CN204391650U - A kind of conductor rail of the solid insulation for middle pressure or high pressure - Google Patents
A kind of conductor rail of the solid insulation for middle pressure or high pressure Download PDFInfo
- Publication number
- CN204391650U CN204391650U CN201420688441.0U CN201420688441U CN204391650U CN 204391650 U CN204391650 U CN 204391650U CN 201420688441 U CN201420688441 U CN 201420688441U CN 204391650 U CN204391650 U CN 204391650U
- Authority
- CN
- China
- Prior art keywords
- conducting layer
- conductor
- conductor rail
- outer conducting
- insulator
- 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.)
- Expired - Lifetime
Links
- 239000004020 conductor Substances 0.000 title claims abstract description 63
- 238000009413 insulation Methods 0.000 title claims abstract description 17
- 239000007787 solid Substances 0.000 title claims abstract description 16
- 239000012212 insulator Substances 0.000 claims abstract description 34
- 238000010079 rubber tapping Methods 0.000 claims abstract description 23
- 239000011343 solid material Substances 0.000 claims abstract description 10
- 239000002184 metal Substances 0.000 claims abstract description 6
- 230000004888 barrier function Effects 0.000 claims description 13
- 230000008878 coupling Effects 0.000 claims description 13
- 238000010168 coupling process Methods 0.000 claims description 13
- 238000005859 coupling reaction Methods 0.000 claims description 13
- 230000005611 electricity Effects 0.000 claims description 12
- 238000005259 measurement Methods 0.000 claims description 9
- 210000002445 nipple Anatomy 0.000 claims description 3
- 230000002349 favourable effect Effects 0.000 description 7
- 230000008901 benefit Effects 0.000 description 3
- 238000001514 detection method Methods 0.000 description 3
- 238000005266 casting Methods 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 239000011810 insulating material Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000011347 resin Substances 0.000 description 2
- 229920005989 resin Polymers 0.000 description 2
- 208000037656 Respiratory Sounds Diseases 0.000 description 1
- 230000033228 biological regulation Effects 0.000 description 1
- 239000003990 capacitor Substances 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 229920001971 elastomer Polymers 0.000 description 1
- 239000000806 elastomer Substances 0.000 description 1
- 239000013536 elastomeric material Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 125000001181 organosilyl group Chemical group [SiH3]* 0.000 description 1
- 239000003973 paint Substances 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G5/00—Installations of bus-bars
- H02G5/06—Totally-enclosed installations, e.g. in metal casings
- H02G5/061—Tubular casings
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R15/00—Details of measuring arrangements of the types provided for in groups G01R17/00 - G01R29/00, G01R33/00 - G01R33/26 or G01R35/00
- G01R15/14—Adaptations providing voltage or current isolation, e.g. for high-voltage or high-current networks
- G01R15/16—Adaptations providing voltage or current isolation, e.g. for high-voltage or high-current networks using capacitive devices
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R19/00—Arrangements for measuring currents or voltages or for indicating presence or sign thereof
- G01R19/145—Indicating the presence of current or voltage
- G01R19/155—Indicating the presence of voltage
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B13/00—Arrangement of switchgear in which switches are enclosed in, or structurally associated with, a casing, e.g. cubicle
- H02B13/02—Arrangement of switchgear in which switches are enclosed in, or structurally associated with, a casing, e.g. cubicle with metal casing
- H02B13/035—Gas-insulated switchgear
- H02B13/0356—Mounting of monitoring devices, e.g. current transformers
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Measuring Instrument Details And Bridges, And Automatic Balancing Devices (AREA)
- Insulators (AREA)
Abstract
The utility model relates to a kind of conductor rail of the solid insulation for medium-pressure or high pressure, it comprise the electric conductor of metal that surrounds by the insulator be made up of solid material.Insulator has inner conducting layer and outer conducting layer.The section of outer conducting layer and separate with the connection of earth potential and be furnished with tapping.
