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DE430629C - Arrangement for the selective shutdown of station short circuits - Google Patents

Arrangement for the selective shutdown of station short circuits

Info

Publication number
DE430629C
DE430629C DEV20429D DEV0020429D DE430629C DE 430629 C DE430629 C DE 430629C DE V20429 D DEV20429 D DE V20429D DE V0020429 D DEV0020429 D DE V0020429D DE 430629 C DE430629 C DE 430629C
Authority
DE
Germany
Prior art keywords
station
arrangement
relays
short circuits
station short
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
DEV20429D
Other languages
German (de)
Inventor
Dipl-Ing Max Mueller
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.)
Voigt and Haeffner AG
Original Assignee
Voigt and Haeffner 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 Voigt and Haeffner AG filed Critical Voigt and Haeffner AG
Priority to DEV20429D priority Critical patent/DE430629C/en
Application granted granted Critical
Publication of DE430629C publication Critical patent/DE430629C/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H7/00—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions
    • H02H7/22—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for distribution gear, e.g. bus-bar systems; for switching devices

Landscapes

  • Interface Circuits In Exchanges (AREA)
  • Emergency Protection Circuit Devices (AREA)
  • Direct Current Feeding And Distribution (AREA)

Description

DEUTSCHES REICHGERMAN EMPIRE

AUSGEGEBENAM
26. JUN11926ISSUED
26 JUN11926

REICHSPATENTAMTREICH PATENT OFFICE

PATENTSCHRIFTPATENT LETTERING

KLASSE 21c GRUPPECLASS 21c GROUP

(V2042g VIII/2IC*)(V2042g VIII / 2IC *)

Voigt & Haeffner Akt.-Ges. in Frankfurt a. M.*).Voigt & Haeffner Akt.-Ges. in Frankfurt a. M. *).

Anordnung zum selektiven Abschalten von Stationskurzschlüssen.Arrangement for the selective shutdown of station short-circuits.

Patentiert im Deutschen Reiche vom 18. Juli1925 ab.Patented in the German Empire on July 18, 1925.

Die Erfindung zeigt eine Anordnung, um die für den Schutz von Leitungsstrecken bestimmten Überstrom- und Stromrichtungsrelais auch für den Stationsschutz verwenden zu können. Erreicht wird dies dadurch, daß die Stromrichtungsrelais, wenn sie bei Überstrom einen der Station zufließenden Strom anzeigen, je ein Hilfsrelais zum Ansprechen bringen, das einen Schalter schließt. Sämtliche so betätigten Schalter einer Station liegenThe invention shows an arrangement around those intended for the protection of line sections Overcurrent and current direction relays can also be used for station protection. This is achieved in that the current direction relay, if, in the event of an overcurrent, they cause a current flowing to the station display, each trigger an auxiliary relay that closes a switch. All so operated switch of a station lie

*) Von dem Patentsucher ist als der Erfinder angegeben worden:*) The patent seeker stated as the inventor:

Dipl.-Ing. Max Müller in Frankfurt a. M.Dipl.-Ing. Max Müller in Frankfurt a. M.

in Reihe in einem Hilfsstromkreis, so daß dieser nur dann geschlossen ist, wenn alle Stromrichtungsrelais der Station auf Zufluß stehen und alle Überstromrelais durch ihr Ansprechen anzeigen, daß der höchst zulässige Betriebsstrom von der Station überschritten ist, also ein Stationskurzschluß vorhanden ist. In diesem Falle werden durch den Hilfsstromkreis sämtliche Netzschalter der Stationin series in an auxiliary circuit, so that this is only closed when all The station's directional relay is on and all overcurrent relays are connected to it A response indicates that the maximum permissible operating current from the station has been exceeded is, so there is a short-circuit in the station. In this case the auxiliary circuit all power switches of the station

ίο abgeschaltet.ίο switched off.

