DE447012C - Period converter for coupling two alternating current networks with different number of periods, consisting of an induction converter, a direct current machine coupled to it and a direct current / alternating current converter fed by the latter in a Leonard circuit - Google Patents
Period converter for coupling two alternating current networks with different number of periods, consisting of an induction converter, a direct current machine coupled to it and a direct current / alternating current converter fed by the latter in a Leonard circuitInfo
- Publication number
- DE447012C DE447012C DEA45253D DEA0045253D DE447012C DE 447012 C DE447012 C DE 447012C DE A45253 D DEA45253 D DE A45253D DE A0045253 D DEA0045253 D DE A0045253D DE 447012 C DE447012 C DE 447012C
- Authority
- DE
- Germany
- Prior art keywords
- converter
- direct current
- current
- alternating current
- periods
- 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
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K47/00—Dynamo-electric converters
- H02K47/18—AC/AC converters
- H02K47/22—Single-armature frequency converters with or without phase-number conversion
- H02K47/26—Single-armature frequency converters with or without phase-number conversion operating as under- or over-synchronously running asynchronous induction machines, e.g. cascade arrangement of asynchronous and synchronous machines
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Control Of Ac Motors In General (AREA)
Description
Periodenumformer zur Kupplung zweier Wechseistromnetze von verschiedener Periodenzahl, bestehend aus einem Induktionsumformer, einer mit diesem gekuppelten Gleichstrommaschine und einem von letzterer in Leonardschaltung gespeisten Gleichstrom-Wechselstromumformer. In dem Patent ¢¢3 o86 ist ein Induktionsumforrner für die Kupplung zweier Wechselstromnetze von verschiedenen Periodenzahlen angegeben. Auf der Welle des Induktionsumformers a (s. die Zeichnung) sitzt eine Gleichstrommaschine b, die durch die von einem mit ihr verbundenen Gleichstrom-Drehstromumformer c, d aufzunehmende oder letzterem aus dem Netz zuzuführende Schlupfenergie die Energieübertragung regelt. Bei der hierdurch erzielten sehr empfindlichen Pufferwirkung wird zur Vermeidung von überlastungen 'die Grunderregung so eingestellt, daß Überlastungen in der einen Richtung nicht zu erwarten sind, solche in der anderen Richtung dagegen durch einen Erregersatz, bestehend aus den Maschnen m, tz und o" unmöglich gemacht werden.Period converter for coupling two alternating current networks with different number of periods, consisting of an induction converter, a DC machine coupled to this and a DC / AC converter fed by the latter in a Leonard circuit. In the patent ¢¢ 3086 an induction converter for the coupling of two alternating current networks with different numbers of periods is specified. On the shaft of the induction converter a (see the drawing) sits a direct current machine b, which regulates the energy transfer through the slip energy to be absorbed by a direct current three-phase converter c, d connected to it or supplied to the latter from the network. With the very sensitive buffer effect achieved in this way, the basic excitation is set in such a way that overloads in one direction are not to be expected, but in the other direction by a set of exciters consisting of the machines m, tz and o "is impossible be made.
Schwanken die Frequenzen der beiden Netze sehr stark, so genügt eine derartige Einstellung der Grunderregung nicht, um eine überlastung nach beiden Richtungen mit Sicherheit zu vermeiden. Es sind vielmehr zwei derartige Erregersätze erforderlich, von denen der eine den Energiefluß von Netz I nach Netz II, der andere den Energiefluß von Netz II nach Netz I begrenzt.If the frequencies of the two networks fluctuate very strongly, one is sufficient Such a setting of the basic excitation does not avoid an overload in both directions to be avoided with certainty. Rather, two such sets of excitation are required, one of them the energy flow from network I to network II, the other the energy flow limited from network II to network I.
.Statt zweier Erregersätze genügt es jedoch erfindungsgemiäß, nur die Erregermaschine n zu verdoppeln.Instead of two sets of exciters, however, according to the invention it is sufficient only to double the exciter n.
Das Schaltbild unterscheidet sich nur dadurch
von
demjenigen des Hauptpatents 443o86, daß die Erregerniaschine o noch eine zweite
Erregerwicklung hat, die von einer zweiten Erregermaschine n' gespeist wird. Letztere
ist genau der Erregermaschine n gleich, nur in bezug auf das Gleichstromerregernetz
umgekehrt geschaltet. Während die EMK von n der Spannung e des letzteren Netzes
gleich und entgegengesetzt ist, wenn
Claims (1)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DEA45253D DE447012C (en) | 1925-06-17 | 1925-06-17 | Period converter for coupling two alternating current networks with different number of periods, consisting of an induction converter, a direct current machine coupled to it and a direct current / alternating current converter fed by the latter in a Leonard circuit |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DEA45253D DE447012C (en) | 1925-06-17 | 1925-06-17 | Period converter for coupling two alternating current networks with different number of periods, consisting of an induction converter, a direct current machine coupled to it and a direct current / alternating current converter fed by the latter in a Leonard circuit |
Publications (1)
Publication Number | Publication Date |
---|---|
DE447012C true DE447012C (en) | 1927-07-14 |
Family
ID=6934615
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DEA45253D Expired DE447012C (en) | 1925-06-17 | 1925-06-17 | Period converter for coupling two alternating current networks with different number of periods, consisting of an induction converter, a direct current machine coupled to it and a direct current / alternating current converter fed by the latter in a Leonard circuit |
Country Status (1)
Country | Link |
---|---|
DE (1) | DE447012C (en) |
-
1925
- 1925-06-17 DE DEA45253D patent/DE447012C/en not_active Expired
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