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ZA877402B - Static power conversion for adding d.c.motors - Google Patents

Static power conversion for adding d.c.motors

Info

Publication number
ZA877402B
ZA877402B ZA877402A ZA877402A ZA877402B ZA 877402 B ZA877402 B ZA 877402B ZA 877402 A ZA877402 A ZA 877402A ZA 877402 A ZA877402 A ZA 877402A ZA 877402 B ZA877402 B ZA 877402B
Authority
ZA
South Africa
Prior art keywords
motors
power conversion
static power
static
conversion
Prior art date
Application number
ZA877402A
Other languages
English (en)
Inventor
W. Sankey Edwin
Original Assignee
Dresser Industries, Inc.
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 Dresser Industries, Inc. filed Critical Dresser Industries, Inc.
Publication of ZA877402B publication Critical patent/ZA877402B/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
    • 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
    • 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)
  • Control Of Direct Current Motors (AREA)
  • Control Of Multiple Motors (AREA)
ZA877402A 1987-02-06 1987-10-01 Static power conversion for adding d.c.motors ZA877402B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/011,535 US4743814A (en) 1987-02-06 1987-02-06 Static power conversion for adding DC motors

Publications (1)

Publication Number Publication Date
ZA877402B true ZA877402B (en) 1988-04-14

Family

ID=21750817

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA877402A ZA877402B (en) 1987-02-06 1987-10-01 Static power conversion for adding d.c.motors

Country Status (4)

Country Link
US (1) US4743814A (xx)
AU (1) AU598631B2 (xx)
CA (1) CA1281067C (xx)
ZA (1) ZA877402B (xx)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4743814A (en) * 1987-02-06 1988-05-10 Sankey Edwin W Static power conversion for adding DC motors
US7398012B2 (en) * 2004-05-12 2008-07-08 Siemens Energy & Automation, Inc. Method for powering mining equipment
US20050253551A1 (en) * 2004-05-12 2005-11-17 Walter Koellner System for powering mining equipment
US7519462B2 (en) * 2005-09-29 2009-04-14 Caterpillar Inc. Crowd force control in electrically propelled machine
WO2012102713A1 (en) * 2011-01-26 2012-08-02 Harnischfeger Technologies, Inc. Hybrid electric shovel
EP2945278B1 (en) * 2014-05-12 2021-03-03 General Electric Technology GmbH Static exciter system for generators

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2567427A (en) * 1949-03-18 1951-09-11 Koppers Co Inc Skip hoist motor control
US2996876A (en) * 1959-09-08 1961-08-22 Owens Illinois Glass Co Drive system including helper motor
US3460278A (en) * 1965-10-21 1969-08-12 Westinghouse Electric Corp Control for a dragline
JPS50118445A (xx) * 1974-03-08 1975-09-17
DE2516693A1 (de) * 1975-04-16 1976-10-28 Blocher Motor Kg Vorrichtung zur steuerung von drehstromasynchronmaschinen
JPS54140123A (en) * 1978-04-24 1979-10-31 Toshiba Corp Variable speed driving device of alternating current motor
US4292572A (en) * 1979-07-26 1981-09-29 Dresser Industries, Inc. Method and apparatus for regulating electric motor armature currents
US4489243A (en) * 1982-05-06 1984-12-18 The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration Solar powered actuator with continuously variable auxiliary power control
US4743814A (en) * 1987-02-06 1988-05-10 Sankey Edwin W Static power conversion for adding DC motors

Also Published As

Publication number Publication date
AU598631B2 (en) 1990-06-28
US4743814A (en) 1988-05-10
CA1281067C (en) 1991-03-05
AU1133888A (en) 1988-08-11

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