AT203741B - Device for maintaining predetermined ratios between the currents in consumers or conductors connected to the same AC voltage source, in particular the electrode leads of AC electric ovens - Google Patents
Device for maintaining predetermined ratios between the currents in consumers or conductors connected to the same AC voltage source, in particular the electrode leads of AC electric ovensInfo
- Publication number
- AT203741B AT203741B AT639156A AT639156A AT203741B AT 203741 B AT203741 B AT 203741B AT 639156 A AT639156 A AT 639156A AT 639156 A AT639156 A AT 639156A AT 203741 B AT203741 B AT 203741B
- Authority
- AT
- Austria
- Prior art keywords
- conductors
- same
- currents
- consumers
- voltage source
- Prior art date
Links
Landscapes
- General Induction Heating (AREA)
Description
<Desc/Clms Page number 1>
Einrichtung zur Aufrechterhaltung vorgegebener Verhältnisse zwischen den Strömen in an die selbe Wechselspannungsquelle angeschlossenen Verbrauchern bzw. Leitern, insbesondere den Elektrodenzuleitungen von Wechselstromelektroöfen
Die Erfindung bezieht sich auf das Patent Nr. 199382. das eine Einrichtung zur Aufrechterhaltung vor- gegebener Verhältnisse zwischen den Strömen in an die selbe Wechselspannungsquelle angeschlossenen Ver- brauchembzw. Leitern, insbesondere den Elektrodenzuleitungen von Wechselstromelektroöfen mit Indue- tivitäten zum Gegenstand hat, welche wenigstens je zwei aus mindestens einem Leiter bestehende Leitergruppen magnetisch koppeln und in welcher wenigstens zwei solche Induktivitäten einen gemeinsamen.
Eisenkem aufweisen, der für jedes mit BiLle dieser letzerwähnten Induktivitäten zu koppelnde Paar von Leitern bzw. Leitergruppen mit einem Fenster versehen ist.
Wenn ein gemeinsamer Kein für alle Leiter je Phase oder alle Leiter für sämtliche Phasen benutzt wird, so werden sich die zwischen den Leitern induzierten Spannungen von einem von der Kupplung abhängigen Symmetriepunkt her addieren. Dies bewirkt, dass der Eisenkern grösser dimensioniert werden muss und an Gewicht mehr zunimmt als der erhöhten Anzahl an Leitern entspricht.
Dies ist besonders da merkbar, wo viele Leiter in zwei oder mehreren Ebenen angeordnet sind und wo
EMI1.1
Der Ausgleich zwischen den einzelnen Leitern der Gruppe wird entsprechend dem Patent Nr. 199382 ausgeführt.
Eine beispielsweise Ausführungsform der Erfindung ist in der Zeichnung dargestellt, in der Fig. l schematisch die Anordnung der Leiter einer Phase und Fig. 2 in kleinerem Massstab schematisch die Anordnung der drei Phasen, zeigt.
Bei diesem Ausführungsbeispiel sind zwanzig Kabel je Phase in zwei parallelen, vertikalen Ebenen mit zehn Kabeln in jeder Ebene vorgesehen. Die Kabel der in Fig. 1 gezeigten Phase sind mit 1, 2, 3,.. 20 bezeichnet. Zwischen den Leitungen in den genannten Ebenen wird eine Spannung von den übrigen Phasen
EMI1.2
werden. wice 1m HauptpatentTransformator.
Wie aus dem Beispiel hervorgeht, hat die zwischen den beiden Ebenen auftretende Spannung auf den Eisenkern 21 keine Wirkung.
Dies bedeutet, dass der Eisenkern 21 bedeutend kleiner ausfällt, als wenn er die zwischen den beiden
EMI1.3
<Desc/Clms Page number 2>
dieses Kerns übertrifft das Gewicht des Kerns 22, so dass das Gesamtgewicht verringert wird.
<Desc / Clms Page number 1>
Device for maintaining predetermined ratios between the currents in consumers or conductors connected to the same AC voltage source, in particular the electrode leads of AC electric ovens
The invention relates to patent no. 199382, which contains a device for maintaining given relationships between the currents in consumption and / or power consumption connected to the same AC voltage source. Conductors, in particular the electrode leads of AC electric furnaces with inductivities, which magnetically couple at least two conductor groups consisting of at least one conductor and in which at least two such inductors have a common one.
Have iron core which is provided with a window for each pair of conductors or groups of conductors to be coupled with these last-mentioned inductances.
