AT38340B - Overcurrent time switch for alternating current. - Google Patents

Overcurrent time switch for alternating current.

Info

Publication number
AT38340B
AT38340B AT38340DA AT38340B AT 38340 B AT38340 B AT 38340B AT 38340D A AT38340D A AT 38340DA AT 38340 B AT38340 B AT 38340B
Authority
AT
Austria
Prior art keywords
alternating current
time switch
overcurrent time
coil
overcurrent
Prior art date
Application number
Other languages
German (de)
Original Assignee
Aeg
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
Priority claimed from DE1908202071D external-priority patent/DE202071C/de
Application filed by Aeg filed Critical Aeg
Application granted granted Critical
Publication of AT38340B publication Critical patent/AT38340B/en

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Description

  

   <Desc/Clms Page number 1> 
 



  Obarstromzeitschalter für Wechselstrom. 
 EMI1.1 
 spannungsstrom durchflossenen Zeitschaltern, welche infolge einer im   Nebenschluss   zur   Auslöse-   spule liegenden Sicherung eine mit zunehmendem   Auslösestrom   kürzer werdende   Ausschalt-   
 EMI1.2 
 bei Anwendung äusserster Vorsicht möglich, die bei Überstrom   durchgeschmolzene   Sicherung zu ersetzen. 



   Durch vorliegende Verbesserung wird nun die betriebsmässige Wiedereinstellung des Zeitschalters dadurch völlig gefahrlos gemacht, dass eine bei bestimmter Temperaturerhöhung in Wirksamkeit tretende Vorrichtung (Sicherung, Hitzdrahtrelais o. dgl.) nicht parallel zu der vom   Hochspannungsstrom   durchflossenen Spule angeordnet ist, sondern eine 
 EMI1.3 
 schliesst. 



   Wie die Zeichnung zeigt, besitzt der Auslöseelektromagnet a zwei übereinandergewickelte Spulen b und c, von denen die eine vom Hochspannungsstrom durchflossene Spule b die Primärspule und die zweite Spule c die Sekundärspule eines   Stromtraus-   
 EMI1.4 
 dass ein merklicher magnetischer   Kraftfluss   im   Magneteisen   nicht auftritt. Erhöht sich dagegen infolge auftretenden Überstromes auch die Stromstärke der Sekundärspule, so 
 EMI1.5 
 kann auch ein Hitzdrahtrelais oder eine andere geeignete Vorrichtung zum Kurzschluss der Sekundärspule benutzt werden. 

**WARNUNG** Ende DESC Feld kannt Anfang CLMS uberlappen**.



   <Desc / Clms Page number 1>
 



  Bar current time switch for alternating current.
 EMI1.1
 voltage current flowing through time switches, which as a result of a fuse lying in the shunt of the trip coil, a breaking with increasing tripping current becomes shorter
 EMI1.2
 With extreme caution it is possible to replace the fuse that has blown in the event of an overcurrent.



   The present improvement now makes the operational resetting of the timer completely safe in that a device (fuse, hot wire relay or the like) that comes into effect at a certain temperature increase is not arranged parallel to the coil through which the high-voltage current flows, but rather a
 EMI1.3
 closes.



   As the drawing shows, the tripping electromagnet a has two coils b and c wound on top of each other, of which one coil b, through which the high-voltage current flows, is the primary coil and the second coil c is the secondary coil of a power supply.
 EMI1.4
 that there is no noticeable magnetic flux in the magnet iron. If, on the other hand, the current intensity of the secondary coil increases as a result of the overcurrent occurring, see
 EMI1.5
 A hot wire relay or other suitable device can also be used to short-circuit the secondary coil.

** WARNING ** End of DESC field may overlap beginning of CLMS **.

Claims (1)

PATENT-ANSPRUCH : Überstromzeitschalter für Wechselstrom, dadurch gekennzeichnet, dass der Auslösomagnet eine Primär- und Sekundärwicklung besitzt, von denen die Primärwicklung vom Betriebsstrom durchflossen wird, während die Sekundärspule durch eine durch Temperaturerhöhung EMI1.6 damit verbundene Verstärkung des magnetischen Kraftflusses der Auslösemagnet zur Wirksamkeit gebracht wird. EMI1.7 **WARNUNG** Ende CLMS Feld Kannt Anfang DESC uberlappen**. PATENT CLAIM: Overcurrent time switch for alternating current, characterized in that the tripping magnet has a primary and secondary winding, of which the primary winding is traversed by the operating current, while the secondary coil by a temperature increase EMI1.6 associated amplification of the magnetic flux of force of the trigger magnet is brought into effect. EMI1.7 ** WARNING ** End of CLMS field may overlap beginning of DESC **.
AT38340D 1908-03-12 1908-10-30 Overcurrent time switch for alternating current. AT38340B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE1908202071D DE202071C (en) 1908-03-12

Publications (1)

Publication Number Publication Date
AT38340B true AT38340B (en) 1909-08-10

Family

ID=5769619

Family Applications (1)

Application Number Title Priority Date Filing Date
AT38340D AT38340B (en) 1908-03-12 1908-10-30 Overcurrent time switch for alternating current.

Country Status (1)

Country Link
AT (1) AT38340B (en)

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