GB2150370B - Control of drum winder drive in mine shafts - Google Patents

Control of drum winder drive in mine shafts

Info

Publication number
GB2150370B
GB2150370B GB08427471A GB8427471A GB2150370B GB 2150370 B GB2150370 B GB 2150370B GB 08427471 A GB08427471 A GB 08427471A GB 8427471 A GB8427471 A GB 8427471A GB 2150370 B GB2150370 B GB 2150370B
Authority
GB
United Kingdom
Prior art keywords
control
mine shafts
drum winder
winder drive
drive
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
GB08427471A
Other versions
GB8427471D0 (en
GB2150370A (en
Inventor
E A Lewis
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.)
General Electric Co PLC
Original Assignee
General Electric Co PLC
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 General Electric Co PLC filed Critical General Electric Co PLC
Publication of GB8427471D0 publication Critical patent/GB8427471D0/en
Publication of GB2150370A publication Critical patent/GB2150370A/en
Application granted granted Critical
Publication of GB2150370B publication Critical patent/GB2150370B/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
    • H02P5/00—Arrangements specially adapted for regulating or controlling the speed or torque of two or more electric motors
    • H02P5/68—Arrangements specially adapted for regulating or controlling the speed or torque of two or more electric motors controlling two or more dc dynamo-electric motors

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Control Of Multiple Motors (AREA)
GB08427471A 1983-10-31 1984-10-31 Control of drum winder drive in mine shafts Expired GB2150370B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB838329027A GB8329027D0 (en) 1983-10-31 1983-10-31 Motor control system

Publications (3)

Publication Number Publication Date
GB8427471D0 GB8427471D0 (en) 1984-12-05
GB2150370A GB2150370A (en) 1985-06-26
GB2150370B true GB2150370B (en) 1987-08-05

Family

ID=10550993

Family Applications (2)

Application Number Title Priority Date Filing Date
GB838329027A Pending GB8329027D0 (en) 1983-10-31 1983-10-31 Motor control system
GB08427471A Expired GB2150370B (en) 1983-10-31 1984-10-31 Control of drum winder drive in mine shafts

Family Applications Before (1)

Application Number Title Priority Date Filing Date
GB838329027A Pending GB8329027D0 (en) 1983-10-31 1983-10-31 Motor control system

Country Status (2)

Country Link
GB (2) GB8329027D0 (en)
ZA (1) ZA848494B (en)

Also Published As

Publication number Publication date
GB8427471D0 (en) 1984-12-05
ZA848494B (en) 1985-09-25
GB2150370A (en) 1985-06-26
GB8329027D0 (en) 1983-11-30

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Legal Events

Date Code Title Description
732 Registration of transactions, instruments or events in the register (sect. 32/1977)
PE20 Patent expired after termination of 20 years