FR2346890A1 - Selecteur automatique de tension electrique - Google Patents

Selecteur automatique de tension electrique

Info

Publication number
FR2346890A1
FR2346890A1 FR7610184A FR7610184A FR2346890A1 FR 2346890 A1 FR2346890 A1 FR 2346890A1 FR 7610184 A FR7610184 A FR 7610184A FR 7610184 A FR7610184 A FR 7610184A FR 2346890 A1 FR2346890 A1 FR 2346890A1
Authority
FR
France
Prior art keywords
voltage
relay
contacts
relays
star
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.)
Granted
Application number
FR7610184A
Other languages
English (en)
Other versions
FR2346890B1 (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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to FR7610184A priority Critical patent/FR2346890A1/fr
Publication of FR2346890A1 publication Critical patent/FR2346890A1/fr
Application granted granted Critical
Publication of FR2346890B1 publication Critical patent/FR2346890B1/fr
Granted legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H11/00—Emergency protective circuit arrangements for preventing the switching-on in case an undesired electric working condition might result
    • H02H11/006—Emergency protective circuit arrangements for preventing the switching-on in case an undesired electric working condition might result in case of too high or too low voltage
    • H02H11/007—Emergency protective circuit arrangements for preventing the switching-on in case an undesired electric working condition might result in case of too high or too low voltage involving automatic switching for adapting the protected apparatus to the supply voltage
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Control Of Ac Motors In General (AREA)
  • Control Of Electric Motors In General (AREA)
FR7610184A 1976-04-02 1976-04-02 Selecteur automatique de tension electrique Granted FR2346890A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR7610184A FR2346890A1 (fr) 1976-04-02 1976-04-02 Selecteur automatique de tension electrique

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7610184A FR2346890A1 (fr) 1976-04-02 1976-04-02 Selecteur automatique de tension electrique

Publications (2)

Publication Number Publication Date
FR2346890A1 true FR2346890A1 (fr) 1977-10-28
FR2346890B1 FR2346890B1 (fr) 1981-03-06

Family

ID=9171525

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7610184A Granted FR2346890A1 (fr) 1976-04-02 1976-04-02 Selecteur automatique de tension electrique

Country Status (1)

Country Link
FR (1) FR2346890A1 (fr)

Also Published As

Publication number Publication date
FR2346890B1 (fr) 1981-03-06

Similar Documents

Publication Publication Date Title
US3932765A (en) Polyphase rectifier system for providing two output current-voltage ranges
US1704996A (en) Automatic generating plant
ES449119A1 (es) Procedimiento de deteccion de una corriente alterna.
FR2346890A1 (fr) Selecteur automatique de tension electrique
ES484225A1 (es) Un aparato electrico que comprende una serie de tomas de tension y un equipo selector y-o un conjunto ruptor
US2515480A (en) Control circuit
SU864412A1 (ru) Устройство дл защиты трехфазной сети от изменени чередовани фаз
SU637909A1 (ru) Устройство дл блокировки включени секционного выключател
SU951258A1 (ru) Стабилизатор переменного напр жени
US1995157A (en) Motor control system
GB2135542A (en) Earth leakage circuit breaker
SU589660A1 (ru) Устройство дл защиты понижающего трансформатора с изолированной нейтралью на подстанции без выключателей на стороне высшего напр жени
JPH0246217Y2 (fr)
US858797A (en) System of electric control.
ZA805832B (en) Rectifier arrangement
SU1826104A1 (ru) Устройство для токовой защиты секционированных сборных шин
US2381264A (en) Synchronizing control system
SU785804A1 (ru) Устройство дл защиты от однофазного замыкани в трехфазных сет х с изолированной нейтралью
US1512255A (en) System of electric distribution
SU643933A1 (ru) Устройство дл технологической сигнализации
US717234A (en) Synchronizing apparatus for alternators.
SU726657A1 (ru) Устройство дл автоматического установлени перестраиваемого органа в заданное положение
US1776719A (en) Electrical distribution system
GB2054294A (en) Transformer circuit
GB191104618A (en) Improvements in Circuit Connections for Electric Current Distribution with Auto-transformers.

Legal Events

Date Code Title Description
ST Notification of lapse