AT73996B - Device for regulating electric motors, in particular for driving hoisting machines. - Google Patents

Device for regulating electric motors, in particular for driving hoisting machines.

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Publication number
AT73996B
AT73996B AT73996DA AT73996B AT 73996 B AT73996 B AT 73996B AT 73996D A AT73996D A AT 73996DA AT 73996 B AT73996 B AT 73996B
Authority
AT
Austria
Prior art keywords
electric motors
winding
hoisting machines
regulating electric
driving hoisting
Prior art date
Application number
Other languages
German (de)
Original Assignee
Aeg Union Elek Wien
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 Union Elek Wien filed Critical Aeg Union Elek Wien
Application granted granted Critical
Publication of AT73996B publication Critical patent/AT73996B/en

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  • Control Of Electric Motors In General (AREA)

Description

  

   <Desc/Clms Page number 1> 
 
 EMI1.1 
 
 EMI1.2 
 
 EMI1.3 
 

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 sind in beliebiger Weise, z. B. starr miteinander verbunden. Die Hilfswicklung o ist in solchem Sinne geschaltet, dass sie die Hauptwicklung b unterstützt, und der    Regler I ist'so   angeordnet, dass die durch die   Hi1fswicklung   c verursachte Magnetisierung abnimmt, während die Magnetisierung der   Anlassmaschine durch   die Feldwicklung a wächst. Der Regler f dient beispielsweise dazu, einen der Wicklung c vorgeschalteten Widerstand stufenweise zu vergrössern (Fig. 1) oder die Windungszahl der Hilfsmaschine c stufenweise zu verringern (Fig. 2). 



   Bei dem Ausführungsbeispiel der Fig. 3 ist die hier mit c'bezeichnete Hilfswicklung des Motors entgegengesetzt der Hauptfeldwicklung b geschaltet. In diesem Falle muss die durch die   Hi1fswickhmg   c'verursachte Gegenmagnetisierung des Motors gleichzeitig mit der Magnetisierung der Anlassmaschine   9   durch die Feldwicklung a wachsen. Man kann daher in diesem Falle unter Fortfall jedes besonderen Reglers für die Hilfsfeldwicklung letztere mit der Feldwicklung a der   Anlassmaschine einfach zusammenschalten,   sei es in Reihe, wie Fig. 2 zeigt, oder parallel. Es darf nicht übersehen werden, dass diese Anordnung mehr Feldkupfer erfordert und grössere Erregerverluste aufweist als die Anordnungen nach Fig. 1 und 2. 



   Selbstverständlich können die einzelnen Anordnungen auch vereinigt werden. So kann man   insbesondere   die Einrichtung auch so treffen, dass die Hilfsfeldwicklung des Motors anfänglich die Hauptfeldwicklung b unterstützt und später ihr entgegenwirkt. In diesem Falle 
 EMI2.1 
 während der zweiten Hälfte wieder vermehrt. 



   PATENT-ANSPRÜCHE :
1. Einrichtung zur Regelung von   Elektrorr-agneten, insbesondere für   den Antrieb von Fördermaschinen, durch Änderung der dem Anker zugeführten Spannung unter Verstärkung des Magnetfeldes für niedrige Ankergeschwindigkeiten, dadurch gekennzeichnet, dass der Motor ausser der von einer konstanten Stromquelle gespeisten Hauptfeldwicklung eine ebenfalls von einer konstanten Stromquelle erregte   Hilisfeldwicklung   besitzt, die gleichzeitig mit der Feldwicklung der Anlassmaschine aber unabhängig von der Grösse der Last geregelt wird. 
 EMI2.2 




   <Desc / Clms Page number 1>
 
 EMI1.1
 
 EMI1.2
 
 EMI1.3
 

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 are in any way, e.g. B. rigidly connected to each other. The auxiliary winding o is connected in such a way that it supports the main winding b, and the regulator I is arranged in such a way that the magnetization caused by the auxiliary winding c decreases, while the magnetization of the starting machine through the field winding a increases. The controller f is used, for example, to gradually increase a resistor connected upstream of the winding c (FIG. 1) or to gradually reduce the number of turns of the auxiliary machine c (FIG. 2).



   In the exemplary embodiment in FIG. 3, the auxiliary winding of the motor, denoted here by c ', is connected opposite to the main field winding b. In this case, the counter-magnetization of the motor caused by the auxiliary winding c ′ must increase simultaneously with the magnetization of the starting machine 9 by the field winding a. In this case, therefore, with the omission of any special regulator for the auxiliary field winding, the latter can simply be connected to the field winding a of the starting machine, be it in series, as FIG. 2 shows, or in parallel. It should not be overlooked that this arrangement requires more field copper and has greater excitation losses than the arrangements according to FIGS. 1 and 2.



   Of course, the individual arrangements can also be combined. In particular, the device can also be designed in such a way that the auxiliary field winding of the motor initially supports the main field winding b and later counteracts it. In this case
 EMI2.1
 increased again during the second half.



   PATENT CLAIMS:
1. A device for the control of Elektrorr-agneten, in particular for the drive of hoisting machines, by changing the voltage supplied to the armature with amplification of the magnetic field for low armature speeds, characterized in that the motor in addition to the main field winding fed by a constant power source also from a constant current source excited Hilisfeld winding, which is regulated simultaneously with the field winding of the starting machine but regardless of the size of the load.
 EMI2.2


 

Claims (1)

mit dem Feldregler der Anlassmaschine mechanisch verbundenen Regler während des Auslegeng des ersteren verringert wird (Fig. 1 und 2). controller mechanically connected to the field controller of the starting machine is reduced during the interpretation of the former (Figs. 1 and 2). 3. Einrichtung nach Anspruch l, dadurch gekennzeichnet, dass die Hilfsfeldwicklung der EMI2.3 3. Device according to claim l, characterized in that the auxiliary field winding of the EMI2.3
AT73996D 1914-01-24 1915-01-18 Device for regulating electric motors, in particular for driving hoisting machines. AT73996B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE73996X 1914-01-24

Publications (1)

Publication Number Publication Date
AT73996B true AT73996B (en) 1917-11-10

Family

ID=5636635

Family Applications (1)

Application Number Title Priority Date Filing Date
AT73996D AT73996B (en) 1914-01-24 1915-01-18 Device for regulating electric motors, in particular for driving hoisting machines.

Country Status (1)

Country Link
AT (1) AT73996B (en)

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