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DE1787298U - CAST RESIN CONVERTER. - Google Patents

CAST RESIN CONVERTER.

Info

Publication number
DE1787298U
DE1787298U DES28064U DES0028064U DE1787298U DE 1787298 U DE1787298 U DE 1787298U DE S28064 U DES28064 U DE S28064U DE S0028064 U DES0028064 U DE S0028064U DE 1787298 U DE1787298 U DE 1787298U
Authority
DE
Germany
Prior art keywords
cast resin
converter
capsule
resin
elastic
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
Application number
DES28064U
Other languages
German (de)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Siemens Corp
Original Assignee
Siemens Corp
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Siemens Corp filed Critical Siemens Corp
Priority to DES28064U priority Critical patent/DE1787298U/en
Publication of DE1787298U publication Critical patent/DE1787298U/en
Expired legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01FMAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F27/00Details of transformers or inductances, in general
    • H01F27/02Casings
    • H01F27/022Encapsulation

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Ignition Installations For Internal Combustion Engines (AREA)

Description

Gießharzwandler --------------- Je nach der Konstruktion entstehen beim Einbetten von Wicklungen in Gießharz folgende Probleme : Das Gießharz schrumpfte beim Härtevorgang. Es können einerseits dielektrisch ungünstige Hohlräume durch Abschrumpfungen, andererseits mechanische Spannungen im Gießhars infolge Aufsohrumpfens auf starre Körper auftreten.Cast resin converter --------------- Depending on the construction, the following problems arise when embedding windings in cast resin: The cast resin shrunk during the hardening process. On the one hand, dielectrically unfavorable cavities can occur due to shrinkage, on the other hand mechanical stresses can occur in the cast resin as a result of being shrunk onto rigid bodies.

Bei Überströmen kann die Volumenvergrößerung von Wicklungen dem umhüllenden Gießharz mechanische Spannungen aufzwingen. Rad/Kln Kursschlußstrdme bewirken Verformungen nicht ideal kreisrunder Wicklungen, die mechanische Spannungen im umhüllenden Gießharz zur Folge haben.In the event of an overflow, the increase in volume of the windings can affect the enveloping Imposing mechanical stresses on casting resin. Wheel / cln Course closing currents cause deformations of not ideal circular windings, the mechanical tension in the surrounding cast resin.

Scharfe Kanten von Hochspannung führenden ungekapselten Wicklungen können zu unangenehm hohen Feldstärken führen. . Zur Lösung dieser Probleme sind verschiedene Möglichkeit vorge- schlagen worden. Entweder man verwendet Leinenbandagen mit Dich- tungs-und Leitlack für die Wicklungen oder Preßstoffkapseln mit Leitlack oder Metallkapseln mit Leitlack, oder man sieht eine Silikon-Kautschuk-Einbettung mit Leitlack vor.Sharp edges of high voltage unencapsulated windings can lead to uncomfortably high field strengths. . Various options are available for solving these problems been hit. Either you use linen bandages with sealing processing and conductive varnish for the windings or molded capsules with conductive varnish or metal capsules with conductive varnish, or a silicone rubber embedding with conductive varnish is provided.

