DE406266C - Automatic error message for measuring field devices - Google Patents

Automatic error message for measuring field devices

Info

Publication number
DE406266C
DE406266C DEA41980D DEA0041980D DE406266C DE 406266 C DE406266 C DE 406266C DE A41980 D DEA41980 D DE A41980D DE A0041980 D DEA0041980 D DE A0041980D DE 406266 C DE406266 C DE 406266C
Authority
DE
Germany
Prior art keywords
field devices
error message
measuring field
automatic error
relay
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
DEA41980D
Other languages
German (de)
Inventor
Professor Hermann Zipp
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.)
AEG AG
Original Assignee
AEG 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 AEG AG filed Critical AEG AG
Priority to DEA41980D priority Critical patent/DE406266C/en
Application granted granted Critical
Publication of DE406266C publication Critical patent/DE406266C/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F27/00—Details of transformers or inductances, in general
    • H01F27/42—Circuits specially adapted for the purpose of modifying, or compensating for, electric characteristics of transformers, reactors, or choke coils
    • H01F27/422—Circuits specially adapted for the purpose of modifying, or compensating for, electric characteristics of transformers, reactors, or choke coils for instrument transformers
    • H01F27/427—Circuits specially adapted for the purpose of modifying, or compensating for, electric characteristics of transformers, reactors, or choke coils for instrument transformers for current transformers
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F38/00—Adaptations of transformers or inductances for specific applications or functions
    • H01F38/20—Instruments transformers
    • H01F38/22—Instruments transformers for single phase ac
    • H01F38/28—Current transformers
    • H01F38/32—Circuit arrangements

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Testing Of Short-Circuits, Discontinuities, Leakage, Or Incorrect Line Connections (AREA)

Description

Selbsttätige Fehlermeldung für Meßfeldeinrichtungen. In der Patentschrift 304054 ist eine Vorrichtung zur Fehlermeldung in Meßfeldeinrichttrngen beschrieben, durch welche Störungen in den Sekundärkreisen der Meßwandler angezeigt werden sollen.Automatic error message for measuring field devices. In the patent specification 304054 describes a device for error messages in measuring field devices, which faults in the secondary circuits of the transducers are to be displayed.

Zur Anzeige von Störungen in den Stromwandlern wird beispielsweise eine Einrichtung angegeben, welche aus zwei mit je einem Stromwandler und einer Zählerspule in Reihe geschalteten Spulen besteht, die auf zwei -#veiiz re, an einem doppelarmigen Hebel angeltrachten Spulen induktiv einwirken und bei eintretenden Störungen einen Kontakt schließen.To display faults in the current transformers, for example a device specified, which consists of two with one current transformer and one Counter coil consists of series-connected coils on two - # veiiz re, on one double-armed lever attached coils act inductively and when entering Faults close a contact.

Um auch bei unsvrnnietrischer Belastung ein einwandfreies Fuirktionieren des Apparates zu gewährleisten, hat man bei dem Relaismagnet drei räumlich vollkommen gleiche und entsprechend geschaltete Wicklungen (trifilar gewickelte Spule) untergebracht. Diese Wicklungen wurden mit den Stromwandlern und Zählerstromspulen in Reihe, geschaltet. Sind die Stromwandler in Ordnung, so ist der Kraftfluß in dem Relaismagnet gleich Null. Tritt dagegen in den Wandlern eine Störung auf, so ist die Summe der drei in den Wick-Iungen fließenden Ströme nicht mehr Null. und infolgedessen entsteht jetzt in dem Relaismagnet ein Kraftfluß, der den Relaisanker zti betätigen sucht.In order to ensure that everything works properly even when we are under a heavy load To ensure the device, you have three spatially perfect in the relay magnet housed identical and correspondingly switched windings (trifilar wound coil). These windings were connected in series with the current transformers and meter current coils. If the current transformers are OK, the power flow in the relay magnet is the same Zero. If, on the other hand, a fault occurs in the converters, then the sum of the three is currents flowing in the Wick-Iungen are no longer zero. and as a result arises now in the relay magnet a power flow that seeks to actuate the relay armature zti.

Die Ausführung eines derartigen Relais mit trifilar gewickelter Erregerspule bereitet aber insofern große Schwierigkeiten, als die Unterbringung der erforderlichen Ainperewindungen auf dein Relaismagnet nicht möglich ist. Gegenstand der vorliegenden Erfindung ist es nun, die Anordnung derart auszubilden, daß schon bei verhältnismäßig geringen, durch Störung auftretenden Übersetzungsfehlern des Stromwandlers das Relais in Tätigkeit tritt. Ztt dieseln Zweck wird das Relais über einen besonderen Transformator erregt, dessen Primärwicklung aus einer trifilar gewickelten und mit den drei Stromphasen des 1leßfeldes verbundenen Spule besteht. Diese Anordnung hat den Vorteil, daß man beliebig dünnen Draht für die Sekundärwicklung des Transformators und der rnit dieser in Reihe geschalteten Relaiswicklung verwenden kann, so daß auch bei großer Empfindlichkeit des Relais irgendwelche Schwierigkeiten für die Unterbringung der Amperewinchingen nicht bestehen.The design of such a relay with a trifilar wound excitation coil but causes great difficulties in so far as the accommodation of the necessary Ainperewindungen on your relay magnet is not possible. Subject of the present The invention is now to design the arrangement in such a way that even when relatively minor translation errors of the current transformer caused by malfunction of the relay comes into action. For this purpose, the relay is via a special transformer energized, whose primary winding consists of a trifilar wound and with the three current phases the coil connected to the 1leßfeldes. This arrangement has the advantage that one any thin wire for the secondary winding of the transformer and that connected to it Can use series-connected relay winding, so that even with great sensitivity the relay any difficulties for placing amperewinchingen not pass.

Claims (1)

PATENT-ANSPRUCII: Selbsttätige Fehlermeldung für Meßfeldeinrichtungen nach Patent 304054, dadurch gekennzeichnet, daß das Relais von der Sekundärwicklung eines Transformators gespeist wird, dessen Primärwicklung aus einer trifilar gewickelten Spule besteht, an welcher die drei Stromphasen des 1leßfeldes angeschlossen sind.PATENT-ANSPRUCII: Automatic error message for measuring field devices according to patent 304054, characterized in that the relay from the secondary winding a transformer whose primary winding consists of a trifilar wound Coil exists to which the three current phases of the 1leßfeldes are connected.
DEA41980D 1924-04-10 1924-04-10 Automatic error message for measuring field devices Expired DE406266C (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DEA41980D DE406266C (en) 1924-04-10 1924-04-10 Automatic error message for measuring field devices

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DEA41980D DE406266C (en) 1924-04-10 1924-04-10 Automatic error message for measuring field devices

Publications (1)

Publication Number Publication Date
DE406266C true DE406266C (en) 1924-11-15

Family

ID=6932845

Family Applications (1)

Application Number Title Priority Date Filing Date
DEA41980D Expired DE406266C (en) 1924-04-10 1924-04-10 Automatic error message for measuring field devices

Country Status (1)

Country Link
DE (1) DE406266C (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1229183B (en) * 1960-06-11 1966-11-24 Philips Patentverwaltung Protection device against symmetrical and asymmetrical interference voltages in electronic display and recording devices based on the compensation principle

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1229183B (en) * 1960-06-11 1966-11-24 Philips Patentverwaltung Protection device against symmetrical and asymmetrical interference voltages in electronic display and recording devices based on the compensation principle

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