AT95129B - Device for balancing the torques of the individual systems of multi-phase alternating current meters. - Google Patents
Device for balancing the torques of the individual systems of multi-phase alternating current meters.Info
- Publication number
- AT95129B AT95129B AT95129DA AT95129B AT 95129 B AT95129 B AT 95129B AT 95129D A AT95129D A AT 95129DA AT 95129 B AT95129 B AT 95129B
- Authority
- AT
- Austria
- Prior art keywords
- torques
- alternating current
- balancing
- individual systems
- phase alternating
- Prior art date
Links
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 10
- 229910052742 iron Inorganic materials 0.000 description 5
- 230000000694 effects Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
Landscapes
- Control Of Electrical Variables (AREA)
Description
<Desc/Clms Page number 1>
Einrichtung zur Abgleichung der Drehmomente der einzelnen Systeme von
Mehrphasenwechselstromzählern.
Bekanntlich ist es bei Eichung von Elektrizitätszählern für Wechselstrom, die mehrere Systeme besitzen, welche z. B. für Zähler, die den Wirk-und Blindverbrauch in Drehstromnetzen messen, notwendig, die Drehmomente der einzelnen Systeme eines derartigen Zählers so abzugleichen, dass sie bei gleicher Belastung je das gleiche Drehmoment und damit die gleiche Tourenzahl zeigen. Dies ist deshalb notwendig, weil die auf eine Scheibe und auf ein gemeinsames Zählwerk wirkenden Systeme mit der gleichen Konstante zur Registrierung herangezogen werden müssen. Im allgemeinen kann diese Abgleichung auf zweierlei Weise geschehen, nämlich dadurch, dass man die die Scheibe durchsetzenden Flüsse entweder des Haupt-oder des Nebensehlussfeldes entsprechend verändert.
Die vorliegende Erfindung erreicht eine sehr genaue Ahgleichung dadurch, dass am Rüekschluss- bügel des Spannungseisens. eine Eisenschraube arg@ordnet ist, welche einen regelbaren, magnetischen Nebenschluss des Spannungseisens bildet. Wenn man bei dieser Anordnung auch eine Veränderung des magnetischen Widerstandes des Nebenschlusseisens und dadurch der Feldverschiebung in Kauf nehmen muss, so sind doch diese Einwirkungen go gering, dass sie bei der Eichung nicht ins Gewicht fallen, òder aber doch durch die ohnedies am Zähler vorhandenen Regulierungen aufgehoben werden können, wie z. B. durch entsprechende Wahl der Reihenfolge der Einstellungen des Zählers.
Auf der Zeichnung ist eine beispielsweise Ausführungsform zur Darstellung gebracht. Es ist mit 3 das sich drehende System bezeichnet. 1 ist da, Spannungseisen, 2 dessen magnetischer Nebenschluss. Durch die Schraube 4 wird zu diesem Nebenschluss ein zweiter regelbarer Nebenschluss gebildet.
An Stelle der Schraube kann auch irgendeine andere dem magnetischen Nebensehluss veränderte Einrichtung angewendet werden.
**WARNUNG** Ende DESC Feld kannt Anfang CLMS uberlappen**.
<Desc / Clms Page number 1>
Device for adjusting the torques of the individual systems of
Multi-phase alternating current meters.
As is known, it is in the calibration of electricity meters for alternating current that have several systems which, for. B. for meters that measure the active and reactive consumption in three-phase networks, it is necessary to adjust the torques of the individual systems of such a meter so that they each show the same torque and thus the same number of revolutions with the same load. This is necessary because the systems that act on a disk and on a common counter must be used with the same constant for registration. In general, this adjustment can be done in two ways, namely by changing the flows through the disk of either the main or the secondary fault field.
The present invention achieves a very precise equation in that the tension iron is attached to the back yoke. an iron screw arg @ is arranged, which forms an adjustable, magnetic shunt of the tension iron. Even if you have to accept a change in the magnetic resistance of the shunt iron and thus the field shift with this arrangement, these effects are still small, so that they are irrelevant for the calibration, or because of the regulations already present on the meter can be canceled, such as B. by appropriate choice of the order of the settings of the counter.
An example embodiment is shown in the drawing. It is indicated with 3 the rotating system. 1 is there, tension iron, 2 its magnetic shunt. The screw 4 forms a second controllable shunt for this shunt.
Instead of the screw, any other device modified in relation to the magnetic minor error can also be used.
** WARNING ** End of DESC field may overlap beginning of CLMS **.
Claims (1)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| AT95129T | 1922-12-20 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| AT95129B true AT95129B (en) | 1923-12-10 |
Family
ID=3614814
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| AT95129D AT95129B (en) | 1922-12-20 | 1922-12-20 | Device for balancing the torques of the individual systems of multi-phase alternating current meters. |
Country Status (1)
| Country | Link |
|---|---|
| AT (1) | AT95129B (en) |
-
1922
- 1922-12-20 AT AT95129D patent/AT95129B/en active
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