GB294549A - Improvements relating to apparatus for the limitation of high short-circuit electric currents - Google Patents

Improvements relating to apparatus for the limitation of high short-circuit electric currents

Info

Publication number
GB294549A
GB294549A GB21516/28A GB2151628A GB294549A GB 294549 A GB294549 A GB 294549A GB 21516/28 A GB21516/28 A GB 21516/28A GB 2151628 A GB2151628 A GB 2151628A GB 294549 A GB294549 A GB 294549A
Authority
GB
United Kingdom
Prior art keywords
resistances
currents
circuit
short
limitation
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
GB21516/28A
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
Publication of GB294549A publication Critical patent/GB294549A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01C—RESISTORS
    • H01C1/00—Details
    • H01C1/14—Terminals or tapping points specially adapted for resistors; Arrangements of terminals or tapping points on resistors
    • H01C1/1406—Terminals or electrodes formed on resistive elements having positive temperature coefficient
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01C—RESISTORS
    • H01C7/00—Non-adjustable resistors formed as one or more layers or coatings; Non-adjustable resistors made from powdered conducting material or powdered semi-conducting material with or without insulating material
    • H01C7/02—Non-adjustable resistors formed as one or more layers or coatings; Non-adjustable resistors made from powdered conducting material or powdered semi-conducting material with or without insulating material having positive temperature coefficient
    • 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
    • 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
    • H02H9/026—Current limitation using PTC resistors, i.e. resistors with a large positive temperature coefficient

Landscapes

  • Engineering & Computer Science (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Power Engineering (AREA)
  • Ceramic Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Emergency Protection Circuit Devices (AREA)
GB21516/28A 1927-07-25 1928-07-25 Improvements relating to apparatus for the limitation of high short-circuit electric currents Expired GB294549A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE657424X 1927-07-25
DE294549X 1927-07-25

Publications (1)

Publication Number Publication Date
GB294549A true GB294549A (en) 1930-01-27

Family

ID=65277826

Family Applications (1)

Application Number Title Priority Date Filing Date
GB21516/28A Expired GB294549A (en) 1927-07-25 1928-07-25 Improvements relating to apparatus for the limitation of high short-circuit electric currents

Country Status (3)

Country Link
FR (1) FR657424A (enExample)
GB (1) GB294549A (enExample)
NL (1) NL24633C (enExample)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0713228A1 (de) * 1994-11-19 1996-05-22 ABB Management AG Vorrichtung zur Strombegrenzung
EP0713227A1 (de) * 1994-11-19 1996-05-22 ABB Management AG Kaltleiter und Vorrichtung zur Strombegrenzung mit mindestens einem Kaltleiter

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2219562B1 (enExample) * 1973-02-26 1977-02-04 Ducellier & Cie
NL8001452A (nl) * 1980-03-12 1981-10-01 Philips Nv Beveiligde stroommeetschakeling.

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0713228A1 (de) * 1994-11-19 1996-05-22 ABB Management AG Vorrichtung zur Strombegrenzung
EP0713227A1 (de) * 1994-11-19 1996-05-22 ABB Management AG Kaltleiter und Vorrichtung zur Strombegrenzung mit mindestens einem Kaltleiter
US5796568A (en) * 1994-11-19 1998-08-18 Asea Brown Boveri Ag Current limiter device
US6094129A (en) * 1994-11-19 2000-07-25 Daimlerchrysler Ag PTC thermistor and a current limiter device having at least one PTC thermistor

Also Published As

Publication number Publication date
NL24633C (enExample) 1900-01-01
FR657424A (fr) 1929-05-22

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