SE194443C1

SE194443C1 - Switches for regulating the voltage of transformers under load.

Info

Publication number: SE194443C1
Application number: SE969858A
Authority: SE
Inventors: Rene Pensis
Original assignee: Acec
Priority date: 1957-10-24
Filing date: 1958-10-18
Publication date: 1965-02-16
Also published as: GB836522A; FR1185131A; NL106682C; DE1206521B; BE571903A; CH361614A; US3014999A; US3143621A

Description

Uppfinnare: R AF Pensis Prioritet begard f ran den 24 oktober 1957 (Frankrike) Vid kanda utforanden av omkopplare for reglering under helastning aro de rorliga kontakterna anordnade pa en hallare i form av en sektor, vilken kan fOrskjutas genom att under omkopplingsrorelsen rulla pa ett stod, som kan vara ratlinigt eller ha formen av en eirkelbage och som uppbar de fasta kontakterna, sa att den under det erforderliga intervallet astadkommer slutandet eller iippnandet av de motsvarande kontakterna. Inventor: R AF Pensis Priority requested from 24 October 1957 (France) In the case of well-known switches for control during full load, the movable contacts are arranged on a holder in the form of a sector, which can be displaced by rolling on a stand during the switching movement. , which may be linear or in the form of an eel bag and which carried the fixed contacts, said that during the required interval it causes the closing or opening of the corresponding contacts.

Gruppen av rorliga kontakter är forbunden med en utgangsklamma hos omkopplaren, under det att de fasta kontakterna aro forbundna med de olika uttagen hos det anvanda stegregleringssystemet. Alltefter rorelsens natur komma kontaktparen att narma sig och avlagsna sig frau varandra vinkelratt mot kontaktplanet. Man hatadkommer over&igen fran en krets till en annan, utan brytning av belastningen, genom att I lampligt Ogonblick under overgangen inkoppla en impedans. The group of movable contacts is connected to an output terminal of the switch, while the fixed contacts are connected to the various sockets of the step control system used. Depending on the nature of the movement, the contact pairs approach and move away from each other perpendicular to the contact plane. You get hated over & again from one circuit to another, without breaking the load, by in an appropriate moment during the transition connecting an impedance.

FOreliggande uppf inning avser en dylik omkopplare och vilken as av den typ, som as nedsankt i olj a och vars rorliga kontakter f8r varje fas aro placerade pa en isolerande sektor i tva over varandra anordnade rader, varvid vane kontakt i en sad as elektriskt forbunden: med en mitt for densamma anbragt kontakt i den andra raden, varvid dessa rorliga kontakter aro anordnade att successivt komma i kontakt med i motsvarande rader anbragta fasta kontakter genom rullning av sektorn omkring en vertikal axel, och uppfinningen kannetecknas darav, att ett i avdelningar uppdelat gasuppsamlingsholje är anbragt Over den undre raden av fasta kontakter for var och en av faserna for att bortfora de joniserade gaser, som alstras genom sonderdelningen av oljan genom inverkan av Dupl. kl. 21 d2: 53/03 ljusbagar, och fOr att salunda unclvika, att dessa gases i avsevard grad na. de byre kontakterna, dar de skulle underlatta uppkoms- ten av ljusbagar mellan brä angransa.nde kontakter. The present invention relates to such a switch and which is of the type which is immersed in oil and whose movable contacts for each phase are placed on an insulating sector in two superimposed rows, the usual contact in such a shaft being electrically connected: with a contact arranged in front of it in the second row, these movable contacts being arranged to come into successive contact with fixed contacts arranged in corresponding rows by rolling the sector about a vertical axis, and the invention can be characterized in that a gas collecting housing divided into compartments is placed over the lower row of fixed contacts for each of the phases to remove the ionized gases generated by the probe division of the oil by the action of Dupl. at 21 d2: 53/03 candle bags, and in order to salunda unclvika, that these are gassed to a considerable degree na. the byre contacts, where they would facilitate the emergence of light beetles between adjacent branches.

Uppfinningen skall narmare beskrivas med hanvisndng till ett 5. ritningen visat exempel. The invention will be described in more detail with reference to an example shown in the drawing.

Fig. 1 visar principschemat for en anordning med tva brytstallen i serie. Fig. 1 shows the principle diagram for a device with two breakers in series.

