NO126455B - - Google Patents

Download PDF

Info

Publication number
NO126455B
NO126455B NO190771A NO190771A NO126455B NO 126455 B NO126455 B NO 126455B NO 190771 A NO190771 A NO 190771A NO 190771 A NO190771 A NO 190771A NO 126455 B NO126455 B NO 126455B
Authority
NO
Norway
Prior art keywords
voltage
current
output
output current
value
Prior art date
Application number
NO190771A
Other languages
English (en)
Norwegian (no)
Inventor
Sven Bertil Arkenback
Rune Bertil Carlsson
Original Assignee
Ericsson Telefon Ab L M
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 Ericsson Telefon Ab L M filed Critical Ericsson Telefon Ab L M
Publication of NO126455B publication Critical patent/NO126455B/no

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
    • G05F1/565—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
    • G05F1/569—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 for protection
    • G05F1/573—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 for protection with overcurrent detector
    • 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
    • H02H3/025—Disconnection after limiting, e.g. when limiting is not sufficient or for facilitating disconnection

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • General Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Automation & Control Theory (AREA)
  • Emergency Protection Circuit Devices (AREA)
NO190771A 1970-05-21 1971-05-19 NO126455B (OSRAM)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE696970A SE342364B (OSRAM) 1970-05-21 1970-05-21

Publications (1)

Publication Number Publication Date
NO126455B true NO126455B (OSRAM) 1973-02-05

Family

ID=20270050

Family Applications (1)

Application Number Title Priority Date Filing Date
NO190771A NO126455B (OSRAM) 1970-05-21 1971-05-19

Country Status (6)

Country Link
CH (1) CH541886A (OSRAM)
DE (1) DE2122280A1 (OSRAM)
FR (1) FR2090186A1 (OSRAM)
NL (1) NL7106576A (OSRAM)
NO (1) NO126455B (OSRAM)
SE (1) SE342364B (OSRAM)

Also Published As

Publication number Publication date
FR2090186A1 (OSRAM) 1972-01-14
NL7106576A (OSRAM) 1971-11-23
DE2122280A1 (de) 1971-11-25
CH541886A (de) 1973-09-15
SE342364B (OSRAM) 1972-01-31

Similar Documents

Publication Publication Date Title
US3125715A (en) Regulated power supply circuits
US3988643A (en) Latch circuit
US3192441A (en) Means for protecting regulated power supplies against the flow of excessive currents
US3101441A (en) Transistor voltage regulator
US4415945A (en) Detector apparatus of the two-terminal type supplied with rectified A.C. power the voltage of which can vary in a wide range, with load control by switching thyristors
US4013925A (en) Overload protection circuit for voltage regulator
US4271447A (en) Power supply for circuit breaker static trip unit
US3445751A (en) Current limiting voltage regulator
US3131344A (en) Protective system for transistor regulator
SE417390B (sv) Omkopplingskrets
US3113260A (en) Current protection device
US3160788A (en) Electrical protective relays
US3597655A (en) Overvoltage protective circuit for constant voltage-current crossover network
NO126455B (OSRAM)
US3932774A (en) Electronic monitoring system with short-circuit protection
US3234453A (en) Overload protection for d.c. power supply with load current interrupted upon overload conditions
US3105188A (en) All-transistor regulated power supply having a protection circuit
US3040238A (en) Power supply
US3109981A (en) Over-voltage protective circuit
US3090905A (en) Power supply overload protector
US3104353A (en) Transistorized overload and short-circuit protection device
NO123875B (OSRAM)
US3414778A (en) Solid state overload current controller
US3988695A (en) Protection circuit for output stage of low frequency amplifiers
US3120635A (en) Short circuit protector for transistorized circuits