Das Schaltungsschema zeigt ein erfindungsgemäß angeordnetes Schutzsystem für eine Station mit beispielsweise drei Netzleitungen I, II und III. a1, a2, as sind die Überstromrelais, b1, b2, bs die Stromrichtungsrelaisj c1, c2, cB sind Hilfsrelais, die ansprechen, wenn die Stromrichtungsrelais zufließenden Strom anzeigen, d ist ein Schließungsrelais, e1, e2, e% sind die Auslösespulen der Netzschalter f1, p, /3. Tritt in der Station ein Kurzschluß ein, so sprechen alle Überstromrelais a1, a2, as an. Hierdurch werden die Stromrichtungsrelais b1, b2, b& betätigt, und da sie zufließenden Strom anzeigen, wird der Kontakt Z (Zufluß) geschlossen. Die Hilfsrelais c1, cz, c3 erhalten Strom und schließen einen Stromkreis, in dem das Relais d liegt. Durch Ansprechen des letzteren erhalten die Auslösespulen e1, e2, e3 Strom und schalten die Netzschalter Z1,/2,/3 ab. Ist ein Kurzschluß in einer angrenzenden Netzleitung, so steht mindestens ein Stromrichtungsrelais auf Abfluß, ein Abschalten der Station kann nicht erfolgen. The circuit diagram shows a protection system arranged according to the invention for a station with, for example, three power lines I, II and III. a 1 , a 2 , a s are the overcurrent relays, b 1 , b 2 , b s the current direction relays j c 1 , c 2 , c B are auxiliary relays that respond when the current direction relays indicate incoming current, d is a closing relay, e 1 , e 2 , e % are the tripping coils of the mains switch f 1 , p, / 3 . If a short circuit occurs in the station, all overcurrent relays a 1 , a 2 , a s respond. As a result, the current direction relays b 1 , b 2 , b & are actuated, and since they indicate the incoming current, the contact Z (inflow) is closed. The auxiliary relays c 1 , c z , c 3 receive power and close a circuit in which the relay d is located. When the latter responds, the tripping coils e 1 , e 2 , e 3 receive current and switch off the power switches Z 1 , / 2 , / 3 . If there is a short circuit in an adjacent power line, at least one current direction relay is on drain, and the station cannot be switched off.

Claims (1)

Patent-Anspruch:Patent claim: Anordnung zum selektiven Abschalten von Stationskurzschlüssen unter Verwendung der für den Streckenschutz bestimmten Stromrichtungsrelais, die von den zugehörigen Überstromrelais in den Strecken eingeschaltet werden, dadurch gekennzeichnet, daß die Zufluß zeigenden Stromrichtungsrelais einer Station durch Betätigung eines Relais Hilfsschalter schließen, die in Reihe in einem Stromkreis liegen, der in Schlußstellung aller Hilfsschalter sämtliche Schalter1 der Station auslöstArrangement for the selective disconnection of station short-circuits using the current direction relays intended for line protection, which are switched on by the associated overcurrent relays in the lines, characterized in that the flow-showing directional relays of a station close by actuating a relay auxiliary switches which are in series in a circuit which triggers all switches 1 of the station in the final position of all auxiliary switches
DEV20429D 1925-07-18 1925-07-18 Arrangement for the selective shutdown of station short circuits Expired DE430629C (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DEV20429D DE430629C (en) 1925-07-18 1925-07-18 Arrangement for the selective shutdown of station short circuits

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DEV20429D DE430629C (en) 1925-07-18 1925-07-18 Arrangement for the selective shutdown of station short circuits

Publications (1)

Publication Number Publication Date
DE430629C true DE430629C (en) 1926-06-26

Family

ID=7578528

Family Applications (1)

Application Number Title Priority Date Filing Date
DEV20429D Expired DE430629C (en) 1925-07-18 1925-07-18 Arrangement for the selective shutdown of station short circuits

Country Status (1)

Country Link
DE (1) DE430629C (en)

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