GB250986A - Improvements in and relating to electric circuit controllers - Google Patents

Improvements in and relating to electric circuit controllers

Info

Publication number
GB250986A
GB250986A GB10385/26A GB1038526A GB250986A GB 250986 A GB250986 A GB 250986A GB 10385/26 A GB10385/26 A GB 10385/26A GB 1038526 A GB1038526 A GB 1038526A GB 250986 A GB250986 A GB 250986A
Authority
GB
United Kingdom
Prior art keywords
shunt
circuit
conductor
breaker
flux
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
GB10385/26A
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.)
British Thomson Houston Co Ltd
Original Assignee
British Thomson Houston Co Ltd
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 British Thomson Houston Co Ltd filed Critical British Thomson Houston Co Ltd
Publication of GB250986A publication Critical patent/GB250986A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H71/00—Details of the protective switches or relays covered by groups H01H73/00 - H01H83/00
    • H01H71/74—Means for adjusting the conditions under which the device will function to provide protection
    • H01H71/7463—Adjusting only the electromagnetic mechanism
    • 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
    • H02H9/001—Emergency protective circuit arrangements for limiting excess current or voltage without disconnection limiting speed of change of electric quantities, e.g. soft switching on or off
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H71/00—Details of the protective switches or relays covered by groups H01H73/00 - H01H83/00
    • H01H71/74—Means for adjusting the conditions under which the device will function to provide protection
    • H01H2071/749—Means for adjusting the conditions under which the device will function to provide protection with a shunt element connected in parallel to magnetic or thermal trip elements, e.g. for adjusting trip current

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Control Of Voltage And Current In General (AREA)
  • Emergency Protection Circuit Devices (AREA)
  • Breakers (AREA)
GB10385/26A 1925-04-20 1926-04-20 Improvements in and relating to electric circuit controllers Expired GB250986A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US24436A US1706124A (en) 1925-04-20 1925-04-20 Circuit controller

Publications (1)

Publication Number Publication Date
GB250986A true GB250986A (en) 1926-11-18

Family

ID=21820575

Family Applications (1)

Application Number Title Priority Date Filing Date
GB10385/26A Expired GB250986A (en) 1925-04-20 1926-04-20 Improvements in and relating to electric circuit controllers

Country Status (4)

Country Link
US (1) US1706124A (de)
DE (1) DE477692C (de)
FR (2) FR605485A (de)
GB (1) GB250986A (de)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2464377A (en) * 1946-06-20 1949-03-15 F W Sickles Company Pi type resistance capacitance filter unit
US2555689A (en) * 1947-05-15 1951-06-05 Joy Mfg Co Spark limiting control circuits

Also Published As

Publication number Publication date
DE477692C (de) 1929-06-13
FR31818E (fr) 1927-06-13
US1706124A (en) 1929-03-19
FR605485A (fr) 1926-05-27

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