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DE468198C - AC overlay center - Google Patents

AC overlay center

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Publication number
DE468198C
DE468198C DEM94169D DEM0094169D DE468198C DE 468198 C DE468198 C DE 468198C DE M94169 D DEM94169 D DE M94169D DE M0094169 D DEM0094169 D DE M0094169D DE 468198 C DE468198 C DE 468198C
Authority
DE
Germany
Prior art keywords
frequency
auxiliary
generator
overlay
center according
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
DEM94169D
Other languages
German (de)
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.)
OTTO MUCK DIPL ING
Original Assignee
OTTO MUCK DIPL ING
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 OTTO MUCK DIPL ING filed Critical OTTO MUCK DIPL ING
Priority to DEM94169D priority Critical patent/DE468198C/en
Priority to AT111160D priority patent/AT111160B/en
Application granted granted Critical
Publication of DE468198C publication Critical patent/DE468198C/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J13/00—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network
    • H02J13/00006—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network characterised by information or instructions transport means between the monitoring, controlling or managing units and monitored, controlled or operated power network element or electrical equipment
    • H02J13/00007—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network characterised by information or instructions transport means between the monitoring, controlling or managing units and monitored, controlled or operated power network element or electrical equipment using the power network as support for the transmission
    • H02J13/00009—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network characterised by information or instructions transport means between the monitoring, controlling or managing units and monitored, controlled or operated power network element or electrical equipment using the power network as support for the transmission using pulsed signals
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J13/00—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network
    • H02J13/00032—Systems characterised by the controlled or operated power network elements or equipment, the power network elements or equipment not otherwise provided for
    • H02J13/00034—Systems characterised by the controlled or operated power network elements or equipment, the power network elements or equipment not otherwise provided for the elements or equipment being or involving an electric power substation
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
    • Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
    • Y04S40/00—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them
    • Y04S40/12—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them characterised by data transport means between the monitoring, controlling or managing units and monitored, controlled or operated electrical equipment
    • Y04S40/121—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them characterised by data transport means between the monitoring, controlling or managing units and monitored, controlled or operated electrical equipment using the power network as support for the transmission

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Control Of Eletrric Generators (AREA)

Description

Wechselstrom-liberlagerungszentrale Bei Wechselstrom-Überlagerungszentralen werden die gewünschten Einzelfrequenzen dadurch erzeugt, daß ein von einem Nebenschlußregler seiner Drehzahl nach gesteuertes Motorgeneratoraggregat den ganzen benötigten Drehzahl- bzw. Frequenzbereich durchläuft, aus welchem dann die gewünschten Einzelfrequenzbereiche durch an der Schalttafel vorgesehene, dauernd am Frequenzstrome liegende, auf die Frequenzen abgestimmteFrequenzwählrelais »ausgesiebt« werden, indem das jeweils in seiner Eigenschwingung erregte und ansprechende Frequenzwählrelais das Aggregat überlagernd ans Netz schaltet.Alternating current superimposition center For alternating current superimposition centers the desired individual frequencies are generated in that one of a shunt regulator Motor generator set, controlled according to its speed, provides all the required speed or frequency range runs through, from which then the desired individual frequency ranges by provided on the control panel, permanently connected to the frequency current, to the Frequency selection relays are »filtered out« by the In its natural oscillation and responsive frequency selection relay excited the unit superimposed on the grid.

Hierbei treten Schwierigkeiten dadurch auf, daß im Momente des Anschaltens die Drehzahl des Motors, die Frequenz und die Spannung des Generators abfallen; infolgedessen sprechen die Frequenzwählrelais zeitweilig unsicher an, so daß nicht während de ganzen, sondern nur während eines Teiles des Einzelfrequenzbereiches das Aggregat überlagernd angeschaltet wird, mithin die wirksame Dauer des überlagerten Einzelfrequenzimpulses unliebsam verkürzt ist.Difficulties arise here because at the moment of switching on the speed of the motor, the frequency and the voltage of the generator drop; As a result, the frequency selection relays respond temporarily unsafe, so that not during the whole, but only during part of the individual frequency range the unit is switched on superimposed, hence the effective duration of the superimposed Single frequency pulse is unpleasant shortened.

Um dies zu vermeiden, erregt man -erfindungsgemäß die Frequenzwählrelais nicht durch den Strom des Aggregates, d. h. derart, daß die Relais im Hauptstromkreise des Generators geschaltet sind, sondern durch einen Hilfsfrequenzstrom, der beispielsweise von dem als Einankerumformer ausgebildeten Motor entnommen oder von einer kleinen. von der Aggregatwelle betriebenen Hilfssynchrondynamo oder schließlich durch einen Unterbrecher erzeugt wird, der etwa von einer auf der Aggregatwelle aufsitzenden Nockenscheibe bedient wird.In order to avoid this, the frequency selection relay is excited according to the invention not by the current of the unit, d. H. such that the relays in the main circuits of the generator are switched, but by an auxiliary frequency current, for example taken from the motor designed as a single armature converter or from a small one. auxiliary synchronous dynamo operated by the unit shaft or finally by a Interrupter is generated, for example by a seated on the assembly shaft Cam is operated.

