DE969296C - Arrangement for maintaining the control effect of magnetic amplifiers with small consumer currents - Google Patents

Arrangement for maintaining the control effect of magnetic amplifiers with small consumer currents

Info

Publication number
DE969296C
DE969296C DES4723D DES0004723D DE969296C DE 969296 C DE969296 C DE 969296C DE S4723 D DES4723 D DE S4723D DE S0004723 D DES0004723 D DE S0004723D DE 969296 C DE969296 C DE 969296C
Authority
DE
Germany
Prior art keywords
arrangement
maintaining
control effect
magnetic amplifiers
small consumer
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
DES4723D
Other languages
German (de)
Inventor
Dipl-Ing Henri Hoffmann
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.)
Siemens AG
Original Assignee
Siemens 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 Siemens AG filed Critical Siemens AG
Priority to DES4723D priority Critical patent/DE969296C/en
Application granted granted Critical
Publication of DE969296C publication Critical patent/DE969296C/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F9/00—Magnetic amplifiers
    • H03F9/02—Magnetic amplifiers current-controlled, i.e. the load current flowing in both directions through a main coil

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Networks Using Active Elements (AREA)

Description

Das Hauptpatent betrifft eine Anordnung zur Einstellung des im ungesteuerten Zustand die Drosseln durchfließenden Arbeitsstromes von magnetischen Verstärkern. Zu diesem Zweck wird eine Wechselstromvormagnetisierung des Magnetverstärkers vorgeschlagen. Der zusätzliche Magnetisierungswechselstrom wird aus dem speisenden Netz besonderen Wicklungen des Magnetverstärkers zugeführt und mittels einer vorgeschalteten Impedanz gesteuert. Während bei normalen Magnetverstärkern bei Nullaussteuerung immer noch ein gewisser Verbraucherstrom fließt, gelingt es durch die zusätzliche Magnetisierung, den Verbraucher völlig stromlos zu machen.The main patent relates to an arrangement for setting the in the uncontrolled Condition of the working current flowing through the chokes from magnetic amplifiers. For this purpose, an alternating current bias of the magnetic amplifier is proposed. The additional alternating magnetization current is special from the feeding network Windings of the magnetic amplifier supplied and by means of an upstream impedance controlled. While with normal magnetic amplifiers at zero level control still a certain consumer current flows, it is possible through the additional magnetization, to make the consumer completely currentless.

Die Erfindung bezieht sich auf eine zweckmäßige Ausgestaltung der Anordnung nach dem Hauptpatent. Erfindungsgemäß ist die Vorschaltimpedanz auf einen so großen Wert eingestellt, daß der bei Nullaussteuerung erforderliche zusätzliche Magnetisierungswechselstrom im wesentlichen von ihr bestimmt wird. Dadurch erreicht man, daß der zusätzliche Magnetisierungsstrom praktisch unabhängig von der bei verschiedener Aussteuerung des Magnetverstärkers verschieden großen transformatorischen Gegenspannung an den Hilfswicklungen ist. Es tritt bei mittleren und großen Aussteuerungen, wo die Gegenspannung klein ist, eine erhebliche Ersparnis an Hilfswechselstrom ein, da er seinen bei Nullaussteuerung erforderlichen Wert im wesentlichen beibehält und nicht mit der Aussteuerung des Verstärkers steigt.The invention relates to an expedient embodiment of the Arrangement according to the main patent. According to the invention, the ballast impedance is on one set such a large value that the additional Alternating magnetization current is essentially determined by it. Achieved thereby one that the additional magnetizing current is practically independent of the different Modulation of the magnetic amplifier of different size transformer counter voltages is on the auxiliary windings. It occurs at medium and large levels where the counter voltage is small, a considerable saving of auxiliary alternating current, since it essentially retains its value required at zero level control and does not increase with the level of the amplifier.

