EP1274103A1 - Abschirmung zur Aufnahme mindestens eines eine nichtionisierende Strahlung oder ein nichtionisierendes Feld erzeugenden Objektes - Google Patents
Abschirmung zur Aufnahme mindestens eines eine nichtionisierende Strahlung oder ein nichtionisierendes Feld erzeugenden Objektes Download PDFInfo
- Publication number
- EP1274103A1 EP1274103A1 EP02012797A EP02012797A EP1274103A1 EP 1274103 A1 EP1274103 A1 EP 1274103A1 EP 02012797 A EP02012797 A EP 02012797A EP 02012797 A EP02012797 A EP 02012797A EP 1274103 A1 EP1274103 A1 EP 1274103A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- wall
- shielding according
- ceiling
- shield
- shielding
- 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
Links
- 230000004907 flux Effects 0.000 title description 3
- 239000000463 material Substances 0.000 claims abstract description 19
- 230000005865 ionizing radiation Effects 0.000 claims description 7
- 229910052782 aluminium Inorganic materials 0.000 claims description 5
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 5
- 238000010276 construction Methods 0.000 claims description 4
- 230000035699 permeability Effects 0.000 claims description 3
- 229910000838 Al alloy Inorganic materials 0.000 claims description 2
- 229910052751 metal Inorganic materials 0.000 claims description 2
- 239000002184 metal Substances 0.000 claims description 2
- 230000003068 static effect Effects 0.000 claims description 2
- 239000010410 layer Substances 0.000 claims 10
- 238000010292 electrical insulation Methods 0.000 claims 1
- 239000002356 single layer Substances 0.000 claims 1
- 238000001816 cooling Methods 0.000 abstract description 3
- 230000005672 electromagnetic field Effects 0.000 description 3
- 238000012423 maintenance Methods 0.000 description 2
- 238000009420 retrofitting Methods 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000033228 biological regulation Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 210000004556 brain Anatomy 0.000 description 1
- 238000005253 cladding Methods 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 230000005669 field effect Effects 0.000 description 1
- 239000011796 hollow space material Substances 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 230000000622 irritating effect Effects 0.000 description 1
- 230000005415 magnetization Effects 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 210000003205 muscle Anatomy 0.000 description 1
- 210000004165 myocardium Anatomy 0.000 description 1
- 210000005036 nerve Anatomy 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
Images
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/34—Special means for preventing or reducing unwanted electric or magnetic effects, e.g. no-load losses, reactive currents, harmonics, oscillations, leakage fields
- H01F27/346—Preventing or reducing leakage fields
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/34—Special means for preventing or reducing unwanted electric or magnetic effects, e.g. no-load losses, reactive currents, harmonics, oscillations, leakage fields
- H01F27/36—Electric or magnetic shields or screens
- H01F27/361—Electric or magnetic shields or screens made of combinations of electrically conductive material and ferromagnetic material
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/34—Special means for preventing or reducing unwanted electric or magnetic effects, e.g. no-load losses, reactive currents, harmonics, oscillations, leakage fields
- H01F27/36—Electric or magnetic shields or screens
Definitions
- the present invention relates to a shield for receiving at least one is a non-ionizing radiation or a non-ionizing one Field generating object. In particular, it is about the Protection against electromagnetic fields in the area of energy plants.
- the invention has as its object, a shield for receiving at least one of a non-ionizing radiation or a non-ionizing one Creating field generating object, which is a compliance of the Limits allowed.
- the invention corresponds to the characterizing features of Claim 1. Further advantageous embodiments are dependent Claims.
- the inventive shielding is in the range of energy systems, For example, in transformers, a more effective and yet with relatively little constructive and financial effort achievable protection against electromagnetic fields created.
- Fig. 1 is the example of a transformer shown schematically 1 shows the course of the field lines 2 of an electromagnetic interference field.
- the area of this transformer 1, the part of a further not shown network station is to shield it.
