JPS52115344A - Digital protective relay device - Google Patents

Digital protective relay device

Info

Publication number
JPS52115344A
JPS52115344A JP3226976A JP3226976A JPS52115344A JP S52115344 A JPS52115344 A JP S52115344A JP 3226976 A JP3226976 A JP 3226976A JP 3226976 A JP3226976 A JP 3226976A JP S52115344 A JPS52115344 A JP S52115344A
Authority
JP
Japan
Prior art keywords
relay device
protective relay
digital protective
transmission line
trouble
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
JP3226976A
Other languages
Japanese (ja)
Inventor
Toshiaki Sakaguchi
Shunichi Yuya
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.)
Mitsubishi Electric Corp
Original Assignee
Mitsubishi Electric 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 Mitsubishi Electric Corp filed Critical Mitsubishi Electric Corp
Priority to JP3226976A priority Critical patent/JPS52115344A/en
Publication of JPS52115344A publication Critical patent/JPS52115344A/en
Pending legal-status Critical Current

Links

Landscapes

  • Emergency Protection Circuit Devices (AREA)

Abstract

PURPOSE: To distinguish inner trouble and outer trouble of transmission line safely by introducing values in which original wave shape of voltage and electric current are sampled always, and also by regarding transmission line with distribution constant circuit.
COPYRIGHT: (C)1977,JPO&Japio
JP3226976A 1976-03-24 1976-03-24 Digital protective relay device Pending JPS52115344A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP3226976A JPS52115344A (en) 1976-03-24 1976-03-24 Digital protective relay device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP3226976A JPS52115344A (en) 1976-03-24 1976-03-24 Digital protective relay device

Publications (1)

Publication Number Publication Date
JPS52115344A true JPS52115344A (en) 1977-09-27

Family

ID=12354271

Family Applications (1)

Application Number Title Priority Date Filing Date
JP3226976A Pending JPS52115344A (en) 1976-03-24 1976-03-24 Digital protective relay device

Country Status (1)

Country Link
JP (1) JPS52115344A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5383048A (en) * 1976-12-29 1978-07-22 Mitsubishi Electric Corp Protective relay

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5383048A (en) * 1976-12-29 1978-07-22 Mitsubishi Electric Corp Protective relay
JPS5639131B2 (en) * 1976-12-29 1981-09-10

Similar Documents

Publication Publication Date Title
GB2033159B (en) Current limiting circuit breaker
DE2965950D1 (en) Circuit breaker with separated main and shunt current paths
JPS52115344A (en) Digital protective relay device
JPS531845A (en) Digital protective relay
JPS52114940A (en) Digital protective relay unit of multiple terminal transmission line
JPS5383046A (en) Digital protective relay
JPS5221630A (en) Anti-overcurrent and starting device of dc power transmission system
JPS52110447A (en) Digital protective relaying system
JPS53114856A (en) Electrical insulating composition having excellent water-tree resistance
JPS5391357A (en) Digital protective relay device
JPS5383049A (en) Digital protective relay
JPS5383045A (en) Digital protective relay
JPS53109148A (en) Digital protective relay
JPS5321786A (en) Insulated conductor
JPS52156360A (en) Digital protective relay
JPS53145041A (en) Digital protective relay
JPS5243962A (en) Digital type protective relay device
JPS52120353A (en) Protective device for dc power transmission system
JPS53114855A (en) Electrical insulating composition having excellent water-tree resistance
JPS5228640A (en) Protective relay
JPS55163738A (en) Current limiting circuit breaker
JPS5214856A (en) Overcurrent protective device
JPS5419145A (en) Digital protective relay
JPS51142624A (en) An electric car protective device
JPS5220246A (en) Protective system for multi-terminal system