FR545221A - Improvements in control devices for electric motors - Google Patents

Improvements in control devices for electric motors

Info

Publication number
FR545221A
FR545221A FR545221DA FR545221A FR 545221 A FR545221 A FR 545221A FR 545221D A FR545221D A FR 545221DA FR 545221 A FR545221 A FR 545221A
Authority
FR
France
Prior art keywords
control devices
electric motors
motors
electric
devices
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
French (fr)
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.)
English Electric Co Ltd
Original Assignee
English Electric Co 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 English Electric Co Ltd filed Critical English Electric Co Ltd
Application granted granted Critical
Publication of FR545221A publication Critical patent/FR545221A/en
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

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
FR545221D 1921-01-21 1921-12-27 Improvements in control devices for electric motors Expired FR545221A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB545221X 1921-01-21

Publications (1)

Publication Number Publication Date
FR545221A true FR545221A (en) 1922-10-07

Family

ID=10471299

Family Applications (1)

Application Number Title Priority Date Filing Date
FR545221D Expired FR545221A (en) 1921-01-21 1921-12-27 Improvements in control devices for electric motors

Country Status (1)

Country Link
FR (1) FR545221A (en)

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