Description
Technical field
The present invention relates to a kind of conductor rail of the solid insulation for medium-pressure or high pressure, it comprises the metallic conductor surrounded by the insulator be made up of solid material, described solid material is such as based on organosilyl elastomeric material, described insulator has the inner conducting layer that to conduct electricity with electric conductor and be connected and has outer conducting layer, be provided with in insulator region be such as coupled on outer conducting layer with the connection of earth potential.
Background technology
Prior art has disclosed this type of conductor rail multiple.The conductor rail of such design can be configured for the bus system of switchgear, or can form connection conductor rail between gas isolated distribution panelboard.
In order to determine that whether conductor rail is charged or whether itself and power supply are disconnected to carry out installation and maintenance operation, prior art recommends the solution such as utilizing suitable adapter directly to connect induction type voltage transformer.Also can the voltage transformer being used for bus-bar be arranged among distribution panelboard, then be connected by conduction and it is connected with bus-bar.
There is the casting resin insulating sleeve (eletrische Gie β harzdurchf ü hrung) watering injecting electrode and have capacitive partial pressure tap also known already.This type of sleeve pipe must be directly installed among distribution panelboard by manufactory, because be mainly used in gas isolated distribution panelboard.When then installing for the first time at the scene, conductor rail is connected with sleeve pipe.
Summary of the invention
Technical problem to be solved by this invention is, expansion is designed for the conductor rail of the solid insulation of middle pressure or high pressure, it comprise the electric conductor of metal that surrounds by the insulator be made up of solid material, described insulator has the inner conducting layer that to conduct electricity with electric conductor and be connected and has outer conducting layer, the connection with earth potential is provided with in the region of insulator, thus can in a cost-effective manner when there is no spatially more difficult setting and annex with high costs measuring voltage, especially also can reequip or install additional existing conductor rail.
This technical problem is by the conductor rail solution of the present invention by a kind of solid insulation for middle pressure or high pressure, it comprise the electric conductor of metal that surrounds by the insulator be made up of solid material, described insulator has the inner conducting layer that to conduct electricity with electric conductor and be connected and has outer conducting layer, the connection with earth potential is provided with in the region of insulator, according to the present invention, at least one section of described outer conducting layer and describedly separate with the connection of earth potential or isolate, and this section is equipped with tapping as capacitive couplings electrode.
According to the present invention, by the usual outer conducting layer that is connected with earth potential and earth potential electric isolution and used as capacitive couplings electrode.By the elementary electric capacity between the distance determination electric conductor on inner conducting layer and coupling electrode surface and coupling electrode.By outer conducting layer or a part of outer conducting layer are used as coupling electrode, just capacitor design can be obtained very large, thus realize reliable and sensitive in essence measuring-signal.Then by suitable contact making device (tapping), measuring-signal is supplied to voltage measurement system.
Simple, with low cost and direct voltage measurement can be realized on conductor rail by this arrangement.
Another advantage is that coupling electrode is positioned at outside insulator, and does not pour into a mould element or embedded element runs through insulator.Especially, when using elastomer as insulating material, damage of material can be avoided or form crackle.
Another advantage of this arrangement is, also stable and sufficiently high measuring-signal can be used for Partial Discharge Detection and analysis.The insulating properties of solid material is especially very responsive to partial discharge, and may therefore be destroyed.Therefore not only between the starting period, and the partial discharge amplitude on solid insulation conductor rail to usually also be checked afterwards.
Except the method that other is known, Partial Discharge Detection can also be utilized to carry out checking and identifying according to standard regulation.Such as from (cast) the embedded electrode coupling output capacitive measuring-signal casting resin sleeve pipe, and analytical equipment can be provided it to.
By the measuring-signal needed for arrangement generation Partial Discharge Detection of the present invention, and can provide it to analytical equipment equally.
Use outer conducting layer to be as another benefit of coupling electrode, coupling electrode directly reclines on insulator, therefore near the possible source of trouble.This is external has in the system of multiple conductor rail (such as bus-bar) can also produce multiple measuring-signal simultaneously.
Also old solid insulation bus system can be installed additional or be improved by the above-described execution mode according to conductor rail of the present invention.