If a common none is used for all conductors per phase or all conductors for all phases, the voltages induced between the conductors will add up from a point of symmetry that is dependent on the coupling. This has the effect that the iron core has to be dimensioned larger and its weight increases more than corresponds to the increased number of conductors.
This is particularly noticeable where and where many conductors are arranged in two or more levels
EMI1.1
The balancing between the individual conductors of the group is carried out according to patent no. 199382.
An exemplary embodiment of the invention is shown in the drawing, in which Fig. 1 shows schematically the arrangement of the conductors of one phase and Fig. 2 shows the arrangement of the three phases on a smaller scale.
In this embodiment, twenty cables per phase are provided in two parallel, vertical planes with ten cables in each plane. The cables of the phase shown in FIG. 1 are labeled 1, 2, 3, ... 20. A voltage from the remaining phases is generated between the lines in the levels mentioned
EMI1.2
will. wice 1m main patent transformer.
As can be seen from the example, the tension occurring between the two planes has no effect on the iron core 21.
This means that the iron core 21 turns out to be significantly smaller than if it were between the two
EMI1.3
<Desc / Clms Page number 2>
this core exceeds the weight of the core 22, so that the overall weight is reduced.
Claims (1)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AT199382D AT199382B (en) | 1954-03-12 | 1955-03-12 | Device for maintaining specified relationships between the currents in conductors connected to the same voltage source in electrode feed lines for AC electric ovens |
NO203741X | 1955-10-25 |
Publications (1)
Publication Number | Publication Date |
---|---|
AT203741B true AT203741B (en) | 1959-06-10 |
Family
ID=25607680
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
AT639156A AT203741B (en) | 1955-03-12 | 1956-10-25 | Device for maintaining predetermined ratios between the currents in consumers or conductors connected to the same AC voltage source, in particular the electrode leads of AC electric ovens |
Country Status (1)
Country | Link |
---|---|
AT (1) | AT203741B (en) |
-
1956
- 1956-10-25 AT AT639156A patent/AT203741B/en active
Similar Documents
Publication | Publication Date | Title |
---|---|---|
DE2411246B2 (en) | THREE-PHASE TRANSFORMER | |
DE386561C (en) | Machine for the conversion or for the simultaneous generation of alternating currents of different frequencies | |
DE344726C (en) | Rotating rectifier arrangement with reactance coil in the rectifier circuits | |
AT203741B (en) | Device for maintaining predetermined ratios between the currents in consumers or conductors connected to the same AC voltage source, in particular the electrode leads of AC electric ovens | |
AT107798B (en) | Transformer winding for high currents. | |
DE583983C (en) | Transformer with three or a larger odd number of wound legs lying next to each other for converting single-phase current into single-phase current | |
DE408370C (en) | Chained multi-phase power transmission system | |
DE419081C (en) | Inductor for high voltages, especially for X-ray operation | |
AT131499B (en) | Static alternating current transformer for economical operation at low loads. | |
DE468684C (en) | Winding for alternating current machines and transformers, consisting of a central conductor concentrically surrounding tubular conductors, which are all insulated from each other | |
DE534702C (en) | Device for converting alternating current into high-voltage direct current, which consists of several similar, interconnected, individual rectifiers forming members | |
DE653265C (en) | Thrust transformer | |
DE1149811B (en) | Transformer winding for high power and current | |
DE590553C (en) | Device for high-voltage transmission of alternating current energy between single or multi-phase circuits | |
DE971140C (en) | Connection of high-voltage transformers arranged in cascade | |
DE922721C (en) | Transformer set consisting of a regulating transformer, a main transformer and an additional transformer | |
CH397894A (en) | Device for heating workpieces, in particular by means of electrical currents | |
DE1037039B (en) | Induction furnace system with two coreless induction furnaces that can be optionally fed | |
DE609295C (en) | Transformer circuit for evenly distributing the power to metal vapor rectifiers working in parallel with six phases | |
AT231025B (en) | Balancing arrangement for three-phase arc furnaces | |
DE350873C (en) | Parallel connection of cathode rectifiers, with each rectifier being connected to a special transformer | |
DE871631C (en) | Single-phase transformer suitable for rail transport, very high voltage and power | |
DE693976C (en) | Control transformer with iron core divided into leg groups for continuous voltage regulation | |
DE595470C (en) | Transformer for converting three-phase current into multi-phase current for rectifier | |
AT111479B (en) | Frequency converter for setting the power that flows through one, two or more AC power plants (power slider). |