JPS4992534A - - Google Patents

Info

Publication number
JPS4992534A
JPS4992534A JP48104838A JP10483873A JPS4992534A JP S4992534 A JPS4992534 A JP S4992534A JP 48104838 A JP48104838 A JP 48104838A JP 10483873 A JP10483873 A JP 10483873A JP S4992534 A JPS4992534 A JP S4992534A
Authority
JP
Japan
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.)
Pending
Application number
JP48104838A
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 DE19722245605 external-priority patent/DE2245605C3/de
Priority claimed from DE19722258174 external-priority patent/DE2258174C3/de
Priority claimed from DE19732337372 external-priority patent/DE2337372C3/de
Application filed filed Critical
Publication of JPS4992534A publication Critical patent/JPS4992534A/ja
Pending legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H3/00—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection
    • H02H3/08—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection responsive to excess current
    • H02H3/093—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection responsive to excess current with timing means
    • H02H3/0935—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection responsive to excess current with timing means the timing being determined by numerical means
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H6/00—Emergency protective circuit arrangements responsive to undesired changes from normal non-electric working conditions using simulators of the apparatus being protected, e.g. using thermal images
    • H02H6/005—Emergency protective circuit arrangements responsive to undesired changes from normal non-electric working conditions using simulators of the apparatus being protected, e.g. using thermal images using digital thermal images
JP48104838A 1972-09-16 1973-09-17 Pending JPS4992534A (ja)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE19722245605 DE2245605C3 (de) 1972-09-16 Schaltungsanordnung zur Überwachung der Erwärmung von stromdurchflossenen Schützlingen
DE19722258174 DE2258174C3 (de) 1972-11-28 1972-11-28 Schaltungsanordnung zur Überwachung der Erwärmung von stromdurchflossenen Schützlingen
DE19732337372 DE2337372C3 (de) 1973-07-23 1973-07-23 Schaltungsanordnung zur Überwachung der Erwärmung von stromdurchflossenen Schützlingen

Publications (1)

Publication Number Publication Date
JPS4992534A true JPS4992534A (ja) 1974-09-04

Family

ID=27184713

Family Applications (1)

Application Number Title Priority Date Filing Date
JP48104838A Pending JPS4992534A (ja) 1972-09-16 1973-09-17

Country Status (4)

Country Link
JP (1) JPS4992534A (ja)
FR (1) FR2200657B1 (ja)
GB (1) GB1436861A (ja)
SE (1) SE396855B (ja)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH591776A5 (ja) * 1975-11-14 1977-09-30 Bbc Brown Boveri & Cie
US4442472A (en) * 1982-03-26 1984-04-10 Siemens-Allis, Inc. Solid state trip circuit with digital timer
US4513342A (en) * 1983-01-31 1985-04-23 General Electric Company Current-squared-time (i2 t) protection system
GB2140633A (en) * 1983-04-29 1984-11-28 Plessey Co Plc Load tripping circuits
US4571658A (en) * 1983-06-22 1986-02-18 S&C Electric Company Control circuit for a circuit interrupter

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH375071A (de) * 1960-02-03 1964-02-15 Bbc Brown Boveri & Cie Ein thermisches Abbild darstellende Schutzschaltung für ein elektrisches Gerät

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3019372A (en) * 1955-01-12 1962-01-30 Vickers Electrical Co Ltd Overheat electrical protection device
FR2029881A5 (ja) * 1969-01-29 1970-10-23 Comp Generale Electricite
US3601586A (en) * 1969-02-28 1971-08-24 Intelligent Instr Inc Thermal calculator

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH375071A (de) * 1960-02-03 1964-02-15 Bbc Brown Boveri & Cie Ein thermisches Abbild darstellende Schutzschaltung für ein elektrisches Gerät

Also Published As

Publication number Publication date
FR2200657A1 (ja) 1974-04-19
FR2200657B1 (ja) 1978-01-13
SE396855B (sv) 1977-10-03
GB1436861A (en) 1976-05-26

Similar Documents

Publication Publication Date Title
JPS4915008A (ja)
FR2200657B1 (ja)
JPS5139796B2 (ja)
JPS4953064A (ja)
JPS4947484A (ja)
AU475697B2 (ja)
FR2199415A5 (ja)
JPS5228684Y1 (ja)
JPS525013B2 (ja)
JPS5341946B2 (ja)
JPS5349437Y1 (ja)
JPS4994218A (ja)
JPS4970429U (ja)
JPS4912558U (ja)
JPS49100741U (ja)
BG18279A1 (ja)
CH1546772A4 (ja)
CH579633A5 (ja)
BG18005A1 (ja)
AU468333A (ja)
BG18156A1 (ja)
CH546009A (ja)
CH578538A5 (ja)
CH579525A5 (ja)
BG18306A1 (ja)