EP0387841A2 - Arrangement de bobines antiparasitage pour amortir des courants parasitaires symétriques et asymétriques - Google Patents

Arrangement de bobines antiparasitage pour amortir des courants parasitaires symétriques et asymétriques Download PDF

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Publication number
EP0387841A2
EP0387841A2 EP90104823A EP90104823A EP0387841A2 EP 0387841 A2 EP0387841 A2 EP 0387841A2 EP 90104823 A EP90104823 A EP 90104823A EP 90104823 A EP90104823 A EP 90104823A EP 0387841 A2 EP0387841 A2 EP 0387841A2
Authority
EP
European Patent Office
Prior art keywords
current
winding
compensated
arrangement according
compensated 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.)
Granted
Application number
EP90104823A
Other languages
German (de)
English (en)
Other versions
EP0387841A3 (en
EP0387841B1 (fr
Inventor
Anton Ing. Schmeller (Grad.)
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.)
Vogt Electronic AG
Original Assignee
Vogt Electronic 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 Vogt Electronic AG filed Critical Vogt Electronic AG
Priority to AT90104823T priority Critical patent/ATE90473T1/de
Publication of EP0387841A2 publication Critical patent/EP0387841A2/fr
Publication of EP0387841A3 publication Critical patent/EP0387841A3/de
Application granted granted Critical
Publication of EP0387841B1 publication Critical patent/EP0387841B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F37/00—Fixed inductances not covered by group H01F17/00

Definitions

  • the invention relates to a suppressor choke arrangement according to the introductory part of patent claim 1.
  • interference suppression arrangements consisting of two separate different types of chokes, each with its own core, namely a current-compensated choke, preferably constructed with a ferrite ring core, for damping asymmetrical interference and a second choke for damping symmetrical interference , not current-compensated, with a second (ring) core made of metal powder; Metal powder core therefore to avoid saturation.
  • This interference suppression method which has been customary to date, is complex. Not only does it take up a lot of space, it is also expensive.
  • the invention has for its object to provide a suppressor arrangement according to the introductory part of claim 1, which is characterized by a much smaller space and much less effort compared to the known suppressor assemblies and is also easier to install than this, so that they too costs less in this regard.
  • the invention results in a combined suppressor choke as a unitary component, the air gap causing the supply current to cause no saturation in the magnetic circuit of the non-current-compensated winding.
  • This air gap is only provided in the magnetic circuit of the non-compensated winding, since the saturation in the magnetic circuit of the current-compensated winding is avoided in a known manner by the current compensation of the supply current.
  • the windings can be connected in a known manner via a printed circuit board.
  • the dependent claims relate to preferred embodiments of the interference suppression arrangement according to claim 1.
  • the claims 2 to 8 have particularly favorable structural designs the subject.
  • Claims 9 and 10 relate to preferred measures for optimizing the damping effect.
  • the claim 11 relates to a preferred choice of materials for the core of the interference suppression arrangement according to the invention.
  • the drawing shows a preferred embodiment of the combined interference suppressor according to the invention.
  • 1a and 1b show the interference suppression in view from the side (Fig.1a) and in view from above (Fig.1b)
  • Fig. 2 shows the circuit diagram for the windings of the choke
  • Fig. 3 shows schematically in side view the structure of the core and the assignment of the windings to it with the current flow directions and the associated magnetic flux directions.
  • Fig. 3 the current flow directions for the supply current and the associated magnetic flow directions for a half-wave are given.
  • the core 1 is an E-core with two outer legs 1a and 1c and a middle leg 1b, which has an air gap 7 on the one outer leg 1c.
  • the other outer leg 1a and the middle leg 1b are designed without an air gap.
  • a current-compensated winding with its winding halves W1 and W2 wound or switched in opposite directions is arranged on the outer leg 1a without an air gap.
  • the supply current flows from the current source first through one winding half W1 of the current-compensated winding, then through the partial winding W3 of the non-current-compensated winding to the load and back from the load through the partial winding W4 of the non-current-compensated winding and finally via the second Half W2 of the current compensated winding back to the power source.
  • the supply current tends to produce compensating magnetic fluxes in the magnetic circuit of the current-compensated winding which closes via the middle leg, although (mains) asymmetrical interference currents through the winding halves W1 and W2 in this magnetic circuit do not compensate for interference fluxes cause so that such interference currents are greatly damped or eliminated.
  • the (mains) symmetrical interference currents generate, via the partial windings W3 and W4 of the non-current-compensated winding, in their magnetic circuits, which are also closed via the central limb 1b, in the same direction, so that they, too, are strongly damped or eliminated.
  • the supply current by means of the partial windings W3 and W4 of the non-current-compensated winding also causes rectified magnetic fluxes in its magnetic circuit, but the air gap 7 ensures that the core material in this circuit cannot be driven into saturation by the supply current.
  • the windings or partial windings and winding halves are each located on a separate coil former 2 for the current-compensated winding W1, W2 on the one hand and for the non-current-compensated winding W3, W4 on the other hand.
  • These coil formers each surround the relevant outer leg 1a or 1c of the core 1.
  • the coil former 3 the winding halves or partial windings in two or four winding chambers 3 are arranged side by side.
  • the bobbins 2 are provided with connecting pins 4, which are used to connect the winding halves or partial windings and the external circuitry of the combined suppressor choke according to the invention.
  • a particularly favorable material for the core 1 is highly permeable ferrite.
  • the winding halves of the current-compensated winding or the partial windings of the non-current-compensated winding could also be arranged one above the other, and the air gap 7 could also be at a different location in the magnetic circuit of the non-current-compensated winding W3, W4 than in the outer leg 1c, e.g. in the yoke.
  • a sufficient damping of the two interference components namely the symmetrical interference current and the asymmetrical interference current, can be achieved with the combined interference suppressor according to the invention.

