device, it is used for the pressure test of long range direct current cables
Direct electric discharge afterwards.
Therefore, it is necessary to a kind of devices for realizing direct current cables electric discharge, to solve the problems, such as that long range direct current cables discharges.
Summary of the invention
The present invention proposes a kind of device and charging method for realizing direct current cables electric discharge, with solve how to realize it is long away from
The problem of from direct current cables electric discharge.
To solve the above-mentioned problems, according to an aspect of the invention, there is provided it is a kind of for realizing direct current cables electric discharge
Device, which is characterized in that described device includes: support base, residual voltage indicating equipment, high resistant module and metal hydraulic
Bar,
The support base includes ground line, for passing through ground connection；It is set for carrying the residual voltage instruction
Standby, high resistant module and molten metal compression bar；
The residual voltage indicating equipment, positioned at the top of support base and the lower section of the high resistant module, respectively with
The ground line is connected with high resistant module, for judging direct current cables according to the light levels of the residual voltage indicating equipment
Residual voltage height；
The high resistant module above connects the molten metal compression bar, for limiting the velocity of discharge of DC cable；
The molten metal compression bar, for contacting the terminal outlet of the direct current cables, so that the direct current cables can
Electric discharge.
Preferably, wherein the support base further include:
Mobile control module, for receiving the mobile control signal of remote control equipment, with the movement support base, to change
Become the position of the entirely device for realizing direct current cables electric discharge.
Preferably, wherein the high resistant module includes: wire resistor；The value range of the resistance value of the wire resistor are as follows:
1-10MΩ。
Preferably, wherein the residual voltage indicating equipment is neon lamp.
Preferably, wherein the metal hydraulic bar is metal hydraulic telescopic rod, the metal hydraulic telescopic rod further include:
Extension and contraction control module, for receiving the extension and contraction control signal of remote control equipment, and according to the extension and contraction control signal control
Make the elongation and shortening of the metal hydraulic telescopic rod.
According to another aspect of the present invention, provide it is a kind of using device as described above realize direct current cables electric discharge
Method, which is characterized in that the described method includes:
By the ground connection in support base；
The mobile support base, so that the terminal outlet of molten metal compression bar contact direct current cables, makes the direct current cables
It can discharge；
Utilize the velocity of discharge of high resistant module limitation DC cable；
The brightness for observing residual voltage indicating equipment, judges direct current according to the light levels of the residual voltage indicating equipment
The height of the residual voltage of cable completes the electric discharge of the direct current cables until the residual voltage indicating equipment is extinguished.
Preferably, wherein the method also includes:
The mobile control signal of remote control equipment is received, using the mobile control module in support base with the movement support
Pedestal, to change the position of the entirely device for realizing direct current cables electric discharge.
Preferably, wherein the high resistant module includes: wire resistor；The value range of the resistance value of the wire resistor are as follows:
1-10MΩ。
Preferably, wherein the residual voltage indicating equipment is neon lamp.
Preferably, wherein the method also includes:
It is metal hydraulic telescopic rod that the molten metal compression bar, which is arranged, and utilizes the extension and contraction control of the metal hydraulic telescopic rod
Module receives the extension and contraction control signal of remote control equipment, and controls the metal hydraulic telescopic rod according to the extension and contraction control signal
Elongation and shortening.
The present invention provides a kind of devices for realizing direct current cables electric discharge, comprising: the support base includes ground connection
Line, for passing through ground connection；For carrying the residual voltage indicating equipment, high resistant module and molten metal compression bar；It is remaining
Voltage indicating equipment, the height of the residual voltage for judging direct current cables according to the light levels of the residual voltage indicating equipment
It is low；High resistant module, for limiting the velocity of discharge of DC cable；Molten metal compression bar, for contacting the end of the direct current cables
Line is brought out, so that the direct current cables can discharge.It is resistance to that electric discharge device of the invention can be applicable in 500kV or less direct current cables
Electric discharge after pressure, it is remote-controlled, it is moved easily, and find out residual voltage, energy using what residual voltage indicating equipment can be convenient
Enough electric discharges for safely realizing long range direct current cables.
