EP1039495A2 - Verfahren zur Strombegrenzung in Niederspannungsnetzen, zugehörige Anordnung sowie spezielle Verwendung dieser Anordnung - Google Patents
Verfahren zur Strombegrenzung in Niederspannungsnetzen, zugehörige Anordnung sowie spezielle Verwendung dieser Anordnung Download PDFInfo
- Publication number
- EP1039495A2 EP1039495A2 EP00105562A EP00105562A EP1039495A2 EP 1039495 A2 EP1039495 A2 EP 1039495A2 EP 00105562 A EP00105562 A EP 00105562A EP 00105562 A EP00105562 A EP 00105562A EP 1039495 A2 EP1039495 A2 EP 1039495A2
- Authority
- EP
- European Patent Office
- Prior art keywords
- arc
- contact
- arrangement according
- arrangement
- current
- 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.)
- Granted
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Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H33/00—High-tension or heavy-current switches with arc-extinguishing or arc-preventing means
- H01H33/60—Switches wherein the means for extinguishing or preventing the arc do not include separate means for obtaining or increasing flow of arc-extinguishing fluid
- H01H33/66—Vacuum switches
- H01H33/664—Contacts; Arc-extinguishing means, e.g. arcing rings
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H33/00—High-tension or heavy-current switches with arc-extinguishing or arc-preventing means
- H01H33/60—Switches wherein the means for extinguishing or preventing the arc do not include separate means for obtaining or increasing flow of arc-extinguishing fluid
- H01H33/66—Vacuum switches
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H33/00—High-tension or heavy-current switches with arc-extinguishing or arc-preventing means
- H01H33/02—Details
- H01H33/04—Means for extinguishing or preventing arc between current-carrying parts
- H01H33/08—Stationary parts for restricting or subdividing the arc, e.g. barrier plate
- H01H33/10—Metal parts
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H33/00—High-tension or heavy-current switches with arc-extinguishing or arc-preventing means
- H01H33/60—Switches wherein the means for extinguishing or preventing the arc do not include separate means for obtaining or increasing flow of arc-extinguishing fluid
- H01H33/66—Vacuum switches
- H01H33/664—Contacts; Arc-extinguishing means, e.g. arcing rings
- H01H33/6646—Contacts; Arc-extinguishing means, e.g. arcing rings having non flat disc-like contact surface
Definitions
- the invention relates to a method for current limitation in low-voltage networks, in the case of the resulting operating currents diffuse arc modes of a Arc occur and in the event of a short circuit Splitting the arc into partial arcs one behind the other becomes.
- the invention relates to an arrangement to carry out the process as well as specific Uses this arrangement.
- switchgear and distribution boards In low-voltage networks, switchgear and distribution boards must also handle short-circuit currents of up to 200 kA rms in addition to the operating currents. Switching such currents with circuit breakers requires considerable technical effort and is associated with a drastic reduction in the service life of the switching arrangement in the case of selective switches. In the event of arcing faults, the high currents can result in major damage to systems and a serious risk to people. Circuit breakers are therefore required which interrupt these currents with as little effort as possible and / or significantly limit them. Components that can achieve such a limitation independently of a shutdown, in order to relieve the actual switching element, would also be suitable for the same purpose.
- the object of the invention is therefore to develop new methods for current limitation to propose and corresponding orders create and specify related applications.
- vacuum interrupters are used with such Contact configurations used in which an in Direction to the current in the arc transverse transverse magnetic field occurs, the arc through suitable divider plates is divided into partial arcs. Possibly the arc can also remain in one piece, in which If the divider plates outside the arc thread as Arc cooling plates are used.
- the vacuum interrupters used in the invention with current-limiting property thus consists of at least two contacts with measures to generate radially directed Magnetic fields, at least one of which is in contact Movable direction of the power supply relative to the other contact is made of a vacuum-tight envelope, an insulator as well as a largely insulated electrically suspended Sheet package for main arcing enclosing main contacts.
- a modified vacuum interrupter can advantageously be used be used in circuit breakers, which thereby get a current limiting function and therefore for Larger nominal currents can be used than with vacuum interrupters conventional design is possible.
- the vacuum interrupters are in a known manner in the operating state kept closed and when a fault occurs actively opened by a suitable drive mechanism.
- Another advantageous area of application results from the possibility of switching tubes as a current-limiting fuse element to use.
