FR830446A - Perfectionnements aux machines d'extraction électriques et autres machines de ce genre - Google Patents

Perfectionnements aux machines d'extraction électriques et autres machines de ce genre

Info

Publication number
FR830446A
FR830446A FR830446DA FR830446A FR 830446 A FR830446 A FR 830446A FR 830446D A FR830446D A FR 830446DA FR 830446 A FR830446 A FR 830446A
Authority
FR
France
Prior art keywords
mining machines
electric mining
electric
machines
mining
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.)
Expired
Application number
Other languages
English (en)
Inventor
Henry Freeman
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.)
KOLAR MINES POWER STATION Ltd
Original Assignee
KOLAR MINES POWER STATION 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 KOLAR MINES POWER STATION Ltd filed Critical KOLAR MINES POWER STATION Ltd
Application granted granted Critical
Publication of FR830446A publication Critical patent/FR830446A/fr
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02P—CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
    • H02P7/00—Arrangements for regulating or controlling the speed or torque of electric DC motors
    • H02P7/06—Arrangements for regulating or controlling the speed or torque of electric DC motors for regulating or controlling an individual DC dynamo-electric motor by varying field or armature current
    • H02P7/18—Arrangements for regulating or controlling the speed or torque of electric DC motors for regulating or controlling an individual DC dynamo-electric motor by varying field or armature current by master control with auxiliary power
    • H02P7/34—Arrangements for regulating or controlling the speed or torque of electric DC motors for regulating or controlling an individual DC dynamo-electric motor by varying field or armature current by master control with auxiliary power using Ward-Leonard arrangements

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
FR830446D 1936-12-05 1937-12-06 Perfectionnements aux machines d'extraction électriques et autres machines de ce genre Expired FR830446A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB830446X 1936-12-05

Publications (1)

Publication Number Publication Date
FR830446A true FR830446A (fr) 1938-07-29

Family

ID=10538165

Family Applications (1)

Application Number Title Priority Date Filing Date
FR830446D Expired FR830446A (fr) 1936-12-05 1937-12-06 Perfectionnements aux machines d'extraction électriques et autres machines de ce genre

Country Status (1)

Country Link
FR (1) FR830446A (fr)

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