DE1096514B - Procedure for changing the inductance of an iron core coil with the help of a permanent magnet - Google Patents

Procedure for changing the inductance of an iron core coil with the help of a permanent magnet

Info

Publication number
DE1096514B
DE1096514B DEM28587A DEM0028587A DE1096514B DE 1096514 B DE1096514 B DE 1096514B DE M28587 A DEM28587 A DE M28587A DE M0028587 A DEM0028587 A DE M0028587A DE 1096514 B DE1096514 B DE 1096514B
Authority
DE
Germany
Prior art keywords
permanent magnet
inductance
iron core
changing
core coil
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.)
Pending
Application number
DEM28587A
Other languages
German (de)
Inventor
Dr Erich Steingroever
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.)
MAGNETFAB GEWERKSCH WINDHORST
Original Assignee
MAGNETFAB GEWERKSCH WINDHORST
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 MAGNETFAB GEWERKSCH WINDHORST filed Critical MAGNETFAB GEWERKSCH WINDHORST
Priority to DEM28587A priority Critical patent/DE1096514B/en
Publication of DE1096514B publication Critical patent/DE1096514B/en
Pending legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F29/00—Variable transformers or inductances not covered by group H01F21/00
    • H01F29/14—Variable transformers or inductances not covered by group H01F21/00 with variable magnetic bias

Description

Verfahren zur Änderung der Induktivität einer Eisenkernspule mit Hilfe eines Dauermagneten Die Erfindung betrifft ein Verfahren zur Änderung der Induktivität einer Eisenkernspule.Method of changing the inductance of an iron core coil with the help of a permanent magnet The invention relates to a method for changing the inductance an iron core coil.

Es ist bekannt, die Induktivität einer Eisenkernspule (etwa eines Transformators) durch Vormagnetisierung mittels einer elektrischen Stromwicklung oder mittels eines Dauermagneten zu verändern. Zu diesem bekannten Verfahren bildet die Erfindung eine wertvolle Ergänzung.It is known that the inductance of an iron core coil (such as a Transformer) by pre-magnetization by means of an electrical current winding or to change it by means of a permanent magnet. To this known method forms the invention a valuable addition.

Die Erfindung ist dadurch gekennzeichnet, daß das Feld eines Dauermagneten, dem der Spulenkern ausgesetzt wird, durch eine elektromagnetische Erregung verändert wird. Diese indirekte Beeinflussung der Induktiv ität der Eisenkernspule unter Zwischenschaltung eines Dauermagnetfeldes ergibt eine andere Abhängigkeit der Regelung von der Erregung als bei unmittelbarer Wirkung der Erregung: Mit größer werdender Erregung wird beispielsweise das Dauermagnetfeld stärker kompensiert, so daß die Beeinflussung der Eisenkernspule geringer wird; d. h., die Permeabilität eines Transformatorkernes steigt an, während sie bei kleinerer Erregung sinkt. Diese Umkehrung der Regelrichtung ist für viele Anordnungen zweckmäßig und wertvoll.The invention is characterized in that the field of a permanent magnet, to which the coil core is exposed, changed by electromagnetic excitation will. This indirect influence on the inductance of the iron core coil with the interposition a permanent magnetic field results in a different dependence of the regulation on the excitation than with the immediate effect of arousal: with increasing excitement, for example the permanent magnetic field compensated more strongly, so that the influence of the iron core coil becomes less; d. i.e., the permeability of a transformer core increases while it decreases with less excitement. This reversal of control direction is common to many Arrangements expedient and valuable.

Elektrisch regelbare Dauermagnete, wie sie zur Ausführung des erfindungsgemäßen Verfahrens geeignet sind, sind bekannt. Sie besitzen eine elektrische Erregung, die den Magnetfluß im Arbeitsspalt eines Dauermagneten kompensiert, und einen magnetischen Hilfspfad, der den aus dem Arbeitsspalt verdrängten Magnetfluß aufnimmt, .so daß keine Veränderung der Magnetisierung des Dauermagneten auftritt, sondern nur eine Umlenkung des Magnetflusses.Electrically controllable permanent magnets, such as those used for the implementation of the invention Process are suitable are known. You have an electrical excitement which compensates for the magnetic flux in the working gap of a permanent magnet, and a magnetic one Auxiliary path that absorbs the magnetic flux displaced from the working gap, so that there is no change in the magnetization of the permanent magnet, but only one Redirection of the magnetic flux.

