ZA75326B - Circuit arrangement for maintaining the speed of a dc motor constant - Google Patents

Circuit arrangement for maintaining the speed of a dc motor constant

Info

Publication number
ZA75326B
ZA75326B ZA00750326A ZA75326A ZA75326B ZA 75326 B ZA75326 B ZA 75326B ZA 00750326 A ZA00750326 A ZA 00750326A ZA 75326 A ZA75326 A ZA 75326A ZA 75326 B ZA75326 B ZA 75326B
Authority
ZA
South Africa
Prior art keywords
maintaining
speed
circuit arrangement
motor constant
constant
Prior art date
Application number
ZA00750326A
Other languages
English (en)
Inventor
P Janssen
P Aarts
Original Assignee
Philips Nv
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 Philips Nv filed Critical Philips Nv
Publication of ZA75326B publication Critical patent/ZA75326B/xx

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
    • H02P7/24—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 discharge tubes or semiconductor devices
    • H02P7/28—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 discharge tubes or semiconductor devices using semiconductor devices
    • H02P7/285—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 discharge tubes or semiconductor devices using semiconductor devices controlling armature supply only
    • H02P7/288—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 discharge tubes or semiconductor devices using semiconductor devices controlling armature supply only using variable impedance
    • H02P7/2885—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 discharge tubes or semiconductor devices using semiconductor devices controlling armature supply only using variable impedance whereby the speed is regulated by measuring the motor speed and comparing it with a given physical value
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S388/00—Electricity: motor control systems
    • Y10S388/907—Specific control circuit element or device
    • Y10S388/922—Tuned or resonant circuit

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Control Of Direct Current Motors (AREA)
  • Mechanical Operated Clutches (AREA)
  • Control Of Motors That Do Not Use Commutators (AREA)
ZA00750326A 1974-01-26 1975-01-16 Circuit arrangement for maintaining the speed of a dc motor constant ZA75326B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL7401099A NL7401099A (nl) 1974-01-26 1974-01-26 Schakeling voor het konstant houden van het toerental van een gelijkstroommotor.

Publications (1)

Publication Number Publication Date
ZA75326B true ZA75326B (en) 1976-08-25

Family

ID=19820626

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA00750326A ZA75326B (en) 1974-01-26 1975-01-16 Circuit arrangement for maintaining the speed of a dc motor constant

Country Status (17)

Country Link
US (1) US3944901A (e)
JP (1) JPS50104320A (e)
AT (1) AT338939B (e)
BE (1) BE824770A (e)
BR (1) BR7500467A (e)
CA (1) CA1024585A (e)
CH (1) CH581922A5 (e)
DE (1) DE2501961A1 (e)
DK (1) DK20575A (e)
ES (1) ES434108A1 (e)
FR (1) FR2259478A1 (e)
GB (1) GB1486735A (e)
IT (1) IT1026444B (e)
NL (1) NL7401099A (e)
NO (1) NO141773C (e)
SE (1) SE7500694L (e)
ZA (1) ZA75326B (e)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4058094A (en) * 1975-06-30 1977-11-15 Franklin Eldridge Moore Speed control device
US4303873A (en) * 1980-06-27 1981-12-01 Honeywell Inc. Reset windup limiting
DE3772594D1 (de) * 1986-02-11 1991-10-10 Studer Revox Ag Verfahren und vorrichtung zur regelung der drehzahl eines elektromotors im vierquadrantenbetrieb.

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2809339A (en) * 1955-05-06 1957-10-08 Westinghouse Electric Corp Motor control circuit
US3233163A (en) * 1963-02-23 1966-02-01 Mishima Matsuo Plural speed tachometer-generator speed control system
US3665276A (en) * 1969-03-06 1972-05-23 Mitsubishi Heavy Ind Ltd Speed controller for prime mover
US3599063A (en) * 1969-08-21 1971-08-10 Yaskawa Denki Seisakusho Kk Speed control system for d.c. motor

Also Published As

Publication number Publication date
AU7746675A (en) 1976-07-22
IT1026444B (it) 1978-09-20
NO141773C (no) 1980-05-14
JPS50104320A (e) 1975-08-18
NO750207L (e) 1975-08-25
US3944901A (en) 1976-03-16
CA1024585A (en) 1978-01-17
AT338939B (de) 1977-09-26
DK20575A (e) 1975-09-15
BR7500467A (pt) 1975-11-04
BE824770A (fr) 1975-07-24
ES434108A1 (es) 1976-12-01
SE7500694L (e) 1975-07-28
DE2501961A1 (de) 1975-07-31
GB1486735A (en) 1977-09-21
FR2259478A1 (e) 1975-08-22
NL7401099A (nl) 1975-07-29
CH581922A5 (e) 1976-11-15
NO141773B (no) 1980-01-28
ATA49575A (de) 1977-01-15

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