Die Frequenz dieses Hilfsstromes muß der des Hauptstromes nicht - gleich, sondern braucht ihr nur proportional zu sein: Wählt man -etwa das Frequenzverhältnis i : io, so kann man zur Erzeugung des Hilfsstromes auch eine normale Niederfrequenzmaschine benutzen (von etwa 25 bis 6o Perioden).The frequency of this auxiliary current does not have to be the same as that of the main current, but only needs to be proportional: If you choose - for example the frequency ratio i: io, you can also use a normal low-frequency machine to generate the auxiliary current (from about 25 to 60 periods) .

Alsdann ist die Spannung des durch die dauernd angeschlossenen Frequenzwählrelais konstant belasteten, auf der Welle des Hauptgenerators angeordneten Hilfsgenerators praktisch konstant. Die Frequenzwählrelais sind somit unabhängig vom Zustande des Hauptgenerators. Man kann nun eine Stromabgabe des Hauptgenerators dadurch erzielen, daß man mit Hilfe des in seiner Eigenschwingung erregten Frequenzw ählrelais die Erregung der sonst feldlos laufenden Hauptmaschine bewirkt, und zwar gegebenenfalls über eine Verzögerungsdrosselspule, um zu bewirken, daß die Feldstärke und damit die Belastung nicht allzu rasch ansteigt, damit der Drehzahlabfall des Aggregates leichter unschädlich gemacht werden kann.Then the voltage of the frequency selection relay is permanently connected Constantly loaded auxiliary generator arranged on the shaft of the main generator practically constant. The frequency selection relays are therefore independent of the state of the Main generator. One can now achieve a current output from the main generator by that with the help of the frequency selection relay, which is excited in its natural oscillation, the Excitation of the otherwise fieldless running main engine causes, and if necessary via a delay choke coil to cause the field strength and thus the load does not increase too quickly, so that the engine speed drops can be rendered harmless more easily.

Um nun die gewünschte Dauer der Wirksamkeit des Einzelfrequenzimpulses beliebig zu verlängern, läßt man den Antriebsmotor des- Nebenschlußreglers durch das ansprechende Vrequenzwählrelais auf Langsamlauf schalten, solange die erzeugte Frequenz innerhalb des gewünschten Einzelfrequenzbereiches bleibt.To now the desired duration of the effectiveness of the single frequency pulse to be extended as desired, the drive motor of the shunt regulator is allowed to pass through the appealing Switch the frequency selection relay to slow speed as long as the generated frequency remains within the desired individual frequency range.

DieAbbildung stellt schematisch eine solche automatische Zentrale dar; es bedeutet 11 den Motor, G den Generator des Hauptaggregates, FW die Fnequenzwählrelais, in den Antriebsmotor des hier" als Zentralregler ausgebildeten Nebenschlußreglers Z, g den Hilfsfrequenzgenerator. Der Innenkranz des Reglers dient als Anlasser, der Mittelkranz als Drehzahlregler für H, der Außenkranz für das Generatorfeld.The figure shows schematically such an automatic center; 11 it means the engine, G the generator of the main unit, FW, the Fnequenzwählrelais, in the drive motor of this "constructed as a central controller shunt regulator Z, g the auxiliary frequency generator. The inner ring of the regulator serves as a starter, the middle ring gear as a speed controller for H, the outer rim for the generator field.