One side is usual to be arranged in outside insulation compartment by this type of bus system, therefore easily close.Only need on the other hand to change respectively or some conductor rails in corresponding adaption system.
Tapping is used according to the present invention.Can install additional in low cost and simple mode or reequip existing equipment thus, and by using outer conducting layer can intercept sufficiently high voltage signal.
According to the execution mode that the first is favourable, the end cap that insulator can be fixed by pressure ring or the joint sleeve with the electric seal nipple of at least one taper, the outer conducting layer of end cap or joint sleeve is separated by insulating component and pressure ring or isolates.The existing parts as end cap or joint sleeve and so on can be used in this embodiment, and do not need to carry out other and change, only need the insulating component for electromotive force isolator.
Preferably insulating component is designed to ring washer, this ring washer has tapping and is furnished with at least one in side and is used for forming the guide rail (Leiterbahn) contacted with outer conducting layer.In this embodiment can by an only additional component, the insulation ring washer namely by having guide rail and tapping carries out voltage measurement in existing system.
Alternatively favourable execution mode, outer conducting layer (except with contact-making surface needed for guide rail except) can hide with insulating barrier.Outer conducting layer and earth potential can reliably be isolated by this additional insulating barrier (such as paint or film), and can not only Leakage prevention electric current, and can prevent the environmental impact factor as salt fog and so on.In conjunction with capacitive measurement system and integrated discharge device for overvoltage protection, sufficient anti-contact protection can be ensured.
According to another embodiment of the invention, the outer conducting layer of insulator can form section that is described and that separate or isolate with the connection of earth potential completely, can by the connection of insulating cover isolation with earth potential.Such as insulating cover can be designed to elastic hose, thus can produce with low cost.
Alternatively favourable execution mode, can be integrated in tapping among insulating cover as ring-type element or conductor contact pin (Leiterfahne), thus can form sufficiently high electric capacity.
Alternatively favourable execution mode, can not have to form described section of isolating with earth potential between two annular bar (Ringstreifen) of outer conducting layer on the outer surface of the insulator.So just can separate the rariable local region of outer conducting layer in a simple manner decoupled, and can voltage measurement be used it for.At this also maybe advantageously, by fixing or conductor contact pin that design is on described section or conducting loop-shaped bar form tapping in an electrically conductive manner.
Alternatively favourable execution mode, can arrange conductive covering layer to insulating barrier, and described conductive covering layer is connected with the outer conducting layer of described section both sides.The insulating barrier hiding described section can be connected with earth potential by this way, thus ensure anti-contact protection.
Alternatively favourable execution mode, described tapping is connected with voltage measurement system and/or Partial Discharge Measurement System.
Accompanying drawing explanation
Following according to favourable execution mode mere exemplifying set forth the present invention.In the accompanying drawings:
Fig. 1 illustrates the cutaway view of the conductor rail with end cap;
Fig. 2 illustrates the cutaway view of the another kind of execution mode of solid insulation conductor rail;
Fig. 3 illustrates the partial sectional view of the third execution mode of solid insulation conductor rail; And
Fig. 4 illustrates a kind of alternate embodiment of tapping.
Embodiment
Figure 1 shows that the first execution mode of the solid insulation conductor rail for medium-pressure or high pressure, it has metallic conductor 10, this electric conductor in the embodiment shown in the figures in a tubular form, and surround by the insulator be made up of solid material, this insulator is the end cap 12 of hat shape in the embodiment shown in the figures, end cap is pressed on insulating housing portion 16 by metal pressure ring 14, thus is fixed on corresponding housing.Housing parts 16 and end cap 12 around edge between form the electric seal nipple 18 of taper, sealing joint is used as accurate joint (Edelfuge), namely process boundary face very accurately, it can avoid dirty or other foreign matter invade and cause electrical breakdown.
In this embodiment, in the region of insulator 12, be provided with the connection 20 with earth potential, by the mode of metal pressure ring 14 ground connection being formed connection that is described and earth potential.