- the transformer 1 is arranged in a specially shaped and constructed shield 3. From the basic idea, preferably two are orthogonal Intersecting tube section-like elements 4 and 5 with approximately rectangular Cross section arranged. Seen from above and from below, is by this arrangement of the pipe section-like elements 4 and 5 a cross, more precisely a Swiss cross, formed. The transformer 1 is in the middle of this three-dimensional shield 3, on the bottom of which 6 standing, arranged. It goes without saying that in intersection or overlap area in the bottom 6 and in the ceiling 7 of the two pipe section-like elements 4 and 5 no Wandaufdoppelung the shield 3 must be given. Rather, here is the wall of the Shield 3 built exactly the same as in the other parts.
- the four corners 8, 9, 10 and 11 of the shield 3 remain open in any case, these preferably being dimensioned so That should at least be right in front of the cooling fins 12 and 13 of the transformer 1 lying area by a strip-shaped wall part 14, 15, 16 and 17 is covered.
- transformer masses is the wall width 18 of one of these strip-shaped wall parts 14 - 17 preferably about 100 cm.
- the open construction of the shield 3 also brings a whole series of advantages.
- the good air circulation is unhindered Cooling the transformer 1.
- Transformer 1 is for maintenance personnel easily accessible from all four corners 8 - 11, without shielding or trim parts would be dismounted.
- Fig. 3 the rational shield of several, side by side arranged transformers 1 shown. In fact, it is many times so that in network stations a number of juxtaposed Transformers 1 is present. It is in this case, as based on the Example of two transformers shown, not required respectively to provide a separate shield 3. Rather, a single, Provide extended shielding 19, without intermediate wall between the individual transformers 1, but only with a first, im Cross-section widened, pipe section-like element 20 and a additional pipe section-like element 22 for the second transformer 1.
- This expanded shield 19 thus has, from the idea, three pipe section-like or optionally three in cross-section U-shaped Elements 20, 21 and 22.
- FIG. 4 The wall structure of the wall parts 14-17 and the ceiling 7 and possibly the bottom 6 of the shield 3 or 19 is shown in FIG. 4 in several parts.
- a first wall 24 is provided, preferably consisting of several layers of a ⁇ m metal.
- This first, inner wall 24, or the material attached closer to the source of interference, must have the highest possible magnetic conductivity.
- a high permeability, or a high initial magnetization is important.
- the initial permeability ⁇ 4 is preferably> 1000.
- a second wall 26 is present, for example made of aluminum or of an aluminum alloy. This second wall 26 must have the highest possible electrical conductivity, preferably Y> 30 m / ⁇ mm 2 .
- the magnetically conductive layer and the electrically conductive material are electrically isolated from each other.
- the two walls 24 and 26 are spaced from each other, forming a hollow space 27.
- This insulating gap is important on the one hand for the efficiency of the shield.
- the profiles 28 of a support structure can be arranged, which gives the shield 3 and 19, the required static stability.
- care must be taken to ensure that the insulation between the two walls 24 and 26 is not affected by the supporting structure.
- the walls 24 and 26 can be bolted to the profiles 28.
- the edges can also be closed so that the profiles 28 of an assembled shield 3 or 19 are not visible. Overall, this results in not only a very effective and practical, but also a shapely construction.
- the described shield 3 or 19 can be used not only in transformers 1, for which she is especially designed, but also at others, a non-ionizing radiation or a non-ionizing one Use field generating objects, e.g. for control cabinets or for a low-voltage distribution as well as for cable trays, cable ducts or cable trenches.
- the shield 19 may be e.g. corresponding the embodiment of FIG. 3 are stretched.
- the shield 3 or 19 in detail also different than drawn and described previously described.
- the ceiling 7 in several parts or in other ways partially open to construct, as in the present example the case is.
- the ceiling 7 or possibly a room only partially covering Partial ceiling can, for example, also from each other Legs of L or C-shaped wall parts 14 - 17 are formed.
- the ceiling 7 and possibly the bottom 6 instead of cross-shaped be formed rectangular, so that the area of the open Corners 8-11 is covered and is e.g. gives a cube-like body.
