GB8506237D0 - Safety device - Google Patents

Safety device

Info

Publication number
GB8506237D0
GB8506237D0 GB858506237A GB8506237A GB8506237D0 GB 8506237 D0 GB8506237 D0 GB 8506237D0 GB 858506237 A GB858506237 A GB 858506237A GB 8506237 A GB8506237 A GB 8506237A GB 8506237 D0 GB8506237 D0 GB 8506237D0
Authority
GB
United Kingdom
Prior art keywords
safety device
safety
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
GB858506237A
Other versions
GB2161334A (en
GB2161334B (en
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.)
INTER CONTROL Hermann Koehler Electrik GmbH and Co KG
Original Assignee
INTER CONTROL Hermann Koehler Electrik GmbH and Co KG
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 INTER CONTROL Hermann Koehler Electrik GmbH and Co KG filed Critical INTER CONTROL Hermann Koehler Electrik GmbH and Co KG
Publication of GB8506237D0 publication Critical patent/GB8506237D0/en
Publication of GB2161334A publication Critical patent/GB2161334A/en
Application granted granted Critical
Publication of GB2161334B publication Critical patent/GB2161334B/en
Expired 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
    • H02H7/0833—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 for electric motors with control arrangements
    • H02H7/0844—Fail safe control, e.g. by comparing control signal and controlled current, isolating motor on commutation error
GB08506237A 1984-03-10 1985-03-11 Safety device for alternating current motors Expired GB2161334B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19843408790 DE3408790A1 (en) 1984-03-10 1984-03-10 FUSE ARRANGEMENT FOR AC MOTORS

Publications (3)

Publication Number Publication Date
GB8506237D0 true GB8506237D0 (en) 1985-04-11
GB2161334A GB2161334A (en) 1986-01-08
GB2161334B GB2161334B (en) 1987-10-14

Family

ID=6230084

Family Applications (1)

Application Number Title Priority Date Filing Date
GB08506237A Expired GB2161334B (en) 1984-03-10 1985-03-11 Safety device for alternating current motors

Country Status (4)

Country Link
AT (1) ATA69885A (en)
DE (1) DE3408790A1 (en)
FR (1) FR2561046A1 (en)
GB (1) GB2161334B (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN100424991C (en) * 2004-09-27 2008-10-08 乐金电子(天津)电器有限公司 Drive circuit for rotating resonance type motor

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1097014B (en) * 1959-10-03 1961-01-12 Calor Emag Elektrizitaets Ag Overcurrent release device for AC circuits
DE2607067A1 (en) * 1976-02-21 1977-08-25 Purfuerst Kg Ing Buero Speed controlled DC motor protection circuit - has diode switching in ballast resistor when motor acts as generator
GB1568507A (en) * 1976-10-15 1980-05-29 Colair Electronics Ltd Electric motor control units
DE3119794C2 (en) * 1981-05-19 1985-06-27 Kautt & Bux Kg, 7000 Stuttgart Protective circuit arrangement for a phase angle controlled or -regulated electric motor

Also Published As

Publication number Publication date
GB2161334A (en) 1986-01-08
GB2161334B (en) 1987-10-14
DE3408790A1 (en) 1985-09-19
FR2561046A1 (en) 1985-09-13
ATA69885A (en) 1992-01-15
DE3408790C2 (en) 1989-01-12

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee