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
  • H02G5/04—Partially-enclosed installations, e.g. in ducts and adapted for sliding or rolling current collection
• • H—ELECTRICITY
  • H01—ELECTRIC ELEMENTS
  • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
  • H01R25/00—Coupling parts adapted for simultaneous co-operation with two or more identical counterparts, e.g. for distributing energy to two or more circuits
  • H01R25/14—Rails or bus-bars constructed so that the counterparts can be connected thereto at any point along their length

Definitions

• Electric conductor for an electrical device in particular busbar conductor for a medium voltage electrical installation
• the invention relates to a conductor for an electrical device, in particular a busbar conductor for a medium-voltage electrical switchgear.
• Known medium-voltage switchgear have a current conductor, which has one or two adjacent ribbon conductors, which are associated with shielding, which are formed on both sides of the ribbon conductor by semi-circular profiles, see ABB Calor Emag pocketbook, switchgear, 10th edition, page 397, Figure 8-24 ,
• a busbar conductor system for high voltage systems has become known, in which three bus bars are fastened to a carrier, each consisting of two circular bus-shaped busbar sections, so that due to the shape of a suitable field distribution is achieved. Such an arrangement is intended for high voltage, but not for medium voltage, which is particularly to be seen in that the bus bars are housed in a characteristic of high-voltage systems metal enclosure.
• a gas-insulated three-phase busbar system has become known which, in one alternative, has a cylindrical shape, the cylinder shape being divided in the area of a generating line; on the mutually facing end edges inwardly projecting lugs are formed, can be connected via the appropriate attachment elements connecting conductor, in particular connection cable.
• the busbar consists of two semi-cylindrical sections whose concave sides face each other, wherein on one surface line the two sections are fastened together by means of a connecting device and at the diametrically opposite surface line connection elements for connection cable and the like can be attached.
• the object of the invention is to provide a current conductor for an electrical device, in particular a busbar conductor for a medium voltage electrical system, which can be made simplified compared to the known device.
• the conductor has a central portion of electrically conductive material, to which electrical components, e.g. Connection contact pieces and the like, or components of insulating material, in particular support elements, can be fixed.
• the conductor further has on both sides of the central portion subsequent and at least this overlapping field-controlling Ableab songse of electrically conductive material, wherein the shielding also cover any electrical components used.
• At least the central portion can be made of e- lektrisch conductive material by extrusion.
• the shielding of electrically conductive material may be prepared by extrusion.
• the central portion may be made in one piece with the shielding elements of electrically conductive material by extrusion, wherein the electrically conductive material may be aluminum or an aluminum alloy.
• the central portion may have an elongated base portion, are preferably formed perpendicular thereto at a distance from each other and in the same direction projecting webs whose free ends are provided with transverse strips, between which the electrical components can be fixed.
• the base portion may be formed flat or arcuate.
• transverse strips can each form an L or T shape with the webs, wherein a distance sufficient for fixing the electrical components or any support elements is formed between the oppositely directed longitudinal edges of the transverse strips.
• the shielding sections can connect to the base section of the central section, can thus be integrally formed in a further embodiment.
• the shielding sections can be formed from electrically conductive plastic.
• Each shielding element is approximately C-shaped, with the concave sides facing each other and taking the central portion between them.
• the shielding elements can be made integrally with one another, preferably made of electrically conductive plastic, wherein the central portion can be latched within the shielding elements. Further advantageous embodiments of the invention can be found in the further subclaims.
• FIG. 1 shows a first embodiment of a busbar, in cross section
• Fig. 4 is a sectional view through the busbar of FIG. 1 showing a busbar holder
