FR2306449B1 - - Google Patents

Info

Publication number
FR2306449B1
FR2306449B1 FR7510528A FR7510528A FR2306449B1 FR 2306449 B1 FR2306449 B1 FR 2306449B1 FR 7510528 A FR7510528 A FR 7510528A FR 7510528 A FR7510528 A FR 7510528A FR 2306449 B1 FR2306449 B1 FR 2306449B1
Authority
FR
France
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
FR7510528A
Other languages
French (fr)
Other versions
FR2306449A1 (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.)
Pont a Mousson SA
Original Assignee
Pont a Mousson SA
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 Pont a Mousson SA filed Critical Pont a Mousson SA
Priority to FR7510528A priority Critical patent/FR2306449A1/fr
Publication of FR2306449A1 publication Critical patent/FR2306449A1/fr
Application granted granted Critical
Publication of FR2306449B1 publication Critical patent/FR2306449B1/fr
Granted legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R19/00—Arrangements for measuring currents or voltages or for indicating presence or sign thereof
    • G01R19/165—Indicating that current or voltage is either above or below a predetermined value or within or outside a predetermined range of values
    • G01R19/16566—Circuits and arrangements for comparing voltage or current with one or several thresholds and for indicating the result not covered by subgroups G01R19/16504, G01R19/16528, G01R19/16533
    • G01R19/16576—Circuits and arrangements for comparing voltage or current with one or several thresholds and for indicating the result not covered by subgroups G01R19/16504, G01R19/16528, G01R19/16533 comparing DC or AC voltage with one threshold
    • G01R19/1658—AC voltage or recurrent signals
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01P—MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT
    • G01P1/00—Details of instruments
    • G01P1/07—Indicating devices, e.g. for remote indication
    • G01P1/08—Arrangements of scales, pointers, lamps or acoustic indicators, e.g. in automobile speedometers
    • G01P1/10—Arrangements of scales, pointers, lamps or acoustic indicators, e.g. in automobile speedometers for indicating predetermined speeds
    • G01P1/106—Arrangements of scales, pointers, lamps or acoustic indicators, e.g. in automobile speedometers for indicating predetermined speeds by comparing the time duration between two impulses with a reference time
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Control Of Eletrric Generators (AREA)
  • Control Of Electric Motors In General (AREA)
FR7510528A 1975-04-02 1975-04-02 Dispositif de detection de sous-vitesse et de sur-vitesse d'un arbre anime d'un mouvement de rotation Granted FR2306449A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR7510528A FR2306449A1 (fr) 1975-04-02 1975-04-02 Dispositif de detection de sous-vitesse et de sur-vitesse d'un arbre anime d'un mouvement de rotation

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7510528A FR2306449A1 (fr) 1975-04-02 1975-04-02 Dispositif de detection de sous-vitesse et de sur-vitesse d'un arbre anime d'un mouvement de rotation

Publications (2)

Publication Number Publication Date
FR2306449A1 FR2306449A1 (fr) 1976-10-29
FR2306449B1 true FR2306449B1 (enrdf_load_stackoverflow) 1978-08-18

Family

ID=9153513

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7510528A Granted FR2306449A1 (fr) 1975-04-02 1975-04-02 Dispositif de detection de sous-vitesse et de sur-vitesse d'un arbre anime d'un mouvement de rotation

Country Status (1)

Country Link
FR (1) FR2306449A1 (enrdf_load_stackoverflow)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH03164024A (ja) * 1989-11-17 1991-07-16 Tachi S Co Ltd モータの過負荷保護方法

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1546586A (fr) * 1967-08-03 1968-11-22 Jeumont Schneider Dispositif à maximum et minimum de fréquence

Also Published As

Publication number Publication date
FR2306449A1 (fr) 1976-10-29

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Legal Events

Date Code Title Description
ST Notification of lapse