JPS54108251A - Protective relay device - Google Patents

Protective relay device

Info

Publication number
JPS54108251A
JPS54108251A JP1563678A JP1563678A JPS54108251A JP S54108251 A JPS54108251 A JP S54108251A JP 1563678 A JP1563678 A JP 1563678A JP 1563678 A JP1563678 A JP 1563678A JP S54108251 A JPS54108251 A JP S54108251A
Authority
JP
Japan
Prior art keywords
circuit
difference
electricity
time
electric current
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
JP1563678A
Other languages
Japanese (ja)
Inventor
Mitsuru Yamaura
Michiharu Abe
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 JP1563678A priority Critical patent/JPS54108251A/en
Publication of JPS54108251A publication Critical patent/JPS54108251A/en
Pending legal-status Critical Current

Links

Landscapes

  • Protection Of Transformers (AREA)
  • Emergency Protection Circuit Devices (AREA)

Abstract

PURPOSE: To enable to work the device in high speed at an inner trouble time, by facilitating time co-operation between working quantity of electricity and suppression quantity of electricity.
CONSTITUTION: In the device, difference circuit 33 by which electric current difference in each terminal of electric power systems, circuit 35 which commutates output from this circuit 33, sum circuit 40 which sums up electric current, after rectifying electric current in each terminal, and circuit 100 in which difference between working quantity of electricity obtained in a circuit fundamental wave passing filter 34 and suppression quantity of electricity obtained in the sum circuit 40 can be obtained are provided, and when output of this circuit 100 is over a specified value, relay output can be obtained. Thus, since it is not neccessary to make the difference of transient characteristics among working quantity and suppression quantity to be avoided with time-limiting timer such as former condition, high speed treatment at an inner trouble time can be easily done, and at the same time, structure of the relay device can be simplified.
COPYRIGHT: (C)1979,JPO&Japio
JP1563678A 1978-02-14 1978-02-14 Protective relay device Pending JPS54108251A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1563678A JPS54108251A (en) 1978-02-14 1978-02-14 Protective relay device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1563678A JPS54108251A (en) 1978-02-14 1978-02-14 Protective relay device

Publications (1)

Publication Number Publication Date
JPS54108251A true JPS54108251A (en) 1979-08-24

Family

ID=11894197

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1563678A Pending JPS54108251A (en) 1978-02-14 1978-02-14 Protective relay device

Country Status (1)

Country Link
JP (1) JPS54108251A (en)

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