The end cap 12 forming solid insulator in the embodiment shown in fig. 1 has the inner conducting layer 22 for carrying out field control, by contact, inner conducting layer is conducted electricity with metallic conductor 10 and is connected.End cap 12 also has the outer conducting layer 24 be arranged on the whole outer surface of end cap 12.In order to by this outer conducting layer 24 section with describedly separate with the connection 20 of earth potential or isolate, between pressure ring 14 and end cap 12, be provided with the ring washer 26 of insulation, this ring washer is by pressure ring 14 and outer conducting layer 24 electric isolution.Also isolated with earth potential by end cap 12 section of ring washer 26 with pressure ring 14 electric isolution thus, and the capacitive couplings electrode of design on ring washer 26 can be utilized to arrange tapping 28 to described section.
In order to form capacitive couplings electrode, ring washer 26 has the guide rail with outer conducting layer 24 conductive contact in the side pointing to end cap 12 in a part of scope of its girth, is connected on the guideway by tapping 28.
Outside the contact-making surface be connected with guide rail of ring washer 26, additional insulating barrier can be utilized to hide outer conducting layer 24, strongly this insulating barrier is shown enlargedly with Reference numeral 30 local in FIG.
(such as between distribution panelboard) joint sleeve can be utilized equally to substitute end cap and realize above-described execution mode, then just need two insulating components, but wherein only have one must have tapping.
Figure 2 shows that the another kind of execution mode of the solid insulation conductor rail for medium-pressure or high pressure, it comprises metallic conductor 10, this electric conductor is designed to the solid bar with circular cross section in the embodiment shown in the figures, and surround by the insulator 12 be made up of solid material.Described insulator 12 also has the outer conducting layer 24 conducted electricity on the inner conducting layer 22 be connected and the outer surface being in cylindrical insulator 12 by contact and electric conductor 10 here.
Conductor rail shown in Fig. 2 inserts among the joint sleeve 17 be made up of insulating material, is provided with to conduct electricity the electric conductor 19 be connected with metallic conductor 10 in the inside of joint sleeve 17.Joint sleeve 17 has conductive layer 23 on its outer surface, and described conductive layer 23 is connected with described to conduct electricity with the connection 20 of earth potential again.Therefore in this embodiment, in the region of insulator 12, the connection 20 with earth potential is also provided with.
In the embodiment shown in figure 2, outer conducting layer 24 and earth potential are isolated by the insulating cover 31 of elastic hose form, therefore outer conducting layer 24 forms the section of isolating with earth potential completely.In order to form tapping 28, be placed on outer conducting layer 24 by the ring-type element 41 of conduction, this ring-type element conducts electricity with tapping 28 and is connected.Elastic hose is enclosed within ring-type element 41, is namely arranged in below insulating cover 31 by ring-type element 41.
In this embodiment, can select to arrange conductive layer 43 on the outer surface of insulating cover 31, this conductive layer is connected or the (not shown in FIG.) that also can directly be connected with earth potential with earth potential by conductive layer 23.
Figure 3 shows that the another kind of execution mode of solid insulation conductor rail, it comprises bar-shaped metallic conductor 10, this electric conductor surround by the cylindrical insulator 12 be made up of solid material, described insulator 12 has the inner conducting layer (not shown in FIG.) of to conduct electricity with electric conductor 10 and being connected and has outer conducting layer 24, and described outer conducting layer 24 has the connection with earth potential.The section 25 of outer conducting layer 24 is separated by a distance and do not have the annular bar 27,29 of outer conducting layer 24 and describedly to isolate with the connection 20 of earth potential by two on insulator 12 outer surface.The section 25 of being isolated by annular bar 27,29 and earth potential is used as capacitive couplings electrode and is furnished with the tapping 28 that can be connected with voltmeter.
In order to isolate section 25, the insulating barrier 51 hiding section 25 is set in this embodiment, and this insulating barrier extends among the region of annular bar 27 and 29 vertically.Be provided with above insulating barrier 51 in addition and conduct electricity the conductive covering layer 53 be connected in section 25 both sides with outer conducting layer 24.
