NO173672C - Krets og fremgangsmaate for regulering av impedans i en vekselstroems-linje - Google Patents

Krets og fremgangsmaate for regulering av impedans i en vekselstroems-linje

Info

Publication number
NO173672C
NO173672C NO873937A NO873937A NO173672C NO 173672 C NO173672 C NO 173672C NO 873937 A NO873937 A NO 873937A NO 873937 A NO873937 A NO 873937A NO 173672 C NO173672 C NO 173672C
Authority
NO
Norway
Prior art keywords
series
controlled
reactance
inductor
reactance device
Prior art date
Application number
NO873937A
Other languages
English (en)
Other versions
NO173672B (no
NO873937L (no
NO873937D0 (no
Inventor
John J Vithayathil
Original Assignee
John J Vithayathil
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 John J Vithayathil filed Critical John J Vithayathil
Publication of NO873937D0 publication Critical patent/NO873937D0/no
Publication of NO873937L publication Critical patent/NO873937L/no
Publication of NO173672B publication Critical patent/NO173672B/no
Publication of NO173672C publication Critical patent/NO173672C/no

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
    • H02J3/1807—Arrangements for adjusting, eliminating or compensating reactive power in networks using series compensators
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05F—SYSTEMS FOR REGULATING ELECTRIC OR MAGNETIC VARIABLES
    • G05F1/00—Automatic systems in which deviations of an electric quantity from one or more predetermined values are detected at the output of the system and fed back to a device within the system to restore the detected quantity to its predetermined value or values, i.e. retroactive systems
    • G05F1/10—Regulating voltage or current
    • G05F1/12—Regulating voltage or current wherein the variable actually regulated by the final control device is ac
    • G05F1/24—Regulating voltage or current wherein the variable actually regulated by the final control device is ac using bucking or boosting transformers as final control devices
    • G05F1/26—Regulating voltage or current wherein the variable actually regulated by the final control device is ac using bucking or boosting transformers as final control devices combined with discharge tubes or semiconductor devices
    • G05F1/30—Regulating voltage or current wherein the variable actually regulated by the final control device is ac using bucking or boosting transformers as final control devices combined with discharge tubes or semiconductor devices semiconductor devices only
    • 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]
    • 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
    • Y02E40/30—Reactive power compensation

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Automation & Control Theory (AREA)
  • Electromagnetism (AREA)
  • General Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Physics & Mathematics (AREA)
  • Supply And Distribution Of Alternating Current (AREA)
  • Control Of Electrical Variables (AREA)
  • Networks Using Active Elements (AREA)
  • Discharge Heating (AREA)
  • Endoscopes (AREA)
  • Details Of Connecting Devices For Male And Female Coupling (AREA)
NO873937A 1986-01-22 1987-09-21 Krets og fremgangsmaate for regulering av impedans i en vekselstroems-linje NO173672C (no)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US06/821,196 US5032738A (en) 1986-01-22 1986-01-22 Scheme for rapid adjustment of network impedance
PCT/US1987/000220 WO1987004538A1 (en) 1986-01-22 1987-01-22 Scheme for rapid adjustment of network impedance

Publications (4)

Publication Number Publication Date
NO873937D0 NO873937D0 (no) 1987-09-21
NO873937L NO873937L (no) 1987-11-23
NO173672B NO173672B (no) 1993-10-04
NO173672C true NO173672C (no) 1994-01-12

Family

ID=25232771

Family Applications (1)

Application Number Title Priority Date Filing Date
NO873937A NO173672C (no) 1986-01-22 1987-09-21 Krets og fremgangsmaate for regulering av impedans i en vekselstroems-linje

Country Status (12)

Country Link
US (1) US5032738A (no)
EP (1) EP0258314B1 (no)
AT (1) ATE94297T1 (no)
AU (1) AU7026987A (no)
BR (1) BR8705390A (no)
CA (1) CA1312649C (no)
DE (1) DE3787335T2 (no)
FI (1) FI100748B (no)
IN (1) IN166749B (no)
NO (1) NO173672C (no)
TR (1) TR23181A (no)
WO (1) WO1987004538A1 (no)