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Coils Or Transformers For Communication (AREA)
  • Particle Accelerators (AREA)
  • Feedback Control In General (AREA)
  • Current-Collector Devices For Electrically Propelled Vehicles (AREA)
  • Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
  • Power Conversion In General (AREA)
  • Coils Of Transformers For General Uses (AREA)
EP90104823A 1989-03-14 1990-03-14 Arrangement de bobines antiparasitage pour amortir des courants parasitaires symétriques et asymétriques Expired - Lifetime EP0387841B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT90104823T ATE90473T1 (de) 1989-03-14 1990-03-14 Entstoerdrosselanordnung zur bedaempfung von symmetrischen und von unsymmetrischen stoerstroemen.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3908224 1989-03-14
DE3908224A DE3908224A1 (de) 1989-03-14 1989-03-14 Kombinierte entstoerdrossel zur beseitigung symmetrischer und asymmetrischer stoerungen

Publications (3)

Publication Number Publication Date
EP0387841A2 true EP0387841A2 (fr) 1990-09-19
EP0387841A3 EP0387841A3 (en) 1990-12-19
EP0387841B1 EP0387841B1 (fr) 1993-06-09

Family

ID=6376283

Family Applications (1)

Application Number Title Priority Date Filing Date
EP90104823A Expired - Lifetime EP0387841B1 (fr) 1989-03-14 1990-03-14 Arrangement de bobines antiparasitage pour amortir des courants parasitaires symétriques et asymétriques

Country Status (3)

Country Link
EP (1) EP0387841B1 (fr)
AT (1) ATE90473T1 (fr)
DE (2) DE3908224A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1998012718A1 (fr) * 1996-09-16 1998-03-26 Vacuumschmelze Gmbh Bobine d'antiparasitage a compensation de courant a inductance de fuite accrue
EP1439554A1 (fr) * 2003-01-17 2004-07-21 Schaffner Emv Ag Composant inductif

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE9417708U1 (de) * 1994-11-04 1996-02-29 Tridonic Bauelemente Ges.M.B.H., Dornbirn Filterdrossel
DE102006043960B4 (de) * 2006-09-14 2021-01-21 Sew-Eurodrive Gmbh & Co Kg System zur berührungslosen Energieübertragung
DE102014206469A1 (de) * 2014-04-03 2015-10-08 SUMIDA Components & Modules GmbH Drossel und drosselkern

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1101857A (en) * 1965-09-28 1968-01-31 Black & Decker Ltd Interference suppression choke
DE3445879A1 (de) * 1983-11-09 1986-06-19 Vogt electronic AG, 8391 Erlau Stromkompensierte ringkerndrossel mit erhoehter streuinduktivitaet

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE761005C (de) * 1939-12-03 1953-01-26 Siemens Schuckertwerke A G Dreischenklige Eisendrossel mit Luftspalt in jedem Schenkel
DE1015533B (de) * 1955-09-15 1957-09-12 Siemens Ag Saugdrosselanordnung mit grossem Stabilitaetsbereich
DE8420292U1 (de) * 1984-07-06 1984-09-27 Deutsche Thomson-Brandt Gmbh, 7730 Villingen-Schwenningen Spulenanordnung mit mindestens drei spulenkoerpern fuer fernsehgeraete
NL8500463A (nl) * 1985-02-19 1986-09-16 Philips Nv Transformator met luchtspleet.

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1101857A (en) * 1965-09-28 1968-01-31 Black & Decker Ltd Interference suppression choke
DE3445879A1 (de) * 1983-11-09 1986-06-19 Vogt electronic AG, 8391 Erlau Stromkompensierte ringkerndrossel mit erhoehter streuinduktivitaet

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1998012718A1 (fr) * 1996-09-16 1998-03-26 Vacuumschmelze Gmbh Bobine d'antiparasitage a compensation de courant a inductance de fuite accrue
EP1439554A1 (fr) * 2003-01-17 2004-07-21 Schaffner Emv Ag Composant inductif

Also Published As

Publication number Publication date
DE3908224A1 (de) 1990-09-20
DE59001645D1 (de) 1993-07-15
ATE90473T1 (de) 1993-06-15
EP0387841A3 (en) 1990-12-19
EP0387841B1 (fr) 1993-06-09

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