DE3906621C2 - Eigensichere Stromversorgungseinheit - Google Patents

Eigensichere Stromversorgungseinheit

Info

Publication number
DE3906621C2
DE3906621C2 DE3906621A DE3906621A DE3906621C2 DE 3906621 C2 DE3906621 C2 DE 3906621C2 DE 3906621 A DE3906621 A DE 3906621A DE 3906621 A DE3906621 A DE 3906621A DE 3906621 C2 DE3906621 C2 DE 3906621C2
Authority
DE
Germany
Prior art keywords
voltage
line
supply unit
power supply
intrinsically safe
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
DE3906621A
Other languages
German (de)
English (en)
Other versions
DE3906621C1 (https=
Inventor
Guy Dipl Ing Geuns
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.)
Caterpillar Global Mining Europe GmbH
Original Assignee
Hemscheidt Hermann Maschinenfabrik GmbH and Co
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 Hemscheidt Hermann Maschinenfabrik GmbH and Co filed Critical Hemscheidt Hermann Maschinenfabrik GmbH and Co
Priority to DE3906621A priority Critical patent/DE3906621C2/de
Priority to GB9004261A priority patent/GB2232021B/en
Priority to US07/487,380 priority patent/US5050060A/en
Application granted granted Critical
Publication of DE3906621C1 publication Critical patent/DE3906621C1/de
Publication of DE3906621C2 publication Critical patent/DE3906621C2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H9/00—Emergency protective circuit arrangements for limiting excess current or voltage without disconnection
    • H02H9/008—Intrinsically safe circuits

Landscapes

  • Emergency Protection Circuit Devices (AREA)
DE3906621A 1989-03-02 1989-03-02 Eigensichere Stromversorgungseinheit Expired - Fee Related DE3906621C2 (de)

Priority Applications (3)

Application Number Priority Date Filing Date Title
DE3906621A DE3906621C2 (de) 1989-03-02 1989-03-02 Eigensichere Stromversorgungseinheit
GB9004261A GB2232021B (en) 1989-03-02 1990-02-26 An intrinsically safe power supply unit
US07/487,380 US5050060A (en) 1989-03-02 1990-03-02 Intrinsically safe power supply unit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE3906621A DE3906621C2 (de) 1989-03-02 1989-03-02 Eigensichere Stromversorgungseinheit

Publications (2)

Publication Number Publication Date
DE3906621C1 DE3906621C1 (https=) 1990-04-12
DE3906621C2 true DE3906621C2 (de) 1995-05-04

Family

ID=6375329

Family Applications (1)

Application Number Title Priority Date Filing Date
DE3906621A Expired - Fee Related DE3906621C2 (de) 1989-03-02 1989-03-02 Eigensichere Stromversorgungseinheit

Country Status (3)

Country Link
US (1) US5050060A (https=)
DE (1) DE3906621C2 (https=)
GB (1) GB2232021B (https=)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19805373B4 (de) * 1998-02-11 2009-09-17 Hahn, Uwe Schaltungsanordnung für Netzteile

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4033313A1 (de) * 1989-10-19 1991-06-13 Drexelbrook Controls Eigensicherheitssystem
GB2283622B (en) * 1993-11-03 1998-01-14 Plessey Semiconductors Ltd Overvoltage protection circuit
CA2146619C (en) * 1994-04-14 2005-02-08 Kevin M. Huczko Intrinsically safe power source
GB2298092A (en) * 1995-02-18 1996-08-21 Thorpe F W Plc Control circuit for lighting apparatus
US5610552A (en) * 1995-07-28 1997-03-11 Rosemount, Inc. Isolation circuitry for transmitter electronics in process control system
CA2277686A1 (en) * 1999-07-14 2001-01-14 Milltronics Ltd. An intrinsically safe universal switching power supply
DE10049994A1 (de) * 2000-10-10 2002-04-11 Endress Hauser Gmbh Co Schaltungsanordnung zum Überwachen und/oder zum Einstellen von Versorgungsspannungen
JP3708489B2 (ja) * 2002-01-30 2005-10-19 株式会社シマノ 自転車用ダイナモの電圧クランプ回路
US7245511B2 (en) * 2004-08-25 2007-07-17 Itron, Inc. Resistor dropper power supply with surge protection
DE602005004257T2 (de) * 2005-03-09 2009-02-26 Patent-Treuhand-Gesellschaft für elektrische Glühlampen mbH Überlast-Schutzvorrichtung für elektronische Konverter, zum Beispiel für Halogen Lampen
DE102010033954A1 (de) * 2010-08-10 2012-02-16 Krohne Messtechnik Gmbh Energieversorgungsvorrichtung
US9343899B2 (en) * 2013-10-03 2016-05-17 Fisher Controls International Llc Intrinsically safe voltage limiting shunt regulator circuit
JP7070019B2 (ja) * 2018-04-19 2022-05-18 横河電機株式会社 電源装置及び機器システム

