BE879011A - CIRCUIT SYSTEM FOR AN INTRINSICALLY SAFE POWER SUPPLY DEVICE - Google Patents

CIRCUIT SYSTEM FOR AN INTRINSICALLY SAFE POWER SUPPLY DEVICE

Info

Publication number
BE879011A
BE879011A BE0/197325A BE197325A BE879011A BE 879011 A BE879011 A BE 879011A BE 0/197325 A BE0/197325 A BE 0/197325A BE 197325 A BE197325 A BE 197325A BE 879011 A BE879011 A BE 879011A
Authority
BE
Belgium
Prior art keywords
power supply
supply device
circuit system
intrinsically safe
safe power
Prior art date
Application number
BE0/197325A
Other languages
French (fr)
Original Assignee
Siemens Ag
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 Siemens Ag filed Critical Siemens Ag
Publication of BE879011A publication Critical patent/BE879011A/en

Links

Classifications

    • 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
    • G05F1/46—Regulating voltage or current wherein the variable actually regulated by the final control device is dc
    • G05F1/56—Regulating voltage or current wherein the variable actually regulated by the final control device is dc using semiconductor devices in series with the load as final control devices
    • G05F1/563—Regulating voltage or current wherein the variable actually regulated by the final control device is dc using semiconductor devices in series with the load as final control devices including two stages of regulation at least one of which is output level responsive, e.g. coarse and fine regulation
    • 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
    • H02H7/10—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 converters; for rectifiers
    • H02H7/12—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 converters; for rectifiers for static converters or rectifiers
    • H02H7/1213—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 converters; for rectifiers for static converters or rectifiers for DC-DC converters
    • 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
    • H02H7/10—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 converters; for rectifiers
    • H02H7/12—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 converters; for rectifiers for static converters or rectifiers
    • H02H7/122—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 converters; for rectifiers for static converters or rectifiers for inverters, i.e. dc/ac converters
    • 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
    • H02M3/00—Conversion of dc power input into dc power output
    • H02M3/22—Conversion of dc power input into dc power output with intermediate conversion into ac
    • H02M3/24—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters
    • H02M3/28—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate ac
    • H02M3/325—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate ac using devices of a triode or a transistor type requiring continuous application of a control signal
    • H02M3/335—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate ac using devices of a triode or a transistor type requiring continuous application of a control signal using semiconductor devices only
    • H02M3/33507—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate ac using devices of a triode or a transistor type requiring continuous application of a control signal using semiconductor devices only with automatic control of the output voltage or current, e.g. flyback converters
    • H02M3/33523—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate ac using devices of a triode or a transistor type requiring continuous application of a control signal using semiconductor devices only with automatic control of the output voltage or current, e.g. flyback converters with galvanic isolation between input and output of both the power stage and the feedback loop

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • General Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Automation & Control Theory (AREA)
  • Dc-Dc Converters (AREA)
  • Emergency Protection Circuit Devices (AREA)
  • Protection Of Static Devices (AREA)
  • Control Of Electrical Variables (AREA)
BE0/197325A 1978-09-29 1979-09-26 CIRCUIT SYSTEM FOR AN INTRINSICALLY SAFE POWER SUPPLY DEVICE BE879011A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19782843093 DE2843093A1 (en) 1978-09-29 1978-09-29 CIRCUIT ARRANGEMENT FOR AN INTRINSICALLY SAFE POWER SUPPLY DEVICE

Publications (1)

Publication Number Publication Date
BE879011A true BE879011A (en) 1980-01-16

Family

ID=6051270

Family Applications (1)

Application Number Title Priority Date Filing Date
BE0/197325A BE879011A (en) 1978-09-29 1979-09-26 CIRCUIT SYSTEM FOR AN INTRINSICALLY SAFE POWER SUPPLY DEVICE

Country Status (5)

Country Link
JP (1) JPS5547517A (en)
BE (1) BE879011A (en)
DE (1) DE2843093A1 (en)
FR (1) FR2437721A1 (en)
GB (1) GB2031623A (en)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5530275A (en) * 1978-08-25 1980-03-04 Matsushita Electric Ind Co Ltd Speaker
DE2937298C2 (en) * 1979-09-12 1985-01-17 Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt Circuit arrangement for an intrinsically safe direct current supply
DE3150398C2 (en) * 1981-12-16 1985-08-29 Siemens AG, 1000 Berlin und 8000 München Intrinsically safe power supply device with a controllable semiconductor arranged in the primary circuit of a transformer
GB2131209B (en) * 1982-11-02 1986-01-15 Newton Derby Ltd Switch mode power supply
DE3322278C2 (en) * 1983-06-16 1987-05-14 Siemens AG, 1000 Berlin und 8000 München Circuit arrangement for regulating the output voltage of a power supply device
FR2585897A1 (en) * 1985-08-02 1987-02-06 Loire Electronique SAFETY CIRCUITS FOR CUT-OUT POWER SUPPLY
DE4121634A1 (en) * 1990-08-09 1992-02-13 Promos Electronic Gmbh POWER SUPPLY FOR INTRINSICALLY SAFE CIRCUITS
GB2265028B (en) * 1992-03-09 1996-05-01 Desmond Wheable A novel method of generating constant alternating voltage or current supply

Also Published As

Publication number Publication date
FR2437721A1 (en) 1980-04-25
FR2437721B3 (en) 1981-07-17
JPS5547517A (en) 1980-04-04
GB2031623A (en) 1980-04-23
DE2843093A1 (en) 1980-04-03

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Legal Events

Date Code Title Description
RE Patent lapsed

Owner name: SIEMENS A.G.

Effective date: 19840926