IT1015877B - Alimentazione elettrica di sicurez za per trasmettitore di misura - Google Patents

Alimentazione elettrica di sicurez za per trasmettitore di misura

Info

Publication number
IT1015877B
IT1015877B IT4971574A IT4971574A IT1015877B IT 1015877 B IT1015877 B IT 1015877B IT 4971574 A IT4971574 A IT 4971574A IT 4971574 A IT4971574 A IT 4971574A IT 1015877 B IT1015877 B IT 1015877B
Authority
IT
Italy
Prior art keywords
power supply
electric power
safety electric
measurement transmitter
transmitter
Prior art date
Application number
IT4971574A
Other languages
English (en)
Original Assignee
Rhone Poulenc 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 Rhone Poulenc Sa filed Critical Rhone Poulenc Sa
Application granted granted Critical
Publication of IT1015877B publication Critical patent/IT1015877B/it

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
    • H02H9/04—Emergency protective circuit arrangements for limiting excess current or voltage without disconnection responsive to excess voltage
    • 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
    • G05F1/565—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 sensing a condition of the system or its load in addition to means responsive to deviations in the output of the system, e.g. current, voltage, power factor

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • General Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Automation & Control Theory (AREA)
  • Arrangements For Transmission Of Measured Signals (AREA)
  • Selective Calling Equipment (AREA)
  • Continuous-Control Power Sources That Use Transistors (AREA)
IT4971574A 1973-03-30 1974-03-26 Alimentazione elettrica di sicurez za per trasmettitore di misura IT1015877B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7311659A FR2334274A5 (fr) 1973-03-30 1973-03-30 Alimentation electrique de securite pour transmetteur de mesure

Publications (1)

Publication Number Publication Date
IT1015877B true IT1015877B (it) 1977-05-20

Family

ID=9117202

Family Applications (1)

Application Number Title Priority Date Filing Date
IT4971574A IT1015877B (it) 1973-03-30 1974-03-26 Alimentazione elettrica di sicurez za per trasmettitore di misura

Country Status (9)

Country Link
JP (1) JPS49130763A (it)
BE (1) BE813102A (it)
CH (1) CH589957A5 (it)
DE (1) DE2415357C3 (it)
FR (1) FR2334274A5 (it)
GB (1) GB1422482A (it)
IT (1) IT1015877B (it)
LU (1) LU69743A1 (it)
NL (1) NL158950B (it)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2653571B1 (fr) * 1989-10-20 1991-12-20 Thomson Csf Dispositif de regulation haute performance d'alimentation stabilisee.
US6476522B1 (en) * 2000-05-31 2002-11-05 Micro Motion, Inc. Method and apparatus to control power drawn by a measurement device

Also Published As

Publication number Publication date
JPS49130763A (it) 1974-12-14
CH589957A5 (it) 1977-07-29
LU69743A1 (it) 1974-10-17
DE2415357A1 (de) 1974-10-10
NL7403945A (it) 1974-10-02
DE2415357B2 (de) 1977-09-08
BE813102A (fr) 1974-09-30
NL158950B (nl) 1978-12-15
GB1422482A (en) 1976-01-28
DE2415357C3 (de) 1978-05-11
FR2334274A5 (fr) 1977-07-01

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