Fig. 2 visar en schematisk vy a-v anordningen av en sad av fasta kontakter och av rorliga kontakter. Fig. 2 shows a schematic view a-v the arrangement of a sad of fixed contacts and of movable contacts.

Fig. 3 visar en schematisk acktion efter diametralplanet PP' i fig. 2. Fig. 3 shows a schematic action after the diametrical plane PP 'in Fig. 2.

Fig. 4 och 5 visa schematiska axial- och diametralsektioner av en fast kontakt. Figs. 4 and 5 show schematic axial and diametrical sections of a fixed contact.

Fig. 6 visar en schematisk vy av ett holje for eliminering av de joniserade gaserna. Fig. 6 shows a schematic view of a housing for eliminating the ionized gases.

I fig. 1 aro de rorliga kontakterna A1, B1, C1, D1, El, F1 ochB1', C1', D1', Ei!,for- bundna tva. och tva, namligen A, med A,', B, med B1' etc., varigenom mojliggares att successivt forbinda de fasta kontakterna AA', BB', CC', DD', EE' och FF'. In Fig. 1, the movable contacts A1, B1, C1, D1, E1, F1 and B1 ', C1', D1 ', Ei1, are connected two. and two, namely A, with A, ', B, with B1', etc., whereby it is possible to successively connect the fixed contacts AA ', BB', CC ', DD', EE 'and FF'.

Sasom ovan angivits visar fig. 2 en schematisk vy av anordningen av en sad kontak- ter, t. ex. de fasta kontakterna A, B, C, D, E, F och rorliga kontakterna A1, B1, CI, D1, El, F1. 1 betecknar uppbarningsorganet for de fasta kontakterna A, B, C, D, E, F och 2 den roterande delen av isoleran.de material med sin rotationsaxel 3, som medelst en central del 5 är mekaniskt fOrbunden med brytarens centrumaxel 4. As stated above, Fig. 2 shows a schematic view of the device of a sad contactor, e.g. the fixed contacts A, B, C, D, E, F and the movable contacts A1, B1, CI, D1, E1, F1. 1, the support means for the fixed contacts A, B, C, D, E, F and 2 denotes the rotating part of the insulating material with its axis of rotation 3, which by means of a central part 5 is mechanically connected to the center axis 4 of the switch.

Fig. 3 visar en sektion efter diametralplanet PP' i fig. 2. I derma figur beteckna 1, 2, 3, 4, 5, F, F', F1 och F1' samma element som I fig. 1 och 2. 6 betecknar den elektriska bindelsen mellan de rorliga kontakterna Fi och 2— — Utf8randet enligt ovannamnda figurer tillater vid en given brytformaga att minska storleken av den rarliga sektorns radie och salunda att avsevart minska vikten av de rot.- liga massorna, vilket är mycket fordelaktigt i fraga om snabbutlasande anordningar, som I allmanhet anvandas for omstallningen av brytaren. Fig. 3 shows a section after the diametrical plane PP 'in Fig. 2. In this figure, 1, 2, 3, 4, 5, F, F', F1 and F1 'denote the same elements as in Figs. 1 and 2. 6 denotes the electrical connection between the movable contacts Fi and 2— - The embodiment according to the above-mentioned figures allows at a given breaking shape to reduce the size of the radius of the rotating sector and thus to considerably reduce the weight of the root masses, which is very advantageous in the case of quick-release devices, which are generally used for the conversion of the switch.

Fig. 4 och 5 visa schematiska axial- och diametralsektioner air en fast kontakt. Den elektriska kontakten A ar medelst den bojliga kabeln S forbunden med stromintaget Z och dr fast forbunden med kolven P, som kan forskjutas i en hylsa M och vars rarelse är begransad. Kolven P har pa hela sin langd tre spar, som aro 120° inbordes forskjutna. Hylsan M liar likaledes Ire spar 120° forskjutna„ som befinna sig mitt for sparen i kolven P. Tva. kulor B aro placerade i varje spar pa amse sidor om tva anslag i form av stift C, inforda i hylsan pa visst avstand fran varandra utefter sparen. Tva. lock D, som aro fasta pa andarna a.v hylsan, hindra kulorna fran att falla ut ur sin rullningsbana. En. aterforingsfjader R av torsionstyp fir anbragt vinkelratt mat hylsans M axel och Sr fast forbunden med hylsan, vilken fjader verkar pa kolven P. Figs. 4 and 5 show schematic axial and diametrical sections in a fixed contact. The electrical contact A is connected by means of the flexible cable S to the current inlet Z and is fixedly connected to the piston P, which can be displaced in a sleeve M and whose rarity is limited. The piston P has three spurs along its entire length, which are 120 ° inboard offset. The sleeve M liar likewise Ire spares 120 ° offset „which are in the middle of the spares in the piston P. Two. Balls B are placed in each groove on either side of two stops in the form of pin C, inserted into the sleeve at a certain distance from each other along the grooves. Two. lids D, which are attached to the spirits by the sleeve, prevent the balls from falling out of their orbit. One. return spring R of torsion type for placed perpendicular to the axis M of the sleeve and Sr fixedly connected to the sleeve, which spring acts on the piston P.

