AT8455B - Circuit arrangement for induction measuring devices for determining the work performance in three-phase systems. - Google Patents

Circuit arrangement for induction measuring devices for determining the work performance in three-phase systems.

Info

Publication number
AT8455B
AT8455B AT8455DA AT8455B AT 8455 B AT8455 B AT 8455B AT 8455D A AT8455D A AT 8455DA AT 8455 B AT8455 B AT 8455B
Authority
AT
Austria
Prior art keywords
determining
circuit arrangement
measuring devices
work performance
phase systems
Prior art date
Application number
Other languages
German (de)
Original Assignee
Oesterreichische Schuckert Wer
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
Priority claimed from AT6524D external-priority patent/AT6524B/de
Application filed by Oesterreichische Schuckert Wer filed Critical Oesterreichische Schuckert Wer
Application granted granted Critical
Publication of AT8455B publication Critical patent/AT8455B/en

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  • Measuring Instrument Details And Bridges, And Automatic Balancing Devices (AREA)

Description

  

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  Schaltungsanordnung für   Inductionsmessgeräthe   zur Bestimmung der Arbeitsleistung in Dreiphasenanlagen. 
 EMI1.1 
   halber, überhaupt   nicht   möglich, und auch   bei kleinen Stromstärken ist sie unbequem und zu grob. 



   Nach vorliegender Erfindung wird eine sehr bequeme und sehr feine Regelung der Zugkräfte der Hauptstromspulen bei dem Messgoräth nach   dem Usterr.   Patent Nr. 6524   dadurch erxiett,   dass man durch die   Hauptstromspulen   in benachbarten Spulen, Metall-   schirmen   oder dergl. secundäre Ströme inducieren lässt, welche durch ihre entmagnetisierende Wirkung die Wirkung der Hau0ptstromspulen etwas herabdrücken.

   Dabei können mit gleich gutem Erfolg entweder   Ideine Spulen innerhalb   oder in der   Nähe   der Hauptstrom-   sputen fest angeordnet   sein, welche durch regelbare Widerstände geschlossen werden, oder es   können   kleine Spulen oder massive Metallstücke, in welchen Secundärströme attftreten, innerhalb oder in der Nähe der   lIauptstromspuJen verstelba. r   angeordnet sein, so dass 
 EMI1.2 
   Methode am besten.   



   In jede der drei Hauptstromspulen wird eine Spule (Probespule) hineingesteckt und 
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 Nebenschlusstrom erzeugten Magnetfelder und nicht diejenige der die Magnetfelder erzeugenden Ströme ; es ist dies insofern ein Vortheil, als die Lage der wirksamen Magnetfelder und nicht diejenige der sie erzeugenden Ströme das Massgebende ist, wenn beide nach ihrer Phase nicht übereinstimmen.



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  Circuit arrangement for induction measuring devices for determining the work performance in three-phase systems.
 EMI1.1
   sake, not at all possible, and even with small currents it is uncomfortable and too coarse.



   According to the present invention, a very convenient and very fine regulation of the tensile forces of the main current coils in the measuring device according to the Usterr. Patent No. 6524 is exited by allowing secondary currents to be induced by the main current coils in neighboring coils, metal shields or the like, which, through their demagnetizing effect, reduce the effect of the main current coils somewhat.

   With equal success, either coils inside or near the main power supply lines, which are closed by controllable resistors, can be fixed, or small coils or massive pieces of metal, in which secondary currents occur, within or near the main power supply lines Verstelba. r be arranged so that
 EMI1.2
   Method best.



   A coil (test coil) is inserted into each of the three main current coils and
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 EMI2.1
 
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 Magnetic fields generated by the shunt current and not that of the magnetic field generating currents; This is an advantage insofar as the position of the effective magnetic fields and not that of the currents which generate them is decisive if the two do not correspond in terms of their phase.

Claims (1)

PATENT-ANSPRUCH : Eine Ausführungsform des Messgeräthes für Dreiphasenstrom nach dem Oesterr Patent Nr. 6524, dadurch gekennzeichnet, dass die zum Zwecke der Correction einer Phasenverschiebung dienlichen bekannten Einrichtungen, bestehend in der Anordnung von Metallschirmen oder kurzgeschlossenen Wicklungen innerhalb oder in der Nähe der Hauptstromspulen, in einer oder mehreren Hauptstromspulen des Messgoräthes vorhanden EMI3.1 PATENT CLAIM: An embodiment of the measuring device for three-phase current according to Oesterr Patent No. 6524, characterized in that the known devices serving the purpose of correcting a phase shift, consisting in the arrangement of metal screens or short-circuited windings within or near the main current coils, in one or more Main current coils of the measuring device available EMI3.1
AT8455D 1900-06-23 1900-06-23 Circuit arrangement for induction measuring devices for determining the work performance in three-phase systems. AT8455B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
AT6524D AT6524B (en) 1898-12-24
AT8455T 1900-06-23

Publications (1)

Publication Number Publication Date
AT8455B true AT8455B (en) 1902-07-25

Family

ID=25593466

Family Applications (1)

Application Number Title Priority Date Filing Date
AT8455D AT8455B (en) 1900-06-23 1900-06-23 Circuit arrangement for induction measuring devices for determining the work performance in three-phase systems.

Country Status (1)

Country Link
AT (1) AT8455B (en)

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