Families Citing this family (59)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE465596B (sv) * 1990-02-16 1991-09-30 Asea Brown Boveri Seriekondensatorutrustning med styrbar krets foer daempning av subsynkrona resonanssvaengningar
CA2050068A1 (en) * 1990-09-27 1992-03-28 Richard Wayne Glaser Power factor improving arrangement
US5202583A (en) * 1991-12-13 1993-04-13 Electric Power Research Institute Thyristor controlled series capacitor vernier control system
US5227713A (en) * 1991-08-08 1993-07-13 Electric Power Research Institute Vernier control system for subsynchronous resonance mitigation
US5621305A (en) * 1991-12-13 1997-04-15 Electric Power Research Institute, Inc. Overload management system
US5424627A (en) * 1991-12-13 1995-06-13 Electric Power Research Institute Modular thyristor controlled series capacitor control system
US5374853A (en) * 1991-12-13 1994-12-20 Electric Power Research, Inc. Transient damping thyristor controlled series capacitor system
EP0571643B1 (de) * 1992-05-18 1996-05-01 Siemens Aktiengesellschaft Verfahren und Vorrichtung zur symmetrischen Aussteuerung einer gesteuerten Serienkompensationsanlage
EP0571642B1 (de) * 1992-05-18 1998-01-14 Siemens Aktiengesellschaft Verfahren und Vorrichtung zur Erzeugung eines Synchronisiersignals für einen Steuersatz zur Ansteuerung eines Stromrichterventils eines gesteuerten Serienkompensators
DE59205866D1 (de) * 1992-05-20 1996-05-02 Siemens Ag Verfahren und Vorrichtung zur Entlastung eines Kondensators eines gesteuerten Serienkompensators in Abhängigkeit der Belastung seines Ableiters
DE59203773D1 (de) * 1992-05-20 1995-10-26 Siemens Ag Verfahren und Vorrichtung zur Erkennung von Defekten in einem Ansteuersystem eines gesteuerten Serienkompensators.
US5528202A (en) * 1992-08-27 1996-06-18 Motorola, Inc. Distributed capacitance transmission line
US5341281A (en) * 1993-05-14 1994-08-23 Allen-Bradley Company, Inc. Harmonic compensator using low leakage reactance transformer
US5434497A (en) * 1993-06-02 1995-07-18 General Electric Company Vernier enhanced control for shunt connected thyristor-controlled capacitors
SE9302632D0 (sv) * 1993-08-13 1993-08-13 Peter Nygren Anordning för kompensering av reaktiv effekt i elektriska system
US5825162A (en) * 1994-07-25 1998-10-20 Hitachi, Ltd. Electric power flow controller
US5814975A (en) * 1995-06-05 1998-09-29 Westinghouse Electric Corporation Inverter controlled series compensator
SE505745C3 (sv) * 1996-01-18 1997-10-06 Asea Brown Boveri Anordning foer styrning av en regulatorutrustning foer daempning av effektsvaengningar i en kraftlinje
US5801460A (en) * 1996-07-18 1998-09-01 Sundstrand Corporation Electrical power transmitting system with reduced feeder size and method of operation
EP0934618A1 (en) * 1997-08-25 1999-08-11 JOHO, Reinhard Circuit for stabilizing an ac power line
US6172488B1 (en) * 1998-04-10 2001-01-09 Kabushiki Kaisha Toshiba AC transmission system with reactance compensation
EP0951126B1 (en) * 1998-04-15 2009-07-22 Mitsubishi Electric Corporation Compensation device and power transmission system using a compensation device
EP0982827A1 (en) * 1998-08-26 2000-03-01 Mitsubishi Electric Corporation Compensation device and power transmission system using a compensation device
US6274851B1 (en) 1999-08-31 2001-08-14 Inverpower Controls Ltd. Electric arc furnace controller
US6559654B2 (en) * 2001-03-29 2003-05-06 General Electric Company Method and system for automatic determination of inductance
US6600294B1 (en) * 2002-01-23 2003-07-29 Tyco Electronics Corp. Switched reactance phase shifters
US6737837B1 (en) * 2002-11-25 2004-05-18 Abb Ab Device and a method for control of power flow in a transmission line
DE10345020A1 (de) * 2003-09-23 2005-05-12 Siemens Ag Vorrichtung zum Einstellen der Impedanz einer Wechselstrom führenden Hochspannungsleitung
SE526001C2 (sv) * 2003-09-26 2005-06-14 Abb Research Ltd System för överföring av elektrisk kraft