Fig. 6 visar en schematisk Vy av ett holje 10, som eliminerar faran far jonisering pa de ovre kontakternas niva. Detta holje 10 av isolationsmaterial, som Sr motstandskraftigt mot temperaturen hos brytningsljusbagen vid de undre kontakterna, kanaliserar de gaser, som utvecklas genom de successiva rorelserna av kontakterna i det undre planet och hindrar dessa gaser frail att inkomma mellan de angransande kontakterna, med tillhjalp av isolerande mellanvaggar 11, samt fran att na. det ovre kontaktplanet. De utveeklade gaserna evakueras genom en central kanal 12, av lamplig form, utanf Or de ovre kontakternas arbetszon. Fig. 6 shows a schematic view of a housing 10, which eliminates the danger of ionization at the level of the upper contacts. This casing of insulating material, which is resistant to the temperature of the refractory light bag at the lower contacts, channels the gases developed by the successive movements of the contacts in the lower plane and prevents these gases from entering between the adjacent contacts, by means of insulating. intermediate cradles 11, and from to na. the upper contact plane. The evolved gases are evacuated through a central channel 12, of suitable shape, outside the working zone of the upper contacts.

De fir majligt att utan overskridande av uppfinningens ram modifiera olika delar av anordningen. Exempelvis kunna sparen far lagerkulorna vara fullstandigt fylida med kulor, och i delta fall anordnas inga stift C, varjamte antalet spar icke är begransat till Ire. Den centrala sektorn kan innefatta flera par av kontaktrader, och i sadant fall aro de rot.- liga kontakterna i tva angransande rader forbundna med varandra sasom visas i fig. 1, och denna anordning kan reproduceras n ganger. Aterforingsfjadern R kan vara av bladfj adertyp. They are capable of modifying various parts of the device without exceeding the scope of the invention. For example, the savings may have the bearing balls completely filled with balls, and in some cases no pins C are provided, and the number of savings is not limited to Ire. The central sector may comprise several pairs of contact rows, and in that case the rotary contacts in two adjacent rows are connected to each other as shown in Fig. 1, and this device can be reproduced once. The return spring R may be of the leaf spring type.

Uppfinningen avser naturligtvis, forutom det ovan beskrivna exemplet, som hanfor sig till anvandningen av tva uppdelade motstand per brygga aven andra kombinationer av mot-stand, vilkas antal kan varieras pa godtyckligt salt. Brytningsanordningen enligt uppfinningen kan anvandas vid omkopplare for reglering under belastning, oberoende av beskaffenheten av den anordning, som anvandes for begransning air den stem, som skall omkopplas. The invention naturally relates, in addition to the example described above, which relates to the use of two divided resistors per bridge, as well as other combinations of resistors, the number of which can be varied on any salt. The breaking device according to the invention can be used with switches for control under load, regardless of the nature of the device used for limiting the stem to be switched.

Claims

A patent claim: A switch for regulating the voltage of transformers under load, which switch is immersed in oil and whose strange contacts for each phase are placed on an insulating sector in two superimposed rows, each contact in a row being electrically connected to a contact arranged in front of it in the second row and wherein these strange contacts are arranged to gradually come into contact with fixed contacts by rolling the sector about a vertical axis, characterized in that a gas collecting casing divided into compartments is arranged over the lower the series of solid contacts for each of the phases to remove the ionized gases generated by the sand division of the oil by the action of light beetles, and thus to avoid that these gases suffer significantly from the owe contacts where they would facilitate the formation of light beetles between two adjacent contacts. Cited publications: U.S. Patent Nos. 2680,163.