- the key idea is the switching tube to keep closed for operating currents only by spring force. If a short circuit occurs, the is briefly occurring high currents between the contacts generated so high contact-withdrawing current force that the Disconnect contacts. By an appropriate mechanism can then be exceeded when a preset value is exceeded Release force release the springs so that the contacts by the magnetic forces as well as those acting in the arc Release the pressure force completely from each other.
- This allows the Contact arrangement the described current-limiting effect build up and the current flowing in the distribution network on im Low current values compared to the prospective short-circuit current limit.
- the rather passive vacuum interrupter in this case thus has a fuse-like, current-limiting Effect and can either work as a one-time backup used or with a suitable design, similar to a circuit breaker, can also be reset several times.
- Figures 1 and 2 thus show an arrangement that is those used in conventional low voltage circuit breakers Air switch chambers leaned, using suitable materials used for an indicated vacuum interrupter VS. become. This arrangement shows at high short-circuit currents good current limiting behavior.
- One in the area of the divider plates 6a to 6j stationary burning arc with several 10 kA can, however, if necessary, the divider plates and destroy the outer contact area affected by the arc and therefore do not allow a sufficient lifespan.
- 11 and 12 mean two contact bolts for power supply, one of which is via a not shown Bellows is designed to be movable. Even the real one Vacuum interrupter is not shown in detail.
- the divider plates 16a to 16k are on the end introduced into a ceramic holder 17 and is according to Figure 4 has at least one radial slot 18.
- the arrangement is essentially from two contact pieces 13 and 14 and the arrangement 15 with the annular arc splitter plates 16a to 16h.
- the basis of this embodiment is that the functioning of Vacuum switch contacts with radial magnetic field and rotating Arc is modified so that the circumferential Arc directed through the magnetic field into a stack of quenching sheets and thereby - while maintaining the rotation - into one Series of series-connected, rapidly rotating individual arcs is split up.
- This previously unknown Measure can both the thermal load of all affected contact parts are kept low as well at the same time such a large amount of burning voltage is built up be that the prospective short circuit current on in this Geometry controllable amplitudes is limited.
- the layout of the contact pieces 13 and 14 is similar to that of the spiral contacts used in vacuum switching technology.
- the magnetic force acting on the intense arc that arises between the separating contact pads has components that drive the arc in the direction of a rotating race 19.
- an extension of the arc is achieved by chamfering the contact pieces 13 and 14.
- the arc will switch to diffuse mode and thereby extend over the entire contact surface if a limit current of I G ⁇ 15-25 kA, which is dependent on the contactor diameter D, is not exceeded.
- the arc In the case of instantaneous currents which are above this limit value, on the other hand, the arc remains in the contracted mode, whereby its voltage requirement during hiking increases as a result of the extension to a few 100 V and thus the current limitation becomes effective.
- the voltage requirement of a long arc In the vicinity of the race 19, the voltage requirement of a long arc will be greater than the sum of the voltage requirements of partial arcs, between two individual divider plates 16a to 16h or between the race 19 and one of the divider plates 16a to at least for the unstable arcing configurations that occur again and again Burn 16h.
- the commutation of the long arc into the area of the divider plates and its division takes place within a few microseconds.
- the running direction of between two of the divider plates 16a contracted arcs up to 16h is due to the local magnetic field determined by the current flow in the Contact pieces or races and the divider plates depends.
- the directions of individual partial arcs can therefore for the individual sheets, as in FIG. 7 for a section the divider plates and races are shown, different his.
- the arc must be rapid move from the contact pads towards the divider plates.
- the commutation in the area of the divider plates be done quickly so that re-ignitions in the back of the Arc and thus arc voltage drops can be avoided.
- the main body of the contact pieces should be made of oxygen-free copper (Cu) or the material of the contact pads such as. B. chrome copper (CrCu) or tungsten copper (Wcu) exist. Numerous investigations are known from the literature, according to which these materials are suitable for vacuum switching contacts with regard to their running and reigniting behavior.
- the contact pieces are preferably designed as spiral contacts and have 3-5, preferably 4 slots, which can be designed according to Appendix 4 or one of the in the application 19624920.1 v. June 21, 1996 have the forms described.
- the running area of the arc in the outer area of the spiral blades can, as shown in Appendix 2 as an example, also be formed by an additional race made of a burn-resistant contact material such as chrome-copper (CrCu), tungsten-copper (WCu) or tungsten-carbide-copper (WCCu) become.
- CrCu chrome-copper
- WCu tungsten-copper
- WCCu tungsten-carbide-copper
- the material for the divider plates is both oxygen-free Copper (Cu) or chrome-copper (CrCu) due to their commutation behavior a flawless occurrence and arc running guarantee, as well as stainless steels on.
