DE2918361C2 - AC magnet arrangement for generating a floating position of stabilizing repulsive forces for bodies made of non-ferromagnetic material - Google Patents
AC magnet arrangement for generating a floating position of stabilizing repulsive forces for bodies made of non-ferromagnetic materialInfo
- Publication number
- DE2918361C2 DE2918361C2 DE19792918361 DE2918361A DE2918361C2 DE 2918361 C2 DE2918361 C2 DE 2918361C2 DE 19792918361 DE19792918361 DE 19792918361 DE 2918361 A DE2918361 A DE 2918361A DE 2918361 C2 DE2918361 C2 DE 2918361C2
- Authority
- DE
- Germany
- Prior art keywords
- copper
- floating position
- stabilizing
- magnet arrangement
- generating
- 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
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F7/00—Magnets
- H01F7/06—Electromagnets; Actuators including electromagnets
- H01F7/20—Electromagnets; Actuators including electromagnets without armatures
Landscapes
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Control Of Vehicles With Linear Motors And Vehicles That Are Magnetically Levitated (AREA)
- Current-Collector Devices For Electrically Propelled Vehicles (AREA)
Description
Die Erfindung betrifft eine Wechstlstrommagnetanordnung zur Erzeugung eine Schwebelage stabilisierender Abstoßungskräfte für Körper aus nichtferromagnetischem Werkstoff, bei dem von einem Wechselstrom in entgegengesetzter Richtung durchflossenen Nebeneinanderstellen, bei dem deren Wicklungen so parallel oder in Reihe geschaltet sind, daß jeweils der Fluß im mittleren Schenkel einer Dreischenkel-Drosselspule die Sun·Λΐε der Flüsse in den äußeren Schenkeln darstellt und bei dem der Körper die von den Dreischenkel-Drosselspulen gebildeten 6 Magnetpole wenigstens zum Teil überdeckt.The invention relates to an AC magnet arrangement to generate a floating layer of stabilizing repulsive forces for non-ferromagnetic bodies Material in which an alternating current flows in the opposite direction next to each other, in which the windings are connected in parallel or in series that the flux in each case middle leg of a three-leg choke coil which represents the Sun · Λΐε of the fluxes in the outer legs and in which the body has the 6 magnetic poles formed by the three-legged choke coils at least for Part covered.
Eine derartige Wechselstrommagnetanordnung ist aus der Hauptanmeldung (DE-OS 21 08 305) und aus einer Zusatzanmeldung (DE-OS 24 22 083) bekannt. Bei den bekannten Anordnungen besteht der in Schwebelage zu stabiliserende Körper vornehmlich aus Aluminium oder aus einer Aluminiumlegierung.Such an alternating current magnet arrangement is from the main application (DE-OS 21 08 305) and from an additional application (DE-OS 24 22 083) is known. In the known arrangements, there is a floating position Body to be stabilized primarily made of aluminum or an aluminum alloy.
Der Erfindung liegt die Aufgabe zugrunde, bei einer Wechselstrommagnetanordnung der genannten Art die Schwebehöhe des zu stabilisierenden Körpers zu erhöhen und zugleich die Primärleistung der Fahrbahnmagnete herabzusetzen.The invention is based on the object in an alternating current magnet arrangement of the type mentioned To increase the floating height of the body to be stabilized and at the same time the primary power of the roadway magnets to belittle.
(D(D
Darin bedeuten /c und /ai die induzierten Ströme im Kupfer bzw. Aluminium und Rm und /?cu die spezifischen Widerstände der beiden Metalle. Gleichung (1) setzt voraus, daß die im Kupfer und Aluminium induzierte Spannung die gleiche ist Das ist bei durch den erhöhten Wirbelstrom bei Kupfer hervorgerufenen größeren Schwebehöhe der Fall. Der größere Sekundärstrom erhöht Antriebskraft und seitliche Stabilisierungskraft, aber auch die Verluste im Verhältnis Rm/Rcu- In this, / c and / ai mean the induced currents in the copper and aluminum and Rm and /? C u the specific resistances of the two metals. Equation (1) assumes that the voltage induced in the copper and aluminum is the same. This is the case with the higher levitation height caused by the increased eddy current in copper. The larger secondary current increases the driving force and lateral stabilizing force, but also the losses in the ratio Rm / Rcu-
Infolgedessen ist es möglich, die Primärleistung der Fahrbahnmagnete ebenfalls im Verhältnis RcJRai herabzusetzen, um die gleichen Betriebsverhältnisse wie beim Aluminium zu erhalten. Das bedeutet eine Ersparnis an Investitions- und Betriebskosten, die etwa im gleichen Verhältnis liegen. Lediglich die Verluste im Fahrzeug bleiben die gleichen, sind aber gegenüber denen auf der Fahrbahn klein. Die Kühlung erfolgt teils durch den Fahrwind, teils durch eine Kühlanlage, die von Sekundärwicklungen im Boden des Fahrzeugs gespeist wird.As a result, it is possible to reduce the primary power of the roadway magnets also in the ratio RcJRai in order to obtain the same operating conditions as with aluminum. This means savings in investment and operating costs that are roughly in the same ratio. Only the losses in the vehicle remain the same, but are small compared to those on the road. The cooling is done partly by the driving wind, partly by a cooling system that is fed by secondary windings in the floor of the vehicle.
Claims (1)
Es istIf the float is consequently made of copper or a copper alloy with its side edges instead of aluminum, a smaller base thickness is sufficient to prevent the primary magnetic field from penetrating to the surface.This is necessary for the iron vehicle known as the float to be transported are kana Furthermore, with the same field strength of the primary magnets on the roadway, the levitation height doubles. The secondary current induced in copper increases compared to that in aluminum in inverse proportion to the specific resistances of the two metals.
It is
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19792918361 DE2918361C2 (en) | 1979-05-07 | 1979-05-07 | AC magnet arrangement for generating a floating position of stabilizing repulsive forces for bodies made of non-ferromagnetic material |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19792918361 DE2918361C2 (en) | 1979-05-07 | 1979-05-07 | AC magnet arrangement for generating a floating position of stabilizing repulsive forces for bodies made of non-ferromagnetic material |
Publications (2)
Publication Number | Publication Date |
---|---|
DE2918361A1 DE2918361A1 (en) | 1980-11-13 |
DE2918361C2 true DE2918361C2 (en) | 1983-12-22 |
Family
ID=6070127
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE19792918361 Expired DE2918361C2 (en) | 1979-05-07 | 1979-05-07 | AC magnet arrangement for generating a floating position of stabilizing repulsive forces for bodies made of non-ferromagnetic material |
Country Status (1)
Country | Link |
---|---|
DE (1) | DE2918361C2 (en) |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2108305C3 (en) * | 1971-02-18 | 1979-09-06 | Paul Dr.-Ing. 1000 Berlin Hochhaeusler | AC magnet arrangement for generating a floating position of stabilizing repulsive forces for bodies made of non-ferromagnetic material |
DE2422083C3 (en) * | 1974-05-02 | 1980-03-13 | Paul Dr.-Ing. 1000 Berlin Hochhaeusler | AC magnet arrangement for generating a floating position of stabilizing repulsive forces for bodies made of non-ferromagnetic material |
-
1979
- 1979-05-07 DE DE19792918361 patent/DE2918361C2/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
DE2918361A1 (en) | 1980-11-13 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
OD | Request for examination | ||
8162 | Independent application | ||
8161 | Application of addition to: |
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AF | Is addition to no. |
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D2 | Grant after examination | ||
8364 | No opposition during term of opposition | ||
8340 | Patent of addition ceased/non-payment of fee of main patent |