FR2275921A2 - Dispositif pour eviter les courts-circuits d'echelon dans les commutateurs d'echelon comportant des thyristors a branchement antiparallele - Google Patents

Dispositif pour eviter les courts-circuits d'echelon dans les commutateurs d'echelon comportant des thyristors a branchement antiparallele

Info

Publication number
FR2275921A2
FR2275921A2 FR7517045A FR7517045A FR2275921A2 FR 2275921 A2 FR2275921 A2 FR 2275921A2 FR 7517045 A FR7517045 A FR 7517045A FR 7517045 A FR7517045 A FR 7517045A FR 2275921 A2 FR2275921 A2 FR 2275921A2
Authority
FR
France
Prior art keywords
antiparallele
circuits
connection
avoiding
short
Prior art date
Legal status (The legal status 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 status listed.)
Pending
Application number
FR7517045A
Other languages
English (en)
Inventor
Kurt Kugler
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Maschinenfabrik Reinhausen Gebrueder Scheubeck GmbH and Co KG
Original Assignee
Maschinenfabrik Reinhausen Gebrueder Scheubeck GmbH and Co KG
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
Priority claimed from DE19742426638 external-priority patent/DE2426638C2/de
Application filed by Maschinenfabrik Reinhausen Gebrueder Scheubeck GmbH and Co KG filed Critical Maschinenfabrik Reinhausen Gebrueder Scheubeck GmbH and Co KG
Publication of FR2275921A2 publication Critical patent/FR2275921A2/fr
Pending legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H7/00—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions
    • H02H7/04—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for transformers
    • H02H7/055—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for transformers for tapped transformers or tap-changing means thereof

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Protection Of Transformers (AREA)
  • Keying Circuit Devices (AREA)
  • Control Of Electrical Variables (AREA)
  • Rectifiers (AREA)
FR7517045A 1974-06-01 1975-05-30 Dispositif pour eviter les courts-circuits d'echelon dans les commutateurs d'echelon comportant des thyristors a branchement antiparallele Pending FR2275921A2 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19742426638 DE2426638C2 (de) 1974-06-01 Anordnung zur Verhinderung von Stufenkurzschlüssen bei Lastumschaltern von Stufentransformatoren mit antiparallel geschalteten Thyristoren

Publications (1)

Publication Number Publication Date
FR2275921A2 true FR2275921A2 (fr) 1976-01-16

Family

ID=5917102

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7517045A Pending FR2275921A2 (fr) 1974-06-01 1975-05-30 Dispositif pour eviter les courts-circuits d'echelon dans les commutateurs d'echelon comportant des thyristors a branchement antiparallele

Country Status (6)

Country Link
US (1) US3944913A (fr)
JP (1) JPS512925A (fr)
AT (1) AT340538B (fr)
FR (1) FR2275921A2 (fr)
NO (1) NO136165C (fr)
SE (1) SE399786B (fr)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5166597A (en) * 1991-08-08 1992-11-24 Electric Power Research Institute Phase-shifting transformer system
US5408171A (en) * 1991-10-21 1995-04-18 Electric Power Research Institute, Inc. Combined solid-state and mechanically-switched transformer tap-changer
JPH0546777U (ja) * 1991-11-29 1993-06-22 積水化成品工業株式会社 緩衝材等の発泡体
US5461300A (en) * 1993-03-30 1995-10-24 Electric Power Research Institute, Inc. Phase angle regulating transformer with a single core per phase
US5548166A (en) * 1993-12-09 1996-08-20 Long Island Lighting Company Momentary power outage carryover device
US5530338A (en) * 1995-03-06 1996-06-25 Beckwith; Robert W. Load tapchanger transformer paralleling by daisy chain comparison of load currents
US6078148A (en) * 1998-10-09 2000-06-20 Relume Corporation Transformer tap switching power supply for LED traffic signal
US6472851B2 (en) 2000-07-05 2002-10-29 Robicon Corporation Hybrid tap-changing transformer with full range of control and high resolution
US7737667B2 (en) * 2004-10-14 2010-06-15 Utility Systems Technologies, Inc. 3-phase electronic tap changer commutation and device
US8207716B2 (en) * 2004-10-14 2012-06-26 Utility Systems Technologies, Inc. Useful improvements in the art of 3-phase electronic tap changer commutation device

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1438592A1 (de) * 1961-02-11 1969-01-16 Siemens Ag Anordnung zur unterbrechungslosen,lichtbogen- und spannungseinbruchsfreien Lastumschaltung bei Stufentransformatoren
JPS507727B1 (fr) * 1969-11-04 1975-03-28
SE350143B (fr) * 1971-02-05 1972-10-16 Asea Ab
US3706024A (en) * 1971-03-29 1972-12-12 Westinghouse Electric Corp Tap changing apparatus having a gate control tripper
DE2207367C2 (de) * 1972-02-17 1974-02-28 Reinhausen Maschf Scheubeck Anordnung zur Verhinderung von Stufenkurzschlüssen bei Lastumschaltern von Stufentransformatoren mit antiparallel geschalteten Thyristoren

Also Published As

Publication number Publication date
US3944913A (en) 1976-03-16
ATA410875A (de) 1977-04-15
NO136165B (no) 1977-04-18
JPS512925A (fr) 1976-01-12
SE399786B (sv) 1978-02-27
SE7506012L (sv) 1975-12-02
DE2426638B1 (de) 1975-10-09
NO136165C (no) 1977-07-27
AT340538B (de) 1977-12-27
DE2426638A1 (fr) 1975-10-09
NO751917L (fr) 1975-12-02

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