IT7822782A0 - Rifasamento del carico. convertitore elettrico per - Google Patents

Rifasamento del carico. convertitore elettrico per

Info

Publication number
IT7822782A0
IT7822782A0 IT7822782A IT2278278A IT7822782A0 IT 7822782 A0 IT7822782 A0 IT 7822782A0 IT 7822782 A IT7822782 A IT 7822782A IT 2278278 A IT2278278 A IT 2278278A IT 7822782 A0 IT7822782 A0 IT 7822782A0
Authority
IT
Italy
Prior art keywords
electrical converter
phase factor
load phase
load
factor
Prior art date
Application number
IT7822782A
Other languages
English (en)
Other versions
IT1094738B (it
Original Assignee
Westinghouse Electric Corp
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 Westinghouse Electric Corp filed Critical Westinghouse Electric Corp
Publication of IT7822782A0 publication Critical patent/IT7822782A0/it
Application granted granted Critical
Publication of IT1094738B publication Critical patent/IT1094738B/it

Links

Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
    • H02M7/00—Conversion of ac power input into dc power output; Conversion of dc power input into ac power output
    • H02M7/66—Conversion of ac power input into dc power output; Conversion of dc power input into ac power output with possibility of reversal
    • H02M7/68—Conversion of ac power input into dc power output; Conversion of dc power input into ac power output with possibility of reversal by static converters
    • H02M7/72—Conversion of ac power input into dc power output; Conversion of dc power input into ac power output with possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode
    • H02M7/75—Conversion of ac power input into dc power output; Conversion of dc power input into ac power output with possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a thyratron or thyristor type requiring extinguishing means
    • H02M7/757—Conversion of ac power input into dc power output; Conversion of dc power input into ac power output with possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a thyratron or thyristor type requiring extinguishing means using semiconductor devices only
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J3/00—Circuit arrangements for ac mains or ac distribution networks
    • H02J3/18—Arrangements for adjusting, eliminating or compensating reactive power in networks
    • H02J3/1892—Arrangements for adjusting, eliminating or compensating reactive power in networks the arrangements being an integral part of the load, e.g. a motor, or of its control circuit
    • 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
    • H02P7/281—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 the DC motor being operated in four quadrants
    • H02P7/2815—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 the DC motor being operated in four quadrants whereby the speed is regulated by measuring the motor speed and comparing it with a given physical value

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Rectifiers (AREA)
  • Control Of Electrical Variables (AREA)
  • Ac-Ac Conversion (AREA)
IT22782/78A 1977-04-28 1978-04-27 Convertitore elettrico per rifasamento del carico IT1094738B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/791,746 US4129809A (en) 1977-04-28 1977-04-28 Power factor corrected dual converter motor drive

Publications (2)

Publication Number Publication Date
IT7822782A0 true IT7822782A0 (it) 1978-04-27
IT1094738B IT1094738B (it) 1985-08-02

Family

ID=25154666

Family Applications (1)

Application Number Title Priority Date Filing Date
IT22782/78A IT1094738B (it) 1977-04-28 1978-04-27 Convertitore elettrico per rifasamento del carico

Country Status (7)

Country Link
US (1) US4129809A (it)
JP (1) JPS5857078B2 (it)
AU (1) AU3518978A (it)
BR (1) BR7802575A (it)
FR (1) FR2389269A1 (it)
IT (1) IT1094738B (it)
MX (1) MX143820A (it)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5534854A (en) * 1978-09-04 1980-03-11 Hitachi Ltd Controlling method of secondary winding-exciting motor
CA1154085A (en) * 1979-09-12 1983-09-20 William F. Wirth Controlled regenerative d-c power supply
US4506196A (en) * 1980-11-13 1985-03-19 Candela Corporation Series inverter for capacitor charging
US4366570A (en) * 1980-11-13 1982-12-28 Candela Corporation Series inverter for capacitor charging
US4647830A (en) * 1980-11-13 1987-03-03 Candela Corporation Series inverter circuit with timing responsive to reflective current
JPS58103013A (ja) * 1981-12-15 1983-06-18 Fuji Electric Co Ltd 無効電力発生装置
FR2704710B1 (fr) * 1993-04-30 1995-06-23 Cegelec Metals Systems Dispositif convertisseur de puissance perfectionné pour l'alimentation en courant continu d'un four électrique à arc.
EP1298802A1 (de) * 2001-09-28 2003-04-02 ABB Schweiz AG Verfahren zum Ansteuern eines Leistungshalbleiters
US6943524B2 (en) * 2003-12-09 2005-09-13 A. O. Smith Corporation Switched reluctance motor regulation
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
EP2293432A1 (en) * 2009-09-07 2011-03-09 Alstom Technology Ltd Static exciter of an electric generator, method for retrofitting and method for operating the same
RU2462528C1 (ru) * 2011-09-30 2012-09-27 Юлия Алексеевна Щепочкина Чугун
RU2459002C1 (ru) * 2011-09-30 2012-08-20 Юлия Алексеевна Щепочкина Чугун

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH571286A5 (it) * 1974-02-07 1975-12-31 Contraves Ag
US4013937A (en) * 1974-07-22 1977-03-22 Westinghouse Electric Corporation Naturally commutated cycloconverter with controlled input displacement power factor
FR2280234A1 (fr) * 1974-07-22 1976-02-20 Westinghouse Electric Corp Appareil changeur de frequence statique et generateur de puissance reactive comprenant un tel appareil
US3959719A (en) * 1975-04-30 1976-05-25 General Electric Corporation Static controller for power factor correction and adaptive filtering

Also Published As

Publication number Publication date
FR2389269A1 (fr) 1978-11-24
JPS5857078B2 (ja) 1983-12-17
IT1094738B (it) 1985-08-02
US4129809A (en) 1978-12-12
JPS53135426A (en) 1978-11-27
BR7802575A (pt) 1979-02-13
MX143820A (es) 1981-07-22
AU3518978A (en) 1979-10-25

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