- Cu oxygen-free Copper
- CrCu chrome-copper
- the divider plates should provided with at least one slot in the radial direction his.
- the width of the divider plates should be around b ⁇ 0.1 - 0.3 * D, where D is the outside diameter of the contacts is.
- the width a of the races is usefully not larger than that of the divider plates; but it must be wider than be the largest base diameter. It will therefore chosen for a ⁇ 0.5 - 1.0 * b.
- pot contacts used from vacuum switching technology.
- these pot contacts there is a corresponding slot the radial magnetic field is generated in the carrier part of the pot.
- FIGS. 5 and 6, 21 and 22 mean two contact bolts for power supply, one of which is via a not shown Bellows is designed to be movable.
- the real one Vacuum interrupter VS is again only hinted at.
- Pot contact pieces 23 and 24 available, as from the state of Technology are known. Through such slotted pot contacts can, provided two are symmetrically opposite Pot contact pieces 23 and 24 slots inclined towards each other have one with respect to the current direction in the arc Generate transverse magnetic field, so that such contact pieces also called radial field contacts.
- On the actual pot contacts 23 and 24 are for the actual Contact rings 29 applied from contact material.
- the Rings 29 have a corresponding to the arrangement of Figure 3 specific shape.
- each individual contact piece consists in particular of one Contact body 30, in the straight slots 31 under predetermined Incline are introduced.
- Example II For simplified production, in Example II are in one Contact plate 200 with a circular recess 205 three tangential straight slots 201 to 203 introduced. Here results essentially the same effect.
- Examples III and IV there are 300 in the contact plates or 400 with concentric recesses 305 or 405 as well straight slots 301 to 304 or 401 to 404 are present, which are bent at right angles in example III and in the example IV are provided with circular recess 205.
- Such Slots can also be comparatively easily inserted into existing ones Contact plates are introduced.
- the contact pieces in the switching tube for the operating currents Spring force must be closed, when a short circuit occurs a contact-withdrawing current force is generated, which separate the contact pieces. It is for one in such a case also possible if a short circuit occurs to release a latching mechanism by means of the current and the contact pieces by spring force, pneumatic or hydraulic separate from each other.
Landscapes
- Arc-Extinguishing Devices That Are Switches (AREA)
- High-Tension Arc-Extinguishing Switches Without Spraying Means (AREA)
Abstract
Description
- Figur 1
- eine erste Anordnung von in einer Vakuumschaltröhre befindlichen Kontakten mit zugeordneten Lichtbogenteilerplatten in seitlicher Schnittdarstellung,
- Figur 2
- die Draufsicht auf eine Anordnung gemäß Figur 1,
- Figur 3
- eine bevorzugte Anordnung mit Kontakten für Transversalmagnetfelder in seitlicher Schnittdarstellung,
- Figur 4
- eine Draufsicht auf die Anordnung gemäß Figur 3,
- Figur 5
- eine Anordnung mit Topfkontakten zur Generierung eines radialen Magnetfeldes und zugehörigen Teilerplatten,
- Figur 6
- eine Draufsicht auf die Anordnung gemäß Figur 5,
- Figur 7
- eine Schnittdarstellung zur Verdeutlichung der Funktion der Teilerplatten und
- Figur 8
- unterschiedliche Beispiele für vom Stand der Technik vorbekannte Elektrodengeometrien.
Claims (23)
- Verfahren zur Strombegrenzung in Niederspannungsnetzen, bei dem im Betriebsfall bei den dabei auftretenden Betriebsströmen diffuse Bogenmoden eines Lichtbogens auftreten und bei dem im Kurzschlußfall der Lichtbogen in hintereinander liegende Teillichtbögen aufgespalten wird, gekennzeichnet durch die Verwendung von Vakuumschaltröhren.
- Verfahren nach Anspruch 1, dadurch gekennzeichnet, daß wenigstens eine Vakuumschaltröhre mit wenigstens einem Radialfeldkontakt verwendet wird, bei der die Schaltkontakte ein gegenüber der Stromrichtung im Lichtbogen senkrecht verlaufendes Magnetfeld erzeugen und ein umlaufender Lichtbogen bewirkt wird, wobei der umlaufende Lichtbogen durch das Magnetfeld und durch mindestens eine Lichtbogenteilerplatte unter Beibehaltung der Rotation in eine Serie von hintereinander geschalteten, rasch umlaufenden Einzellichtbögen aufgespalten wird (FIG 3/4, FIG 5/6).