- the wall parts 14 - 17 could also be inclined, up to the formation of a Pyramid.
- the outside wall 26 could also be multilayered be educated.
- the wall parts 14 -17 and the ceiling 7 could also do so be attached so that they can be disassembled quickly for maintenance purposes.
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Shielding Devices Or Components To Electric Or Magnetic Fields (AREA)
- X-Ray Techniques (AREA)
- Laminated Bodies (AREA)
- Application Of Or Painting With Fluid Materials (AREA)
Abstract
Description
- Fig. 1
- zeigt eine schematische Ansicht eines Transformators als Störquelle;
- Fig. 2
- zeigt einen Transformator nach Fig. 1 mit Abschirmung;
- Fig. 3
- zeigt die Abschirmung von zwei Transformatoren;
- Fig. 4
- zeigt den Wandaufbau einer Abschirmung nach den Fig. 1 - 3.
Claims (22)
- Abschirmung (3, 19) zur Aufnahme mindestens eines eine nichtionisierende Strahlung oder ein nichtionisierendes Feld erzeugenden Objektes, gekennzeichnet durch eine mindestens zwei Wandteile (14, 15, 16, 17) aufweisende Konstruktion, wobei der zwischen diesen Wandteilen (14, 15, 16, 17) liegende Raum mindestens teilweise überdeckt ist und wobei zwischen den Wandteilen (14, 15, 16, 17) Öffnungen vorhanden sind.
- Abschirmung nach Anspruch 1, dadurch gekennzeichnet, dass mindestens zwei, z.B. vier Wandteile (14, 15, 16, 17) vorhanden sind, die einander paarweise gegenüber liegen und einen Raum umgeben, zur Aufnahme mindestens eines eine nichtionisierende Strahlung erzeugenden Objektes, z.B. eines Transformators (1).
- Abschirmung nach Anspruch 1 oder 2, dadurch gekennzeichnet, dass die Wandteile (14, 15, 16, 17) in einer gemeinsamen Decke (7) zusammenlaufen.
- Abschirmung nach einem der Ansprüche 1 - 3, dadurch gekennzeichnet, dass im Bereich der Ecken (8, 9, 10, 11) Öffnungen vorhanden sind oder dass diese Ecken (8, 9, 10, 11) offen ausgebildet sind.
- Abschirmung nach einem der Ansprüche 2 - 4, gekennzeichnet durch im Querschnitt L-förmige Wandteile (14,15,16,17), wobei der eine, z.B. der lange L-Schenkel, je eine vorzugsweise senkrecht ausgerichtete Wand bildet und der andere, z.B. der kurze L-Schenkel, oben angeordnet und derart nach Innen ausgerichtet ist, dass er mindestens einen Teil einer Decke bildet und/oder an einer Kante einer Decke (7) anoder aufliegt.
- Abschirmung nach einem der Ansprüche 2 - 4, gekennzeichnet durch, im Querschnitt C-förmige Wandteile (14, 15, 16, 17), deren frei ragende C-Schenkel nach Innen ausgerichtet sind und z.B. je in einen gemeinsamen Boden (6) und eine gemeinsame Decke (7) münden oder einen solchen Boden bzw. eine Decke bilden.
- Abschirmung nach einem der Ansprüche 1- 6, dadurch gekennzeichnet, dass deren Konstruktion im Bereich des Bodens (6) und/oder im Bereich der Decke (7) von unten und/oder von oben betrachtet ein Kreuz bildet.
- Abschirmung nach einem der Ansprüche 1- 7, dadurch gekennzeichnet, dass diese entweder zwei rechtwinklig zueinander stehende, rohrabschnittartige Elemente (4, 5) aufweist, die vorzugsweise konzentrisch angeordnet sind, oder zwei im Querschnitt annähernd U-förmige Elemente (4, 5) aufweist, die im Bereich der Decke (7) mit ihrem mittleren U-Schenkel einander vorzugsweise rechtwinklig kreuzend zusammenlaufen.
