DE391157C - Frequency converter - Google Patents

Frequency converter

Info

Publication number
DE391157C
DE391157C DEA38931D DEA0038931D DE391157C DE 391157 C DE391157 C DE 391157C DE A38931 D DEA38931 D DE A38931D DE A0038931 D DEA0038931 D DE A0038931D DE 391157 C DE391157 C DE 391157C
Authority
DE
Germany
Prior art keywords
frequency converter
collector
possibility
slip rings
segments
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
Application number
DEA38931D
Other languages
German (de)
Inventor
Georg Halbach
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
AEG AG
Original Assignee
AEG AG
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
Application filed by AEG AG filed Critical AEG AG
Priority to DEA38931D priority Critical patent/DE391157C/en
Priority to AT100116D priority patent/AT100116B/en
Application granted granted Critical
Publication of DE391157C publication Critical patent/DE391157C/en
Expired legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02KDYNAMO-ELECTRIC MACHINES
    • H02K47/00Dynamo-electric converters
    • H02K47/18AC/AC converters
    • H02K47/22Single-armature frequency converters with or without phase-number conversion
    • H02K47/28Single-armature frequency converters with or without phase-number conversion operating as commutator machines with added slip-rings

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
  • Motor Or Generator Current Collectors (AREA)
  • Dc Machiner (AREA)

Description

Frequenzwandler: In der bekannten grundsätzlichen Anordnung des Frequenzwandlers zur Verbesserung des Leistungsfaktors von Asynchronmaschinen nach Abb. i ist die Wirkungsweise des Maschinensatzes wesentlich abhängig von der Größe des Winkels zwischen der im Läufer der Hauptmaschine erzeugten E. M: K. und der im Frequenzwandler induzierten E. M. K. Möglichkeit der Einstellung dieses Winkels nach Fertigstellung der Maschinen zur Anpassung an die jeweiligen Belastungsverhältnisse ist von großer Bedeutung; bei den bisher bekannten Einrichtungen ist dies jedoch immer mit mehr oder weniger großernSchwierigkeiten verbunden gewesen. Das Nächstliegende ist eine Verschiebung der Bürsten auf dem Stromwender des Frequenzwandlers E (Abb. i), was jedoch nur in engen Grenzen und nur so lange ohne weiteres möglich ist, als diese Maschine keine Wendepole besitzt. Ein anderes Mittel ist eine Verdrehung des ganzen Gehäuses, was aber stets zu teuren und schwerfälligen Konstruktionen führt. Eine weitere Möglichkeit besteht in der künstlichen Phasenverschiebung der den Schleifringen von E aufgedrückten Spannung durch Phasenmischung im Transformator T, wobei sich jedoch bei niedriger Spannung technische Schwierigkeiten ergeben. Schließlich könnte man die gewollte Verschiebung der beiden E. M. Ke. auch durch eine gegenseitige Verdrehung der Wellen von V und: E mittels einer entsprechenden Kuppelung erreichen. Auf dieser an sich bekannten Möglichkeit aufbauend, ist die vorliegende Erfindung entstanden. Insbesondere wenn der Frequenzwandler fliegend auf der Welle des Hauptmotors angeordnet werden soll, führt die Ausbildung einer verstellbaren Kuppelung zu großen konstruktiven Schwierigkeiten.Frequency converter: In the known basic arrangement of the frequency converter to improve the power factor of asynchronous machines according to Fig. i is the The mode of operation of the machine set depends largely on the size of the angle between the E. M: K. generated in the rotor of the main engine and that in the frequency converter induced E.M. K. possibility of adjusting this angle after completion of the machines to adapt to the respective load conditions is of great importance Meaning; with the previously known devices, however, this is always with more or less major difficulties. The obvious is one Shifting the brushes on the commutator of the frequency converter E (Fig. I) what but only within narrow limits and only as long as this is easily possible The machine has no reversing poles. Another remedy is to twist the whole thing Housing, which always leads to expensive and cumbersome constructions. One Another possibility is the artificial phase shift of the slip rings voltage imposed by E due to phase mixing in transformer T, whereby however, technical difficulties arise at low voltage. Finally could one the deliberate postponement of the two E. M. Ke. also through a mutual Rotation of the shafts of V and: E can be achieved by means of a corresponding coupling. The present invention is based on this possibility, which is known per se developed. Especially when the frequency converter is on the fly on the shaft of the main motor is to be arranged, the formation of an adjustable coupling leads to large constructive difficulties.

Gemäß der Erfindung wird nun eine Kuppelung vermieden und die angeführte Schwierigkeit trotzdem beseitigt.According to the invention, a coupling is now avoided and the one mentioned Difficulty resolved anyway.

Die Abb. 2 und 3 zeigen eine Ausführungsform der neuen Einrichtung. Die Schleifringe sind auf eine besondere Nabe i aufgesetzt, welche gegen eine fest mit der . Welle verkeilte Buchse 2 drehbar ist. Der Nabenflansch ist -mit Schrauben 3 versehen, die durch Langlöcher des Buchsenflansches greifen und eine Verdrehung des Schleifringkörpers je nach Länge dieser Schlitze zulassen, Die Ableitungsbolzen q. der Schleifringe erhalten an ihren Enden Gabeln 5, in denen je ein um den Punkt v drehbares Messer 6 gelagert ist. Wenn man nun beliebig viele Kommutatorsegmente 7 mit entsprechenden Schlitzen versieht, so kann man je nach Wahl die Messer an beliebige Segmente anschließen. Nach Einstellung des Satzes auf den erforderlichen Betriebszustand werden die Anschlüsse verlötet und die Stellschraube 8 angebracht.Figs. 2 and 3 show an embodiment of the new device. The slip rings are placed on a special hub i, which is fixed against a with the . Shaft keyed bushing 2 is rotatable. The hub flange is -with Screws 3, which engage through elongated holes in the socket flange and a twist of the slip ring assembly, depending on the length of these slots, allow the discharge bolts q. the slip rings have forks 5 at their ends, each one around the point v rotatable knife 6 is mounted. If you now have any number of commutator segments 7 is provided with appropriate slots, so you can switch on the knife depending on your choice connect any segments. After adjusting the rate to the required In the operating state, the connections are soldered and the adjusting screw 8 is attached.

Claims (1)

PATENT-ANSPRUcH: Frequenzwandler, dadurch gekennzeichnet, daß der Schleifringkörper mit den Ableitungsbolzen gegenüber dem Kollektor drehbar ist, so daB zur Einstellung der Spannungsphase die Ableitungsbolzen mit beliebigen Kollektorsegmenten verbunden werden können. PATENT CLAIM: Frequency converter, characterized in that the slip ring body with the discharge bolts can be rotated relative to the collector, so that the discharge bolts can be connected to any collector segments to set the voltage phase.
DEA38931D 1922-12-01 1922-12-01 Frequency converter Expired DE391157C (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
DEA38931D DE391157C (en) 1922-12-01 1922-12-01 Frequency converter
AT100116D AT100116B (en) 1922-12-01 1923-12-01 Asynchronous machine assembled with a frequency converter.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DEA38931D DE391157C (en) 1922-12-01 1922-12-01 Frequency converter

Publications (1)

Publication Number Publication Date
DE391157C true DE391157C (en) 1924-03-05

Family

ID=6931090

Family Applications (1)

Application Number Title Priority Date Filing Date
DEA38931D Expired DE391157C (en) 1922-12-01 1922-12-01 Frequency converter

Country Status (2)

Country Link
AT (1) AT100116B (en)
DE (1) DE391157C (en)

Also Published As

Publication number Publication date
AT100116B (en) 1925-06-10

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