Gemäß der Neuerung wird ein anderer Weg beschritten, der dadurch gekennzeichnet ist, daß auf die Primärwicklung des Gießharzwandlers von jeder Stirnseite her je eine aus elastischem, leitfähigem Material bestehende Kapselhälfte aufgeschoben ist, wobei der nach Verbindung beider Kapselhälften mittels Steck-und/oder Klebeverbindung und nach Gießharzumguß entstandene Querdurchgang die Sekundärwicklung und einen Schenkel des Eisenkernes aufnimmt. Wie der Figur 1 zu entnehmen ist, ist auf die freigewickelte und mit Anschluß 1 versehene Primärwicklung 2 von jeder Stirnseite her je eine aus elastischem, leitfähigem Material bestehende Kapselhälfte 3/4 aufgeschoben. Beide Kapselhälften sind durch die Teile 5 und 6 durch Steck-und/oder Klebeverbindungen miteinander verbunden. Nach Umgeben mit dem Gießharzumguß 7 (siehe Figur 2) entsteht der Querdurchgang 8, der die Sekundärwicklung und einen Schenkel des Eisenkernes aufnimmt. Die aus den Kapselhälften 3 und 4 bestehende Kapsel aus elastischem, leitfähigem Material (z. B. Leitgummi) haftet infolge entsprechender Vorbehandlung am Gießharz und folgt dessen Schrumpfbewegungen. Dadurch werden Abschrumpfungen vermieden und, wenn zwischen Kapselinnenwand und Wicklung genügend Spielraum vorgesehen ist, Aufschrumpfkräfte gemildert. Der Spielraum nimmt auch Volumenvergrößerungen der Primärwicklung auf. Schlagartige Verformungen der Wicklung bei Kurzschlußstromstößen werden durch die elastische Kapsel gedämpft und die auftretenden mechanischen Spannungen verteilt. Durch die Leitfähigkeit des Kapselwerkstoffes ist ein durchgehendes Hochspanne potential an der Berührungsfläche zwischen Gießharz und Kapsel gegeben.According to the innovation, a different approach is taken, which is characterized in that a capsule half made of elastic, conductive material is pushed onto the primary winding of the cast resin transducer from each end face, the two capsule halves being connected by means of a plug-in and / or adhesive connection and after cast resin encapsulation, the transverse passage takes up the secondary winding and one leg of the iron core. As can be seen in FIG. 1, the unwound and Primary winding 2 provided with terminal 1 is pushed on from each end face by a capsule half 3/4 made of elastic, conductive material. Both capsule halves are connected to one another by parts 5 and 6 by means of plug-in and / or adhesive connections. After being surrounded by the cast resin casting 7 (see FIG. 2), the transverse passage 8 is created, which accommodates the secondary winding and one leg of the iron core. The capsule consisting of the capsule halves 3 and 4 made of elastic, conductive material (e.g. conductive rubber) adheres to the casting resin as a result of appropriate pretreatment and follows its shrinkage movements. This prevents shrinkage and, if there is sufficient clearance between the inner wall of the capsule and the winding, the shrinkage forces are reduced. The clearance also takes up volume increases in the primary winding. Sudden deformations of the winding in the event of short-circuit current surges are dampened by the elastic capsule and the mechanical stresses that occur are distributed. Due to the conductivity of the capsule material, there is a continuous high voltage potential at the contact surface between the casting resin and the capsule.

2 Figuren 1 Anspruch2 figures 1 claim

Claims (1)

Schutzanspruch --------------
Gießharzivandler, dadurch gekennzeichnet, daß auf die Primärwicklung des Gießharzwandlera von jeder Stirnseite her je eine aus elastischem, leitfähigem Material bestehende Kapselhälfte aufgeschoben ist, wobei der nach Verbindung beider Kapselhälften mittels Steck-und/oder Klebeverbindung und nach Gießharzumguß entstandene Querdurchgang die Sekundärwicklung und einen Schenkel des Eisenkernes aufnimmt.
Claim to protection --------------
Cast resin converter, characterized in that one capsule half made of elastic, conductive material is pushed onto the primary winding of the cast resin converter from each end face, the secondary winding and one leg of the transverse passage formed after the two capsule halves have been connected by means of a plug-in and / or adhesive connection and after cast resin encapsulation of the iron core.
DES28064U 1958-08-29 1958-08-29 CAST RESIN CONVERTER. Expired DE1787298U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DES28064U DE1787298U (en) 1958-08-29 1958-08-29 CAST RESIN CONVERTER.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DES28064U DE1787298U (en) 1958-08-29 1958-08-29 CAST RESIN CONVERTER.

Publications (1)

Publication Number Publication Date
DE1787298U true DE1787298U (en) 1959-04-23

Family

ID=32888932

Family Applications (1)

Application Number Title Priority Date Filing Date
DES28064U Expired DE1787298U (en) 1958-08-29 1958-08-29 CAST RESIN CONVERTER.

Country Status (1)

Country Link
DE (1) DE1787298U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1120003B (en) * 1959-06-20 1961-12-21 Koch & Sterzel K G Cast-resin-insulated electrical transducer, implementation or the like.

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1120003B (en) * 1959-06-20 1961-12-21 Koch & Sterzel K G Cast-resin-insulated electrical transducer, implementation or the like.

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