- Abschirmung nach einem der Ansprüche 1 - 6, zur Aufnahme von mehreren nebeneinander angeordneten, eine nichtionisierende Strahlung erzeugenden Objekten, z.B. Transformatoren (1), dadurch gekennzeichnet, dass auf mindestens einer Seite der Abschirmung (19) mindestens zwei mit Abstand nebeneinander angeordneten Wandteile vorhanden sind, zwischen denen eine Öffnung zum Inneren der Abschirmung (19) vorhanden ist.
- Abschirmung nach Anspruch 9, gekennzeichnet durch ein erstes rohrabschnittartiges Element (20) und mindestens zwei weitere, rechtwinklig zu diesem ersten Element (20) stehende, rohrabschnittartige Elemente (21, 22).
- Abschirmung nach Anspruch 9, gekennzeichnet durch ein erstes, im Querschnitt U-förmiges Element (20) und mindestens zwei weitere, im Querschnitt ebenfalls U-förmige Elemente (21, 22), die im Bereich der Decke der Abschirmung (19) mit ihrem mittleren U-Schenkel rechtwinklig mit dem ersten Element (20) zusammenlaufen.
- Abschirmung nach einem der Ansprüche 1 - 11, dadurch gekennzeichnet, dass der Wandaufbau der Wandteile (14, 15, 16, 17) sowie der Decke (7) und allenfalls eines Bodens (6) zur Innenseite (23) hin mindestes eine Materialschicht hoher magnetischer Leitfähigkeit aufweist und in Richtung zur Aussenseite (25) hin mindestens eine Materialschicht hoher elektrischer Leitfähigkeit vorhanden ist.
- Abschirmung nach Anspruch 12, dadurch gekennzeichnet, dass die Materialschicht hoher magnetischer Leitfähigkeit und die Materialschicht hoher elektrischer Leitfähigkeit voneinander elektrisch isoliert angeordnet sind.
- Abschirmung nach Anspruch 13, dadurch gekennzeichnet, dass der Wandaufbau der Wandteile (14, 15, 16, 17) sowie der Decke (7) und allenfalls eines Bodens (6) mehrwandig, z.B. doppelwandig ausgebildet ist, wobei die einzelnen Wänden (24, 26) mit Abstand zueinander angeordnet sind, wodurch ein Zwischenraum (27) gebildet wird und wobei die erste Wand (24) eine hohe magnetische Leitfähigkeit aufweist oder mit einer entsprechenden Materialschicht versehen ist und die zweite Wand (26) eine hohe elektrische Leitfähigkeit aufweist oder mit einer entsprechenden Materialschicht versehen ist.
- Abschirmung nach einem der Ansprüche 12 - 14, dadurch gekennzeichnet, dass die Anfangspermeabilität der Materialschicht oder der Wand (24) hoher magnetischer Leitfähigkeit µ4 > 1000 ist.
- Abschirmung nach einem der Ansprüche 12 - 15, dadurch gekennzeichnet, dass die elektrische Leitfähigkeit der Materialschicht oder der Wand (26) hoher elektrischer Leitfähigkeit Y > 30 m/Ωmm2 beträgt.
- Abschirmung nach einem der Ansprüche 14 - 16, dadurch gekennzeichnet, dass mindestens auf der Innenseite (23), d.h. zum eine nichtionisierende Strahlung erzeugenden Objekt bzw. Transformator (1) hin, eine Wand (24) vorhanden ist, die aus mehreren Schichten gebildet ist.
- Abschirmung nach Anspruch 17, dadurch gekennzeichnet, dass die auf der Innenseite (23) liegende Wand (24) aus µm-Metall besteht oder eine solche Materialschicht aufweist.
- Abschirmung nach einem der Ansprüche 14 - 18, dadurch gekennzeichnet, dass auf der Innenseite (23) eine erste, mehrschichtige Wand (24) und auf der Aussenseite (25) eine zweite Wand (26) vorhanden ist, die aus einer einzigen Materialschicht besteht, beispielsweise aus Aluminium, bzw. aus einer Aluminiumlegierung.