• FIG. 5 shows three busbars according to FIG. 1 on a single busbar holder similar to that of FIG. 4.
• a busbar according to the invention or a current conductor 10 according to the invention has a central portion 11 which has a base portion 12 which is formed like a ribbon conductor. At this base portion 12 close at a distance from each other and perpendicular to extending webs 13 and 14, at the free ends transverse webs 15 and 16 are formed, take their facing each other edges 17 and 18 a distance D between them. At the base portion 12 close on both sides about C-shaped shielding sections 19, 20, the free mutually facing each other longitudinal edges 21 and 22 allow access to the central portion 11.
• Such an embodiment according to FIG. 1 may preferably be made of aluminum easily by extrusion.
• Fig. 1 shows an electrical contact piece 23, which is formed as a tulip contact piece with integrally formed on a base plate 24 fingers (not shown).
• a T-shaped projection 25 is provided, which engages behind the edges 17 and 18 of the transverse webs 15 and 16, so that the contact piece 23 at the Gottab- 11 can be fixed.
• the contact piece 23 can be engaged or screwed or inserted in otherwise suitable manner.
• the busbar 10 can be fixed on a carrier 40 made of insulating material.
• the carrier 40 of insulating material has resilient latching arms 41 and 42 which engage with their detents 43 and 44 behind the outer edge of the transverse webs 15 and 16, wherein the two latching arms 41 and 42 take the transverse webs 15 and 16 respectively between them.
• the carrier 40 has, as is apparent from Fig. 5, a flat, rectangular in cross-section base 50, are formed on the arms 51 to 53, so that in this way results in an E-shape; the free ends of the arms 51 to 53 are as shown in Fig. 4, formed so that on the carrier 40, three bus bars 10 a, 10 b and 10 c can be snapped, according to the number of phases.
• a central section 30 which has a flat base section 31, on which webs 32 and 33 extending perpendicular thereto and transverse webs 34 and 35 formed thereon are integrally formed.
• This central portion with the base portion 31, the webs 32, 33 and the transverse webs 34, 35 can be made by extrusion and takes over the function of the power supply of the busbar.
• This central portion 30 is associated with a C-shaped Abtenprofil 36, which the shielding portion 19 and 20 corresponding to be connected to a central portion or intermediate piece 39 leg 37 and 38, which in turn may be C-shaped.
• a central portion 39 of the C-shape locking lugs 54 and 55 are formed, behind which the base portion 31 can be snapped.
• This shielding profile 36 with the locking lugs 54, 55 can also be made by extruding either aluminum or an electrically conductive plastic.
• a central section 60 is provided with a base section 61, on the longitudinal edges of which webs 62, 63 extending perpendicularly thereto are integrally formed, at the free ends of which, in turn, transverse webs 64 and 65 are connected.
• the base portion 61 On both sides of the base portion 61 are the shielding elements 19 and 20 speaking C-shaped shielding 66 and 67, for example, in which the central portion 60 is partially molded into the shielding members 66 and 67.
• Essential in the embodiments according to Figures 2 and 3 is a good electrically conductive connection between the central portion 30 and the shielding member 36 and 60 and the shielding 66, 67 so that they can also perform their function.
• the length of the legs 19, 20; 37, 38; 66, 67 is due to the size of fixable on the central portion 11 electrically conductive components, so that in each case these electrically conductive components are covered by the Ableschenkeln.

Landscapes

• Installation Of Bus-Bars (AREA)
• Connector Housings Or Holding Contact Members (AREA)

Applications Claiming Priority (2)

Publications (1)

Family

ID=37907390

Family Applications (1)

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Families Citing this family (7)

Family Cites Families (12)

• 2006
  • 2006-01-25 DE DE102006003432A patent/DE102006003432A1/de not_active Ceased
• 2007
  • 2007-01-24 US US12/162,314 patent/US7847193B2/en active Active
  • 2007-01-24 WO PCT/EP2007/000565 patent/WO2007085424A1/de active Application Filing
  • 2007-01-24 EP EP07702974A patent/EP1977489A1/de not_active Withdrawn
  • 2007-01-24 CN CNA200780003509XA patent/CN101375477A/zh active Pending
• 2008
  • 2008-08-25 NO NO20083657A patent/NO20083657L/no not_active Application Discontinuation

Non-Patent Citations (1)

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