DE1010615B - Arrangement to compensate for the load-dependent voltage drop in the armature circuit of a speed-controlled DC motor - Google Patents

Arrangement to compensate for the load-dependent voltage drop in the armature circuit of a speed-controlled DC motor

Info

Publication number
DE1010615B
DE1010615B DEE5097A DEE0005097A DE1010615B DE 1010615 B DE1010615 B DE 1010615B DE E5097 A DEE5097 A DE E5097A DE E0005097 A DEE0005097 A DE E0005097A DE 1010615 B DE1010615 B DE 1010615B
Authority
DE
Germany
Prior art keywords
load
motor
voltage drop
speed
compensate
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.)
Pending
Application number
DEE5097A
Other languages
German (de)
Inventor
Dipl-Ing Walter Sussebach
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.)
ELMEG Elektro Mechanik GmbH
Original Assignee
ELMEG Elektro Mechanik GmbH
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 ELMEG Elektro Mechanik GmbH filed Critical ELMEG Elektro Mechanik GmbH
Priority to DEE5097A priority Critical patent/DE1010615B/en
Publication of DE1010615B publication Critical patent/DE1010615B/en
Pending legal-status Critical Current

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
    • H02P7/28—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 semiconductor devices
    • H02P7/285—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 semiconductor devices controlling armature supply only
    • H02P7/2855—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 semiconductor devices controlling armature supply only 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 zum Ausgleich des belastungsabhängigen Spannungsfalls im Ankerstromkreis eines drehzahlgesteuerten Gleichstrommotors Die Erfindung betrifft eine Anordnung zum Ausgleich des belastungsabhängigen Spannungsfalls im Ankerstromkreis eines drehzahlgesteuerten Gleichstrommotors, der über einen Regeltransformator, insbesondere einen Spartransformator, und einen mit diesem durch eine zwangläufige, gemeinsame Stufenumschaltung verbundenen mehrstufigen Trockengleichrichter gespeist wird, wobei der Trockengleichrichter so umgeschaltet wird, daß bei jeder Steuerstellung an die im Ankerstromkreis liegenden Gleichrichterelemente eine Spannung bis zur Höhe der Sperrspannung gelegt wird.Arrangement to compensate for the load-dependent voltage drop in the Armature circuit of a speed-controlled DC motor The invention relates to an arrangement to compensate for the load-dependent voltage drop in the armature circuit a speed-controlled direct current motor, which via a regulating transformer, in particular an autotransformer, and one with this through an inevitable, common stage switching connected multi-stage dry rectifier fed the dry rectifier is switched so that with each control position to the rectifier elements lying in the armature circuit a voltage up to The level of the reverse voltage is placed.

Es sind elektromotorische Antriebe dieser Art bekannt, mit welchen sich ein großer Drehzahlsteuerbereich zwischen Anlauf und Nennlast erzielen läßt. Es ist weiterhin bekannt, den Drehzahlsteuerbereich eines elektrischen Antriebes dadurch zu erweitern, daß in Reihe mit einem Gleichstrommotor ein zusätzlicher Hauptstromgenerator geschaltet wird, dessen Anker- und Feldwicklungen vom Belastungsstrom des Gleichstrommotors durchflossen werden, wobei der Hauptstromgenerator mit konstanter Drehzahl angetrieben wird. Der mit wachsendem Ankerstrom ansteigende Spannungsabfall im Ankerkreis des Gleichstrommotors wird auf diese Weise kompensiert, so daß eine möglichst große Unabhängigkeit der Drehzahl von der Belastung erreicht wird. Da jedoch die Drehzahlabhängigkeit mit kleiner werdender Drehzahl zunimmt, ist auch diese Art der Drehzahlsteuerung nicht immer ausreichend.There are known electric motor drives of this type, with which a large speed control range between start-up and rated load can be achieved. It is also known the speed control range of an electric drive by adding an additional main current generator in series with a direct current motor is switched, the armature and field windings of the load current of the DC motor flowed through, the main power generator driven at constant speed will. The voltage drop in the armature circuit of the, which increases with the armature current DC motor is compensated in this way, so that the largest possible Independence of the speed of the load is achieved. However, there is the speed dependency increases with decreasing speed, is also this type of speed control not always sufficient.

