DE3927564A1 - Hochspannungstransformator-schutzschaltung - Google Patents

Hochspannungstransformator-schutzschaltung

Info

Publication number
DE3927564A1
DE3927564A1 DE3927564A DE3927564A DE3927564A1 DE 3927564 A1 DE3927564 A1 DE 3927564A1 DE 3927564 A DE3927564 A DE 3927564A DE 3927564 A DE3927564 A DE 3927564A DE 3927564 A1 DE3927564 A1 DE 3927564A1
Authority
DE
Germany
Prior art keywords
voltage
current
voltage transformer
resistor
scr
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.)
Granted
Application number
DE3927564A
Other languages
German (de)
English (en)
Other versions
DE3927564C2 (cg-RX-API-DMAC7.html
Inventor
Hiroshi Ikeuchi
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.)
Murata Manufacturing Co Ltd
Original Assignee
Murata Manufacturing Co Ltd
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 JP1147699A external-priority patent/JPH0828938B2/ja
Application filed by Murata Manufacturing Co Ltd filed Critical Murata Manufacturing Co Ltd
Publication of DE3927564A1 publication Critical patent/DE3927564A1/de
Application granted granted Critical
Publication of DE3927564C2 publication Critical patent/DE3927564C2/de
Granted legal-status Critical Current

Links

Classifications

    • 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
    • H02H3/02—Details
    • H02H3/021—Details concerning the disconnection itself, e.g. at a particular instant, particularly at zero value of current, disconnection in a predetermined order
    • H02H3/023—Details concerning the disconnection itself, e.g. at a particular instant, particularly at zero value of current, disconnection in a predetermined order by short-circuiting
    • 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N3/00—Scanning details of television systems; Combination thereof with generation of supply voltages
    • H04N3/10—Scanning details of television systems; Combination thereof with generation of supply voltages by means not exclusively optical-mechanical
    • H04N3/16—Scanning details of television systems; Combination thereof with generation of supply voltages by means not exclusively optical-mechanical by deflecting electron beam in cathode-ray tube, e.g. scanning corrections
    • H04N3/20—Prevention of damage to cathode-ray tubes in the event of failure of scanning

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Dc-Dc Converters (AREA)
  • Details Of Television Scanning (AREA)
DE3927564A 1988-08-22 1989-08-21 Hochspannungstransformator-schutzschaltung Granted DE3927564A1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP20893288 1988-08-22
JP1147699A JPH0828938B2 (ja) 1988-08-22 1989-06-09 高圧トランス保護回路

Publications (2)

Publication Number Publication Date
DE3927564A1 true DE3927564A1 (de) 1990-03-01
DE3927564C2 DE3927564C2 (cg-RX-API-DMAC7.html) 1992-02-20

Family

ID=26478160

Family Applications (1)

Application Number Title Priority Date Filing Date
DE3927564A Granted DE3927564A1 (de) 1988-08-22 1989-08-21 Hochspannungstransformator-schutzschaltung

Country Status (2)

Country Link
US (1) US5119262A (cg-RX-API-DMAC7.html)
DE (1) DE3927564A1 (cg-RX-API-DMAC7.html)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0800251A1 (fr) * 1996-04-04 1997-10-08 Gec Alsthom T & D Sa Système de protection d'un transformateur de distribution triphasé à isolation dans un diélectrique liquide

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH05299991A (ja) * 1991-06-06 1993-11-12 Nec Corp モノリシックパワーｍｏｓ集積回路
DE69324892T2 (de) * 1992-12-01 1999-09-16 Thomson Consumer Electronics, Inc. Überspannungsschutzvorrichtung für Fernsehgeräte
DE19610762A1 (de) * 1996-03-19 1997-09-25 Thomson Brandt Gmbh Schaltnetzteil mit verringerter Oberwellenbelastung des Netzes
US5764002A (en) * 1996-07-01 1998-06-09 U.S. Philips Corporation Over-current protection circuit for use in television horizontal deflection circuits
JP2001015287A (ja) * 1999-04-30 2001-01-19 Ushio Inc 誘電体バリア放電ランプ光源装置
US6535692B2 (en) 2000-06-05 2003-03-18 Konica Corporation Camera with built-in electronic flash and electronic flash device
PL203206B1 (pl) * 2003-07-17 2009-09-30 Abb Spo & Lstrok Ka Z Ogranicz Układ zabezpieczający dla przekładników napięciowych średniego napięcia
US8276051B2 (en) * 2007-12-12 2012-09-25 Densbits Technologies Ltd. Chien-search system employing a clock-gating scheme to save power for error correction decoder and other applications

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3743601A1 (de) * 1986-12-31 1988-07-14 Gold Star Co Hochspannung-stabilisierschaltung fuer ueberhitzungsschutz

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4149209A (en) * 1975-07-31 1979-04-10 Rca Corporation Over-voltage amplitude prevention circuit for high voltage and deflection generating system
US4754206A (en) * 1986-08-26 1988-06-28 Zenith Electronics Corporation Shutdown circuit for CRT high voltage system
US4885509A (en) * 1987-04-30 1989-12-05 Murata Manufacturing Company High voltage generating apparatus for supplying high voltage to cathode ray tube

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3743601A1 (de) * 1986-12-31 1988-07-14 Gold Star Co Hochspannung-stabilisierschaltung fuer ueberhitzungsschutz

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0800251A1 (fr) * 1996-04-04 1997-10-08 Gec Alsthom T & D Sa Système de protection d'un transformateur de distribution triphasé à isolation dans un diélectrique liquide
FR2747245A1 (fr) * 1996-04-04 1997-10-10 Gec Alsthom T & D Sa Systeme de protection d'un transformateur de distribution triphase a isolation dans un dielectrique liquide

Also Published As

Publication number Publication date
US5119262A (en) 1992-06-02
DE3927564C2 (cg-RX-API-DMAC7.html) 1992-02-20

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Legal Events

Date Code Title Description
8110 Request for examination paragraph 44
D2 Grant after examination
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee