DE1513219B2 - Einrichtung zum schutz gegen temperaturueberschreitung fuer den rotor einer elektrischen maschine - Google Patents

Einrichtung zum schutz gegen temperaturueberschreitung fuer den rotor einer elektrischen maschine

Info

Publication number
DE1513219B2
DE1513219B2 DE19651513219 DE1513219A DE1513219B2 DE 1513219 B2 DE1513219 B2 DE 1513219B2 DE 19651513219 DE19651513219 DE 19651513219 DE 1513219 A DE1513219 A DE 1513219A DE 1513219 B2 DE1513219 B2 DE 1513219B2
Authority
DE
Germany
Prior art keywords
rotor
temperature
circuit
resistance
coil
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.)
Pending
Application number
DE19651513219
Other languages
German (de)
English (en)
Other versions
DE1513219A1 (de
Inventor
Katsumi Tokio Takami
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.)
Hitachi Ltd
Original Assignee
Hitachi Ltd
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 Hitachi Ltd filed Critical Hitachi Ltd
Publication of DE1513219A1 publication Critical patent/DE1513219A1/de
Publication of DE1513219B2 publication Critical patent/DE1513219B2/de
Pending legal-status Critical Current

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
    • H02H7/085—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 excessive load
    • H02H7/0852—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 excessive load directly responsive to abnormal temperature by using a temperature sensor
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
    • G05D23/00—Control of temperature
    • G05D23/19—Control of temperature characterised by the use of electric means
    • G05D23/1906—Control of temperature characterised by the use of electric means using an analogue comparing device
    • G05D23/1909—Control of temperature characterised by the use of electric means using an analogue comparing device whose output amplitude can only take two discrete values
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
    • G05D23/00—Control of temperature
    • G05D23/19—Control of temperature characterised by the use of electric means
    • G05D23/20—Control of temperature characterised by the use of electric means with sensing elements having variation of electric or magnetic properties with change of temperature
    • G05D23/24—Control of temperature characterised by the use of electric means with sensing elements having variation of electric or magnetic properties with change of temperature the sensing element having a resistance varying with temperature, e.g. a thermistor

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Automation & Control Theory (AREA)
  • Protection Of Generators And Motors (AREA)
  • Control Of Motors That Do Not Use Commutators (AREA)
  • Control Of Ac Motors In General (AREA)
DE19651513219 1964-03-31 1965-03-29 Einrichtung zum schutz gegen temperaturueberschreitung fuer den rotor einer elektrischen maschine Pending DE1513219B2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1760464A JPS4323001B1 (enExample) 1964-03-31 1964-03-31

Publications (2)

Publication Number Publication Date
DE1513219A1 DE1513219A1 (de) 1969-10-09
DE1513219B2 true DE1513219B2 (de) 1973-08-16

Family

ID=11948470

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19651513219 Pending DE1513219B2 (de) 1964-03-31 1965-03-29 Einrichtung zum schutz gegen temperaturueberschreitung fuer den rotor einer elektrischen maschine

Country Status (4)

Country Link
US (1) US3358208A (enExample)
JP (1) JPS4323001B1 (enExample)
DE (1) DE1513219B2 (enExample)
GB (1) GB1064803A (enExample)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3313418A1 (de) * 1983-04-13 1984-10-18 Loher Gmbh, 8399 Ruhstorf Anordnung zum ueberwachen der laeufertemperatur elektrischer maschinen

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2509002A1 (de) * 1975-01-17 1976-07-22 Bbc Brown Boveri & Cie Messanordnung
US4071875A (en) * 1975-12-29 1978-01-31 Texas Instruments Incorporated Detector apparatus
US4071871A (en) * 1975-12-29 1978-01-31 Texas Instruments Incorporated Motor protector circuit
US4114077A (en) * 1977-04-01 1978-09-12 Westinghouse Electric Corp. Rotor overtemperature protection for electric motors
JPS57106002A (en) * 1980-12-23 1982-07-01 Murata Manufacturing Co Positive temperature coefficient thermistor
US6218749B1 (en) * 1998-11-30 2001-04-17 Reliance Electric Technologies, Llc Electric motor having rotor-embedded sensor

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3262014A (en) * 1962-02-05 1966-07-19 Wagner Electric Corp Equipment protection means
US3268768A (en) * 1963-06-03 1966-08-23 Tecumseh Products Co Temperature protection circuit
US3305698A (en) * 1963-09-16 1967-02-21 Motorola Inc Electric motor overheating protection circuit

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3313418A1 (de) * 1983-04-13 1984-10-18 Loher Gmbh, 8399 Ruhstorf Anordnung zum ueberwachen der laeufertemperatur elektrischer maschinen

Also Published As

Publication number Publication date
DE1513219A1 (de) 1969-10-09
GB1064803A (en) 1967-04-12
US3358208A (en) 1967-12-12
JPS4323001B1 (enExample) 1968-10-03

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