JPS5228639A - Relay with plural inputs - Google Patents

Relay with plural inputs

Info

Publication number
JPS5228639A
JPS5228639A JP10453675A JP10453675A JPS5228639A JP S5228639 A JPS5228639 A JP S5228639A JP 10453675 A JP10453675 A JP 10453675A JP 10453675 A JP10453675 A JP 10453675A JP S5228639 A JPS5228639 A JP S5228639A
Authority
JP
Japan
Prior art keywords
relay
plural inputs
power system
current
digital
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
JP10453675A
Other languages
Japanese (ja)
Inventor
Minoru Iwasaki
Takayuki Kobayashi
Ryotaro Kondo
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
Tokyo Electric Power Co Holdings Inc
Original Assignee
Toshiba Corp
Tokyo Electric Power Co Inc
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 Electric Power Co Inc, Tokyo Shibaura Electric Co Ltd filed Critical Toshiba Corp
Priority to JP10453675A priority Critical patent/JPS5228639A/en
Publication of JPS5228639A publication Critical patent/JPS5228639A/en
Pending legal-status Critical Current

Links

Landscapes

  • Emergency Protection Circuit Devices (AREA)

Abstract

PURPOSE: To obtain identical characteristic with that of analog relay from digital values of voltage and current, , in a digital relay where failure in power system is detected by performing operation on instantaneous voltage and current values of power system.
COPYRIGHT: (C)1977,JPO&Japio
JP10453675A 1975-08-30 1975-08-30 Relay with plural inputs Pending JPS5228639A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP10453675A JPS5228639A (en) 1975-08-30 1975-08-30 Relay with plural inputs

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP10453675A JPS5228639A (en) 1975-08-30 1975-08-30 Relay with plural inputs

Publications (1)

Publication Number Publication Date
JPS5228639A true JPS5228639A (en) 1977-03-03

Family

ID=14383202

Family Applications (1)

Application Number Title Priority Date Filing Date
JP10453675A Pending JPS5228639A (en) 1975-08-30 1975-08-30 Relay with plural inputs

Country Status (1)

Country Link
JP (1) JPS5228639A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS53114504A (en) * 1977-03-17 1978-10-06 Suezou Sasaoka Fan with movable blades

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5050647A (en) * 1973-09-08 1975-05-07

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5050647A (en) * 1973-09-08 1975-05-07

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS53114504A (en) * 1977-03-17 1978-10-06 Suezou Sasaoka Fan with movable blades

Similar Documents

Publication Publication Date Title
JPS5228639A (en) Relay with plural inputs
JPS5210514A (en) Transformation device
JPS5265815A (en) Booster circuit
JPS5253251A (en) Constant voltage circuit
JPS5239156A (en) High voltage generating circuit
JPS5210748A (en) Automatic supervisory system
JPS538842A (en) High frequency heater
JPS52126738A (en) Protective relay
JPS5271969A (en) Analog signal output unit
JPS5228638A (en) Relay with plural inputs
JPS52126737A (en) Protective relay
JPS52126739A (en) Protective relay
JPS51122719A (en) Ac motor operating system
JPS52126740A (en) Proteceive relay
JPS5220246A (en) Protective system for multi-terminal system
JPS51134844A (en) Over voltage restricting system of d.c. power transmission system
JPS52154022A (en) Control system for thyristor chopper circuit
JPS5316843A (en) Protective relay device
JPS52126741A (en) Protective relay
JPS5278050A (en) Protective relay
JPS5243962A (en) Digital type protective relay device
JPS5226413A (en) Control system of motor without commutator
JPS5232253A (en) Double integration type analog digital conversion circuit
JPS5254150A (en) Load controller
JPS5220247A (en) Converter circuit protective relay means