In der Zeichnung ist ein Ausführungsbeispiel der Erfindung dargestellt. In Reihe mit dem Verbraucher I, der von beliebiger Art, beispielsweise ein Trockengleichrichter sein kann, liegt die Arbeitswicklung 3 des Magnetverstärkers 2. Der Magnetverstärker besitzt außerdem Vormagnetisierungswicklungen 4, welchen der steuernde Gleichstrom zugeführt wird. Dabei wird man natürlich, was der Einfachheit halber nicht dargestellt ist, im allgemeinen solche Drosselformen bzw. Schaltungen verwenden, bei denen im steuernden Gleichstromkreis möglichst keine Wechselspannung entsteht. Der Magnetverstärker besitzt besondere Wechselstromwicklungen 5, welchen über einen Widerstand oder eine Drossel 6 aus dem speisenden Netz der zusätzliche Magnetisierungsstrom zugeführt wird. Die Vorschaltimpedanz 6 wird im Verhältnis zur Wicklung 5 erfindungsgemäß so groß bemessen, daß bei tiefster Herabsteuerung der Verbraucherspannung die erforderliche Wechselstrommagnetisierung des Magnetverstärkers 2 gewährleistet ist und der Hilfsmagnetisierungsstrom im wesentlichen von der Vorschaltimpedanz bestimmt wird. Gegebenenfalls kann die zusätzliche Magnetisierung abschaltbar gemacht werden, da sie nur im Bereich kleiner Verbraucherspannungen erforderlich ist.An exemplary embodiment of the invention is shown in the drawing. In series with the consumer I, which is of any kind, for example a dry rectifier can be, the working winding 3 of the magnetic amplifier 2. The magnetic amplifier also has bias windings 4, which the controlling direct current is fed. You will of course be shown, which is not shown for the sake of simplicity is, in general, use such throttle forms or circuits in which im controlling direct current circuit, as far as possible, no alternating voltage is generated. The magnetic amplifier has special alternating current windings 5, which via a resistor or a Choke 6 is supplied with the additional magnetizing current from the supply network will. The series impedance 6 is in relation to the winding 5 according to the invention dimensioned so large that with the lowest down control of the consumer voltage the required AC magnetization of the magnetic amplifier 2 is guaranteed and the auxiliary magnetization current is essentially determined by the series impedance. If necessary, the additional magnetization can be switched off, since it is only smaller in the area Consumer voltages is required.

Claims (1)

PATENTANSPRUCH: Anordnung zur Aufrechterhaltung der Steuerwirkung von magnetischen Verstärkern bei kleinen Verbraucherströmen durch einen zusätzlichen Magnetisierungswechselstrom, der aus dem speisenden Netz besonderen Wicklungen des Magnetverstärkers zugeführt und mittels einer vorgeschalteten Impedanz eingestellt wird, nach Patent 756 138, dadurch gekennzeichnet, daß die Vorschaltimpedanz auf einen so großen Wert eingestellt ist, daß der bei Nullaussteuerung erforderliche zusätzliche Magnetisierungswechselstrom im wesentlichen von ihr bestimmt wird. In Betracht gezogene Druckschriften: Deutsche Patentschriften Nr. 756 138, 7o9 656, 65o 553 französische Patentschriften Nr. 830 743, 831459; USA.-Patentschriften Nr. 2 036 7o8, 2 259 647.PATENT CLAIM: Arrangement for maintaining the control effect of magnetic amplifiers in the case of small consumer currents by means of an additional alternating magnetization current, which is supplied from the feeding network to special windings of the magnetic amplifier and is set by means of an upstream impedance, according to Patent 756 138, characterized in that the series impedance is set to such large value is set so that the additional alternating magnetization current required at zero level control is essentially determined by it. Documents considered: German Patent Nos. 756 138, 7o9 656, 65o 553 French Patent Nos. 830 743, 831459; USA. Patent Nos. 2,036 7o8, 2,259,647.
DES4723D 1942-08-20 1942-08-20 Arrangement for maintaining the control effect of magnetic amplifiers with small consumer currents Expired DE969296C (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DES4723D DE969296C (en) 1942-08-20 1942-08-20 Arrangement for maintaining the control effect of magnetic amplifiers with small consumer currents

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DES4723D DE969296C (en) 1942-08-20 1942-08-20 Arrangement for maintaining the control effect of magnetic amplifiers with small consumer currents

Publications (1)

Publication Number Publication Date
DE969296C true DE969296C (en) 1958-05-22

Family

ID=7470905

Family Applications (1)

Application Number Title Priority Date Filing Date
DES4723D Expired DE969296C (en) 1942-08-20 1942-08-20 Arrangement for maintaining the control effect of magnetic amplifiers with small consumer currents

Country Status (1)

Country Link
DE (1) DE969296C (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1145249B (en) * 1956-01-17 1963-03-14 Siemens Ag Control device for stage lighting or the like.

