DE624577C - Current transformer with a split main iron core, an auxiliary core, an auxiliary winding that wraps around both of them and a transverse hole insulating body - Google Patents

Current transformer with a split main iron core, an auxiliary core, an auxiliary winding that wraps around both of them and a transverse hole insulating body

Info

Publication number
DE624577C
DE624577C DEK125592D DEK0125592D DE624577C DE 624577 C DE624577 C DE 624577C DE K125592 D DEK125592 D DE K125592D DE K0125592 D DEK0125592 D DE K0125592D DE 624577 C DE624577 C DE 624577C
Authority
DE
Germany
Prior art keywords
core
auxiliary
insulating body
current transformer
winding
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
DEK125592D
Other languages
German (de)
Inventor
Dipl-Ing Otto Erich Noelke
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.)
Koch and Sterzel AG
Original Assignee
Koch and Sterzel AG
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 Koch and Sterzel AG filed Critical Koch and Sterzel AG
Priority to DEK125592D priority Critical patent/DE624577C/en
Application granted granted Critical
Publication of DE624577C publication Critical patent/DE624577C/en
Expired legal-status Critical Current

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Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01FMAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F38/00Adaptations of transformers or inductances for specific applications or functions
    • H01F38/20Instruments transformers
    • H01F38/22Instruments transformers for single phase ac
    • H01F38/28Current transformers
    • H01F38/30Constructions
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01FMAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F27/00Details of transformers or inductances, in general
    • H01F27/42Circuits specially adapted for the purpose of modifying, or compensating for, electric characteristics of transformers, reactors, or choke coils
    • H01F27/422Circuits specially adapted for the purpose of modifying, or compensating for, electric characteristics of transformers, reactors, or choke coils for instrument transformers
    • H01F27/427Circuits specially adapted for the purpose of modifying, or compensating for, electric characteristics of transformers, reactors, or choke coils for instrument transformers for current transformers

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Transformers For Measuring Instruments (AREA)

Description

Stromwandler mit geteiltem Haupteisenkern, einem Hilfskern, einer beide umschlingenden Hilfswicklung und einem Querlochisolierkörper Im' Hauptpatent ist ein Strgmwandler mit einem geteilten Haupteisenkern und einem zur Verbesserung seiner'Charakteristiken dienenden Hilfskern mit einer in sich kurzgeschlossenen Hilfswicklung, die den einen Hauptkernteil mit dem Hilfskern in umgekehrtem Wicklungssinne umschlingt als den anderen Hauptkernteil, dahingehend beschrieben, daß diese Art der Verbesserung bei einem Stromwandlermiteinean Querlochisolierkörper in der Weise angewandt wird, daß nur die außerhalb des Isolierkörpers liegenden Teile des Hauptkernes zum Zwecke des Einbringens der Hilfswicklung gespalten sind. Es kann dann ohne Vergrößerung des Querlochisolierkörpermodelleseine erhöhte Leistung aus dem Wandler herausgeholt werden.Current transformer with split main iron core, one auxiliary core, one both looping auxiliary winding and a transverse hole insulating body in the 'main patent is a Ctrl converter with a split main iron core and one for enhancement its' characteristics serving auxiliary core with a short-circuited Auxiliary winding, which has a main core part with the auxiliary core in the opposite direction of the winding as the other main core part, described to the effect that this species the improvement in a current transformer with a cross-hole insulating body in the manner is applied that only the parts of the main core lying outside the insulating body are split for the purpose of introducing the auxiliary winding. It can then be used without magnification of the cross-hole insulator model gets increased performance out of the transducer will.

Sind bei einem derartigen Stromwandler mehrere Haupteisenkerne mit selbständigen Sekundärwicklungen vorhanden, von denen die eine beispielsweise ein Relais, die andere ein Meßinstrument speist, so müßte für jeden Haupteisenkern ein besonderer Hilfskern vorgesehen werden, der das Wandlermodell lediglich zum Unterbringen der beiden Hilfskerne im Querloch vergrößern würde.There are several main iron cores with such a current transformer independent secondary windings available, one of which, for example, a Relay, which feeds another measuring instrument, would have to have one for each main iron core special auxiliary core can be provided, which only accommodates the converter model of the two auxiliary cores in the transverse hole.

Der Erfindung liegt die Erkenntnis zugrunde, daß die bisher angenommene Beeinflussung von Hilfskern und Hauptkern nicht besteht und auch von einem gemeinsamen Hilfskern mehrere Haupteisenkerne über die Hilfswicklung vormagnetisiert werden können.The invention is based on the knowledge that the previously assumed There is no influence of the auxiliary core and the main core and also of a common one Auxiliary core several main iron cores can be premagnetized via the auxiliary winding can.

Erfindungsgemäß ist daher bei Vorhandensein von mehreren Haupteisenkernen mit selbständigen Sekundärwicklungen für die benachbart liegenden Spaltkernteile ,ein gemeinsamer Hilfskern vorgesehen. Vom Hilfskern können besondere Hilfswicklungen nach den SpaltkernteiIen der einzelnen Haupteisenkerne führen. Es kann aber ;auch allen Spaltkernteilen eine gemeinsame Hilfswicklung eigen sein. .According to the invention is therefore in the presence of several main iron cores with independent secondary windings for the adjacent split core parts , a common auxiliary core is provided. Special auxiliary windings can be used from the auxiliary core lead to the split core parts of the individual main iron cores. But it can; also all split core parts have a common auxiliary winding. .