- Verfahren nach Anspruch 1, dadurch gekennzeichnet, daß ein Radialfeldkontakt einerseits und ein abgeschrägter Plattenkontakt andererseits verwendet werden.
- Verfahren nach Anspruch 2, dadurch gekennzeichnet, daß wenigstens eine Vakuumschaltröhre mit wenigstens einem Radialfeldkontakt verwendet wird, bei der die Schaltkontakte ein gegenüber der Stromrichtung im Lichtbogen senkrecht verlaufendes Magnetfeld erzeugen und ein umlaufender Lichtbogen bewirkt wird, der Lichtbogen einteilig bleibt und die Teilerplatten außerhalb des Lichtbogenpfades als Lichtbogenkühlplatten verwendet werden (FIG 3/4, FIG 5/6).
- Verfahren nach Anspruch 1, dadurch gekennzeichnet, daß wenigstens eine Vakuumschaltröhre mit transversalen Magnetfeld verwendet wird und daß ein in einer nicht rotationssymmetrischen Kontaktanordnung geradlinig laufender Lichtbogen verwendet wird, wobei der Lichtbogen durch das Magnetfeld und durch mindestens eine Lichtbogenteilerplatte unter Beibehaltung der Bewegung in eine Serie von hintereinander geschalteten Einzellichtbögen aufgespalten wird (FIG 1/2).
- Verfahren nach Anspruch 5, dadurch gekennzeichnet, daß wenigstens eine Vakuumschaltröhre mit transversalem Magnetfeld verwendet wird und daß ein in einer nichtrotationssymmetrischen Kontaktanordnung geradlanig laufender Lichtbogen verwendet wird, wobei der Lichtbogen einteilig bleibt und die Teilerplatten außerhalb des Lichtbogenpfades als Lichtbogenkühlplatten verwendet werden (FIG 1/2).
- Verfahren nach Anspruch 1, dadurch gekennzeichnet, daß für die Kontaktanordnung und die Lichtbogenteilerplatte geeignete, insbesondere sauerstofffreie, Vakuumschalterwerkstoffe verwendet werden.
- Anordnung zur Strombegrenzung in Niederspannungsnetzen unter Verwendung des Verfahrens gemäß Anspruch 1 oder einem der Ansprüche 2 bis 7, gekennzeichnet durch wenigstens eine Vakuumschaltröhre (VS) mit zwei Schaltstücken (13, 14; 23, 24) und durch kreisringförmige Lichtbogenteilerplatten (16a - 16K, 26a - 26k), die zumindest teilweise zwischen den Schaltstücken (13, 14; 23, 24) angeordnet sind.
- Anordnung nach Anspruch 8, dadurch gekennzeichnet, daß die Schaltstücke (13, 14) in ihrem Grundriß die Form von Spiralkontakten (100) haben.
- Anordnung nach Anspruch 8, dadurch gekennzeichnet, daß die Spiralkontakte (100) drei bis sechs, vorzugsweise vier Schlitze (101 -104), aufweisen.
- Anordnung nach Anspruch 8, dadurch gekennzeichnet, daß die Schaltstücke (13, 14; 23, 24) in den Zonen,die in radialer Richtung nach außen auf das eigentliche kontaktgebende Gebiet folgen, abgeschrägt sind.
- Anordnung nach Anspruch 11, dadurch gekennzeichnet, daß die Abschrägung der Schaltstücke (13, 14; 23, 24) einen Neigungswinkel (ψ) gegenüber der Kontaktoberfläche von 15° > ψ ≤ 45°, vorzugsweise ψ = 30°, hat.
- Anordnung nach Anspruch 8, dadurch gekennzeichnet, daß zumindest die Kontaktfläche der Schaltstücke (13, 14; 23, 24) aus einem abbrandfesten Kontaktwerkstoff, vorzugsweise Chrom-Kupfer (CrCu), Wolfram-Kupfer (Wcu) oder Wolfram-Carbid-Kupfer (WCCu), besteht.
- Anordnung nach Anspruch 8, dadurch gekennzeichnet, daß die Teilerplatten (16a bis 16k, 26a bis 26k)) aus sauerstofffreiem Kupfer (Cu) oder Chrom-Kupfer (CrCu) bestehen.
- Anordnung nach Anspruch 8, dadurch gekennzeichnet, daß die Teilerplatten (16a bis 16k, 26a bis 26k) aus Edelstahl, insbesondere magnetischem Edelstahl, bestehen.
