CH615538A5 - - Google Patents

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Publication number
CH615538A5
CH615538A5 CH270177A CH270177A CH615538A5 CH 615538 A5 CH615538 A5 CH 615538A5 CH 270177 A CH270177 A CH 270177A CH 270177 A CH270177 A CH 270177A CH 615538 A5 CH615538 A5 CH 615538A5
Authority
CH
Switzerland
Prior art keywords
motor
phase angle
value
time delay
current
Prior art date
Application number
CH270177A
Other languages
German (de)
English (en)
Inventor
Franz Ritter
Original Assignee
Bbc Brown Boveri & Cie
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 Bbc Brown Boveri & Cie filed Critical Bbc Brown Boveri & Cie
Priority to CH270177A priority Critical patent/CH615538A5/de
Priority to DE19772715935 priority patent/DE2715935A1/de
Priority to US05/876,630 priority patent/US4194145A/en
Priority to DK93578A priority patent/DK93578A/da
Priority to GB8338/78A priority patent/GB1601678A/en
Priority to NL7802290A priority patent/NL7802290A/xx
Priority to AT0149478A priority patent/AT363153B/de
Publication of CH615538A5 publication Critical patent/CH615538A5/de

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
    • H02H7/0816—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 concerning the starting sequence, e.g. limiting the number of starts per time unit, monitoring speed during starting
    • 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

  • Control Of Electric Motors In General (AREA)
  • Motor And Converter Starters (AREA)
  • Control Of Multiple Motors (AREA)
CH270177A 1977-03-04 1977-03-04 CH615538A5 (en, 2012)

Priority Applications (7)

Application Number Priority Date Filing Date Title
CH270177A CH615538A5 (en, 2012) 1977-03-04 1977-03-04
DE19772715935 DE2715935A1 (de) 1977-03-04 1977-04-09 Verfahren zur ueberwachung des hochlaufs von asynchronmotoren und vorrichtung zur durchfuehrung des verfahrens
US05/876,630 US4194145A (en) 1977-03-04 1978-02-10 Method for monitoring the run-up to speed of asynchronous motors and apparatus for the performance thereof
DK93578A DK93578A (da) 1977-03-04 1978-03-01 Fremgangsmaade til overvaagning af opstarten af asynkronmotorer og apparat til udoevelse af fremgangsmaaden
GB8338/78A GB1601678A (en) 1977-03-04 1978-03-02 Method for monitoring the run-up to speed of asynchronous motors and apparatus for the performance thereof
NL7802290A NL7802290A (nl) 1977-03-04 1978-03-02 Werkwijze en inrichting voor het bewaken van het aanlopen van asynchroonmotoren.
AT0149478A AT363153B (de) 1977-03-04 1978-03-02 Schaltungsanordnung zur anlaufueberwachung eines asynchronmotors

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH270177A CH615538A5 (en, 2012) 1977-03-04 1977-03-04

Publications (1)

Publication Number Publication Date
CH615538A5 true CH615538A5 (en, 2012) 1980-01-31

Family

ID=4239647

Family Applications (1)

Application Number Title Priority Date Filing Date
CH270177A CH615538A5 (en, 2012) 1977-03-04 1977-03-04

Country Status (7)

Country Link
US (1) US4194145A (en, 2012)
AT (1) AT363153B (en, 2012)
CH (1) CH615538A5 (en, 2012)
DE (1) DE2715935A1 (en, 2012)
DK (1) DK93578A (en, 2012)
GB (1) GB1601678A (en, 2012)
NL (1) NL7802290A (en, 2012)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3405002A1 (de) * 1983-12-23 1985-07-04 BBC Aktiengesellschaft Brown, Boveri & Cie., Baden, Aargau Anlaufschutz fuer eine asynchrone drehfeldmaschine

