SE129240C1

SE129240C1 -

Info

Publication number: SE129240C1
Authority: SE
Publication date: 1950-01-01

Description

Uppfinnare: J. Bien-imam. Inventor: J. Bien-imam.

Prioritet begard frtin den 2 februari 1942 (Tyska riket). Priority was given to February 2, 1942 (German Empire).

Uppfinningen avser en kopplingsanordning for brytning av elektriska stromkretsar, speciellt sadana for hogspand likstrOm, Aiken bestar av en egentlig strambrytare och en till denna parallellkopplad kondensator saint eventuellt hjalp- och overbryggningsomkopplare, motstand och dylikt. Sadana anordningar Oro i och for sig kanda. Pt parallellkondensatorn faller darvid uppgif ten att efter strombrytningen fOrdraja spanningens fOrnyade amide, for att brytstrackan ater skall uppna sin fulla genomslagshallfasthet snabbare an spanningspakanningen genom den 6.tervOndande spanningen okar. Kondensatorns storlek rattas darvid efter genomslagshallfastheten rnellan kontakterna. Da denna vid de kanda anordningarna är forhallandevis obetydlig, uppvisa de tillhorande kondensatorerna avsevarda dimensioner, varigenom dessa anordningar bliva dyrbara. Till MIN darav ha de icke fâtt nagon praktisk betydelse. The invention relates to a coupling device for breaking electrical circuits, especially those for high-voltage direct current. Such devices Concerns in and of themselves kanda. In the case of the parallel capacitor, the task then falls to delay the renewed amide of the voltage after the current break, so that the breaking path will again reach its full break-through strength faster than the voltage packing increases by the 6th voltage. The size of the capacitor is then adjusted according to the break-through resistance between the contacts. Since this is relatively insignificant in the known devices, the associated capacitors have considerable dimensions, whereby these devices become expensive. To MIN of which they have not acquired any practical significance.

Med utgangspunkt fran denna insikt fore-sifts enligt uppfinningen, att man sOsom strombrytare vid anordningar av forut namnda slag anvander sig av en hogvakuumomkopplare. Man uppnar darigenom, att en hog genomslagshallfasthet erhalles vid brytkon- takterna Ovenobetydligt elektrodavstand. Based on this insight, it is provided according to the invention that a high-vacuum switch is used as a circuit breaker in devices of the aforementioned types. This is achieved by obtaining a high impact resistance at the breaking contacts. Insignificant electrode distance.

Till foljd &tray kan den tillhorande parallell- kondensatorn utforas med lag kapacitet och blir darigenom liten och billig, sâ att de ovannOmnda olagenheterna hos de kanda anordningarna undvikas. For foljd & tray, the associated parallel capacitor can be made with low capacity and thus becomes small and cheap, so that the above-mentioned malfunctions of the known devices are avoided.

Kopplingsanordningen enligt uppfinningen är speciellt av betydelse for stromkretsar flied hogspand likstram. Genom en lamplig dimensionering av hogvakuumornkopplare och parallellkondensator kan man uppna, att vid brytningen overhuvudtaget ingen ljusbagc upptrader vid hogvakuumomkopplarens elektroder. Till foljd ddrav bortfalla awn de ofordelaktiga frail ljusbagens varmestralning harrOrande foreteelserna. The coupling device according to the invention is of particular importance for circuits flied hogspand DC. By means of a suitable dimensioning of the high-vacuum switch and parallel capacitor, it can be achieved that no light beam at all occurs at the electrodes of the high-vacuum switch. As a result, the heat radiation of the unfavorable frail light bag is lost due to the phenomena.

I och for sig aro kopplingsanordningar, vilka besta av en strombrytare och en parallellkondensator, kanda, vid vilka ett styrt gasurladdningskarl tjanar som strombrytare. Ddrigenom uppnas emellertid inte den enligt uppfinningen angivna fordelen att kunna anvanda en kondensator med liten kapacitet. In and of themselves, coupling devices, which consist of a circuit breaker and a parallel capacitor, are known in which a controlled gas discharge vessel serves as a circuit breaker. However, this does not achieve the advantage stated according to the invention of being able to use a capacitor with a small capacity.

Pa ritningen Or ett utforingsexempel av uppfinningen sehernatiskt askhdliggj art. In the drawing Or an exemplary embodiment of the invention is sehernatically illustrated art.

Med 1 är den stromkrets betecknad, vilken matas frau stromkallan 2 och inneha.11er f Orbrukaren 3. I strOmkretsen 1 Or strombrytningsanordningen 4 anordnad, vilken bestar av brytaren 5 och parallellkondensatorn 6. I enligthet med uppfinningen Or brytaren 5 utformad som en hogvakuumomkopplare av Mind konstruktion. Denoted by 1 is the circuit which is supplied from the power supply 2 and contains the user 3. In the circuit 1 the circuit breaker 4 is arranged, which consists of the switch 5 and the parallel capacitor 6. In accordance with the invention, the switch 5 is designed as a high vacuum switch. construction.

Under vissa forhallanden kan det vara lampligt att Oven anordna kondensatorn i vakuum och att eventuellt forena den med brytarhuset. Under certain conditions, it may be appropriate for Oven to arrange the capacitor in vacuum and to possibly combine it with the switch housing.

Claims

Claim claim: Coupling device consisting of a circuit breaker and a parallel capacitor, especially for high voltage Ekstrom, can be characterized in that the circuit breaker Or is designed as a high-vacuum switch and that the parallel capacitor Or is designed with a small high-throughput capacitance. Stockholm 1950, Kong. Boldr. P. A. Norstedt & Miner 5000S9