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DE287609C - - Google Patents

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Publication number
DE287609C
DE287609C DENDAT287609D DE287609DA DE287609C DE 287609 C DE287609 C DE 287609C DE NDAT287609 D DENDAT287609 D DE NDAT287609D DE 287609D A DE287609D A DE 287609DA DE 287609 C DE287609 C DE 287609C
Authority
DE
Germany
Prior art keywords
line
event
occurs
relays
switched
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.)
Active
Application number
DENDAT287609D
Other languages
German (de)
Publication of DE287609C publication Critical patent/DE287609C/de
Active legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02HEMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H3/00Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection
    • H02H3/16Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection responsive to fault current to earth, frame or mass
    • H02H3/17Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection responsive to fault current to earth, frame or mass by means of an auxiliary voltage injected into the installation to be protected

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Emergency Protection Circuit Devices (AREA)

Description

KAISERLICHESIMPERIAL

PATENTAMT.PATENT OFFICE.

Um in Freileitungsnetzen, besonders Hochspannungsnetzen, bei Drahtbruch in einer Leitung ein sofortiges Abschalten des betreffenden Leitungsstranges zu bewirken, werden gemäß der Erfindung die Sammelschienen der Zentrale über eine unabhängige Stromquelle/ z. B. Gleichstrom (zweckmäßig unter Zwischenschaltung von Drosselspulen) oder Wechselstrom anderer Frequenz als der Netzfrequenz,In order to use overhead line networks, especially high-voltage networks, in the event of a wire break in a line, the relevant line is switched off immediately To effect line harness, the busbars are according to the invention Central via an independent power source / z. B. direct current (expediently with interposition of reactors) or alternating current with a frequency other than the mains frequency,

ίο an Erde gelegt und in jede der abgehenden Freileitungen, also bei Drehstrom in jede Phase, Relais eingeschaltet, die bei Durchgang des betreffenden Fremdstromes ansprechen und einen Kontakt für den Ausschaltmechanismus des zugehörigen ölschalters schließen, so daß eine Abschaltung des betreffenden Leitungsstranges erfolgt. ίο placed on earth and in each of the outgoing Overhead lines, i.e. with three-phase current in each phase, relays switched on, those with passage of the relevant external current respond and a contact for the switch-off mechanism of the associated oil switch close so that the relevant wiring harness is switched off.

Eine Schaltungsanordnung für Hochspannungsdrehstromnetze unter Verwendung einerA circuit arrangement for high-voltage three-phase networks using a

ao Gleichstromspannung als unabhängige Stromquelle ist aus der Zeichnung näher zu ersehen. Es bezeichnen a, b und c die drei Sammelschienen, die z. B. über einen als Drosselspule dienenden künstlichen Nullpunkt d und eine Gleichstromspannung e an Erde gelegt sind, f ist ein Schalter, auf dessen Auslösemechanismus g die drei Relais h, i, k einwirken können. Die Relais sind so einge- · richtet, daß sie nur auf Gleichstrom ansprechen. ao DC voltage as an independent power source can be seen in more detail in the drawing. It denotes a, b and c the three busbars that z. B. via an artificial zero point d serving as a choke coil and a direct current voltage e are connected to earth, f is a switch on whose trigger mechanism g the three relays h, i, k can act. The relays are set up so that they only respond to direct current.

Tritt in einer der Leitungen, z. B. Leitung I, durch Drahtbruch Erdschluß ein, so bildet sich ein Gleichstromkreis: Erde, Gleichstromspannung β, Drosselspule d, Sammelschiene a, Schalter f, Relais h über Leitung I zur Erde. Das Relais h spricht an und gibt für den Auslösemechanismus von f Kontakt, so daß letzterer Schalter die zugehörige Freileitung abschaltet.Occurs in one of the lines, e.g. B. Line I, due to a broken wire earth fault, a direct current circuit is formed: earth, direct current voltage β, choke coil d, busbar a, switch f, relay h via line I to earth. The relay h responds and is for the trigger mechanism of f contact, so that the latter switch disconnects the associated overhead line.

Claims (1)

Patent-Anspruch:Patent claim: Schutzeinrichtung für Freileitungsnetze bei Leitungsbruch, dadurch gekennzeichnet, daß die Sammelschienen der Zentrale über eine unabhängige Stromquelle an Erde gelegt und in jeder Phase eines jeden Freileitungsabzweiges Relais eingeschaltet sind, die nur bei Durchgang des betreffenden Fremdstromes ansprechen, so daß sie bei eintretendem Drahtbruch und damit erfolgter Erdung einer Leitung die Auslö' sung des zugehörigen Schalters bewirken.Protective device for overhead line networks in the event of a line break, characterized in that that the busbars of the control center are connected to earth via an independent power source and relays are switched on in each phase of each overhead line branch, which only occurs when the relevant branch passes through External current, so that it occurs in the event of a wire break and thus a Earthing a line will trigger the associated switch. Hierzu ι Blatt Zeichnungen.For this purpose ι sheet of drawings.
DENDAT287609D Active DE287609C (en)

Publications (1)

Publication Number Publication Date
DE287609C true DE287609C (en)

Family

ID=542816

Family Applications (1)

Application Number Title Priority Date Filing Date
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Country Status (1)

Country Link
DE (1) DE287609C (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE955070C (en) * 1953-06-21 1956-12-27 Siemens Ag Protection circuit for electrical consumer systems, especially lighting systems in underground operations
DE1271824B (en) * 1965-08-23 1968-07-04 Licentia Gmbh Insulation measuring device for an unearthed, operating AC or three-phase network

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE955070C (en) * 1953-06-21 1956-12-27 Siemens Ag Protection circuit for electrical consumer systems, especially lighting systems in underground operations
DE1271824B (en) * 1965-08-23 1968-07-04 Licentia Gmbh Insulation measuring device for an unearthed, operating AC or three-phase network

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