Detailed description of the invention
By reference to the following drawings, exemplary embodiments of the present invention can be more fully understood by:
Fig. 1 is the structural schematic diagram according to the device 100 for realizing direct current cables electric discharge of embodiment of the present invention；
Fig. 2 is the instance graph according to the device for realizing direct current cables electric discharge of embodiment of the present invention；And
Fig. 3 is the flow chart according to the method 300 for realizing direct current cables electric discharge of embodiment of the present invention.
Specific embodiment
Exemplary embodiments of the present invention are introduced referring now to the drawings, however, the present invention can use many different shapes
Formula is implemented, and is not limited to the embodiment described herein, and to provide these embodiments be at large and fully disclose
The present invention, and the scope of the present invention is sufficiently conveyed to person of ordinary skill in the field.Show for what is be illustrated in the accompanying drawings
Term in example property embodiment is not limitation of the invention.In the accompanying drawings, identical cells/elements use identical attached
Icon note.
Unless otherwise indicated, term (including scientific and technical terminology) used herein has person of ordinary skill in the field
It is common to understand meaning.Further it will be understood that with the term that usually used dictionary limits, should be understood as and its
The context of related fields has consistent meaning, and is not construed as Utopian or too formal meaning.
Fig. 1 is the structural schematic diagram according to the device 100 for realizing direct current cables electric discharge of embodiment of the present invention.Such as
Shown in Fig. 1, the device for realizing direct current cables electric discharge that embodiments of the present invention provide can be applicable in 500kV or less direct current
Electric discharge after cable voltage, it is remote-controlled, it is moved easily, and find out remaining electricity using what residual voltage indicating equipment can be convenient
Pressure, can safely realize the electric discharge of long range direct current cables.Embodiments of the present invention provide for realizing direct current cables
The device 100 of electric discharge, comprising: support base 101, residual voltage indicating equipment 102, high resistant module 103 and molten metal compression bar
104.Preferably, the support base 101, includes ground line, for passing through ground connection；For carrying the residual voltage
Indicating equipment 102, high resistant module 103 and molten metal compression bar 104.
Preferably, wherein the support base further include:
Mobile control module, for receiving the mobile control signal of remote control equipment, with the movement support base, to change
Become the position of the entirely device for realizing direct current cables electric discharge.
Preferably, the residual voltage indicating equipment 102, top and the high resistant module positioned at support base 101
103 lower section is connected, for according to the residual voltage indicating equipment 102 respectively with the ground line and high resistant module 103
Light levels judge direct current cables residual voltage height.
Preferably, the high resistant module 103 above connects the molten metal compression bar 104, for limiting the electric discharge of DC cable
Speed.
Preferably, wherein the high resistant module includes: wire resistor；The value range of the resistance value of the wire resistor are as follows:
1-10MΩ。
Preferably, the molten metal compression bar 104, for contacting the terminal outlet of the direct current cables, so that described straight
Galvanic electricity cable can discharge.
Preferably, wherein the residual voltage indicating equipment is neon lamp.
Preferably, wherein the metal hydraulic bar is metal hydraulic telescopic rod, the metal hydraulic telescopic rod further include:
Extension and contraction control module, for receiving the extension and contraction control signal of remote control equipment, and according to the extension and contraction control signal control
Make the elongation and shortening of the metal hydraulic telescopic rod.
