DE474677C - Arrangement for controlling electrical machines by means of electron tubes - Google Patents
Arrangement for controlling electrical machines by means of electron tubesInfo
- Publication number
- DE474677C DE474677C DES78484D DES0078484D DE474677C DE 474677 C DE474677 C DE 474677C DE S78484 D DES78484 D DE S78484D DE S0078484 D DES0078484 D DE S0078484D DE 474677 C DE474677 C DE 474677C
- Authority
- DE
- Germany
- Prior art keywords
- voltage
- arrangement
- electron tubes
- electrical machines
- controlling electrical
- 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
- H02P—CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
- H02P7/00—Arrangements for regulating or controlling the speed or torque of electric DC motors
- H02P7/06—Arrangements for regulating or controlling the speed or torque of electric DC motors for regulating or controlling an individual dc dynamo-electric motor by varying field or armature current
- H02P7/18—Arrangements for regulating or controlling the speed or torque of electric DC motors for regulating or controlling an individual dc dynamo-electric motor by varying field or armature current by master control with auxiliary power
- H02P7/24—Arrangements for regulating or controlling the speed or torque of electric DC motors for regulating or controlling an individual dc dynamo-electric motor by varying field or armature current by master control with auxiliary power using discharge tubes or semiconductor devices
- H02P7/26—Arrangements for regulating or controlling the speed or torque of electric DC motors for regulating or controlling an individual dc dynamo-electric motor by varying field or armature current by master control with auxiliary power using discharge tubes or semiconductor devices using discharge tubes
- H02P7/265—Arrangements for regulating or controlling the speed or torque of electric DC motors for regulating or controlling an individual dc dynamo-electric motor by varying field or armature current by master control with auxiliary power using discharge tubes or semiconductor devices using discharge tubes whereby the speed is regulated by measuring the motor speed and comparing it with a given physical value
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Control Of Eletrric Generators (AREA)
Description
Anordnung zur Regelung elektrischer Maschinen mittels Elektronenröhren Für die Regelung elektrischer Maschinen, beispielsweise für die Drehzahlregelung von Gleichstrommotoren,oder für die Spannungsregelung von Generatoren, verwendet man Anardnungen, bei denen in den Erregerstromkreis der zu regelnden Maschine entweder unmittelbar oder unter Zwischenschaltung von Hilfseinrichtungen Elektronenröhren eingeschaltet sind, die von der zu regelnden Größe gesteuert werden und ihrerseits wider das Erregerfeld beeinflussen. Im allgemeinen werden die Steuerelektroden nicht von der zu regelnden Größe direkt beeinflußt, sondern man benutzt eine Differenzschaltung und kompensiert den Normalwert durch Spannungen, so daß nur die Abweichungen vom Sollwert steuernd wirken. Man muß also bemüht sein, diese Differenzgröße, bezogen auf die Einheit der Abweichung vom Sollwert, möglichst groß zu bekommen.Arrangement for controlling electrical machines by means of electron tubes For controlling electrical machines, for example for speed control used by DC motors or for voltage regulation of generators one anardungen in which either in the excitation circuit of the machine to be controlled Electron tubes directly or with the interposition of auxiliary equipment are switched on, which are controlled by the variable to be controlled and in turn against affecting the excitation field. In general, the control electrodes are not directly influenced by the variable to be controlled, but a differential circuit is used and compensates for the normal value by tensions, so that only the deviations from Act controlling the setpoint. So one must try to relate this difference size on the unit of the deviation from the target value to get as large as possible.