US7288921B2 (en) * 2004-06-25 2007-10-30 Emerson Process Management Power & Water Solutions, Inc. Method and apparatus for providing economic analysis of power generation and distribution
WO2006024149A1 (en) 2004-09-01 2006-03-09 Hatch Ltd. System and method for minimizing loss of electrical conduction during input of feed material to a furnace
SE527686C2 (sv) * 2004-10-29 2006-05-09 Abb Research Ltd Styrning av elektriskt effektflöde
EP2587603A2 (en) * 2005-01-31 2013-05-01 Georgia Tech Research Corporation Active current surge limiters with inrush current anticipation
JP4847970B2 (ja) 2005-01-31 2011-12-28 ジョージア テック リサーチ コーポレイション アクティブサージ電流制限器
CA2627313C (en) 2005-10-24 2014-12-16 Georgia Tech Research Corporation Reduction of inrush current due to voltage sags
WO2007065383A1 (de) * 2005-12-07 2007-06-14 Siemens Aktiengesellschaft Elektroenergieübertragungseinrichtung
US20080056327A1 (en) * 2006-08-30 2008-03-06 Hatch Ltd. Method and system for predictive electrode lowering in a furnace
EP1928069A1 (en) * 2006-11-30 2008-06-04 Abb Research Ltd. Device and method for controlling power flow in a power network
CA2683429C (en) 2007-04-05 2017-03-07 Georgia Tech Research Corporation Voltage surge and overvoltage protection
US8080769B2 (en) * 2008-01-10 2011-12-20 Hewlett-Packard Development Company, L.P. Characterization of AC mains circuit parameters
US8378448B2 (en) 2009-03-18 2013-02-19 International Business Machines Corporation Chip inductor with frequency dependent inductance
US8405453B2 (en) 2010-07-20 2013-03-26 International Business Machines Corporation Millimeter-wave on-chip switch employing frequency-dependent inductance for cancellation of off-state capacitance
CN201781278U (zh) * 2010-08-02 2011-03-30 郑军 动力配电电路和动力配电柜
US9299524B2 (en) 2010-12-30 2016-03-29 Innovolt, Inc. Line cord with a ride-through functionality for momentary disturbances
WO2012145383A2 (en) 2011-04-18 2012-10-26 Innovolt, Inc. Voltage sag corrector using a variable duty cycle boost converter
US9467112B2 (en) * 2014-07-25 2016-10-11 Ge Energy Power Conversion Technology Ltd Hybrid thyristor-controlled series capacitor and passive damping filter for series capacitors
US10180696B2 (en) 2015-12-08 2019-01-15 Smart Wires Inc. Distributed impedance injection module for mitigation of the Ferranti effect
US10418814B2 (en) 2015-12-08 2019-09-17 Smart Wires Inc. Transformers with multi-turn primary windings for dynamic power flow control
US10903653B2 (en) 2015-12-08 2021-01-26 Smart Wires Inc. Voltage agnostic power reactor
US10008317B2 (en) 2015-12-08 2018-06-26 Smart Wires Inc. Voltage or impedance-injection method using transformers with multiple secondary windings for dynamic power flow control
US10199150B2 (en) 2015-12-10 2019-02-05 Smart Wires Inc. Power transmission tower mounted series injection transformer
US10218175B2 (en) 2016-02-11 2019-02-26 Smart Wires Inc. Dynamic and integrated control of total power system using distributed impedance injection modules and actuator devices within and at the edge of the power grid
US10097037B2 (en) 2016-02-11 2018-10-09 Smart Wires Inc. System and method for distributed grid control with sub-cyclic local response capability
US10651633B2 (en) 2016-04-22 2020-05-12 Smart Wires Inc. Modular, space-efficient structures mounting multiple electrical devices
US10468880B2 (en) 2016-11-15 2019-11-05 Smart Wires Inc. Systems and methods for voltage regulation using split-conductors with loop current reduction
US10666038B2 (en) 2017-06-30 2020-05-26 Smart Wires Inc. Modular FACTS devices with external fault current protection
US10227860B1 (en) * 2017-09-20 2019-03-12 Upwing Energy, LLC Axial generator measurement tool
DE102018218477A1 (de) * 2018-10-29 2020-04-30 Siemens Aktiengesellschaft Magnetisch regelbare Drosselspule in Reihenschaltung
CN114188119A (zh) * 2021-11-08 2022-03-15 南方电网科学研究院有限责任公司 一种电感可调的电抗器及其电感调节方法

