DE501103C - Device for the selective shutdown of electrical lines - Google Patents

Device for the selective shutdown of electrical lines

Info

Publication number
DE501103C
DE501103C DES88057D DES0088057D DE501103C DE 501103 C DE501103 C DE 501103C DE S88057 D DES88057 D DE S88057D DE S0088057 D DES0088057 D DE S0088057D DE 501103 C DE501103 C DE 501103C
Authority
DE
Germany
Prior art keywords
electrical lines
different
selective shutdown
magnets
excited
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
DES88057D
Other languages
German (de)
Inventor
Dipl-Ing Robert Pottiez
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 Schuckertwerke AG
Siemens Corp
Original Assignee
Siemens Schuckertwerke AG
Siemens Corp
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 Schuckertwerke AG, Siemens Corp filed Critical Siemens Schuckertwerke AG
Priority to DES88057D priority Critical patent/DE501103C/en
Application granted granted Critical
Publication of DE501103C publication Critical patent/DE501103C/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H85/00—Protective devices in which the current flows through a part of fusible material and this current is interrupted by displacement of the fusible material when this current becomes excessive
    • H01H85/02—Details
    • H01H85/46—Circuit arrangements not adapted to a particular application of the protective device
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H85/00—Protective devices in which the current flows through a part of fusible material and this current is interrupted by displacement of the fusible material when this current becomes excessive
    • H01H85/02—Details
    • H01H85/38—Means for extinguishing or suppressing arc
    • H01H2085/386—Means for extinguishing or suppressing arc with magnetic or electrodynamic arc-blowing

Landscapes

  • Fuses (AREA)

Description

Einrichtung zur selektiven Abschaltung elektrischer Leitungsstrecken Gegenstand der Erfindung ist eine Einrichtung zur selektiven Abschaltung elektrischer Leitungsstrecken. Die Abschaltung der Leitungsstrecken erfolgt in an sich bekannter Weise mittels Schmelzdrähten, die vom Strom durchflossen sind und in einem magnetischen Feld liegen. Infolge der elektromagnetischen Kraftwirkung des Feldes wird der Schmelzdraht vor dem vollständigen Abschmelzen zerrissen und der Lichtbogen ausgeblasen.Device for the selective disconnection of electrical lines The invention relates to a device for the selective disconnection of electrical Line sections. The line sections are switched off in a manner known per se Way by means of fusible wires, which are traversed by the current and in a magnetic Field. As a result of the electromagnetic force of the field, the fusible wire becomes Torn before complete melting and the arc blown out.

Nach der Erfindung wird eine Selektivität dadurch erzielt, daß die Schmelzdrähte verschiedener Leitungsstrecken sich in Feldern verschiedener Stärke befinden.According to the invention, selectivity is achieved in that the Fusible wires of different lines are in fields of different strengths are located.

Die verschiedene Feldstärke für die einzelnen Schmelzdrähte kann dadurch erzielt werden, daß sich diese im Feld von Magneten mit verschieden hoher Eisensättigung oder verschieden hohem Luftspalt befinden.The different field strengths for the individual fuse wires can thereby can be achieved that these are in the field of magnets with different levels of iron saturation or air gap of different heights.

Die Felder, in denen sich die Schmelzdrähte befinden, können vom Leitungsstrom erzeugt werden. Derartige Sicherungen, bei denen die Abschaltgeschwindigkeit durch Anordnung eines Schmelzdrahtes in einem Magnetfeld erhöht wird, das eine im gleichen Stromkreis wie der Schmelzdraht liegende Spule erregt, sind bereits bekannt: Durch die Anwendung der Spulen tritt dabei der Vorteil auf, daß die Stromhöhe durch deren Drosselwirkung stark begrenzt wird.The fields in which the fuse wires are located can come from the line current be generated. Such fuses, in which the shutdown speed by Placement of a fuse wire in a magnetic field is increased, one in the same Circuit how the fusible wire coil is excited are already known: By the use of the coils has the advantage that the current level through their Choke effect is severely limited.

Mit der Einrichtung nach der Erfindung ist eine einfache Zeitstaffelung der Abschaltung in den einzelnen Abschaltpunkten eines Netzes möglich.With the device according to the invention there is a simple time staggering disconnection possible at the individual disconnection points of a network.

Claims (3)

PATENTANSPRÜCHE: i. Einrichtung zur selektiven Abschaltung elektrischer Leitungsstrecken, dadurch gekennzeichnet, daß in den einzelnen Leitungsstrecken Schmelzdrähte angeordnet sind, die in magnetischen Feldern verschiedener Stärke liegen. PATENT CLAIMS: i. Device for selective disconnection of electrical Line sections, characterized in that in the individual line sections Fusible wires are arranged in magnetic fields of different strengths lie. 2. Einrichtungnach Anspruch i, dadurch gekennzeichnet, daß,die Magnetfelder vom Leitungsstrom erregt werden. 2. Device according to claim i, characterized in that the magnetic fields are excited by the line current. 3. Einrichtung nach Anspruch i oder 2, dadurch gekennzeichnet, daß die Felder durch Magnete verschieden hoher Sättigung erregt werden. q.. Einrichtung nach Anspruch i-, 2 oder 3, dadurch gekennzeichnet, daß die Schmelzdrähte im Feld von Magneten mit verschieden großem Luftspalt liegen.3. Device according to claim i or 2, characterized characterized in that the fields are excited by magnets of different levels of saturation will. q .. Device according to claim i-, 2 or 3, characterized in that the fusible wires lie in the field of magnets with air gaps of different sizes.
DES88057D 1928-10-21 1928-10-21 Device for the selective shutdown of electrical lines Expired DE501103C (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DES88057D DE501103C (en) 1928-10-21 1928-10-21 Device for the selective shutdown of electrical lines

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DES88057D DE501103C (en) 1928-10-21 1928-10-21 Device for the selective shutdown of electrical lines

Publications (1)

Publication Number Publication Date
DE501103C true DE501103C (en) 1930-06-28

Family

ID=7514204

Family Applications (1)

Application Number Title Priority Date Filing Date
DES88057D Expired DE501103C (en) 1928-10-21 1928-10-21 Device for the selective shutdown of electrical lines

Country Status (1)

Country Link
DE (1) DE501103C (en)

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