- Anordnung nach Anspruch 14 oder Anspruch 15, dadurch gekennzeichnet, daß die Teilerplatten (16a bis 16k, 26a bis 26k) mindestens einen Schlitz (17, 27) in radialer Richtung aufweisen.
- Anordnung nach Anspruch 14 oder Anspruch 15, dadurch gekennzeichnet, daß die Breite (b) der Teilerplatten (16a - 16k, 26a - 26k) eine Dimensionierung 0,1 D ≥ b ≤ 0,3 D hat, wobei D der Außendurchmesser der Kontakte (13, 14; 23, 24) ist.
- Anordnung nach Anspruch 8, dadurch gekennzeichnet, daß die durch die Kontaktfläche Kontaktstücke (13, 14; 23, 24) Laufringe (19, 29) gebildet wird, die eine Breite (a) kleiner als die Breite (b) der Teilerplatten (16a - 16k, 26a - 26k) haben.
- Anordnung nach Anspruch 18, dadurch gekennzeichnet, daß die Breite (a) der Laufringe ( ) der Dimensionierung 0,5 b ≤ a ≤ 1,0 b entspricht.
- Anordnung nach Anspruch 18, dadurch gekennzeichnet, daß der Laufring (9, 19, 29) aus einem anderen Material wie der Kontaktkörper ((3, 4; 13, 14; 23, 24) besteht.
- Anordnung nach Anspruch 17, dadurch gekennzeichnet, daß die Schaltstücke (3, 4; 13, 14, 23, 24) aus sauerstofffreien Kupfer (CU) oder Kupfer-Chrom (CuCr) bestehen.
- Verwendung einer Anordnung nach Anspruch 8 oder einem der Ansprüche 9 bis 20 als strombegrenzendes Sicherungselement, wobei die Kontaktestücke (3, 4, 13, 14; 23, 24) in der Schaltröhre (VS) für Betriebsströme durch Federkraft geschlossen sind und bei Eintreten eines Kurzschlusses eine kontaktabhebende Stromkraft erzeugt wird und dadurch die Kontaktstücke (13, 14; 23, 24) voneinander getrennt werden.
- Verwendung einer Anordnung nach Anspruch 8 oder einem der Ansprüche 8 bis 21 als strombegrenzendes Sicherungselement, wobei die Kontaktstücke (3, 4, 13, 14; 23, 24) in der Schaltröhre (VS) für Betriebsströme durch Federkraft geschlossen sind und bei Eintreten eines Kurzschlusses durch Stromkraft ein Verklinkungsmechanismus gelöst wird und die Kontaktstücke (13, 14; 23, 24) durch Federkraft, pneunatisch oder hydraulisch voneinander getrennt werden.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19913236 | 1999-03-23 | ||
DE1999113236 DE19913236C2 (de) | 1999-03-23 | 1999-03-23 | Verfahren zur Strombegrenzung in Niederspannungsnetzen und zugehörige Anordnung |
Publications (3)
Publication Number | Publication Date |
---|---|
EP1039495A2 true EP1039495A2 (de) | 2000-09-27 |
EP1039495A3 EP1039495A3 (de) | 2001-08-08 |
EP1039495B1 EP1039495B1 (de) | 2006-05-24 |
Family
ID=7902179
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP20000105562 Expired - Lifetime EP1039495B1 (de) | 1999-03-23 | 2000-03-16 | Verfahren zur Strombegrenzung in Niederspannungsnetzen, zugehörige Anordnung sowie spezielle Verwendung dieser Anordnung |
Country Status (2)
Country | Link |
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EP (1) | EP1039495B1 (de) |
DE (2) | DE19913236C2 (de) |
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2014094724A1 (de) * | 2012-12-19 | 2014-06-26 | Kuckuck Jochen | Kontaktsystem zur lichtbogenkontraktionskompensation bei leistungsschaltern |
RU2545514C2 (ru) * | 2010-09-24 | 2015-04-10 | Абб Текнолоджи Аг | Конфигурация электрических контактов для вакуумного выключателя |
RU2550153C2 (ru) * | 2010-09-24 | 2015-05-10 | Абб Текнолоджи Аг | Вакуумный выключатель для устройства автоматической защиты |
WO2018069738A3 (en) * | 2016-10-14 | 2018-05-17 | Vacuum Interrupters Limited | Electrical interruption device |
CN111816500A (zh) * | 2020-09-10 | 2020-10-23 | 广东电网有限责任公司东莞供电局 | 一种真空断路器的灭弧装置 |
