IT7920486A0 - Compensazione di generatori varcircuito di comando di statici e metodo per il suo impiego, particolarmente per forni ad arco. - Google Patents

Compensazione di generatori varcircuito di comando di statici e metodo per il suo impiego, particolarmente per forni ad arco.

Info

Publication number
IT7920486A0
IT7920486A0 IT7920486A IT2048679A IT7920486A0 IT 7920486 A0 IT7920486 A0 IT 7920486A0 IT 7920486 A IT7920486 A IT 7920486A IT 2048679 A IT2048679 A IT 2048679A IT 7920486 A0 IT7920486 A0 IT 7920486A0
Authority
IT
Italy
Prior art keywords
compensation
control circuit
arc furnaces
static control
circuit generators
Prior art date
Application number
IT7920486A
Other languages
English (en)
Other versions
IT1111839B (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 IT7920486A0 publication Critical patent/IT7920486A0/it
Application granted granted Critical
Publication of IT1111839B publication Critical patent/IT1111839B/it

Links

Classifications

    • 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
    • H02J3/1821—Arrangements for adjusting, eliminating or compensating reactive power in networks using shunt compensators
    • H02J3/1835—Arrangements for adjusting, eliminating or compensating reactive power in networks using shunt compensators with stepless control
    • H02J3/1864—Arrangements for adjusting, eliminating or compensating reactive power in networks using shunt compensators with stepless control wherein the stepless control of reactive power is obtained by at least one reactive element connected in series with a semiconductor switch
    • 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
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E40/00—Technologies for an efficient electrical power generation, transmission or distribution
    • Y02E40/10—Flexible AC transmission systems [FACTS]

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Control Of Electrical Variables (AREA)
  • Supply And Distribution Of Alternating Current (AREA)
IT20486/79A 1978-02-23 1979-02-23 Circuito di comando di compensazione di generatori varstatici e metodo per il suo impiego,particolarmente per forni ad arco IT1111839B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/880,270 US4172234A (en) 1978-02-23 1978-02-23 Static VAR generator compensating control circuit and method for using same

Publications (2)

Publication Number Publication Date
IT7920486A0 true IT7920486A0 (it) 1979-02-23
IT1111839B IT1111839B (it) 1986-01-13

Family

ID=25375908

Family Applications (1)

Application Number Title Priority Date Filing Date
IT20486/79A IT1111839B (it) 1978-02-23 1979-02-23 Circuito di comando di compensazione di generatori varstatici e metodo per il suo impiego,particolarmente per forni ad arco

Country Status (7)

Country Link
US (1) US4172234A (it)
JP (1) JPS54122856A (it)
BR (1) BR7901003A (it)
CA (1) CA1133584A (it)
CH (1) CH647621A5 (it)
DE (1) DE2905986A1 (it)
IT (1) IT1111839B (it)

Families Citing this family (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4255700A (en) * 1979-03-09 1981-03-10 Mitsubishi Denki Kabushiki Kaisha Control circuit of reactive power compensation apparatus
DE3243701C2 (de) * 1982-11-23 1986-09-25 Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt Verfahren und Schaltungsanordnung zur dynamischen Blindleistungskompensation und Symmetrierung von unsymmetrischen Netzen und Lasten mit Stromrichtern
DE3308560A1 (de) * 1983-03-08 1984-09-13 Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt Verfahren und schaltungsanordnung zur dynamischen blindleistungskompensation und symmetrierung von unsymmetrischen netzen und lasten mit blindleistungsstromrichtern
US4602206A (en) * 1983-06-28 1986-07-22 General Electric Company Capacitance control for a static var generator
US4496899A (en) * 1983-06-28 1985-01-29 General Electric Company Control for a force commutated current source var generator
DE3429116A1 (de) * 1984-08-04 1986-02-13 Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt Verfahren und schaltungsanordnung zur dynamischen blindleistungskompensation und symmetrierung mit kompensationsstromrichtern
US4599553A (en) * 1985-02-28 1986-07-08 Westinghouse Electric Corp. Malfunction detector for static VAR controllers
DE3616334C2 (de) * 1986-05-15 2000-11-02 Asea Brown Boveri Verfahren zur Dämpfung mindestens einer elektrischen Oberschwingung zur Netzfrequenz in einem mehrphasigen Wechselstromnetz
US4811236A (en) * 1986-11-03 1989-03-07 Westinghouse Electric Corp. Transmission line voltage detector for static VAR generator
US5548203A (en) * 1994-06-29 1996-08-20 Electric Power Research Institute, Inc. Capacitor polarity-based var correction controller for resonant line conditions and large amplitude line harmonics
US5631545A (en) * 1994-06-29 1997-05-20 Electric Power Research Institute, Inc. Apparatus and method for regulating a power line using frequency domain self-synchronization control
US5818208A (en) * 1996-12-19 1998-10-06 Abb Power T&D Company Inc. Flicker controllers using voltage source converters
US6882549B2 (en) 2001-03-21 2005-04-19 Honeywell International Inc. Active filter for power distribution system with selectable harmonic elimination
CN100403651C (zh) * 2005-04-20 2008-07-16 中国电力科学研究院 一种静止型无功功率补偿器的晶闸管阀光电触发板
US9294003B2 (en) 2012-02-24 2016-03-22 Board Of Trustees Of Michigan State University Transformer-less unified power flow controller
WO2015004493A1 (en) 2013-07-11 2015-01-15 General Electric Company Grid power factor control system
RU2686114C1 (ru) * 2018-06-27 2019-04-24 Акционерное общество "Научно-технический центр Федеральной сетевой компании Единой энергетической системы" Способ компенсации несимметрии напряжения в трехфазной сети
TWI769615B (zh) * 2020-12-14 2022-07-01 台達電子工業股份有限公司 相序調節系統及相序調節方法
CN114629178A (zh) 2020-12-14 2022-06-14 台达电子工业股份有限公司 相序调节系统及相序调节方法

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3999117A (en) * 1974-12-23 1976-12-21 Westinghouse Electric Corporation Method and control apparatus for static VAR generator and compensator
US4000455A (en) * 1974-12-23 1976-12-28 Westinghouse Electric Corporation Fast current measurement apparatus for static VAR generator compensator control circuit and method for using same

Also Published As

Publication number Publication date
IT1111839B (it) 1986-01-13
JPS54122856A (en) 1979-09-22
BR7901003A (pt) 1979-09-25
CH647621A5 (de) 1985-01-31
DE2905986A1 (de) 1979-08-30
CA1133584A (en) 1982-10-12
US4172234A (en) 1979-10-23

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