Fig. 2 is the instance graph according to the device for realizing direct current cables electric discharge of embodiment of the present invention.Such as Fig. 2 institute
Show, the device for realizing direct current cables electric discharge of embodiments of the present invention includes: support base 1, neon lamp 2, high resistant mould
Block 3 and metal hydraulic telescopic rod 4.Support base connects neon lamp by built-in ground connection in support base, neon lamp with
Ground line is connected, and high resistant module is connect on neon lamp, metal hydraulic telescopic rod is connect in high resistant module.Support base can be according to can
With remote-controlled movement, the mobile control signal of remote control equipment is received using mobile control module, with the movement support base, thus
The position for changing the entirely device for realizing direct current cables electric discharge, facilitates electric discharge device close to cable termination.High resistant module by
Wire resistor composition, comprising: the wire resistor of 1-10M Ω, for limiting the velocity of discharge.The light levels of neon lamp can be determined that
The height of residual voltage.Molten metal compression bar is metal hydraulic telescopic rod, receives the flexible of remote control equipment using extension and contraction control module
Signal is controlled, and controls the elongation and shortening of the metal hydraulic telescopic rod according to the extension and contraction control signal, it is straight for contacting
Flow the outlet of cable termination.
When in use, it is moved near support base to direct current cables position first, and makes ground connection, then stretch out gold
Belong to hydraulic telescopic rod to the terminal outlet of direct current cables, so that direct current cables can discharge, and observes the bright journey of neon lamp
Degree indicates that electric discharge is completed when neon lamp extinguishes.
Fig. 3 is the flow chart according to the method 300 for realizing direct current cables electric discharge of embodiment of the present invention.If figure
Shown in 3, the method for realizing direct current cables electric discharge that embodiments of the present invention provide is since step 301 place, in step
301 by the ground connection in support base.
Preferably, wherein the method also includes: utilize mobile control module in support base to receive remote control equipment
Mobile control signal, with the movement support base, to change the position of the entirely device for realizing direct current cables electric discharge.
Preferably, in the mobile support base of step 302, so that the terminal of molten metal compression bar contact direct current cables goes out
Line enables the direct current cables to discharge.
Preferably, the velocity of discharge of high resistant module limitation DC cable is utilized in step 303.
Preferably, wherein the high resistant module includes: wire resistor；The value range of the resistance value of the wire resistor are as follows:
1-10MΩ。
Preferably, in the brightness of step 304 observation residual voltage indicating equipment, according to the residual voltage indicating equipment
Light levels judge the height of the residual voltage of direct current cables, until the residual voltage indicating equipment is extinguished, complete described straight
The electric discharge of galvanic electricity cable.
Preferably, wherein the residual voltage indicating equipment is neon lamp.
Preferably, wherein the method also includes: be arranged the molten metal compression bar be metal hydraulic telescopic rod, and utilize institute
The extension and contraction control module for stating metal hydraulic telescopic rod receives the extension and contraction control signal of remote control equipment, and is believed according to the extension and contraction control
The elongation and shortening of number control metal hydraulic telescopic rod.
The method 300 and another embodiment of the invention for realizing direct current cables electric discharge of the embodiment of the present invention
Device 100 for realizing direct current cables electric discharge is corresponding, and details are not described herein.
The present invention is described by reference to a small amount of embodiment.However, it is known in those skilled in the art, as
Defined by subsidiary Patent right requirement, in addition to the present invention other embodiments disclosed above equally fall in it is of the invention
In range.
Normally, all terms used in the claims are all solved according to them in the common meaning of technical field
It releases, unless in addition clearly being defined wherein.All references " one/described/be somebody's turn to do [device, component etc.] " are all opened ground
At least one example being construed in described device, component etc., unless otherwise expressly specified.Any method disclosed herein
Step need not all be run with disclosed accurate sequence, unless explicitly stated otherwise.
Claims (10)
1. a kind of device for realizing direct current cables electric discharge, which is characterized in that described device includes: support base, remaining electricity
Indicating equipment, high resistant module and molten metal compression bar are pressed,
The support base includes ground line, for passing through ground connection；For carry the residual voltage indicating equipment,
High resistant module and molten metal compression bar；
The residual voltage indicating equipment, positioned at the top of support base and the lower section of the high resistant module, respectively with it is described
Ground line is connected with high resistant module, for judging the residual of direct current cables according to the light levels of the residual voltage indicating equipment
The height of remaining voltage；
The high resistant module above connects the molten metal compression bar, for limiting the velocity of discharge of DC cable；
The molten metal compression bar, for contacting the terminal outlet of the direct current cables, so that the direct current cables can discharge.