EP2442338B2 (de) † | 2010-10-18 | 2022-09-14 | LSIS Co., Ltd. | Kontakt für Vakuumunterbrecher |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE10361398B3 (de) * | 2003-12-29 | 2005-09-29 | Siemens Ag | Anordnung zur Strombegrenzung |
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US3769538A (en) * | 1972-03-20 | 1973-10-30 | Gen Electric | Vacuum arc devices with ferrous electrodes |
GB1455048A (en) * | 1973-09-03 | 1976-11-10 | Sprecher Shcuh Ag | Power switches |
US3997748A (en) * | 1975-06-23 | 1976-12-14 | General Electric Company | Vacuum interrupter with primary electrode surrounded by high dielectric strength shield |
US5142110A (en) * | 1991-01-23 | 1992-08-25 | Kuehne Edward J | Modified magne-blast circuit breaker and method of modification |
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DE3533890A1 (de) * | 1985-09-23 | 1987-04-02 | Siemens Ag | Vakuumschaltroehre fuer schuetzanwendung |
DE3539673A1 (de) * | 1985-11-06 | 1987-05-07 | Siemens Ag | Kontaktanordnung fuer niederspannungs-leistungsschalter mit hauptkontakten und abbrennkontakten |
EP0740321A3 (de) * | 1995-04-26 | 1998-04-22 | Hitachi, Ltd. | Elektrode für Vakuumlastschalter |
DE19809828C1 (de) * | 1998-02-27 | 1999-07-08 | Eckehard Dr Ing Gebauer | Vakuumleistungsschalter für Niederspannung |
-
1999
- 1999-03-23 DE DE1999113236 patent/DE19913236C2/de not_active Expired - Fee Related
-
2000
- 2000-03-16 DE DE50012798T patent/DE50012798D1/de not_active Expired - Lifetime
- 2000-03-16 EP EP20000105562 patent/EP1039495B1/de not_active Expired - Lifetime
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
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US3769538A (en) * | 1972-03-20 | 1973-10-30 | Gen Electric | Vacuum arc devices with ferrous electrodes |
GB1455048A (en) * | 1973-09-03 | 1976-11-10 | Sprecher Shcuh Ag | Power switches |
US3997748A (en) * | 1975-06-23 | 1976-12-14 | General Electric Company | Vacuum interrupter with primary electrode surrounded by high dielectric strength shield |
US5142110A (en) * | 1991-01-23 | 1992-08-25 | Kuehne Edward J | Modified magne-blast circuit breaker and method of modification |
Cited By (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
RU2545514C2 (ru) * | 2010-09-24 | 2015-04-10 | Абб Текнолоджи Аг | Конфигурация электрических контактов для вакуумного выключателя |
RU2550153C2 (ru) * | 2010-09-24 | 2015-05-10 | Абб Текнолоджи Аг | Вакуумный выключатель для устройства автоматической защиты |
EP2442338B2 (de) † | 2010-10-18 | 2022-09-14 | LSIS Co., Ltd. | Kontakt für Vakuumunterbrecher |
WO2014094724A1 (de) * | 2012-12-19 | 2014-06-26 | Kuckuck Jochen | Kontaktsystem zur lichtbogenkontraktionskompensation bei leistungsschaltern |
WO2018069738A3 (en) * | 2016-10-14 | 2018-05-17 | Vacuum Interrupters Limited | Electrical interruption device |
CN110168690A (zh) * | 2016-10-14 | 2019-08-23 | 施恩禧电气公司 | 电气中断装置 |
US11087940B2 (en) | 2016-10-14 | 2021-08-10 | S&C Electric Company | Electrical interruption device |
CN110168690B (zh) * | 2016-10-14 | 2022-04-05 | 施恩禧电气公司 | 电气中断装置 |
CN111816500A (zh) * | 2020-09-10 | 2020-10-23 | 广东电网有限责任公司东莞供电局 | 一种真空断路器的灭弧装置 |
CN111816500B (zh) * | 2020-09-10 | 2020-12-15 | 广东电网有限责任公司东莞供电局 | 一种真空断路器的灭弧装置 |
Also Published As
Publication number | Publication date |
---|---|
DE19913236C2 (de) | 2001-02-22 |
DE50012798D1 (de) | 2006-06-29 |
EP1039495B1 (de) | 2006-05-24 |
EP1039495A3 (de) | 2001-08-08 |
DE19913236A1 (de) | 2000-10-12 |
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