FR2315697A1 - Procede de detection d'un courant alternatif - Google Patents

Procede de detection d'un courant alternatif

Info

Publication number
FR2315697A1
FR2315697A1 FR7519591A FR7519591A FR2315697A1 FR 2315697 A1 FR2315697 A1 FR 2315697A1 FR 7519591 A FR7519591 A FR 7519591A FR 7519591 A FR7519591 A FR 7519591A FR 2315697 A1 FR2315697 A1 FR 2315697A1
Authority
FR
France
Prior art keywords
magnetisable
switch
phase
unbalance
sensed
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
FR7519591A
Other languages
English (en)
Other versions
FR2315697B1 (fr
Inventor
Thadee Domanski
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.)
Orkem SA
Original Assignee
Chimique des Charbonnages 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 Chimique des Charbonnages SA filed Critical Chimique des Charbonnages SA
Priority to FR7519591A priority Critical patent/FR2315697A1/fr
Priority to ZA763449A priority patent/ZA763449B/xx
Priority to SE7606633A priority patent/SE419810B/xx
Priority to DE19762626620 priority patent/DE2626620A1/de
Priority to GB24516/76A priority patent/GB1549631A/en
Priority to IE1290/76A priority patent/IE42861B1/en
Priority to US05/696,705 priority patent/US4064546A/en
Priority to AU14939/76A priority patent/AU501326B2/en
Priority to NL7606588A priority patent/NL7606588A/xx
Priority to AR263663A priority patent/AR212864A1/es
Priority to JP51073737A priority patent/JPS601808B2/ja
Priority to NO762148A priority patent/NO762148L/no
Priority to CH796876A priority patent/CH618273A5/fr
Priority to DK280476A priority patent/DK280476A/da
Priority to IT68529/76A priority patent/IT1063164B/it
Priority to CA255,396A priority patent/CA1080842A/fr
Priority to BE2055126A priority patent/BE843232A/fr
Priority to DD193507A priority patent/DD124756A5/xx
Priority to LU75210A priority patent/LU75210A1/xx
Priority to ES449119A priority patent/ES449119A1/es
Priority to FI761831A priority patent/FI761831A/fi
Priority to BR7604088A priority patent/BR7604088A/pt
Publication of FR2315697A1 publication Critical patent/FR2315697A1/fr
Application granted granted Critical
Publication of FR2315697B1 publication Critical patent/FR2315697B1/fr
Granted 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
    • H02H3/12—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 underload or no-load
    • H02H3/13—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 underload or no-load for multiphase applications, e.g. phase interruption
    • 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
    • G01R19/16504—Indicating that current or voltage is either above or below a predetermined value or within or outside a predetermined range of values characterised by the components employed
    • G01R19/16509—Indicating that current or voltage is either above or below a predetermined value or within or outside a predetermined range of values characterised by the components employed using electromagnetic relays, e.g. reed relay
    • 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
    • H02H3/027—Details with automatic disconnection after a predetermined time

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • General Physics & Mathematics (AREA)
  • Protection Of Generators And Motors (AREA)
  • Control Of Ac Motors In General (AREA)
FR7519591A 1975-06-23 1975-06-23 Procede de detection d'un courant alternatif Granted FR2315697A1 (fr)

Priority Applications (22)

