GB632843A - Improvements relating to current limiters for direct and alternating current mains - Google Patents

Improvements relating to current limiters for direct and alternating current mains

Info

Publication number
GB632843A
GB632843A GB7679/49A GB767949A GB632843A GB 632843 A GB632843 A GB 632843A GB 7679/49 A GB7679/49 A GB 7679/49A GB 767949 A GB767949 A GB 767949A GB 632843 A GB632843 A GB 632843A
Authority
GB
United Kingdom
Prior art keywords
impedance
circuit
switch
initiation
shunted
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
GB7679/49A
Other languages
English (en)
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority claimed from US687625A external-priority patent/US2619563A/en
Publication of GB632843A publication Critical patent/GB632843A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H9/00—Emergency protective circuit arrangements for limiting excess current or voltage without disconnection
    • H02H9/02—Emergency protective circuit arrangements for limiting excess current or voltage without disconnection responsive to excess current
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H50/00—Details of electromagnetic relays
    • H01H50/16—Magnetic circuit arrangements
    • H01H50/18—Movable parts of magnetic circuits, e.g. armature
    • H01H50/20—Movable parts of magnetic circuits, e.g. armature movable inside coil and substantially lengthwise with respect to axis thereof; movable coaxially with respect to coil
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H77/00—Protective overload circuit-breaking switches operated by excess current and requiring separate action for resetting
    • H01H77/02—Protective overload circuit-breaking switches operated by excess current and requiring separate action for resetting in which the excess current itself provides the energy for opening the contacts, and having a separate reset mechanism
    • H01H77/06—Protective overload circuit-breaking switches operated by excess current and requiring separate action for resetting in which the excess current itself provides the energy for opening the contacts, and having a separate reset mechanism with electromagnetic opening
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
    • H01H9/54—Circuit arrangements not adapted to a particular application of the switching device and for which no provision exists elsewhere
    • H01H9/56—Circuit arrangements not adapted to a particular application of the switching device and for which no provision exists elsewhere for ensuring operation of the switch at a predetermined point in the ac cycle

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Arc-Extinguishing Devices That Are Switches (AREA)
  • Emergency Protection Circuit Devices (AREA)
  • Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)
GB7679/49A 1945-08-07 1946-07-23 Improvements relating to current limiters for direct and alternating current mains Expired GB632843A (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
CH632794X 1945-08-07
US687625A US2619563A (en) 1945-08-07 1946-08-01 Electromagnetic control device
US259993A US2639357A (en) 1945-08-07 1951-12-05 Current limiting apparatus

Publications (1)

Publication Number Publication Date
GB632843A true GB632843A (en) 1949-12-05

Family

ID=32302821

Family Applications (2)

Application Number Title Priority Date Filing Date
GB21970/46A Expired GB632794A (en) 1945-08-07 1946-07-23 Improvements in or relating to electric circuit breakers
GB7679/49A Expired GB632843A (en) 1945-08-07 1946-07-23 Improvements relating to current limiters for direct and alternating current mains

Family Applications Before (1)

Application Number Title Priority Date Filing Date
GB21970/46A Expired GB632794A (en) 1945-08-07 1946-07-23 Improvements in or relating to electric circuit breakers

Country Status (7)

Country Link
US (1) US2639357A (de)
BE (1) BE467116A (de)
CH (2) CH282851A (de)
DE (1) DE862470C (de)
FR (1) FR931542A (de)
GB (2) GB632794A (de)
NL (1) NL186333B (de)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2767279A (en) * 1952-01-25 1956-10-16 North Electric Co Electromagnetic relay
DE1056249B (de) * 1952-10-18 1959-04-30 Calor Emag Elektrizitaets Ag Einrichtung zur Schnellunterbrechung von Kurzschlussstroemen
DE1052531B (de) * 1955-01-26 1959-03-12 Calor Emag Elektrizitaets Ag Schalteinrichtung mit einer axialsymmetrisch an einer Drehstabfeder sitzenden Kontaktbruecke
DE1033799B (de) * 1955-04-19 1958-07-10 Licentia Gmbh Einrichtung zum Schutz von Senderoehren
US2856483A (en) * 1955-10-07 1958-10-14 Clare & Co C P Polarized relay
DE1116787B (de) * 1956-02-08 1961-11-09 Siemens Ag Strombegrenzer in Form eines Gleitwiderstandes
DE1138147B (de) * 1956-05-11 1962-10-18 Siemens Ag Schutzeinrichtung mit Strombegrenzer
US3191016A (en) * 1959-01-13 1965-06-22 Scott Paper Co Analog computer
DE1192731B (de) * 1962-03-27 1965-05-13 Licentia Gmbh Selbstschalter mit mehreren in Reihe liegenden Trennstellen
US3452172A (en) * 1965-07-12 1969-06-24 Siemens Ag Current limiting circuit breaker
US3617765A (en) * 1968-04-16 1971-11-02 Allis Chalmers Mfg Co Variable closing resistor
US3538278A (en) * 1968-06-13 1970-11-03 Gen Electric High voltage electric circuit breaker
US3538277A (en) * 1968-06-13 1970-11-03 Gen Electric High voltage circuit breaker with resistance means
US4568907A (en) * 1982-08-27 1986-02-04 General Electric Company Low inductance resistor for high current limitation
DE10261994A1 (de) * 2002-01-30 2004-02-05 Abb Patent Gmbh Selektivschutzschalter und Verfahren zur selektiven Kurzschlussstromabschaltung
DE202016007195U1 (de) 2016-11-16 2017-11-17 Bernhard Kohler Strombegrenzende Schalteinrichtung

Also Published As

Publication number Publication date
GB632794A (en) 1949-12-05
CH282851A (de) 1952-05-15
CH262898A (de) 1949-07-31
US2639357A (en) 1953-05-19
FR931542A (fr) 1948-02-25
DE862470C (de) 1953-01-12
BE467116A (de)
NL186333B (nl)

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