JPS52103649A - Protection relay - Google Patents

Protection relay

Info

Publication number
JPS52103649A
JPS52103649A JP2005976A JP2005976A JPS52103649A JP S52103649 A JPS52103649 A JP S52103649A JP 2005976 A JP2005976 A JP 2005976A JP 2005976 A JP2005976 A JP 2005976A JP S52103649 A JPS52103649 A JP S52103649A
Authority
JP
Japan
Prior art keywords
protection relay
distortion
wave form
fault
inoperation
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
JP2005976A
Other languages
Japanese (ja)
Other versions
JPS57731B2 (en
Inventor
Mitsuru Yamaura
Shigeru Suzuki
Kazunobu Fukuda
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 JP2005976A priority Critical patent/JPS52103649A/en
Publication of JPS52103649A publication Critical patent/JPS52103649A/en
Publication of JPS57731B2 publication Critical patent/JPS57731B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Emergency Protection Circuit Devices (AREA)

Abstract

PURPOSE: To provide a capable operation for the regional fault against a distortion of the wave form without sacrificing accuracy of inoperation for a fault outside the region with a performance equivalent to the present system in case of no distortion of the wave form.
COPYRIGHT: (C)1977,JPO&Japio
JP2005976A 1976-02-27 1976-02-27 Protection relay Granted JPS52103649A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2005976A JPS52103649A (en) 1976-02-27 1976-02-27 Protection relay

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2005976A JPS52103649A (en) 1976-02-27 1976-02-27 Protection relay

Publications (2)

Publication Number Publication Date
JPS52103649A true JPS52103649A (en) 1977-08-31
JPS57731B2 JPS57731B2 (en) 1982-01-07

Family

ID=12016496

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2005976A Granted JPS52103649A (en) 1976-02-27 1976-02-27 Protection relay

Country Status (1)

Country Link
JP (1) JPS52103649A (en)

Also Published As

Publication number Publication date
JPS57731B2 (en) 1982-01-07

Similar Documents

Publication Publication Date Title
JPS52100149A (en) Digital failure point evaluating unit
JPS5394130A (en) Printing recorder
JPS5280753A (en) Information transfer retrial system
JPS5361367A (en) Band fitting device
JPS5219446A (en) Air-conditioning system
JPS52103649A (en) Protection relay
JPS5247103A (en) Turbine blade
JPS5335942A (en) Failure point dividing system
JPS5376276A (en) Hydraulic operation unit
JPS53100303A (en) Internal structure for steps in axial-flow fluid machine
JPS52143464A (en) Calculator type protective relay system
JPS5219448A (en) Air-conditioniner
JPS51118053A (en) Digital type protective relay system
JPS5237606A (en) System to changeover to bypass at time of turbine trip
JPS52129948A (en) Phase comparator relay
JPS527053A (en) Bleeding device for absorption system refrigerator
JPS52151843A (en) Checking system of digital protective relay device
JPS52144820A (en) Keeper for piping
JPS5353748A (en) Protective relays
JPS537672A (en) 4-aminomethyl-5,6,7-trihydroxyisocoumarin
JPS5270654A (en) Mechanism for connecting blade
JPS5346502A (en) Preventing system from overspeed of steam turbine
JPS5315326A (en) N,n,n',n'-tetraglycidyltolylenediamine
JPS5375337A (en) Remedies for mephritis
JPS5258837A (en) Protective relay