2. the apparatus according to claim 1, which is characterized in that the support base further include:
Mobile control module, for receiving the mobile control signal of remote control equipment, with the movement support base, to change whole
The position of a device for realizing direct current cables electric discharge.
3. the apparatus according to claim 1, which is characterized in that the high resistant module includes: wire resistor；The coiling electricity
The value range of the resistance value of resistance are as follows: 1-10M Ω.
4. the apparatus according to claim 1, which is characterized in that the residual voltage indicating equipment is neon lamp.
5. device according to claim 4, which is characterized in that the molten metal compression bar is metal hydraulic telescopic rod, described
Metal hydraulic telescopic rod further include:
Extension and contraction control module controls institute for receiving the extension and contraction control signal of remote control equipment, and according to the extension and contraction control signal
State the elongation and shortening of metal hydraulic telescopic rod.
6. a kind of method for realizing direct current cables electric discharge using device as described in claim 1, which is characterized in that the method
Include:
By the ground connection in support base；
The mobile support base, so that the terminal outlet of molten metal compression bar contact direct current cables, enables the direct current cables
Electric discharge；
Utilize the velocity of discharge of high resistant module limitation DC cable；
The brightness for observing residual voltage indicating equipment, judges direct current cables according to the light levels of the residual voltage indicating equipment
Residual voltage height, until the residual voltage indicating equipment extinguish, complete the electric discharge of the direct current cables.
7. according to the method described in claim 6, it is characterized in that, the method also includes:
The mobile control signal of remote control equipment is received, using the mobile control module in support base with the movement support bottom
Seat, to change the position of the entirely device for realizing direct current cables electric discharge.
8. according to the method described in claim 6, it is characterized in that, the high resistant module includes: wire resistor；The coiling electricity
The value range of the resistance value of resistance are as follows: 1-10M Ω.
9. according to the method described in claim 6, it is characterized in that, the residual voltage indicating equipment is neon lamp.
10. according to the method described in claim 6, it is characterized in that, the method also includes:
It is metal hydraulic telescopic rod that the molten metal compression bar, which is arranged, and utilizes the extension and contraction control module of the metal hydraulic telescopic rod
The extension and contraction control signal of remote control equipment is received, and controls the elongation of the metal hydraulic telescopic rod according to the extension and contraction control signal
And shortening.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811582551.8A CN109713468A (en) | 2018-12-24 | 2018-12-24 | A kind of device and charging method for realizing direct current cables electric discharge |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811582551.8A CN109713468A (en) | 2018-12-24 | 2018-12-24 | A kind of device and charging method for realizing direct current cables electric discharge |
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| Publication Number | Publication Date |
|---|---|
| CN109713468A true CN109713468A (en) | 2019-05-03 |
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|---|---|---|---|
| CN201811582551.8A Pending CN109713468A (en) | 2018-12-24 | 2018-12-24 | A kind of device and charging method for realizing direct current cables electric discharge |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110687405A (en) * | 2019-09-02 | 2020-01-14 | 中国南方电网有限责任公司超高压输电公司检修试验中心 | Discharging device and discharging method for direct-current withstand voltage test of seabed oil-filled cable |
-
2018
- 2018-12-24 CN CN201811582551.8A patent/CN109713468A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110687405A (en) * | 2019-09-02 | 2020-01-14 | 中国南方电网有限责任公司超高压输电公司检修试验中心 | Discharging device and discharging method for direct-current withstand voltage test of seabed oil-filled cable |
| WO2021042601A1 (en) * | 2019-09-02 | 2021-03-11 | 中国南方电网有限责任公司超高压输电公司检修试验中心 | Discharge apparatus and discharge method for direct-current voltage withstand test of oil-filled submarine cable |
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