Nach der Erfindung wird nun die Kompensationswirkung eines zum Ausgleich des belastungsabhängigen Spannungsfalls in Reihe mit dem Gleichstrommotor geschalteten Gleichstrom-Reihenschlußgenerators in Abhängigkeit von der Stellung der Transformator- und Gleichrichter-Stufensteuerung eingestellt. Diese Einstellung der Kompensationswirkung des Gleichstrom-Reihenschlußgenerators kann z. B. durch Umschaltung von Anzapfungen seiner Erregerwicklung oder durch Parallelschaltung eines veränderlichen Widerstandes zu seiner Erregerwicklung erfolgen. Hierdurch wird erreicht, daß die Kompensationswirkung des Gleichstrom-Reihenschlußgenerators jeweils der Drehzahl des Gleichstrommotors angepaßt ist, so daß unabhängig von der Motorbelastung praktisch im gesamten Steuerbereich eine gleichbleibende Drehzahl des Motors erzielt wird.According to the invention, the compensation effect is now a compensation of the load-dependent voltage drop connected in series with the DC motor DC series generator depending on the position of the transformer and rectifier stage control set. This setting of the compensation effect the direct current series generator can, for. B. by switching taps its excitation winding or by connecting a variable resistor in parallel take place for its excitation development. This ensures that the compensation effect of the direct current series generator the speed of the direct current motor is adapted so that regardless of the engine load practically in the entire control range a constant speed of the motor is achieved.

Die Zeichnung zeigt ein Ausführungsbeispiel der Erfindung in schematischer Darstellung.The drawing shows an exemplary embodiment of the invention in schematic form Depiction.

Es bezeichnen 7, 8 und 9 die drei Trockengleichrichtersätze und 13, 14 und 15 die zugeordneten Wicklungen des dreiphasigen Spartransformators. 11 ist der zu steuernde Gleichstrommotor, zu dem der Hauptstromgenerator 64 in Reihe geschaltet ist, wobei die. Feldwicklung und die Ankerwicklung desselben vom Ankerstrom des Motors 11 durchflossen werden. 65 ist ein mit konstanter Drehzahl laufender Hilfsmotor zum Antrieb des Generators 64.7, 8 and 9 designate the three dry rectifier sets and 13, 14 and 15 the associated windings of the three-phase autotransformer. 11 is the DC motor to be controlled, to which the main current generator 64 is connected in series is, where the. Field winding and the armature winding of the same from the armature current of the Motor 11 flowed through. 65 is an auxiliary motor running at constant speed to drive the generator 64.

Die Erregerwicklung 66 des Generators 64 ist mit verschiedenen Anzapfungen 67 versehen, die bei Verstellung der Transformator- und Gleichrichter-Abgriffe ebenfalls umgeschaltet werden. Mit dieser Umschaltung ergibt sich zwangläufig eine Anpassung der Erregung des Generators 64 an die jeweilige Stellung der Transformator- und Gleichrichter-Abgriffe und damit eine Anpassung der Spannung des Generators 64 an den jeweiligen Spannungsabfall.The excitation winding 66 of the generator 64 has different taps 67 provided, which also applies to the adjustment of the transformer and rectifier taps be switched. This changeover inevitably results in an adjustment the excitation of the generator 64 to the respective position of the transformer and Rectifier taps and thus an adaptation of the voltage of the generator 64 the respective voltage drop.

Die Änderung des Kompensationsgrades mittels der umschaltbaren Anzapfungen 67 ist nur als ein Beispiel zu werten. Statt dessen können auch andere Wege, z. B. Parallelschalten eines veränderlichen Widerstandes zur Erregerwicklung 66 od. dgl., beschritten werden.The change in the degree of compensation by means of the switchable taps 67 is only to be regarded as an example. Instead, other ways, e.g. B. parallel connection of a variable resistor to the field winding 66 od. Like. To be trodden.