Figure 4 shows that the execution mode being similar to Fig. 3, wherein identical parts are all equipped with identical Reference numeral.In this embodiment, tapping 28 is contacted being arranged in the conductor contact pin 61 on section 25.At this, between the cover layer 53 and outer conducting layer 24 of conduction, draw tapping 28 with insulating from the side.
Claims (13)
1. the conductor rail for the solid insulation of middle pressure or high pressure, comprise the electric conductor (10) of metal that surrounds by the insulator (12) be made up of solid material, described insulator (12) has the inner conducting layer (22) that to conduct electricity with electric conductor (10) and be connected and has outer conducting layer (24), be provided with in the region of insulator (12) and the connection of earth potential (20), it is characterized in that, at least one section (25) of described outer conducting layer (24) and describedly to separate with the connection (20) of earth potential, and this section is equipped with tapping as capacitive couplings electrode.
2. conductor rail according to claim 1, it is characterized in that, described insulator is by the fixing end cap (12) of pressure ring (14) or the joint sleeve with at least one especially tapered electric seal nipple (18), and the outer conducting layer of described end cap (12) or joint sleeve is separated by insulating component (26) and pressure ring (14).
3. conductor rail according to claim 2, it is characterized in that, described insulating component is designed to ring washer (26), and this ring washer has tapping (28) and is furnished with at least one in side for contacting the guide rail of described outer conducting layer (24).
4. conductor rail according to claim 3, is characterized in that, described outer conducting layer (24) is covered by insulating barrier (30) in the contact-making surface outside with guide rail.
5. conductor rail according to claim 1, is characterized in that, the outer conducting layer (24) of described insulator (12) forms described section completely, and insulating cover (31) separates the connection with earth potential.
6. conductor rail according to claim 5, is characterized in that, described insulating cover is designed to elastic hose (31).
7. conductor rail according to claim 5, is characterized in that, is integrated among described insulating cover (31) by described tapping as ring-type element (41) or conductor contact pin.
8. conductor rail according to claim 1, it is characterized in that, described section (25) is formed between two annular bar (27,29) of the not arranging outer conducting layer (24) on described insulator (12) outer surface.
9. conductor rail according to claim 8, is characterized in that, described tapping (28) is made up of the annular bar (41) of the conductor contact pin be fixed on conductively on described section (25) or conduction.
10. conductor rail according to claim 8 or claim 9, it is characterized in that, described section (25) is covered by insulating barrier (51).
11. conductor rails according to claim 10, is characterized in that, described insulating barrier (51) is equipped and conducts electricity the conductive covering layer (53) be connected with the outer conducting layer (24) of described section (25) both sides.
12. conductor rails according to claim 4, is characterized in that, described insulating barrier or insulating cover are covered by the conductive layer that can be connected with earth potential.
13. conductor rails according to claim 1, is characterized in that, described tapping (28) is connected with voltage measurement system and/or Partial Discharge Measurement System.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE201310219268 DE102013219268A1 (en) | 2013-09-25 | 2013-09-25 | Solid insulated busbar |
| DE102013219268.1 | 2013-09-25 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204391650U true CN204391650U (en) | 2015-06-10 |
Family
ID=52623594
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420688441.0U Expired - Lifetime CN204391650U (en) | 2013-09-25 | 2014-09-25 | A kind of conductor rail of the solid insulation for middle pressure or high pressure |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN204391650U (en) |
| DE (1) | DE102013219268A1 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109313221B (en) * | 2016-06-23 | 2020-12-29 | 三菱电机株式会社 | Voltage detection device and gas insulated switchgear equipped with voltage detection device |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE10119333C5 (en) * | 2001-04-20 | 2005-06-16 | Felten & Guilleaume Ag | Electrical switchgear |
-
2013
- 2013-09-25 DE DE201310219268 patent/DE102013219268A1/en active Pending
-
2014
- 2014-09-25 CN CN201420688441.0U patent/CN204391650U/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| DE102013219268A1 (en) | 2015-03-26 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20150610 |