ZA706375B - Improvements in or relating to control means for electric motors operated from batteries - Google Patents

Improvements in or relating to control means for electric motors operated from batteries

Info

Publication number
ZA706375B
ZA706375B ZA706375A ZA706375A ZA706375B ZA 706375 B ZA706375 B ZA 706375B ZA 706375 A ZA706375 A ZA 706375A ZA 706375 A ZA706375 A ZA 706375A ZA 706375 B ZA706375 B ZA 706375B
Authority
ZA
South Africa
Prior art keywords
batteries
relating
control means
electric motors
motors operated
Prior art date
Application number
ZA706375A
Inventor
J Morton
K Stevens
G Thexton
Original Assignee
Cableform 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 Cableform Ltd filed Critical Cableform Ltd
Publication of ZA706375B publication Critical patent/ZA706375B/en

Links

Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H5/00—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal non-electric working conditions with or without subsequent reconnection
    • H02H5/04—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal non-electric working conditions with or without subsequent reconnection responsive to abnormal temperature
    • 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
ZA706375A 1969-09-23 1970-09-18 Improvements in or relating to control means for electric motors operated from batteries ZA706375B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB4672769 1969-09-23

Publications (1)

Publication Number Publication Date
ZA706375B true ZA706375B (en) 1971-05-27

Family

ID=10442365

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA706375A ZA706375B (en) 1969-09-23 1970-09-18 Improvements in or relating to control means for electric motors operated from batteries

Country Status (2)

Country Link
GB (1) GB1330131A (en)
ZA (1) ZA706375B (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2114323B (en) * 1981-10-15 1985-06-26 Univ Dundee Automatic control of d.c motors
US6297607B1 (en) * 1999-03-12 2001-10-02 Eaton Corporation Thermal compensation control for a motor starter
DE102006024018A1 (en) * 2006-05-23 2007-11-29 Dr. Johannes Heidenhain Gmbh Protective circuit for e.g. frequency converter, has transducer circuit whose outputs are applied to maximum creator for forming maximum of outputs, where maximum is connected to comparator, in which maximum is compared with reference value

Also Published As

Publication number Publication date
GB1330131A (en) 1973-09-12

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