DE1674433U - SINGLE-LINE CURRENT TRANSFORMER, IN PARTICULAR FOR LOW VOLTAGE. - Google Patents

Description

The parting train is used in Mederspanimngs-JBS, iai $ iter current transformers, 'which are stranded with -einem, era' and, xiessharzisolation * around 'thick cables at the installation point of the transformers

Lines to "the place of installation of the transducers _t IRB" v-ergrössern au need, it is desirable den'Wandlern lowest possible 'dimension in that give rich'ffcungl in which * the adjacent conductors is "

; / - Bie firing is concerned therefore with "for -a'r .pecial form-. environment for such cast resin-insulated current transformers. _r which is characterized by a particularly low need for space across the primary conductor current direction "in the direction of the adjacent busbar, - - *.. -""

According to the furnace, the "perpendicular to the longitudinal direction" of the primary conductor lying cross-section of the transducer by appropriate distribution of the secondary winding on the upper one and lower toroidal core section in the lateral direction only slightly larger than the "toroidal core diameter"

Its a particularly useful iOrm. results when the outer contour of the cross-section is approximately circular _? however, it is flattened on the side / The outer contour of the "cross-section" can also, for example, assume the shape of an ellipse, the smaller diameter of which lies in the direction of the adjacent busbar "-. - -.

'Um, the secondary fiokliahg \ unter2iibj? Ingeii, .iWill' they are sweckmässifr on '" two,> delimited- ^! ' Finite sectors. ^J des'Bingkerries brought up \ - V

, _s weather EinÄe-lh'eitesL and ', features of the'object-'of the fire' ^ see from one "Ausiün ^ ngjalieAspieiL- 'Söryor" which is represented in deir ^! eicbauns; ^ iie rZeleJboiun ^^ eigt · a "Queraictoitt-'des, wall-, lere ¹ 'in' -einer vertical ζμΓ 'Längrieajniiig 4es primary lead · IjLe- "-

changed

.. The converter -'enijlialt; vain ones 1Γ ^l 'd'er · deir'Prix ^ i-pus' i um ^ "■ 'gives * Der-Brimärleiter Äat die'porm'.einer lm';Qüei; sciihitt ^ right- ^: 'angular' ^ chienei ^ uf Aem * Kern> tieiindet ^ iok'.dii _v secondary wio1s: lving 3 and 4, die- ^ üB- two 'sek ^ rfprmigeii puk-öiteiletf bestWt ^ - the ¹ ,' 180 to each other, VeVäeW # * sindy, ueivgänaeVwandler ; ' with the ^ ijEtck-. lang is $ in'Äine eiVsshtarÄisoiation ξ embedded this Giess / ^!

i y;

g is $ in'Äin, eiVsshtarÄisoiation ξ embedded. These. Giess -, / narzisolation / Xst ^ ao ^ ausWi ^ defr ^ da'ss ^ s-ie Vibek-'unfiL below '"im;""

tion / Xst ^ ao ^ ausWi ^ defr ^ da'ss ^ s-ie Vibek-'unfiL below '"im;" , "Cross-section knnäKernä 'circular för mig-limited' - _while;? · S.eitlicii flats ^ / and 7 -vorgesehen eind> Ea are therefore 'gewie ß he measured en

two. Segments of the circular surface ''"cut off. ',"F'"""*'., -, -", - ^ - r';"^ ^, - - - \ ·> ^ \ _: ^, - ^

These "deflations" can either be used when eating the " Isolation "must be created by means of a corresponding form with" ^ o it "the lateral ibf laehungen can also be produced by subsequent processing. , -

The ⁴ transducer has the gate part that several such flattened transducers can be mounted with a smaller distance between the axes and thus "the primary rails" than "if the transducer had a completely circular cross-section"

Instead of the circle shape with truncated segments, an elliptical 'square shape' or "also an elongated round '" ... can be used. -, ". * - ^ ₁ ,;,''" _ri , - ^ \ ■ t. · / _A

Claims (1)

Sc, hat ζ .β. η sayings r 1 * Single-core current transformer, particularly for low voltage, with ring core and cast resin insulation, characterized in that Itss "of the perpendicular to the longitudinal direction of ^the! Primary conductor cross-section of the converter by a corresponding distribution of the" secondary winding to the upper and lower, n toroidal section Direction only slightly greater than that of the toroid through-i 5 · Κ knife is, - '' / 2 "^ current transformer according to claim '1, characterized in that Outer contour of the cross-section circular but laterally / is flattened «* '. - · ό "- Stro'mw.andler according to claims 1 and 2 characterized _{T 9} that 'the Äussenumriss of the cross section is elliptical." 4σ current transformer according to claims 1-3, characterized in that the secondary winding is applied to two limited angle sectors of the toroidal core »," ^ - '- , 5 »Current transformer according to claims 1-4» 'characterized in that that the cast resin insulation is provided with flattened sides during casting. 6 "Current transformer according to claims 1-4» characterized in that that the lateral flattened areas are produced by subsequent processing of the finished cast insulating body. Qz / M