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB977913A (en) * 1962-03-20 1964-12-16 Redding Robert James Improvements in or relating to electrical apparatus and systems
GB1412036A (en) * 1972-04-06 1975-10-29 Foxboro Co Interface assembly in a process control system for use where there is a fire hazard
GB1393748A (en) * 1972-06-28 1975-05-14 Ind Instr Ltd Voltage regulating circuits
DE2263541A1 (de) * 1972-12-27 1974-07-04 Bbc Brown Boveri & Cie Schaltungsanordnung zur spannungsbegrenzung in eigensicheren stromkreisen
CH567344A5 (https=) * 1973-07-13 1975-09-30 Zellweger Uster Ag
YU43752B (en) * 1978-10-16 1989-12-31 Marko Petrovic Transistorized voltage limiter
GB2139830B (en) * 1983-04-26 1987-01-07 Manufacturing Electrical Desig Power supply for use in inflammable atmospheres
GB2145858A (en) * 1983-08-27 1985-04-03 Hunslett Monitoring system

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19805373B4 (de) * 1998-02-11 2009-09-17 Hahn, Uwe Schaltungsanordnung für Netzteile

Also Published As

Publication number Publication date
GB2232021B (en) 1993-07-28
US5050060A (en) 1991-09-17
DE3906621C1 (https=) 1990-04-12
GB9004261D0 (en) 1990-04-18
GB2232021A (en) 1990-11-28

Similar Documents

Publication Publication Date Title
DE3906621C2 (de) Eigensichere Stromversorgungseinheit
DE69712243T2 (de) Universeller Leistungsmodul
DE69005647T2 (de) System zum ableiten elektrischer energie von einer hochspannungs-gleichstrom-übertragungsleitung.
DE3855209T2 (de) Sicherheitsbarrieren für Zweileiter-Sender
DE3338301C2 (https=)
EP0811168B1 (de) Spannungswandler mit erhöhter spannungsfestigkeit
DE69508056T2 (de) Stromrichterkupplung mit einer spannungsausgleichsschaltung
EP0009811B1 (de) Leitungsverstärker mit einer Schaltungsanordnung zum eingangs- und ausgangsseitigen Überspannungsgrobschutz
DE2122528A1 (de) Steuerbarer Dämpfungsvierpol
DE3130054A1 (de) Fernversorgungsschaltung
EP0575639B1 (de) Fehlerstromschutzschalter
EP0193989A2 (de) Überspannungsschutzschaltung für breitbandige digitale Leitungssysteme
DE3013212C2 (https=)
DE4229303B4 (de) Gleichrichter
DE3419652A1 (de) Schaltungsanordnung zum schutz von transienten netzstoerungen von elektronischen stromversorgungseinrichtungen
DE3143622C2 (https=)
EP0346849A2 (de) Schaltnetzteil mit Schutz zur Begrenzung einer Ausgangsspannung
DE3009997A1 (de) Aktiver kapazitiver spannungsteiler
DE4427032C1 (de) Schaltungsanordnung mit einem ferngespeisten Gleichspannungsumrichter
DE2512836A1 (de) Hochspannungs-messvorrichtung
DE3604049C2 (https=)
DE2409901B2 (de) Schaltungsanordnung zum ueberlastungsschutz von spannungsempfindlichen einrichtungen
DE607940C (de) Kompensierte Wechselstromleitung
DE1616511A1 (de) Frequenzdiskriminator vereinfachter Bauweise
DE2725168A1 (de) Schutzvorrichtung gegen ueberspannungen in einem netz mit isoliertem nulleiter

Legal Events

Date Code Title Description
8100 Publication of the examined application without publication of unexamined application
D1 Grant (no unexamined application published) patent law 81
8363 Opposition against the patent
8366 Restricted maintained after opposition proceedings
8305 Restricted maintenance of patent after opposition
D3 Patent maintained restricted (no unexamined application published)
8327 Change in the person/name/address of the patent owner

Owner name: DBT DEUTSCHE BERGBAU-TECHNIK GMBH, 42109 WUPPERTAL

8339 Ceased/non-payment of the annual fee