In den Abbildungen sind Ausführungsbeispiele gemäß der Erfindung dargestellt. Der Primärleiter r r umschlingt das Querloch des Isolierkörpers r q. und wird durch diesen gegen die Haupteisenkerne 3o, 3 1 und den Hilfskern 32 sowie die auf den Mittelschenkeln der Kerne im -Querloch sitzenden Sekundärwicklungen 23, 2¢ isoliert. Die außerhalb des Isolierkörpers 14 liegenden Teile der Haupteisenkerne sind gespalten und werden von einer gemeinsamen Hilfswicklung 33 umschlungen. Vorteilhaft ist diese Hilfswicklung nicht in sich kurzgeschlossen, sondern ihre Enden 34 sind an eine ran sich bekannte Schubwicklung 35 angeschlossen. Die Schubwicklung 35 ist allen Eisenkernen gemeinsam und liegt auf den beiden Außenschenkeln der Manteleisenkerne als aus zwei gegeneinandergeschalteten Wicklungsteilen bestehende Wicklung. In diesem Falle der Parallelschaltung wird die Hilfswicklung von der Schubwicklung gespeist, wodurch sich der Effekt der Hilfsschaltung noch weiter vergrößern läßt. Abgesehen davon, ergibt sich durch die gemeinsame Schubwicklung eine wesentliche Vereinfachung der Herstellung, weil nicht jeder einzelne Eisenkern eine besondere Schubwicklung zu erhalten braucht.In the figures, exemplary embodiments according to the invention are shown. The primary conductor r r wraps around the transverse hole of the insulating body r q. and will go through this against the main iron cores 3o, 3 1 and the auxiliary core 32 as well the secondary windings on the middle legs of the cores in the cross hole 23, 2 ¢ isolated. The parts of the main iron cores lying outside the insulating body 14 are split and are wrapped around by a common auxiliary winding 33. Advantageous this auxiliary winding is not short-circuited in itself, but its ends 34 are connected to a thrust winding 35 known per se. The thrust winding 35 is common to all iron cores and lies on the two outer legs of the jacket iron cores as a winding consisting of two winding parts connected against one another. In this In the case of parallel connection, the auxiliary winding is fed by the thrust winding, whereby the effect of the auxiliary circuit can be increased even further. Apart from that of this, the common thrust winding results in a significant simplification production, because not every single iron core has a special thrust winding needs to get.

Claims (3)

PATENTANSPRÜCHE: i. Stromwandler mit geteiltem Haupteisenkern, einem Hilfskern, einer beide umschlingenden Hilfswicklung und einem Querlochisolierkörper, bei dem zum Anbringen der Hilfswicklung die außerhalb des» Isolierkörpers liegenden Teile des Hauptleernes gespalten sind, nach Patent 6o6389, dadurch gekennzeichnet, daß bei Vorhandensein von einem Haupteisenkern mit selbständigen Sekundärwicklungen für die benachbart liegenden Spaltkernteile ,ein gemeinsamer Hilfskern vorgesehen ist. PATENT CLAIMS: i. Current transformer with split main iron core, one Auxiliary core, an auxiliary winding that wraps around both of them and a transverse hole insulating body, in the case of the one outside of the »insulating body for attaching the auxiliary winding Parts of the main void are split, according to patent 6o6389, characterized in that in the presence of a main iron core with independent secondary windings a common auxiliary core is provided for the adjacent split core parts is. 2. Stromwandler nach Anspruch i, dadurch gekennzeichnet, daß den benachbart liegenden Spaltkeniteilen die Hilfswicklung gemeinsam ist. 2. Current transformer according to claim i, characterized in that the adjacent lying Spaltkenitteile the auxiliary winding is common. 3. Stromwandler nach Ansprüchen i und 2, dadurch gekennzeichnet, daß ,alle außerhalb des Isolierkörpers liegenden Kernteile von einer gemeinsamen Schubwicklung umfaßt sind, zu der die Hilfswicklung parallel geschaltet ist.3. Current transformer after Claims i and 2, characterized in that, all outside of the insulating body lying core parts are comprised of a common thrust winding to which the Auxiliary winding is connected in parallel.
DEK125592D 1932-05-24 1932-05-24 Current transformer with a split main iron core, an auxiliary core, an auxiliary winding that wraps around both of them and a transverse hole insulating body Expired DE624577C (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DEK125592D DE624577C (en) 1932-05-24 1932-05-24 Current transformer with a split main iron core, an auxiliary core, an auxiliary winding that wraps around both of them and a transverse hole insulating body

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DEK125592D DE624577C (en) 1932-05-24 1932-05-24 Current transformer with a split main iron core, an auxiliary core, an auxiliary winding that wraps around both of them and a transverse hole insulating body

Publications (1)

Publication Number Publication Date
DE624577C true DE624577C (en) 1936-01-24

Family

ID=7245915

Family Applications (1)

Application Number Title Priority Date Filing Date
DEK125592D Expired DE624577C (en) 1932-05-24 1932-05-24 Current transformer with a split main iron core, an auxiliary core, an auxiliary winding that wraps around both of them and a transverse hole insulating body

Country Status (1)

Country Link
DE (1) DE624577C (en)

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