DE1765047C3 - High voltage switchgear - Google Patents
High voltage switchgearInfo
- Publication number
- DE1765047C3 DE1765047C3 DE1765047A DE1765047A DE1765047C3 DE 1765047 C3 DE1765047 C3 DE 1765047C3 DE 1765047 A DE1765047 A DE 1765047A DE 1765047 A DE1765047 A DE 1765047A DE 1765047 C3 DE1765047 C3 DE 1765047C3
- Authority
- DE
- Germany
- Prior art keywords
- cryotron
- current
- series
- switch
- circuit breaker
- 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
Links
- 239000003990 capacitor Substances 0.000 claims description 2
- 239000002887 superconductor Substances 0.000 claims 2
- 230000009286 beneficial effect Effects 0.000 claims 1
- 235000000396 iron Nutrition 0.000 claims 1
- 238000004804 winding Methods 0.000 claims 1
- 230000005611 electricity Effects 0.000 description 2
- 230000003628 erosive effect Effects 0.000 description 1
- 238000010792 warming Methods 0.000 description 1
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
- H01H33/002—Very heavy-current switches
- H01H33/004—Very heavy-current switches making use of superconducting contacts
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H7/00—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions
- H02H7/001—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for superconducting apparatus, e.g. coils, lines, machines
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J1/00—Circuit arrangements for dc mains or dc distribution networks
- H02J1/14—Balancing the load in a network
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10N—ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10N60/00—Superconducting devices
- H10N60/30—Devices switchable between superconducting and normal states
- H10N60/35—Cryotrons
- H10N60/355—Power cryotrons
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E40/00—Technologies for an efficient electrical power generation, transmission or distribution
- Y02E40/60—Superconducting electric elements or equipment; Power systems integrating superconducting elements or equipment
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)
- Emergency Protection Circuit Devices (AREA)
Description
Die Erfindung bezieht sich soi.ät auf eine Hoch- die Möglichkeit, den Schnellschalter in Abhängigkeit Spannungsschalteinrichtung, bei der zu einem Kryo- 35 von der am Kryotron bei dessen Normalleitendwertron ein ohmscher und ein kapazitiver Widerstand den auftretenden Spannung oder Stromänderungsgeparallel geschaltet sind und zu dieser Parallelschal- schwindigkeit zu steuern. Auch beim Einschalten der tung ein Leistungsschalter in Serie liegt. Hochspannungsschalteinrichlung hat der Schnell-The invention soi.ät relates to a high-the possibility of the quick switch as a function Voltage switching device in which to a cryotron from that on the cryotron at its normalconductor an ohmic and a capacitive resistor parallel the occurring voltage or current change are switched and to be controlled at this parallel switching speed. Even when switching on the a circuit breaker is in series. The high-voltage switchgear has
Eine solche Hochspannungsschalleinrichtung ist schalter 2 nur den Kryotron-Neninstrom zu schalten,
durch die britische Patentschrift 1 078 030 bekannt.. 40 so daß die Schaltleistung in aüen Fällen klein und
Bei dieser bekannten Hochspannungsschalteinrich- der Schnellschalter 2 selbst wenig aufwendig ist.
tung muß das Kryotron nach dem Normallc'tendwer- Der ohmsche Widerstand 3 ist so bemessen, daßSuch a high-voltage sound device is switch 2 to switch only the Kryotron-Neninstrom, known from British patent specification 1,078,030 .. 40 so that the switching capacity in all cases is small and, in this known high-voltage switch device, the high-speed switch 2 itself is not very expensive.
