FR2775394B1 - Dispositif de reduction des pertes a vide d'un transformateur - Google Patents

Dispositif de reduction des pertes a vide d'un transformateur

Info

Publication number
FR2775394B1
FR2775394B1 FR9802258A FR9802258A FR2775394B1 FR 2775394 B1 FR2775394 B1 FR 2775394B1 FR 9802258 A FR9802258 A FR 9802258A FR 9802258 A FR9802258 A FR 9802258A FR 2775394 B1 FR2775394 B1 FR 2775394B1
Authority
FR
France
Prior art keywords
transformer
reducing
vacuum loss
vacuum
loss
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.)
Expired - Fee Related
Application number
FR9802258A
Other languages
English (en)
Other versions
FR2775394A1 (fr
Inventor
Jean Luc Scheer
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.)
Legrand SA
Original Assignee
Legrand SA
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 Legrand SA filed Critical Legrand SA
Priority to FR9802258A priority Critical patent/FR2775394B1/fr
Publication of FR2775394A1 publication Critical patent/FR2775394A1/fr
Application granted granted Critical
Publication of FR2775394B1 publication Critical patent/FR2775394B1/fr
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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
    • H02J9/00—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting
    • H02J9/005—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting using a power saving mode
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H3/00—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection
    • H02H3/12—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection responsive to underload or no-load
    • 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
    • H02M5/00—Conversion of ac power input into ac power output, e.g. for change of voltage, for change of frequency, for change of number of phases
    • H02M5/02—Conversion of ac power input into ac power output, e.g. for change of voltage, for change of frequency, for change of number of phases without intermediate conversion into dc
    • H02M5/04—Conversion of ac power input into ac power output, e.g. for change of voltage, for change of frequency, for change of number of phases without intermediate conversion into dc by static converters
    • H02M5/10—Conversion of ac power input into ac power output, e.g. for change of voltage, for change of frequency, for change of number of phases without intermediate conversion into dc by static converters using transformers
    • H02M5/12—Conversion of ac power input into ac power output, e.g. for change of voltage, for change of frequency, for change of number of phases without intermediate conversion into dc by static converters using transformers for conversion of voltage or current amplitude 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
    • H02J9/00—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting
    • H02J9/005—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting using a power saving mode
    • H02J9/007—Detection of the absence of a load

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Control Of Electrical Variables (AREA)
FR9802258A 1998-02-25 1998-02-25 Dispositif de reduction des pertes a vide d'un transformateur Expired - Fee Related FR2775394B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR9802258A FR2775394B1 (fr) 1998-02-25 1998-02-25 Dispositif de reduction des pertes a vide d'un transformateur

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR9802258A FR2775394B1 (fr) 1998-02-25 1998-02-25 Dispositif de reduction des pertes a vide d'un transformateur

Publications (2)

Publication Number Publication Date
FR2775394A1 FR2775394A1 (fr) 1999-08-27
FR2775394B1 true FR2775394B1 (fr) 2000-05-05

Family

ID=9523341

Family Applications (1)

Application Number Title Priority Date Filing Date
FR9802258A Expired - Fee Related FR2775394B1 (fr) 1998-02-25 1998-02-25 Dispositif de reduction des pertes a vide d'un transformateur

Country Status (1)

Country Link
FR (1) FR2775394B1 (fr)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2000152494A (ja) * 1998-11-12 2000-05-30 Alps Electric Co Ltd オートｏｆｆ、あるいはオートｏｎ／ｏｆｆ機能を備えた電子機器
JP3722634B2 (ja) * 1998-12-09 2005-11-30 アルプス電気株式会社 電気機器
ITPS990015A1 (it) * 1999-09-15 2001-03-15 Ecotrafo S N C Trasformatore con basso assorbimento energetico a riposo e relativo circuito di controllo
JP4214649B2 (ja) 2000-02-08 2009-01-28 ソニー株式会社 電源装置およびパルス発生装置
EP1134961B1 (fr) * 2000-03-15 2011-02-16 Grothe GmbH Transformateur de sonnerie
ES2277500B1 (es) * 2005-02-15 2008-06-16 Universidad De Sevilla Procedimiento de regulacion continua de la relacion de tensiones en transformadores.
SG133450A1 (en) * 2005-12-30 2007-07-30 Creative Tech Ltd A power supply with reduced power losses during standby mode

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3441801A (en) * 1968-02-14 1969-04-29 Electronic Safety Controls Inc Electrical distribution system
US4218648A (en) * 1978-12-19 1980-08-19 Sansum Victor H Arrangement for reducing no-load current in an energized transformer
WO1988005220A1 (fr) * 1986-12-29 1988-07-14 Aschwanden, Franz Dispositif d'enclenchement et de declenchement pour le reseau electrique domestique

Also Published As

Publication number Publication date
FR2775394A1 (fr) 1999-08-27

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Legal Events

Date Code Title Description
ST Notification of lapse

Effective date: 20061031