Family Cites Families (33)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH485346A (de) * 1968-07-19 1970-01-31 Bbc Brown Boveri & Cie Anordnung zur Dämpfung von asynchron-selbster regten Schwingungen für eine Synchronmaschine
FR2137013B1 (no) * 1971-05-11 1973-05-11 Entreprises Soc Gle
US3731183A (en) * 1971-09-29 1973-05-01 Inductotherm Corp Power control and phase angle correcting apparatus
US3855134A (en) * 1972-04-17 1974-12-17 Cities Service Co Intumescent composition
US3745437A (en) * 1972-05-18 1973-07-10 Lorain Prod Corp Regulator circuit having a multi-stepped regulating wave
US3936727A (en) * 1973-10-12 1976-02-03 General Electric Company High speed control of reactive power for voltage stabilization in electric power systems
SE378719B (no) * 1973-12-13 1975-09-08 Asea Ab
US3999115A (en) * 1974-05-02 1976-12-21 Westinghouse Electric Corporation Dynamic stabilizer for synchronous machines having torsional oscillations and method
US3999117A (en) * 1974-12-23 1976-12-21 Westinghouse Electric Corporation Method and control apparatus for static VAR generator and compensator
US3992661A (en) * 1975-08-25 1976-11-16 General Electric Company Reactive current compensating apparatus for electric power systems
CH609182A5 (no) * 1975-12-01 1979-02-15 Asea Ab
US4096431A (en) * 1976-03-29 1978-06-20 Asea Aktiebolag Disconnecting thyristors from thyristor controlled reactance
US4356441A (en) * 1977-06-30 1982-10-26 Electric Power Research Institute, Inc. Voltage regulator utilizing a static VAR generator with half period averaging and saturating type firing angle control
US4156176A (en) * 1977-06-30 1979-05-22 Electric Power Research Institute, Inc. Voltage regulator utilizing a static var generator
US4204151A (en) * 1978-04-03 1980-05-20 Westinghouse Electric Corp. Static VAR generator with non-linear frequency dependent dynamic gain adjuster
US4234843A (en) * 1978-09-15 1980-11-18 Westinghouse Electric Corp. Static VAR generator with discrete capacitive current levels
US4210860A (en) * 1978-09-15 1980-07-01 Westinghouse Electric Corp. VAR Generator with current sensitive inductance break point
US4255700A (en) * 1979-03-09 1981-03-10 Mitsubishi Denki Kabushiki Kaisha Control circuit of reactive power compensation apparatus
US4302715A (en) * 1979-06-15 1981-11-24 Westinghouse Electric Corp. Dynamic parallel inductive stabilizer for synchronous machines having torsional oscillations
US4434376A (en) * 1979-07-23 1984-02-28 Electric Power Research Institute, Inc. Method and means for damping subsynchronous oscillations and DC offset in an AC power system
EP0026260B1 (de) * 1979-09-27 1984-03-28 Siemens Aktiengesellschaft Vorrichtung zum Regeln der Spannung zwischen zwei Leitern eines Wechselstromversorgungsnetzes für rasch wechselnde Last
US4353024A (en) * 1980-06-10 1982-10-05 Westinghouse Electric Corp. Control for VAR generator with deadband
JPS5833930A (ja) * 1981-08-20 1983-02-28 三菱電機株式会社 静止形無効電力補償方法
US4438386A (en) * 1981-09-10 1984-03-20 Westinghouse Electric Corp. Static VAR generation for transmission line compensation of subsynchronous resonance
US4451777A (en) * 1981-09-10 1984-05-29 Westinghouse Electric Corp. Static VAR generation for transmission line compensation
US4437052A (en) * 1981-12-17 1984-03-13 Westinghouse Electric Corp. Static VAR generator
GB2120875B (en) * 1982-04-21 1985-10-23 Univ Bradford Speed and power factor controller for a 3-phase induction motor
US4470005A (en) * 1982-11-02 1984-09-04 Westinghouse Electric Corp. Static VAR generator having a thyristor circuit arrangement providing reduced losses
DE3464828D1 (en) * 1983-02-08 1987-08-20 Bbc Brown Boveri & Cie Reactive power compensator
US4513240A (en) * 1983-06-08 1985-04-23 Westinghouse Electric Corp. Method and apparatus for selective cancellation of subsynchronous resonance
CA1193351A (fr) * 1983-06-14 1985-09-10 Gerald Roberge Methode et systeme d'interconnexion de reseaux triphases syncrones au asynchrones au moyen d'impedances reactives variables
US4560917A (en) * 1983-12-21 1985-12-24 Westinghouse Electric Corp. Static VAR generator having reduced harmonics
US4555659A (en) * 1984-02-27 1985-11-26 Westinghouse Electric Corp. Static VAR generator system having improved response time

Also Published As

Publication number Publication date
EP0258314B1 (en) 1993-09-08
FI874135A0 (fi) 1987-09-22
DE3787335D1 (de) 1993-10-14
DE3787335T2 (de) 1994-01-05
NO173672B (no) 1993-10-04
IN166749B (no) 1990-07-14
ATE94297T1 (de) 1993-09-15
BR8705390A (pt) 1987-12-22
AU7026987A (en) 1987-08-14
EP0258314A1 (en) 1988-03-09
WO1987004538A1 (en) 1987-07-30
EP0258314A4 (en) 1988-03-30
NO873937L (no) 1987-11-23
NO873937D0 (no) 1987-09-21
FI100748B (fi) 1998-02-13
FI874135A (fi) 1987-09-22
US5032738A (en) 1991-07-16
CA1312649C (en) 1993-01-12
TR23181A (tr) 1989-06-06

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