FR478800A - Device for preventing the runaway of induced motors - Google Patents

Device for preventing the runaway of induced motors

Info

Publication number
FR478800A
FR478800A FR478800DA FR478800A FR 478800 A FR478800 A FR 478800A FR 478800D A FR478800D A FR 478800DA FR 478800 A FR478800 A FR 478800A
Authority
FR
France
Prior art keywords
runaway
motors
induced
preventing
induced motors
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.)
AG Brown Boveri & Cie Ste
Original Assignee
AG Brown Boveri & Cie Ste
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 AG Brown Boveri & Cie Ste filed Critical AG Brown Boveri & Cie Ste
Application granted granted Critical
Publication of FR478800A publication Critical patent/FR478800A/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
    • H02H7/08—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 dynamo-electric motors
    • H02H7/093—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 dynamo-electric motors against increase beyond, or decrease below, a predetermined level of rotational speed
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03G—CONTROL OF AMPLIFICATION
    • H03G3/00—Gain control in amplifiers or frequency changers
    • H03G3/20—Automatic control
    • H03G3/22—Automatic control in amplifiers having discharge tubes
FR478800D 1914-06-04 1915-05-25 Device for preventing the runaway of induced motors Expired FR478800A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE478800X 1936-07-06

Publications (1)

Publication Number Publication Date
FR478800A true FR478800A (en) 1916-01-07

Family

ID=6542309

Family Applications (1)

Application Number Title Priority Date Filing Date
FR478800D Expired FR478800A (en) 1914-06-04 1915-05-25 Device for preventing the runaway of induced motors

Country Status (2)

Country Link
FR (1) FR478800A (en)
GB (1) GB478800A (en)

Also Published As

Publication number Publication date
GB478800A (en) 1938-01-25

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