FR781533A - Device for blocking ionic valves - Google Patents

Device for blocking ionic valves

Info

Publication number
FR781533A
FR781533A FR781533DA FR781533A FR 781533 A FR781533 A FR 781533A FR 781533D A FR781533D A FR 781533DA FR 781533 A FR781533 A FR 781533A
Authority
FR
France
Prior art keywords
ionic valves
blocking ionic
blocking
valves
ionic
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
Other languages
French (fr)
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.)
ABB Norden Holding AB
Original Assignee
ASEA AB
Allmanna Svenska Elektriska AB
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 ASEA AB, Allmanna Svenska Elektriska AB filed Critical ASEA AB
Application granted granted Critical
Publication of FR781533A publication Critical patent/FR781533A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H7/00—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions
    • H02H7/10—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for converters; for rectifiers
    • H02H7/12—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for converters; for rectifiers for static converters or rectifiers
    • H02H7/125—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for converters; for rectifiers for static converters or rectifiers for rectifiers
    • H02H7/127—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for converters; for rectifiers for static converters or rectifiers for rectifiers having auxiliary control electrode to which blocking control voltages or currents are applied in case of emergency
FR781533D 1933-11-16 1934-11-14 Device for blocking ionic valves Expired FR781533A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE781533X 1933-11-16

Publications (1)

Publication Number Publication Date
FR781533A true FR781533A (en) 1935-05-17

Family

ID=20336738

Family Applications (1)

Application Number Title Priority Date Filing Date
FR781533D Expired FR781533A (en) 1933-11-16 1934-11-14 Device for blocking ionic valves

Country Status (1)

Country Link
FR (1) FR781533A (en)

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