JPS5478446A - Timed trouble investigator - Google Patents

Timed trouble investigator

Info

Publication number
JPS5478446A
JPS5478446A JP14622377A JP14622377A JPS5478446A JP S5478446 A JPS5478446 A JP S5478446A JP 14622377 A JP14622377 A JP 14622377A JP 14622377 A JP14622377 A JP 14622377A JP S5478446 A JPS5478446 A JP S5478446A
Authority
JP
Japan
Prior art keywords
switch
turned
sectioning
investigator
timed
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.)
Granted
Application number
JP14622377A
Other languages
Japanese (ja)
Other versions
JPS5810935B2 (en
Inventor
Isao Taguchi
Kenichi Hirasawa
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.)
Toshiba Corp
Original Assignee
Toshiba Corp
Tokyo Shibaura Electric Co Ltd
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 Toshiba Corp, Tokyo Shibaura Electric Co Ltd filed Critical Toshiba Corp
Priority to JP14622377A priority Critical patent/JPS5810935B2/en
Publication of JPS5478446A publication Critical patent/JPS5478446A/en
Publication of JPS5810935B2 publication Critical patent/JPS5810935B2/en
Expired legal-status Critical Current

Links

Landscapes

  • Stand-By Power Supply Arrangements (AREA)
  • Emergency Protection Circuit Devices (AREA)

Abstract

PURPOSE: To quickly restore a line to a proper state if instantaneous cut-off occurs in the line at a position "direct transmission", by supplying voltage outputs to a control circuit through rectifiers and using the higher voltage output as a control power source of the control circuit.
CONSTITUTION: The timed trouble investigator is set insuch a handle position (direct transmission) as to open switches SW4, SW5 and close other switches SW1, SW2, SW3 so that a timer circuit 18 is disconnected and an immediate sectioning switch 14 is turned on by an input selector circuit only. When there is a voltage on the side of a power source, the immcdiate sectioning switch 14 is turned on by a circuit consisting of the switch SW1, a diode D2 and the switch SW2. When there is a voltage on the side of a load, the immediate sectioning switch 14 is turned on by a circuit consisting of the switch SW3, a diode D3 and the switch SW2. A relay X 1 is held for 2 seconds and the sectioning switch 14 is immediately restored and reclosed according to the instantaneous cut-off and restoration of the power even if the instantaneous cut-off takes place on the side of either the power source or the load after the switch 14 is turned on. Thus, the time of power failure in the high voltage distribution line is prevented from being lengthened due to the instantaneous power cut-off even if the timed trouble investigator 17a is in the handle position.
COPYRIGHT: (C)1979,JPO&Japio
JP14622377A 1977-12-06 1977-12-06 Timed accident investigation device Expired JPS5810935B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP14622377A JPS5810935B2 (en) 1977-12-06 1977-12-06 Timed accident investigation device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP14622377A JPS5810935B2 (en) 1977-12-06 1977-12-06 Timed accident investigation device

Publications (2)

Publication Number Publication Date
JPS5478446A true JPS5478446A (en) 1979-06-22
JPS5810935B2 JPS5810935B2 (en) 1983-02-28

Family

ID=15402886

Family Applications (1)

Application Number Title Priority Date Filing Date
JP14622377A Expired JPS5810935B2 (en) 1977-12-06 1977-12-06 Timed accident investigation device

Country Status (1)

Country Link
JP (1) JPS5810935B2 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5691624A (en) * 1979-12-26 1981-07-24 Tokyo Shibaura Electric Co Fault searching device

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5691624A (en) * 1979-12-26 1981-07-24 Tokyo Shibaura Electric Co Fault searching device
JPS6327930B2 (en) * 1979-12-26 1988-06-06 Tokyo Shibaura Electric Co

Also Published As

Publication number Publication date
JPS5810935B2 (en) 1983-02-28

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