GB1254882A - A.c. electric motor apparatus - Google Patents

A.c. electric motor apparatus

Info

Publication number
GB1254882A
GB1254882A GB5820568A GB5820568A GB1254882A GB 1254882 A GB1254882 A GB 1254882A GB 5820568 A GB5820568 A GB 5820568A GB 5820568 A GB5820568 A GB 5820568A GB 1254882 A GB1254882 A GB 1254882A
Authority
GB
United Kingdom
Prior art keywords
motor
current
supply
voltage
arrangement
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
GB5820568A
Other languages
English (en)
Inventor
Michel Souillard
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.)
Compteurs Schlumberger SA
Original Assignee
Compteurs Schlumberger 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 Compteurs Schlumberger SA filed Critical Compteurs Schlumberger SA
Publication of GB1254882A publication Critical patent/GB1254882A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
    • G01R31/34—Testing dynamo-electric machines
    • G01R31/343—Testing dynamo-electric machines in operation

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Tests Of Circuit Breakers, Generators, And Electric Motors (AREA)
  • Control Of Ac Motors In General (AREA)
  • Protection Of Generators And Motors (AREA)
GB5820568A 1967-12-06 1968-12-06 A.c. electric motor apparatus Expired GB1254882A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR131104 1967-12-06

Publications (1)

Publication Number Publication Date
GB1254882A true GB1254882A (en) 1971-11-24

Family

ID=8642795

Family Applications (1)

Application Number Title Priority Date Filing Date
GB5820568A Expired GB1254882A (en) 1967-12-06 1968-12-06 A.c. electric motor apparatus

Country Status (5)

Country Link
BE (1) BE723277A (US07922777-20110412-C00004.png)
CH (1) CH508882A (US07922777-20110412-C00004.png)
DE (1) DE1812926B2 (US07922777-20110412-C00004.png)
FR (1) FR1566188A (US07922777-20110412-C00004.png)
GB (1) GB1254882A (US07922777-20110412-C00004.png)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH615538A5 (US07922777-20110412-C00004.png) * 1977-03-04 1980-01-31 Bbc Brown Boveri & Cie
FR2514146A1 (fr) * 1981-10-06 1983-04-08 Telemecanique Electrique Procede et dispositif de mesure du glissement d'un moteur electrique
FR2542093B1 (fr) * 1983-03-01 1985-06-28 Telemecanique Electrique Procede et dispositif de mesure du glissement d'un moteur
CH663863A5 (de) * 1983-12-23 1988-01-15 Bbc Brown Boveri & Cie Anlaufschutz fuer eine asynchrone drehfeldmaschine.
US4890058A (en) * 1987-10-03 1989-12-26 Siemens Aktiengesellschaft Arrangement for measuring the slip of electric induction motors
DE4430557C2 (de) * 1994-08-30 1998-03-19 Seifert Electronic R Verfahren zur Feststellung des Drehzahlverhaltens eines Ventilators, sowie Anordnung zur Durchführung dieses Verfahrens

Also Published As

Publication number Publication date
CH508882A (fr) 1971-06-15
DE1812926C3 (US07922777-20110412-C00004.png) 1974-10-10
DE1812926B2 (de) 1974-03-07
BE723277A (US07922777-20110412-C00004.png) 1969-04-30
FR1566188A (US07922777-20110412-C00004.png) 1969-05-09
DE1812926A1 (de) 1969-08-21

Similar Documents

Publication Publication Date Title
GB1325031A (en) Converter circuit
GB1416910A (en) Ac generator system including differential protection of exciter
JPS484924A (US07922777-20110412-C00004.png)
GB919002A (en) Automatic paralleling of alternating current generators
GB882126A (en) Improvements in or relating to electrical inverter systems
GB1254882A (en) A.c. electric motor apparatus
US2727202A (en) System for protecting an alternating current motor
GB1455280A (en) Circuit breaker having a polyphase control circuit
GB861656A (en) Improvements in or relating to automatic paralleling systems
GB1372331A (en) Electric power supply unit for electronic equipment
GB960370A (en) Improvements in apparatus for the non-destructive testing of electrical insulation
GB1254788A (en) Improvements in or relating to devices for indicating the condition of a switch
GB929008A (en) Improved means for indicating faults in the crucible or heating chamber of an electric induction heating furnace
GB907137A (en) Controls for synchronous alternating machines
US3211988A (en) Voltage regulator with accelerated switching means
GB1107286A (en) Exciter field control for dynamoelectric generators
GB1309972A (en) Protective arrangement against earth leakage currents for a multi- phase electric supply line
SU517969A1 (ru) Входное устройство реле токовой защиты
GB1152793A (en) Improvements in and relating to Earth Leakage Protection Devices
GB1020101A (en) Unbalanced current protection system for use with paralleled generators
JPS54137751A (en) Induction heating apparaus
GB575238A (en) Protective signalling or releasing devices for use with electric power capacitors
GB1360004A (en) Overcurrent protective device
GB1044621A (en) Improvements in and relating to inductive reactance devices
GB1334403A (en) Input circuit for three-phase over-current relays