- Abschirmung nach einem der Ansprüche 14 - 19, dadurch gekennzeichnet, dass im Zwischenraum (27) zwischen zwei Wänden (24, 26) Profile (28) einer Tragkonstruktion angeordnet sind, welche der Abschirmung (3, 19) statische Stabilität verleiht.
- Abschirmung nach Anspruch 20, dadurch gekennzeichnet, dass die Profile (28) aus einem Material bestehen, das die elektrische Isolierung zwischen den Wänden (24, 26) nicht beeinträchtigt, z.B. eloxiertes Aluminium.
- Abschirmung nach einem der Ansprüche 1 - 21, dadurch gekennzeichnet dass die Wandteile (14, 15, 16, 17) streifenförmig ausgebildet sind und eine Wandbreite (18) von 80 - 120 cm, vorzugsweise 100 cm, aufweisen.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CH12162001 | 2001-07-03 | ||
| CH01216/01A CH695643A5 (de) | 2001-07-03 | 2001-07-03 | Abschirmung zur Aufnahme mindestens eines eine nichtionisierende Strahlung oder ein nichtionisierendes Feld erzeugenden Objektes. |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP1274103A1 true EP1274103A1 (de) | 2003-01-08 |
| EP1274103B1 EP1274103B1 (de) | 2006-03-22 |
Family
ID=4563455
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP02012797A Expired - Lifetime EP1274103B1 (de) | 2001-07-03 | 2002-06-10 | Abschirmung zur Aufnahme mindestens eines eine nichtionisierende Strahlung oder ein nichtionisierendes Feld erzeugenden Objektes |
Country Status (4)
| Country | Link |
|---|---|
| EP (1) | EP1274103B1 (de) |
| AT (1) | ATE321348T1 (de) |
| CH (1) | CH695643A5 (de) |
| DE (1) | DE50206113D1 (de) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2007134673A3 (de) * | 2006-05-24 | 2008-02-14 | Nkt Cables Gmbh | Behälter zur schirmung von magnetfeldern niedriger frequenz |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2514583A1 (de) * | 1974-04-12 | 1975-10-30 | Siemens Ag | Abschirmgehaeuse |
| JPH04158505A (ja) * | 1990-10-23 | 1992-06-01 | Toshiba Corp | リアクトル装置 |
| FR2759488A1 (fr) * | 1997-02-07 | 1998-08-14 | Hitachi Ltd | Dispositif de protection contre les courants de foucault et transformateur triphase |
-
2001
- 2001-07-03 CH CH01216/01A patent/CH695643A5/de not_active IP Right Cessation
-
2002
- 2002-06-10 EP EP02012797A patent/EP1274103B1/de not_active Expired - Lifetime
- 2002-06-10 AT AT02012797T patent/ATE321348T1/de not_active IP Right Cessation
- 2002-06-10 DE DE50206113T patent/DE50206113D1/de not_active Expired - Lifetime
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2514583A1 (de) * | 1974-04-12 | 1975-10-30 | Siemens Ag | Abschirmgehaeuse |
| JPH04158505A (ja) * | 1990-10-23 | 1992-06-01 | Toshiba Corp | リアクトル装置 |
| FR2759488A1 (fr) * | 1997-02-07 | 1998-08-14 | Hitachi Ltd | Dispositif de protection contre les courants de foucault et transformateur triphase |
Non-Patent Citations (1)
| Title |
|---|
| PATENT ABSTRACTS OF JAPAN vol. 016, no. 447 (E - 1266) 17 September 1992 (1992-09-17) * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2007134673A3 (de) * | 2006-05-24 | 2008-02-14 | Nkt Cables Gmbh | Behälter zur schirmung von magnetfeldern niedriger frequenz |
Also Published As
| Publication number | Publication date |
|---|---|
| ATE321348T1 (de) | 2006-04-15 |
| CH695643A5 (de) | 2006-07-14 |
| DE50206113D1 (de) | 2006-05-11 |
| EP1274103B1 (de) | 2006-03-22 |
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