Claims (2)

PATEN TANSPRÜCII1#. 1. Anordnung zum Ausgleich des belastungsabhängigen Spannungsfalls im Ankerstromkreis eines drehzahlgesteuerten Gleichstrommotors, der über einen Regeltransformator, insbesondere einen Spartransformator, und einen mit diesem durch eine zwangläufige, gemeinsame Stufenumschaltung verbundenen mehrstufigen Trockengleichrichter gespeist wird, wobei der Trockengleichrichter so umgeschaltet wird, daß bei jeder Steuerstellung an die in i= Ankerstromkreis liegenden Gleichrichterelemente eine Spannung bis zur Größe der Sperrspannung gelegt wird, dadurch gekennzeichnet, daß die Kompensationswirkung eines zum Ausgleich des belastungsabhängigen Spannungsfalls in Reihe mit dem Gleichstrommotor geschalteten Gleichstrom -Reihenschlußgenerators in Abhängigkeit von der Stellung der Transformator- und Gleichrichter-Stufensteuerung eingestellt wird. PATEN TANSPRÜCII1 #. 1. Arrangement to compensate for the load-dependent voltage drop in the armature circuit of a speed-controlled direct current motor, which is fed via a regulating transformer, in particular an autotransformer, and a multi-stage dry rectifier connected to it by an inevitable, common stage switch, the dry rectifier being switched so that in every control position A voltage up to the magnitude of the reverse voltage is applied to the rectifier elements in i = armature circuit, characterized in that the compensation effect of a direct current generator connected in series with the direct current motor to compensate for the load-dependent voltage drop, depending on the position of the transformer and rectifier Step control is set. 2. Anordnung nach Anspruch 1, dadurch gekennzeichnet, daß die Kompensationswirkung des Gleichstrom-Reihenschlußgenerators durch Umschaltung von Anzapfungen seiner Erregerwicklung oder durch Parallelschaltung eines veränderlichen Widerstandes zu seiner Erregerwicklung eingestellt wird. In Betracht gezogene Druckschriften: Deutsche Patentschriften Nr. 829 010, 704 502, 660 147, 652 768, 618 219.2. Arrangement according to claim 1, characterized in that the Compensation effect of the direct current series generator by switching from Taps on its field winding or by connecting a variable in parallel Resistance to its field winding is set. Considered publications: German Patent Nos. 829 010, 704 502, 660 147, 652 768, 618 219.
DEE5097A 1952-02-25 1952-02-25 Arrangement to compensate for the load-dependent voltage drop in the armature circuit of a speed-controlled DC motor Pending DE1010615B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DEE5097A DE1010615B (en) 1952-02-25 1952-02-25 Arrangement to compensate for the load-dependent voltage drop in the armature circuit of a speed-controlled DC motor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DEE5097A DE1010615B (en) 1952-02-25 1952-02-25 Arrangement to compensate for the load-dependent voltage drop in the armature circuit of a speed-controlled DC motor

Publications (1)

Publication Number Publication Date
DE1010615B true DE1010615B (en) 1957-06-19

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Application Number Title Priority Date Filing Date
DEE5097A Pending DE1010615B (en) 1952-02-25 1952-02-25 Arrangement to compensate for the load-dependent voltage drop in the armature circuit of a speed-controlled DC motor

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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE618219C (en) * 1930-06-01 1935-09-04 Aeg Control device for DC motors, especially for multi-motor drives
DE652768C (en) * 1935-01-12 1937-11-08 Siemens Schuckertwerke Akt Ges Resistance control for electric motors
DE660147C (en) * 1935-03-30 1938-05-18 Siemens Schuckertwerke Akt Ges Arrangement for the automatic maintenance of the speed of several shunt motors fed by a common Leonard generator, individually provided with armature series resistors
DE704502C (en) * 1938-11-11 1941-04-01 Siemens Schuckertwerke Akt Ges Device for reducing the static and dynamic speed drop in Leonard drives
DE829010C (en) * 1949-05-21 1952-01-21 Elektro Mechanik G M B H Electric drive with a large control range

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE618219C (en) * 1930-06-01 1935-09-04 Aeg Control device for DC motors, especially for multi-motor drives
DE652768C (en) * 1935-01-12 1937-11-08 Siemens Schuckertwerke Akt Ges Resistance control for electric motors
DE660147C (en) * 1935-03-30 1938-05-18 Siemens Schuckertwerke Akt Ges Arrangement for the automatic maintenance of the speed of several shunt motors fed by a common Leonard generator, individually provided with armature series resistors
DE704502C (en) * 1938-11-11 1941-04-01 Siemens Schuckertwerke Akt Ges Device for reducing the static and dynamic speed drop in Leonard drives
DE829010C (en) * 1949-05-21 1952-01-21 Elektro Mechanik G M B H Electric drive with a large control range

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