Families Citing this family (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3754697A (en) * 1970-09-10 1973-08-28 Brunswick Corp Apparatus for providing composite sheathed element
US4361792A (en) * 1980-05-06 1982-11-30 Chesebrough-Pond's Inc. Digital induction motor control system
US4404511A (en) * 1980-10-23 1983-09-13 The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration Motor power factor controller with a reduced voltage starter
US4451823A (en) * 1981-08-07 1984-05-29 Dart Controls, Inc. Overload sensing circuit for a motor
US4409532A (en) * 1981-11-06 1983-10-11 General Electric Company Start control arrangement for split phase induction motor
FR2522895B1 (fr) * 1982-03-03 1985-11-08 Equip Elect Cie Continenta Dispositif de protection contre le blocage des moteurs electriques
JPS5967826A (ja) * 1982-10-06 1984-04-17 株式会社椿本チエイン 電動機械の過負荷・軽負荷保護装置
GB2128425B (en) * 1982-10-08 1986-06-25 Newelec Pretoria Stall detection apparatus
US4864287A (en) * 1983-07-11 1989-09-05 Square D Company Apparatus and method for calibrating a motor monitor by reading and storing a desired value of the power factor
US4998097A (en) * 1983-07-11 1991-03-05 Square D Company Mechanically operated pressure switch having solid state components
DE3426746C1 (de) * 1984-07-20 1986-02-13 Mannesmann AG, 4000 Düsseldorf Hebezeug mit UEberlastsicherung
AU569646B2 (en) * 1984-12-18 1988-02-11 Toshiba, Kabushiki Kaisha Detecting critical rotation speed of an induction motor
DE3635863A1 (de) * 1986-10-22 1988-05-05 Pilz Gmbh & Co Schaltungsanordnung zur ueberwachung eines motorparameters
US4873473A (en) * 1988-01-28 1989-10-10 Dart Controls, Inc. Modular motor controller
US5061884A (en) * 1990-02-12 1991-10-29 Kb Electronics, Inc. Current limiting control circuit for D.C. motors with line dropout protection
US5444359A (en) * 1992-06-26 1995-08-22 Green Technologies, Inc. Load sensitive variable voltage motor controller
US5329223A (en) * 1992-06-26 1994-07-12 Green Technologies, Inc. Ideal voltage controller for conserving energy in inductive loads
DE19843133C2 (de) 1998-09-21 2001-03-15 Siemens Ag Verfahren zum Messen der Drehzahl einer Induktionsmaschine und zugehörige Einrichtung
DE19911036C1 (de) * 1999-03-12 2000-06-21 Mannesmann Vdo Ag Regler für Heizungs- und Klimageräte in Kraftfahrzeugen

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE47962C (de) * W. Th. SMITH in Birmingham, Grafschaft JEFFERSON, Alabama, V. St. A Geschütz-Blockverschlufs mit durch Schrauben bewirkter Dichtung
US2992365A (en) * 1955-03-24 1961-07-11 Everett C Brill Watt-sensing device
FR1566188A (en, 2012) * 1967-12-06 1969-05-09
CH575187A5 (en, 2012) * 1974-02-14 1976-04-30 Sulzer Ag
DE2416999C3 (de) * 1974-04-08 1978-12-21 Siemens Ag, 1000 Berlin Und 8000 Muenchen Verfahren und Schaltungsanordnung zur Drehzahlmessung bei einem Antriebssystem

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3405002A1 (de) * 1983-12-23 1985-07-04 BBC Aktiengesellschaft Brown, Boveri & Cie., Baden, Aargau Anlaufschutz fuer eine asynchrone drehfeldmaschine

Also Published As

Publication number Publication date
NL7802290A (nl) 1978-09-06
DK93578A (da) 1978-09-05
GB1601678A (en) 1981-11-04
ATA149478A (de) 1980-12-15
AT363153B (de) 1981-07-10
US4194145A (en) 1980-03-18
DE2715935A1 (de) 1978-09-07

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Legal Events

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PL Patent ceased
PL Patent ceased