FR1416989A - Electrical protection relays - Google Patents

Electrical protection relays

Info

Publication number
FR1416989A
FR1416989A FR998145A FR998145A FR1416989A FR 1416989 A FR1416989 A FR 1416989A FR 998145 A FR998145 A FR 998145A FR 998145 A FR998145 A FR 998145A FR 1416989 A FR1416989 A FR 1416989A
Authority
FR
France
Prior art keywords
electrical protection
protection relays
relays
electrical
protection
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
FR998145A
Other languages
French (fr)
Inventor
Hans Hoel
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.)
English Electric Co Ltd
Original Assignee
English Electric 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
Priority claimed from GB48647/63A external-priority patent/GB1100881A/en
Application filed by English Electric Co Ltd filed Critical English Electric Co Ltd
Priority to FR998145A priority Critical patent/FR1416989A/en
Application granted granted Critical
Publication of FR1416989A publication Critical patent/FR1416989A/en
Expired 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
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H51/00—Electromagnetic relays
    • H01H51/28—Relays having both armature and contacts within a sealed casing outside which the operating coil is located, e.g. contact carried by a magnetic leaf spring or reed
    • 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
    • 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
    • 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
    • H02H3/40—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 ratio of voltage and current

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
FR998145A 1963-12-10 1964-12-10 Electrical protection relays Expired FR1416989A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR998145A FR1416989A (en) 1963-12-10 1964-12-10 Electrical protection relays

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB48647/63A GB1100881A (en) 1963-12-10 1963-12-10 Electrical protective relays
FR998145A FR1416989A (en) 1963-12-10 1964-12-10 Electrical protection relays

Publications (1)

Publication Number Publication Date
FR1416989A true FR1416989A (en) 1965-11-05

Family

ID=26211663

Family Applications (1)

Application Number Title Priority Date Filing Date
FR998145A Expired FR1416989A (en) 1963-12-10 1964-12-10 Electrical protection relays

Country Status (1)

Country Link
FR (1) FR1416989A (en)

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