JPS56116130A - Voltage stabilizing circuit - Google Patents

Voltage stabilizing circuit

Info

Publication number
JPS56116130A
JPS56116130A JP1788880A JP1788880A JPS56116130A JP S56116130 A JPS56116130 A JP S56116130A JP 1788880 A JP1788880 A JP 1788880A JP 1788880 A JP1788880 A JP 1788880A JP S56116130 A JPS56116130 A JP S56116130A
Authority
JP
Japan
Prior art keywords
resistance
diode
voltage stabilizing
stabilizing circuit
voltage
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.)
Pending
Application number
JP1788880A
Other languages
Japanese (ja)
Inventor
Koji Takei
Kazutoshi Nagai
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.)
Nippon Telegraph and Telephone Corp
Original Assignee
Nippon Telegraph and Telephone Corp
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 Nippon Telegraph and Telephone Corp filed Critical Nippon Telegraph and Telephone Corp
Priority to JP1788880A priority Critical patent/JPS56116130A/en
Publication of JPS56116130A publication Critical patent/JPS56116130A/en
Pending legal-status Critical Current

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

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • General Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Automation & Control Theory (AREA)
  • Continuous-Control Power Sources That Use Transistors (AREA)

Abstract

PURPOSE:To ensure an automatic resetting of a voltage stabilizing circuit, by connecting the cathode of a diode to the output terminal of the voltage stabilizing circuit and then earthing the connection point between the anode of the diode and the resistance via another resistance. CONSTITUTION:The resistance 7 and the transistor TR4 are inserted in series between the input terminal 1 and the output terminal 2, and the TR3 and the resistance 6 are connected directly to the base of the TR4 to be earthed. At the same time, a serial circuit of the resistance 13 and the diode 15 is connected between the terminals 1 and 2. Thus the anode of the diode 15 is earthed via the resistance 14 in the normal operation mode. As a result, an inverse voltage is applied to the diode 15 to prevent the flowing of current. When a overload is applied to the terminal 2, the TR3 and 4 are cut off with the output voltage approximating to zero. Here this load is eliminated, and accordingly the current flows to the base of the TR3 via the resistance 13, diode 15 and resistance 9 each. Thus the TR3 and 4 conduct.
JP1788880A 1980-02-18 1980-02-18 Voltage stabilizing circuit Pending JPS56116130A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1788880A JPS56116130A (en) 1980-02-18 1980-02-18 Voltage stabilizing circuit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1788880A JPS56116130A (en) 1980-02-18 1980-02-18 Voltage stabilizing circuit

Publications (1)

Publication Number Publication Date
JPS56116130A true JPS56116130A (en) 1981-09-11

Family

ID=11956239

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1788880A Pending JPS56116130A (en) 1980-02-18 1980-02-18 Voltage stabilizing circuit

Country Status (1)

Country Link
JP (1) JPS56116130A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63199315U (en) * 1987-06-11 1988-12-22
JP2013196558A (en) * 2012-03-22 2013-09-30 Fujitsu Telecom Networks Ltd Dc power unit and operating method of dc power unit

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63199315U (en) * 1987-06-11 1988-12-22
JP2013196558A (en) * 2012-03-22 2013-09-30 Fujitsu Telecom Networks Ltd Dc power unit and operating method of dc power unit

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