Application Number Priority Date Filing Date Title
FR7519591A FR2315697A1 (fr) 1975-06-23 1975-06-23 Procede de detection d'un courant alternatif
ZA763449A ZA763449B (en) 1975-06-23 1976-06-10 Protection circuits
SE7606633A SE419810B (sv) 1975-06-23 1976-06-11 Anordning for avkenning av vexelstrom
DE19762626620 DE2626620A1 (de) 1975-06-23 1976-06-14 Schaltungsanordnung zur ermittlung eines wechselstroms
GB24516/76A GB1549631A (en) 1975-06-23 1976-06-14 Electrical protection circuits
IE1290/76A IE42861B1 (en) 1975-06-23 1976-06-15 Improvements in and relating to electrical protection circuits
US05/696,705 US4064546A (en) 1975-06-23 1976-06-16 Protection circuits
AU14939/76A AU501326B2 (en) 1975-06-23 1976-06-16 Detecting alternating current
NL7606588A NL7606588A (nl) 1975-06-23 1976-06-17 Werkwijze voor het detekteren van wisselstroom.
AR263663A AR212864A1 (es) 1975-06-23 1976-06-18 Circuito de proteccion para proteger un dispositivo electrico
JP51073737A JPS601808B2 (ja) 1975-06-23 1976-06-21 欠相検出方式
NO762148A NO762148L (fr) 1975-06-23 1976-06-21
ES449119A ES449119A1 (es) 1975-06-23 1976-06-22 Procedimiento de deteccion de una corriente alterna.
IT68529/76A IT1063164B (it) 1975-06-23 1976-06-22 Circuito elettrico di protezione..particolarmente per motori trifase
CA255,396A CA1080842A (fr) 1975-06-23 1976-06-22 Circuit de protection
BE2055126A BE843232A (fr) 1975-06-23 1976-06-22 Procede de detection d'un courant alternatif
CH796876A CH618273A5 (fr) 1975-06-23 1976-06-22
LU75210A LU75210A1 (fr) 1975-06-23 1976-06-22
DK280476A DK280476A (da) 1975-06-23 1976-06-22 Fremgangsmade til detektering af en vekselstrom
DD193507A DD124756A5 (fr) 1975-06-23 1976-06-22
FI761831A FI761831A (fr) 1975-06-23 1976-06-23
BR7604088A BR7604088A (pt) 1975-06-23 1976-06-23 Processo de deteccao de uma corrente alternada

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7519591A FR2315697A1 (fr) 1975-06-23 1975-06-23 Procede de detection d'un courant alternatif

Publications (2)

Publication Number Publication Date
FR2315697A1 true FR2315697A1 (fr) 1977-01-21
FR2315697B1 FR2315697B1 (fr) 1979-10-19

Family

ID=9156877

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7519591A Granted FR2315697A1 (fr) 1975-06-23 1975-06-23 Procede de detection d'un courant alternatif

Country Status (3)

Country Link
BE (1) BE843232A (fr)
FR (1) FR2315697A1 (fr)
ZA (1) ZA763449B (fr)

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
NEANT *

Also Published As

Publication number Publication date
BE843232A (fr) 1976-10-18
FR2315697B1 (fr) 1979-10-19
ZA763449B (en) 1977-05-25

Similar Documents

Publication Publication Date Title
SE7906860L (sv) Transformatorarrangemang for koppling av en kommunikationssignal till en trefasig kraftledning
KR970706639A (ko) 가벼운 이동식 제너레이터(light weight portable generator)
ATE163813T1 (de) Elektronische startvorrichtung für einen synchronmotor mit permanent magnetischem rotor
DE69315072D1 (de) Ständer für wechselstromgerät
FR2315697A1 (fr) Procede de detection d'un courant alternatif
FR2345725A2 (fr) Procede de detection d'un courant alternatif
FR2351417A2 (fr) Procede de detection d'un courant alternatif
FR2444359A1 (fr) Procede et dispositif pour la protection des personnes contre une electrocution
SE7907806L (sv) Trefaslindning for en hogspenningsmaskin
GB1154930A (en) D.C. Excited Synchronous Motors
FR2321208A1 (fr) Systemes differentiels de protection
JPS52125712A (en) Control circuit of electric motor
JPS5658768A (en) Brushless motor
GB1169481A (en) Improvements in Single Phase Alternating Current Multi-Voltage Induction Motor Stator.
KR850005744A (ko) 3상 교류의 상용 주파수 3체배 방법과 그 장치
US2353670A (en) Alternating-current synchronous motor
SU455430A1 (ru) Устройство дл управлени преобразователем
RU1772881C (ru) Электропривод переменного тока
ES8101341A1 (es) Un metodo de combinar elementos semiconductores
FR2390847A1 (fr) Convertisseur de couple electrique
WO1984001050A1 (fr) Transformateur de courant alternatif triphase a tension nulle
FR2376504A1 (fr) Transformateur de courant totalisateur, en particulier pour disjoncteur de protection contre les courants de defaut
GB555637A (en) Improvements in polyphase dynamo electric machines
SU1075902A1 (ru) Электропривод
GB1083471A (en) Improvements in preformed magnetic core structures

Legal Events

Date Code Title Description
ST Notification of lapse