The cryotron must be processed in accordance with the normallc'tendwer- The ohmic resistance 3 is dimensioned so that
den noch so lange Strom führen, bis der Leistungs- der Strom in einem Kurzschlußfalle durch diesen schalter öffnet. Durch den bei Nonnalleistung im ohmschen Widerstand auf einen Wert begrenzt wird, Kryotron fließenden Strom wird dieses infolge der 45 welcher zuverlässig durch den Leistungsschalter Stromwärmeverluste aufgeheizt und dadurch das abgeschaltet werden kann. Der ohmsche WiderKühlmittel des Kryotrons verdampft. Außerdem be- stand 3 ist im normalen Betrieb durch das Kryotron 1 steht die Gefahr, daß das Kryotron infolge der Er- kurzgeschlossen und führt somit nur einen geringen wärmung zerstört wird. Strom. Nach dem Normalleitcndwerdcn des Kryo-continue to carry the current until the power - the current in a short-circuit trap through this switch opens. With normal power in the ohmic resistance is limited to a value, Kryotron flowing current becomes this as a result of the 45 which is reliable through the circuit breaker Electricity heat losses are heated up and can therefore be switched off. The ohmic resistance of the cryotron evaporates. In addition, inventory 3 is in normal operation by the cryotron 1 there is a risk that the cryotron will short-circuit as a result of the erosion and thus only lead to a slight warming is destroyed. Electricity. After the cryogenicity has returned to normal
Der Erfindung liegt die Aufgabe zugrunde, eine 50 trons 1 wird der ohmsche Widerstand 3 nur bis zum Hochspannungsschalteinrichtung zu schaffen, bei der Öffnen des Leistungsschalters 4 bclastcl. Durch den der Stromnuß im Kryotron nach dem Normalleitend-· zu dem ohmschen Widerstand 3 und zu dem Kryowcrden desselben sofort unterbrochen werden kann. tron 1 parallelgeschalteten Kondensators werden die Die Lösung der gestellten Aufgabe gelingt bei beim Abschalten des Kryotrons 1 auftretenden Übercrncr Hochspannungsschalteinrichtung der beschrie- 55 spannungen auf ungefährliche Werte begrenzt.The invention is based on the object of a 50 trons 1, the ohmic resistance 3 is only up to To create high-voltage switching device when the circuit breaker opens 4 bclastcl. Through the the current socket in the cryotron after the normal conducting- · to the ohmic resistance 3 and to the cryogenic voltage the same can be interrupted immediately. tron 1 capacitor connected in parallel are the The problem posed is achieved in the case of an overcurrent occurring when the cryotron 1 is switched off High-voltage switching device of the described voltages is limited to harmless values.
Hierzu 1 Blatt Zeichnungen1 sheet of drawings
Claims (1)
Widerstand parallel geschaltet sind und zu dieser An Hand eines in der Zeichnung dargestelltenHocbspannungsscbalteinrichtung when the ability of the cryotron to become normally conductive in front of a cryotron, an ohmic and a capacitive 5 is open to the circuit breaker.
Resistance are connected in parallel and to this one shown in the drawing
nerhalb der Parallelschaltung ein Schnellschalter Zu der Reihenschaltung eines Kryotrons 1 mitParallel connection of a circuit breaker in series.
Within the parallel connection, a quick switch to the series connection of a cryotron 1 with
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE1765047A DE1765047C3 (en) | 1968-03-26 | 1968-03-26 | High voltage switchgear |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE1765047A DE1765047C3 (en) | 1968-03-26 | 1968-03-26 | High voltage switchgear |
Publications (3)
Publication Number | Publication Date |
---|---|
DE1765047A1 DE1765047A1 (en) | 1971-07-01 |
DE1765047B2 DE1765047B2 (en) | 1973-12-06 |
DE1765047C3 true DE1765047C3 (en) | 1974-07-04 |
Family
ID=5698246
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE1765047A Expired DE1765047C3 (en) | 1968-03-26 | 1968-03-26 | High voltage switchgear |
Country Status (1)
Country | Link |
---|---|
DE (1) | DE1765047C3 (en) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3844053C2 (en) * | 1988-12-28 | 1994-09-22 | Calor Emag Elektrizitaets Ag | Superconducting switch |
-
1968
- 1968-03-26 DE DE1765047A patent/DE1765047C3/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
DE1765047B2 (en) | 1973-12-06 |
DE1765047A1 (en) | 1971-07-01 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
C3 | Grant after two publication steps (3rd publication) | ||
E77 | Valid patent as to the heymanns-index 1977 | ||
EHJ | Ceased/non-payment of the annual fee |