SE8006139L - Motorskyddskrets - Google Patents

Motorskyddskrets

Info

Publication number
SE8006139L
SE8006139L SE8006139A SE8006139A SE8006139L SE 8006139 L SE8006139 L SE 8006139L SE 8006139 A SE8006139 A SE 8006139A SE 8006139 A SE8006139 A SE 8006139A SE 8006139 L SE8006139 L SE 8006139L
Authority
SE
Sweden
Prior art keywords
motor
contactors
phase
protection circuit
motor side
Prior art date
Application number
SE8006139A
Other languages
Unknown language ( )
English (en)
Inventor
John F Walton
Original Assignee
John F Walton
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 John F Walton filed Critical John F Walton
Publication of SE8006139L publication Critical patent/SE8006139L/sv

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
    • H02H7/09—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 over-voltage; against reduction of voltage; against phase interruption

Landscapes

  • Protection Of Generators And Motors (AREA)
  • Control Of Ac Motors In General (AREA)
  • Control Of Multiple Motors (AREA)
  • Motor And Converter Starters (AREA)
  • Stopping Of Electric Motors (AREA)
SE8006139A 1979-09-11 1980-09-03 Motorskyddskrets SE8006139L (sv)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/074,516 US4354214A (en) 1979-09-11 1979-09-11 Motor protection circuit

Publications (1)

Publication Number Publication Date
SE8006139L true SE8006139L (sv) 1981-03-12

Family

ID=22119979

Family Applications (1)

Application Number Title Priority Date Filing Date
SE8006139A SE8006139L (sv) 1979-09-11 1980-09-03 Motorskyddskrets

Country Status (7)

Country Link
US (1) US4354214A (sv)
JP (1) JPS5646624A (sv)
CA (1) CA1175102A (sv)
DE (1) DE3032790A1 (sv)
FR (1) FR2465341A1 (sv)
GB (1) GB2059200B (sv)
SE (1) SE8006139L (sv)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3237800C2 (de) * 1982-08-03 1986-09-11 Loher Gmbh, 8399 Ruhstorf Schutzeinrichtung für Asynchron-Motoren
DE3228954C2 (de) * 1982-08-03 1985-11-21 Loher Gmbh, 8399 Ruhstorf Schutzeinrichtung für Asynchron-Motoren
DE3418276A1 (de) * 1984-05-17 1985-11-21 Ebm Elektrobau Mulfingen Gmbh & Co, 7119 Mulfingen Schutzschaltung zum blockierschutz bei kollektorlosen gleichstrommotoren
JPS61260508A (ja) * 1985-05-15 1986-11-18 株式会社　神内電機製作所 接点溶着検出装置
US4935685A (en) * 1987-08-12 1990-06-19 Sargent Oil Well Equipment Company Motor controller for pumping units
DE3888970T2 (de) * 1987-09-15 1994-09-15 Cadac Holdings Ltd Motor oder generator.
NZ221822A (en) * 1987-09-15 1990-02-26 Clark Automotive Dev Permanent magnet motor
US5191230A (en) * 1989-01-30 1993-03-02 Heung Lap Yan Circuit module fan assembly
US5079438A (en) * 1989-01-30 1992-01-07 Heung Lap Yan Circuit module fan assembly
US5337206A (en) * 1991-10-15 1994-08-09 Andrew S. Kadah Three phase power monitor
US5478164A (en) * 1991-10-16 1995-12-26 Alps Electric Co., Ltd. Method of driving DC motor in printer
US5587642A (en) * 1995-04-07 1996-12-24 Whirlpool Corporation Fan motor brown-out control algorithm
FR2782892B1 (fr) * 1998-09-03 2000-10-13 Serap Industries Commande de refroidisseur de lait a proctection contre les variations de tension
US7084588B2 (en) * 2004-07-30 2006-08-01 Ballard Power Systems Corporation Method, apparatus and article for motor control voltage dropout detection
US8801479B1 (en) * 2012-04-26 2014-08-12 Richard W. Quail Hydraulic marine jack plate position indicator system
KR20190128920A (ko) * 2018-05-09 2019-11-19 주식회사 아이티이 전기고장 만능탐지 및 복구 배전시스템 및 그 공사방법

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB593066A (en) 1945-06-09 1947-10-07 Stanley Arthur Quincey Equipment for the protection and safe operation of electrical appliances such as electric motors and the like
GB515341A (en) 1938-06-21 1939-12-01 British Thomson Houston Co Ltd Improvements in and relating to protective systems for polyphase electric circuits
GB555328A (en) 1942-02-12 1943-08-17 Reyrolle A & Co Ltd Improvements in or relating to protective arrangements for three-phase a.c. distribution system
US2724782A (en) * 1953-04-15 1955-11-22 Lockheed Aircraft Corp Phase sequence correcting circuit
US3317741A (en) * 1963-11-01 1967-05-02 James E Mcclain Electrical switching system
US3636541A (en) * 1970-04-09 1972-01-18 Honeywell Inf Systems Loss of phase detector for a polyphase power system

Also Published As

Publication number Publication date
CA1175102A (en) 1984-09-25
US4354214A (en) 1982-10-12
GB2059200A (en) 1981-04-15
DE3032790A1 (de) 1981-04-02
JPS5646624A (en) 1981-04-27
FR2465341A1 (fr) 1981-03-20
GB2059200B (en) 1983-06-02

Similar Documents

Publication Publication Date Title
SE8006139L (sv) Motorskyddskrets
ES8105891A1 (es) Perfeccionamientos en dispositivos detectores de sobreco- rriente y de falta de fase
NL7608236A (nl) Geheel beschermde scheidingsschakelaar voor hoge spanning.
AR193518A1 (es) Interruptor electrico de proteccion contra corrientes de averia,sobreintensidad y cortocircuito
BR7705487A (pt) Aparelhagem de rele de comparacao de fase para a protecao de uma linha de transmissao de forca em corrente alternad
JPS51150042A (en) Electric source switch device
SU466583A1 (ru) Устройство дл токовой защиты нулевой последовательности параллельных линий с двусторонним питанием
JPS5262624A (en) Protective device for inverter
SU1390694A1 (ru) Устройство дл защиты трехфазного асинхронного электродвигател от исчезновени напр жени в одной из фаз сети питани В.Н.Фокина
JPS51140150A (en) Safeguard for alternating current-alternating current converter
JPS52135031A (en) Protective relay for transmission line
JPS53101613A (en) Drive circuit for dc electric motor vehicle
JPS51118037A (en) Frequency controller of parallel rumming inverters
IT7826862A0 (it) Interruttore elettrico diprotezione contro correnti di difetto.
JPS51121751A (en) Protective relaying system for removing power break-down section in hi gh transmission line
JPS5245749A (en) Automatic operating method of arc furnace
ES231991U (es) Protector de fases para motores trifasicos.
JPS528449A (en) Direction comparison relay device
JPS5210542A (en) Protection device for static ward-leonard system
JPS5561286A (en) Starting relay device of single-phase induction motor
JPS52155041A (en) Ac power relay circuit
JPS5317261A (en) Contactless output relay
JPS5339448A (en) Power station for electric railway
RU93016051A (ru) Устройство для однофазного автоматического повторного включения (оапв) трехфазной линии электропередачи
JPS5285345A (en) Overcurrent protecting system for static leonard apparatus with regula r-reverse converter

Legal Events

Date Code Title Description
NAV Patent application has lapsed

Ref document number: 8006139-3

Format of ref document f/p: F