WO2000033434A1 - Schaltanlagen mit leistungschaltereinrichtungen - Google Patents
Schaltanlagen mit leistungschaltereinrichtungen Download PDFInfo
- Publication number
- WO2000033434A1 WO2000033434A1 PCT/DE1999/003764 DE9903764W WO0033434A1 WO 2000033434 A1 WO2000033434 A1 WO 2000033434A1 DE 9903764 W DE9903764 W DE 9903764W WO 0033434 A1 WO0033434 A1 WO 0033434A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- switching
- switchgear
- circuit breaker
- contact
- busbars
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B11/00—Switchgear having carriage withdrawable for isolation
- H02B11/28—Earthing arrangements
Definitions
- the invention relates to switchgear
- Circuit breaker devices in particular air-insulated medium-voltage switchgear, with busbars and cable branches for energy supply and distribution.
- Switchgear of the type defined at the outset are known in various designs and serve for switchable energy supply and distribution within the existing supply networks.
- the electrical energy supplied via the cable branches must be connected to the busbars or switched off in the event of a fault, and on the other hand there is a need to connect the cables and the busbars to ground potential for installation and maintenance work for safety reasons.
- Both requirements are met in the usual way by separate circuit breakers for switching the energy and by so-called multi-position switches or three-position switches.
- the circuit breakers and the multi-position switches are arranged in a wide variety of correlations with each other, depending on the type of system, and are also housed separately in the switchgear.
- the circuit breaker devices each contain a contact unit and a switching tube
- the contact units can be connected to earth potential rails within the circuit breaker devices
- Cable branches connectable, reached.
- the invention is based on the finding that the circuit breaker devices are designed so that a switching tube is combined with a contact unit and this contact unit can, if necessary, connect earth potential to the busbars and / or to the cable branches.
- a compact circuit breaker device is achieved which, moreover, can be realized with considerably less apparatusive effort compared to the previously known solutions.
- the features 2.1 are the switching trays within the
- Circuit breaker devices arranged between the contact units, 2.2 the contact units each have an upper moving contact and a lower moving contact, 2.3 the upper moving contact and the lower moving contact can be moved independently of one another between two end positions.
- the arrangement of the switching tubes between the upper and the lower moving contact of the contact unit meets the requirement for a simple, compact design of these functionally merged switching components in a particularly advantageous manner.
- the independently movable movable contacts between the two end positions can be accomplished by very simple control mechanisms.
- the lower moving contacts are electrically conductively connected to the movable contact parts of the switching tubes.
- the four essential switching positions are realized in a simple manner, the first switching position allowing the condition of the grounding of the busbars and the cable outlets in the event of maintenance, the second switching position in which the busbars with the fixed ones Contact parts of the switching tubes and the cable branches with the movable
- FIG 1 shows the grounding of the busbars and cable outlets in
- FIG. 2 shows the switching of the energy from the cable branches to the busbars in the operating state and FIGS. 3 and 4 show the grounded state of the cable outlets or the busbars in the corresponding switching states.
- the switchgear SA is shown only in part with the relevant components.
- the switching tubes SR are arranged between the contact unit KE within the circuit breaker device LE.
- the contact unit KE contains the upper moving contact KO and the lower moving contact KU, each between two end positions from the earth potential rail ES to the busbar and
- Cable branch can be moved independently of one another.
- the upper moving contact KO of the contact unit KE is always connected in an electrically conductive manner to the fixed contact part of the switching tubes SR and the lower moving contact KU of the contact unit KE is connected to the movable contact part of the switching tubes SR.
- the switching states required in this technology can be produced in a simple manner by means of the independently movable upper and lower moving contacts KO, KU, with FIG. 1 showing the earthed busbar and the earthed cable branch KA, for example in the state of maintenance work, which
- FIG. 2 shows the busbar SS connected to the fixed contact part of the switching tube SR with the cable outlet KA grounded at the same time via the earth potential bus ES
- FIG. 3 shows the busbar SS connected to the cable outlet KA - not shown - the busbar SS
- FIG. 4 represents the connection of the cable outlet KA to the movable contact part of the switching tube SR via the lower moving contact KU of the circuit breaker device LE and at the same time busbar SS grounded via the ground potential rail ES via the upper moving contact KO of the circuit breaker device LE.
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Gas-Insulated Switchgears (AREA)
- High-Tension Arc-Extinguishing Switches Without Spraying Means (AREA)
Abstract
Description
Claims
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP99962085A EP1142075A1 (de) | 1998-11-30 | 1999-11-24 | Schaltanlagen mit leistungsschaltereinrichtungen |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE1998156772 DE19856772A1 (de) | 1998-11-30 | 1998-11-30 | Schaltanlagen mit Leistungsschaltereinrichtungen |
DE19856772.3 | 1998-11-30 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2000033434A1 true WO2000033434A1 (de) | 2000-06-08 |
Family
ID=7890498
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/DE1999/003764 WO2000033434A1 (de) | 1998-11-30 | 1999-11-24 | Schaltanlagen mit leistungschaltereinrichtungen |
Country Status (4)
Country | Link |
---|---|
EP (1) | EP1142075A1 (de) |
DE (1) | DE19856772A1 (de) |
RU (1) | RU2001117843A (de) |
WO (1) | WO2000033434A1 (de) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP2363932A1 (de) * | 2010-03-01 | 2011-09-07 | Eaton Industries (Netherlands) B.V. | Schaltanordnung für eine elektrische Schaltanlage |
EP3696007B1 (de) * | 2019-02-18 | 2021-10-06 | Bombardier Transportation GmbH | Anordnung zum erden eines gleichspannungszwischenkreises |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2550665A1 (fr) * | 1983-08-08 | 1985-02-15 | Merlin Gerin | Cellule ou tableau electrique blinde a isolement gazeux et a architecture extensible |
-
1998
- 1998-11-30 DE DE1998156772 patent/DE19856772A1/de not_active Ceased
-
1999
- 1999-11-24 EP EP99962085A patent/EP1142075A1/de not_active Ceased
- 1999-11-24 RU RU2001117843/09A patent/RU2001117843A/ru not_active Application Discontinuation
- 1999-11-24 WO PCT/DE1999/003764 patent/WO2000033434A1/de not_active Application Discontinuation
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2550665A1 (fr) * | 1983-08-08 | 1985-02-15 | Merlin Gerin | Cellule ou tableau electrique blinde a isolement gazeux et a architecture extensible |
Also Published As
Publication number | Publication date |
---|---|
RU2001117843A (ru) | 2003-06-27 |
DE19856772A1 (de) | 2000-05-31 |
EP1142075A1 (de) | 2001-10-10 |
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