BE679954A - - Google Patents

Info

Publication number
BE679954A
BE679954A BE679954DA BE679954A BE 679954 A BE679954 A BE 679954A BE 679954D A BE679954D A BE 679954DA BE 679954 A BE679954 A BE 679954A
Authority
BE
Belgium
Application number
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 filed Critical
Publication of BE679954A publication Critical patent/BE679954A/xx

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
    • H01H71/10—Operating or release mechanisms
    • H01H71/12—Automatic release mechanisms with or without manual release
    • H01H71/24—Electromagnetic mechanisms
    • H01H71/2445—Electromagnetic mechanisms using a reed switch
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H1/00—Details of emergency protective circuit arrangements
    • H02H1/0038—Details of emergency protective circuit arrangements concerning the connection of the detecting means, e.g. for reducing their number
    • H02H1/0053—Means for storing the measured quantities during a predetermined time
    • 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
    • H02H3/02—Details
    • H02H3/06—Details with automatic reconnection
    • H02H3/066—Reconnection being a consequence of eliminating the fault which caused disconnection
    • 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
    • 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
    • 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
    • H02H3/20—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 voltage
    • 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
    • H02H3/24—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 undervoltage or no-voltage

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Relay Circuits (AREA)
  • Dc-Dc Converters (AREA)
BE679954D 1965-04-23 1966-04-22 BE679954A (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB17291/65A GB1142783A (en) 1965-04-23 1965-04-23 Improvements relating to protective arrangements including electric level-responsive circuits

Publications (1)

Publication Number Publication Date
BE679954A true BE679954A (de) 1966-10-03

Family

ID=10092620

Family Applications (1)

Application Number Title Priority Date Filing Date
BE679954D BE679954A (de) 1965-04-23 1966-04-22

Country Status (6)

Country Link
US (1) US3465208A (de)
BE (1) BE679954A (de)
CH (1) CH462937A (de)
DE (1) DE1289554B (de)
GB (1) GB1142783A (de)
NL (1) NL6605457A (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2204808A1 (de) * 1972-10-31 1974-05-24 Commissariat Energie Atomique

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3579050A (en) * 1969-06-11 1971-05-18 Northern Electric Co High-low voltage detector
US3638075A (en) * 1970-11-03 1972-01-25 Western Union Telegraph Co Communication line relay system
US3961230A (en) * 1974-05-23 1976-06-01 Hartley Controls Corporation Current relay actuated by multistage amplifier's total current drains
SE419810B (sv) * 1975-06-23 1981-08-24 Charbonnages Ste Chimique Anordning for avkenning av vexelstrom
US4140952A (en) * 1977-03-23 1979-02-20 Chrysler Corporation Offset compensated electronic current sensor and controller
FR2479556A1 (fr) * 1980-03-31 1981-10-02 Merlin Gerin Declencheur statique perfectionne pour disjoncteur electrique
US4393431A (en) * 1980-04-23 1983-07-12 Mcgraw-Edison Company Overcurrent relay circuit
US4398230A (en) * 1980-09-23 1983-08-09 Souriau & Cie. Protection device for electrical connectors
JPS57171835A (en) * 1981-04-16 1982-10-22 Mitsubishi Electric Corp Power-on indicator of time switch
JPS60134781A (ja) * 1983-12-23 1985-07-18 Matsushita Electric Ind Co Ltd 空気調和機の異常検出装置
US5325047A (en) * 1992-08-17 1994-06-28 After Zero Technology Corporation Voltage monitoring apparatus, as for monitoring cathodic protection voltage on an underground pipeline
US6788515B1 (en) 2001-09-13 2004-09-07 G&W Electric Co. Over-current control
CN110707764B (zh) * 2019-10-31 2021-12-07 国家电网有限公司 用于opgw监测的感应取电系统
CN111211008B (zh) * 2020-01-14 2022-09-27 西安清泰科新能源技术有限责任公司 一种具备过欠压保护的直流继电器

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2504827A (en) * 1947-11-28 1950-04-18 Westinghouse Electric Corp Minimum-voltage network
US3023345A (en) * 1958-12-01 1962-02-27 Rotax Ltd Three phase protective relay system responsive to amplitude of ripple voltage
DE1146536B (de) * 1959-06-23 1963-04-04 Zd Y Pruumyslove Automatisace Transistor-Schmitt-Trigger
US3155879A (en) * 1960-12-07 1964-11-03 Gen Electric Tripping arrangement for an electric circuit breaker
US3134054A (en) * 1961-12-04 1964-05-19 Bell Telephone Labor Inc Voltage level detector circuits
US3197677A (en) * 1962-03-15 1965-07-27 Bell Telephone Labor Inc Snap action relay with close operate and release voltages
CH405470A (de) * 1962-10-24 1966-01-15 Oerlikon Maschf Spannungsniveauschalter
US3300689A (en) * 1962-12-21 1967-01-24 Westinghouse Canada Ltd Voltage sensing circuit
US3307075A (en) * 1963-07-19 1967-02-28 Dur Ral Electronics Company In Overcurrent and undercurrent control circuit
DE1188132B (de) * 1963-12-05 1965-03-04 Siemens Ag Kippschaltungsanordnung nach dem Schmitt-Trigger-Prinzip
GB1090901A (en) * 1964-02-13 1967-11-15 English Electric Co Ltd Protective relay apparatus
US3341748A (en) * 1964-05-13 1967-09-12 Lorain Prod Corp High-low voltage sensitive signaling circuit utilizing semiconductors
US3337771A (en) * 1964-11-18 1967-08-22 Hubbell Inc Harvey Electrical apparatus

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2204808A1 (de) * 1972-10-31 1974-05-24 Commissariat Energie Atomique

Also Published As

Publication number Publication date
CH462937A (fr) 1968-09-30
US3465208A (en) 1969-09-02
NL6605457A (de) 1966-10-24
DE1289554B (de) 1969-02-20
GB1142783A (en) 1969-02-12

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