GB2197762B - Apparatus for controlling the voltage fed to an electrically operated device - Google Patents

Apparatus for controlling the voltage fed to an electrically operated device

Info

Publication number
GB2197762B
GB2197762B GB8724480A GB8724480A GB2197762B GB 2197762 B GB2197762 B GB 2197762B GB 8724480 A GB8724480 A GB 8724480A GB 8724480 A GB8724480 A GB 8724480A GB 2197762 B GB2197762 B GB 2197762B
Authority
GB
United Kingdom
Prior art keywords
controlling
electrically operated
operated device
voltage fed
fed
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 - Lifetime
Application number
GB8724480A
Other versions
GB2197762A (en
GB8724480D0 (en
Inventor
Raymond Wilkinson
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.)
Pactrol Controls Ltd
Original Assignee
IMI Pactrol 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
Priority claimed from GB868624935A external-priority patent/GB8624935D0/en
Application filed by IMI Pactrol Ltd filed Critical IMI Pactrol Ltd
Priority to GB8724480A priority Critical patent/GB2197762B/en
Publication of GB8724480D0 publication Critical patent/GB8724480D0/en
Publication of GB2197762A publication Critical patent/GB2197762A/en
Application granted granted Critical
Publication of GB2197762B publication Critical patent/GB2197762B/en
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • H02P7/08—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 manual control without auxiliary power

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Control Of Ac Motors In General (AREA)
GB8724480A 1986-10-17 1987-10-19 Apparatus for controlling the voltage fed to an electrically operated device Expired - Lifetime GB2197762B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB8724480A GB2197762B (en) 1986-10-17 1987-10-19 Apparatus for controlling the voltage fed to an electrically operated device

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB868624935A GB8624935D0 (en) 1986-10-17 1986-10-17 Analogue to digital convertor
GB8724480A GB2197762B (en) 1986-10-17 1987-10-19 Apparatus for controlling the voltage fed to an electrically operated device

Publications (3)

Publication Number Publication Date
GB8724480D0 GB8724480D0 (en) 1987-11-25
GB2197762A GB2197762A (en) 1988-05-25
GB2197762B true GB2197762B (en) 1990-10-10

Family

ID=26291427

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8724480A Expired - Lifetime GB2197762B (en) 1986-10-17 1987-10-19 Apparatus for controlling the voltage fed to an electrically operated device

Country Status (1)

Country Link
GB (1) GB2197762B (en)

Also Published As

Publication number Publication date
GB2197762A (en) 1988-05-25
GB8724480D0 (en) 1987-11-25

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Legal Events

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

Effective date: 19941019