Durch Einschalten des Handhebels H wird der Antriebsmotor 11 über den durch x kurzgeschlossenen Widerstand e an Spannung gelegt und auf Vollauf gebracht und durch den Schützen i das Feld des Hauptmotors hl eingeschaltet. Der Elektromagnet 2 entsper rt die Kurbel des Zentralreglers Z, so daß dieser, vom Hilfsmotor angetrieben, anläuft. Die ersten 6o° Kurbelweg dienen dem Anlassen des Motors 111, dann tritt während _ eines Weges von 2.40° der Drehzahlregler für Motor NI in Tätigkeit; während der letzten 6o° wird das Hauptaggregat automatisch langsam abgeschaltet. Die Spulen der Ruhekontakte R tragenden Frequenzwählrelais FW liegen dauernd an der vom Hilfsgenerator g erzeugten Hilfsspannung; die Ruhekontakte sind hintereinander geschaltet; zu jedem Ruhekontakte liegt parallel der zugehörige Überbrückungsschalter S. Parallel zu der Ruhekontaktreihe liegt der Impulsschütz 3; wenn somit ein Frequenzwählrelais in seinerEigenschwingung erregt wird, dessen zugehöriger Überbrückungsschalter S von Hand abgeschaltet wurde, so daß dieses Relais freigegeben ist, so bewirkt es, daß die Spule des - sonst auch durch die Ruhekontaktreihe überbrückten - Impulsschützen Strom führt; dadurch wird mittels des Hauptarbeitskontaktes ia über die Drossel D der Generator erregt und zugleich mittels des - davon isolierten - Ruhekontaktes n der Kurzschluß des Vorschaltwiderstandes b vor dem Hilfsmotor m behoben, so daß der von dem Hilfsmotor angetriebene Kurbelarm des Zentralreglers während des Impulses lanb samer läuft.By turning on the hand lever H, the drive motor 11 is connected to voltage via the resistor e short-circuited by x and brought to full speed and the field of the main motor hl is switched on by the contactor i. The electromagnet 2 unlocks the crank of the central controller Z so that it starts up, driven by the auxiliary motor. The first 60 ° crank travel is used to start the engine 111, then during a travel of 2.40 ° the speed controller for engine NI comes into action; during the last 60 ° the main unit is automatically and slowly switched off. The coils of the normally closed contacts R carrying frequency selection relays FW are permanently connected to the auxiliary voltage generated by the auxiliary generator g; the normally closed contacts are connected in series; the associated bypass switch S is parallel to each break contact. The pulse contactor 3 is located parallel to the row of break contacts; Thus, if a frequency selector relay is excited in its own oscillation, the associated bypass switch S has been switched off manually, so that this relay is released, it causes the coil of the - otherwise bridged by the normally closed contact series - impulse contactors conducts current; thereby the generator is excited by means of the main working contact ia via the throttle D and at the same time the short circuit of the series resistor b in front of the auxiliary motor m is eliminated by means of the - isolated from it - break contact n, so that the crank arm of the central controller driven by the auxiliary motor runs slower during the pulse .

Der Regler läuft so lange, als H eingeschaltet ist,The controller runs as long as H is switched on,

Claims (3)

K'1'I'sNTANSPRÜCHE: i. Wechselstrom-Überlagerungszentrale, bei welcher der Generator ein Frequenzband .durchläuft, aus dem die gewünschten Einzelfrequenzbereiche durch abgestimmte Frequenzrelais ausgesiebt werden, dadurch gekennzeichnet, daß diese Relais, statt im Hauptstromkreise an einem eigenen Hilfsfrequenzstromkreise liegen, dessen Frequenz der des Hauptstromes dauernd .proportional ist. K'1'I'S CLAIMS: i. AC overlay center at which the generator runs through a frequency band from which the desired individual frequency ranges are screened out by matched frequency relays, characterized in that these relays, instead of in the main circuits, on their own auxiliary frequency circuits whose frequency is permanently proportional to that of the main current. 2. Wechselstrom-Überlagerungszentrale nach Anspruch i, dadurch gekennzeichnet, daß als Hilfsgenerator eine normale Synchronmaschine oder ein Unterbrecher verwendet werden bzw. daß der Hilfsstrom dem als Einankerumforrner ausgebauten Motor des Aggregates entnommen wird. 2. AC overlay center according to claim i, characterized in that a normal synchronous machine is used as the auxiliary generator or an interrupter can be used or that the auxiliary current is used as a single armature converter removed engine of the unit. 3. Wechselstrom-Überlagerungszentrale nach Anspruch i, dadurch gekennzeichnet, daß zur Verringerung des Drehzahlabfalles die Überlagerung des Frequenzimpulses mittels dauernd an der Hilfsstromquelle liegender Frequenzrelais dadurch erfolgt, daß das ansprechende Relais, gegebenenfalls über eine Drossel (Verzögerungsdrossel) die Erregung des Generators einschaltet. q.. Wechselstrom-Überlagerungszentrale nach Anspruch i, dadurch gekennzeichnet, daß zur Verlängerung der wirksamen Impulsdauer der Antriebsmotor des Reglers während des Impulses auf Langsamlauf ge.gchaltet wird.3. AC overlay center according to claim i, characterized in that to reduce the drop in speed the superposition of the frequency pulse by means of continuously lying on the auxiliary power source Frequency relay takes place in that the responding relay, if necessary via a choke (delay choke) switches on the excitation of the generator. q .. Alternating current superimposition center according to claim i, characterized in that to extend the effective pulse duration of the drive motor of the controller during of the impulse is switched to slow speed.
DEM94169D 1926-04-10 1926-04-16 AC overlay center Expired DE468198C (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
DEM94169D DE468198C (en) 1926-04-16 1926-04-16 AC overlay center
AT111160D AT111160B (en) 1926-04-10 1927-04-06 Procedure for the superposition of interconnected power networks.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DEM94169D DE468198C (en) 1926-04-16 1926-04-16 AC overlay center

Publications (1)

Publication Number Publication Date
DE468198C true DE468198C (en) 1929-11-27

Family

ID=7322635

Family Applications (1)

Application Number Title Priority Date Filing Date
DEM94169D Expired DE468198C (en) 1926-04-10 1926-04-16 AC overlay center

Country Status (1)

Country Link
DE (1) DE468198C (en)

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