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2036708A (en) * 1932-08-08 1936-04-07 Ward Leonard Electric Co Electric controlling apparatus
DE650553C (en) * 1932-07-01 1937-09-27 Alan Stewart Fitzgerald Multi-stage magnetic amplifier
FR830743A (en) * 1936-01-04 1938-08-08 Siemens Ag Switching device for alternating currents
FR831459A (en) * 1937-01-02 1938-09-05 Thomson Houston Comp Francaise Improvements to magnetic amplifiers
DE709656C (en) * 1935-12-14 1941-08-22 Siemens Schuckertwerke Akt Ges AC switchgear with mechanically moved contacts
US2259647A (en) * 1939-02-09 1941-10-21 Ward Leonard Electric Co Electric controlling apparatus
DE756138C (en) * 1941-04-08 1953-05-04 Siemens & Halske A G Arrangement for setting the working current of magnetic amplifiers flowing through the chokes in the uncontrolled state

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE650553C (en) * 1932-07-01 1937-09-27 Alan Stewart Fitzgerald Multi-stage magnetic amplifier
US2036708A (en) * 1932-08-08 1936-04-07 Ward Leonard Electric Co Electric controlling apparatus
DE709656C (en) * 1935-12-14 1941-08-22 Siemens Schuckertwerke Akt Ges AC switchgear with mechanically moved contacts
FR830743A (en) * 1936-01-04 1938-08-08 Siemens Ag Switching device for alternating currents
FR831459A (en) * 1937-01-02 1938-09-05 Thomson Houston Comp Francaise Improvements to magnetic amplifiers
US2259647A (en) * 1939-02-09 1941-10-21 Ward Leonard Electric Co Electric controlling apparatus
DE756138C (en) * 1941-04-08 1953-05-04 Siemens & Halske A G Arrangement for setting the working current of magnetic amplifiers flowing through the chokes in the uncontrolled state

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1145249B (en) * 1956-01-17 1963-03-14 Siemens Ag Control device for stage lighting or the like.

Similar Documents

Publication Publication Date Title
DE675835C (en) Arrangement for voltage regulation of synchronous machines
DE1263909B (en) Inverter circuit for alternating current consumers that work temporarily as a generator
DE969296C (en) Arrangement for maintaining the control effect of magnetic amplifiers with small consumer currents
DE914152C (en) Arrangement for the regulation of alternators
DE756138C (en) Arrangement for setting the working current of magnetic amplifiers flowing through the chokes in the uncontrolled state
DE966234C (en) Magnetic amplifier
DE673103C (en) Arrangement for keeping constant or regulating the voltage or current of an alternating current network
DE731178C (en) Arrangement for the current-dependent regulation of alternators
DE914864C (en) Throttle arrangement adjustable by pre-magnetization
DE712809C (en) Circuit for active power control in three-phase systems
DE739265C (en) Device for regulating the voltage in electrical circuits by means of regulating chokes
DE709629C (en) Arrangement for the operation of rectifiers, whose grid circles receive a phase-variable control AC voltage
DE915015C (en) Transformer for arc welding
DE615786C (en) Arrangement for regulating the reactive power taken from an electrical circuit by inductors
DE972769C (en) Arrangement to improve the voltage stability of synchronous machines or synchronized asynchronous machines
DE659091C (en) Control device for load compensation in three-wire systems with a rectifier as a compensating current source in each half of the network
DE913672C (en) Device for automatic voltage regulation in alternating current circuits
DE1031352B (en) Arrangement for generating and setting the premagnetization in magnetic amplifiers
DE905273C (en) Arrangement for the regulation of operating variables in AC or DC rectifier circuits by means of a premagnetized choke
AT116320B (en) Device for regulating the voltage of an alternating current network.
DE944505C (en) Forming arrangement
DE738250C (en) Circuit for controlling lighting circuits
AT201727B (en) Power supply device
AT225268B (en) Protection relay arrangement with transducer
DE845545C (en) Arrangement for voltage regulation of three-phase and alternating current generators with excitation machines by means of turntable regulators and magnetic amplifiers