Claims (2)

PATENTANSPRÜCHE: 1. Verfahren zur Änderung der Induktivität einer Eisenkernspule mit Hilfe eines Dauermagneten, dadurch gekennzeichnet, daß das Feld des Dauermagneten, dem der Spulenkern ausgesetzt wird, durch eine elektromagnetische Erregung verändert wird. PATENT CLAIMS: 1. Method for changing the inductance of a Iron core coil with the aid of a permanent magnet, characterized in that the field of the permanent magnet to which the coil core is exposed by an electromagnetic one Arousal is changed. 2. Anordnung zur Durchführung des Verfahrens nach Anspruch 1, gekennzeichnet durch die Verwendung eines Dauermagneten, bei dem der den Arbeitsspalt durchsetzende Magnetfluß durch elektromagnetische Erregung kompensiert und auf einen magnetischen Hilfspfad verdrängt wird. In Betracht gezogene Druckschriften: Deutsche Patentschriften Nr. 623 378, 726 920; schweizerische Patentschrift Nr. 236 118; britische Patentschrift Nr. 621011; USA.-Patentschrift Nr. 2 348 967; Zeitschrift »Funk«, 1936, S. 225 bis 230.2. Arrangement for performing the method according to claim 1, characterized by the use of a permanent magnet, in which the magnetic flux penetrating the working gap is compensated by electromagnetic excitation and displaced onto an auxiliary magnetic path. Considered publications: German Patent Specifications Nos. 623 378, 726 920; Swiss Patent No. 236 118; British Patent No. 621011; U.S. Patent No. 2,348,967; "Funk" magazine, 1936, pp. 225 to 230.
DEM28587A 1952-03-17 1952-03-17 Procedure for changing the inductance of an iron core coil with the help of a permanent magnet Pending DE1096514B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DEM28587A DE1096514B (en) 1952-03-17 1952-03-17 Procedure for changing the inductance of an iron core coil with the help of a permanent magnet

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DEM28587A DE1096514B (en) 1952-03-17 1952-03-17 Procedure for changing the inductance of an iron core coil with the help of a permanent magnet

Publications (1)

Publication Number Publication Date
DE1096514B true DE1096514B (en) 1961-01-05

Family

ID=7300445

Family Applications (1)

Application Number Title Priority Date Filing Date
DEM28587A Pending DE1096514B (en) 1952-03-17 1952-03-17 Procedure for changing the inductance of an iron core coil with the help of a permanent magnet

Country Status (1)

Country Link
DE (1) DE1096514B (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10111460A1 (en) * 2001-03-09 2002-09-19 Siemens Ag Magnetic HF device with magnetically soft layer system e.g. for telecommunications systems, has adjustment of permeability of layer system by at least one other layer
DE10311071A1 (en) * 2003-03-13 2004-09-30 Vacuumschmelze Gmbh & Co. Kg magnet assembly

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE623378C (en) *
DE726920C (en) * 1939-11-28 1942-10-26 Heinrich List Werke Fuer Elekt Piston magnet
US2348967A (en) * 1941-12-08 1944-05-16 Clarence J Duby Permanent lifting magnet
CH236118A (en) * 1942-11-25 1945-01-15 Zingel Paul Magnet arrangement.
GB621011A (en) * 1947-02-10 1949-04-01 English Electric Co Ltd Improvements relating to magnetic devices

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE623378C (en) *
DE726920C (en) * 1939-11-28 1942-10-26 Heinrich List Werke Fuer Elekt Piston magnet
US2348967A (en) * 1941-12-08 1944-05-16 Clarence J Duby Permanent lifting magnet
CH236118A (en) * 1942-11-25 1945-01-15 Zingel Paul Magnet arrangement.
GB621011A (en) * 1947-02-10 1949-04-01 English Electric Co Ltd Improvements relating to magnetic devices

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10111460A1 (en) * 2001-03-09 2002-09-19 Siemens Ag Magnetic HF device with magnetically soft layer system e.g. for telecommunications systems, has adjustment of permeability of layer system by at least one other layer
DE10311071A1 (en) * 2003-03-13 2004-09-30 Vacuumschmelze Gmbh & Co. Kg magnet assembly
DE10311071A8 (en) * 2003-03-13 2005-01-13 Vacuumschmelze Gmbh & Co. Kg magnet assembly

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