Beispielsweise zeigt die Anordnung nach der Zeichnung einen im der Drehzahl zu regelnden Gleichstromnebenschlußmotor i, dessen Erregerwicklung 2 von einer Erregermaschine 3 gespeist wird. In den Stromkreis der Erregerwicklung 2 ist ein einstellbarer Widerstand ¢ eingeschaltet. Zu diesem Wide=rstand ist eine Elektronenröhre 5 parallel geschaltet, deren Gitter 6 über weitere Elektronenröhren 7 und 8 von einer mit dem Gleichstrommotor i gekuppelten Tachometerdynamo 9 erregt wird. Der Tachometerdynamo 9 ist in Gegenschaltung eine konstante Spannung in Form einer Batterie i o vorgeschaltet, so daß an der Steuerelektrode i i bzw. 6 nur die Differenzwirkung zwischen der Spannung der Tachometerdynamo 9 u=nd der Batterie i o zur Geltung kommt. Um in diesem Fall die Spannungsdifferenz der Tachometerdynamo in Abhängigkeit von der Drehzahl möglichst groß zu bekommen, ist man gezwungen, sie normal auf verhältnismäßig hohe Spannung arbeiten zu lassen., so daß man auch eine verhältnismäßig hohe Gegenspannung (z. B. Spannung der Batterie i o) benötigt.For example, the arrangement according to the drawing shows one in the Speed to be controlled direct current shunt motor i, the field winding 2 of an exciter 3 is fed. In the circuit of the excitation winding 2 is an adjustable resistor ¢ switched on. To this distance is an electron tube 5 connected in parallel, the grid 6 of which via further electron tubes 7 and 8 of a tachometer dynamo 9 coupled to the DC motor i is excited. Of the Tachometer dynamo 9 is, in counter-circuit, a constant voltage in the form of a battery i o connected upstream, so that only the differential effect at the control electrode i i or 6 between the voltage of the speedometer dynamo 9 and the battery i o comes into play. To in this case the voltage difference of the tachometer dynamo as a function of To get the speed as high as possible, one is forced to set it to normal on proportionately to let work high voltage. So that one also has a relatively high counter voltage (e.g. voltage of the battery i o) is required.
Um nun den Batteriebedarf einer Anordnung zur Regelung ,elektrischer Maschinen mittels Elektronenröhren so weit als möglich herabzudrücken, wird bei der Anordnung nach der Erfindung die Anodenspannung der verwendeten Elektronenröhren entweder von der konstanten Gittergegenspannung oder von der durch die zu regelnde Größe beeinflußten Gitterspannung geliefert. Bei dem gezeichneten Ausführungsbeispiel dient als Anodenspannung für die Röhren 7 und 8 die Spannung der Tachometerdynaxno 9. Man könnte aber ebensogut die Spannung der Batterie io hierfür verwenden. In diesem Fall müßten in der Gesamtschaltung die Tachometerdynamo 9 und die Batterie i o miteinander vertauscht werden. Ob die Spannung der Ta-chometerdynamo oder die Gittergegenspannung zu benutzen ist, ergibt sich ass der jeweiligen Schaltanordnung, damit man die Regelimpulse in der gewünschten Richtung bekommt.In order to now meet the battery requirements of an arrangement for regulating, electrical Pressing down machines as far as possible by means of electron tubes is used in the arrangement according to the invention, the anode voltage of the electron tubes used either from the constant grid counter voltage or from the one to be regulated Size influenced grid voltage supplied. In the illustrated embodiment serves as the anode voltage for the tubes 7 and 8 the voltage of the tachometerdynaxno 9. One could just as well use the voltage of the battery for this purpose. In In this case, the tachometer dynamo 9 and the battery would have to be included in the overall circuit i o are interchanged with one another. Whether the voltage of the tachometer dynamo or the Grid counter voltage is to be used, results according to the respective circuit arrangement, so that you get the control impulses in the desired direction.
Claims (1)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DES78484D DE474677C (en) | Arrangement for controlling electrical machines by means of electron tubes |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DES78484D DE474677C (en) | Arrangement for controlling electrical machines by means of electron tubes |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE474677C true DE474677C (en) | 1929-04-08 |
Family
ID=7507493
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DES78484D Expired DE474677C (en) | Arrangement for controlling electrical machines by means of electron tubes |
Country Status (1)
| Country | Link |
|---|---|
| DE (1) | DE474677C (en) |
-
0
- DE DES78484D patent/DE474677C/en not_active Expired
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