NL6903588A - CRUST-LOCK RELAY DETECTOR - Google Patents

CRUST-LOCK RELAY DETECTOR

Info

Publication number
NL6903588A
NL6903588A NL6903588A NL6903588A NL6903588A NL 6903588 A NL6903588 A NL 6903588A NL 6903588 A NL6903588 A NL 6903588A NL 6903588 A NL6903588 A NL 6903588A NL 6903588 A NL6903588 A NL 6903588A
Authority
NL
Netherlands
Prior art keywords
crust
lock relay
relay detector
detector
lock
Prior art date
Application number
NL6903588A
Other languages
Dutch (nl)
Inventor
Willy Andries
Marcee Vanderstraeten
Hulse Jacques Van
Original Assignee
Acec
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 Acec filed Critical Acec
Publication of NL6903588A publication Critical patent/NL6903588A/en

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
    • H02H3/44—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 the rate of change of electrical quantities
    • H02H3/445—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 the rate of change of electrical quantities of DC quantities
    • 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
    • H02H3/087—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 for dc applications
NL6903588A 1965-04-23 1969-03-07 CRUST-LOCK RELAY DETECTOR NL6903588A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
BE662938A BE662938A (en) 1965-04-23 1965-04-23 Relay for detecting short circuits on direct current traction lines
BE711792A BE711792A (en) 1965-04-23 1968-03-07 SHORT-CIRCUIT DETECTOR RELAY ON DIRECT CURRENT TRACTION LINES

Publications (1)

Publication Number Publication Date
NL6903588A true NL6903588A (en) 1969-09-09

Family

ID=59579324

Family Applications (1)

Application Number Title Priority Date Filing Date
NL6903588A NL6903588A (en) 1965-04-23 1969-03-07 CRUST-LOCK RELAY DETECTOR

Country Status (6)

Country Link
BE (2) BE662938A (en)
ES (2) ES325883A1 (en)
FR (2) FR1493443A (en)
IT (1) IT780548B (en)
NL (1) NL6903588A (en)
PL (1) PL58286B1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2449993A1 (en) * 1979-02-20 1980-09-19 Dechelette Gilles Electrical machines transient network fault protection - is by comparison of phase current variation and instantaneous values

Also Published As

Publication number Publication date
PL58286B1 (en) 1969-12-29
ES325883A1 (en) 1967-03-01
IT780548B (en) 1967-07-15
BE711792A (en) 1968-09-09
FR2003427A6 (en) 1969-11-07
FR1493443A (en) 1967-09-01
ES364452A2 (en) 1971-02-01
BE662938A (en) 1965-10-25

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