JPS5324545A - Protective relay - Google Patents

Protective relay

Info

Publication number
JPS5324545A
JPS5324545A JP9861376A JP9861376A JPS5324545A JP S5324545 A JPS5324545 A JP S5324545A JP 9861376 A JP9861376 A JP 9861376A JP 9861376 A JP9861376 A JP 9861376A JP S5324545 A JPS5324545 A JP S5324545A
Authority
JP
Japan
Prior art keywords
protective relay
angle
quotient
impedance
utilizing
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
JP9861376A
Other languages
Japanese (ja)
Inventor
Fumio Ando
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 JP9861376A priority Critical patent/JPS5324545A/en
Publication of JPS5324545A publication Critical patent/JPS5324545A/en
Pending legal-status Critical Current

Links

Landscapes

  • Emergency Protection Circuit Devices (AREA)

Abstract

PURPOSE: To improve a performance for the higher harmonics by utilizing a circuit output from the device, which is provided in the power input circuit, for producing a quotient to the complex constant of angle approximately equal to the angle of impedance of the power line system in the protected region at the fundamental frequency.
COPYRIGHT: (C)1978,JPO&Japio
JP9861376A 1976-08-20 1976-08-20 Protective relay Pending JPS5324545A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP9861376A JPS5324545A (en) 1976-08-20 1976-08-20 Protective relay

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP9861376A JPS5324545A (en) 1976-08-20 1976-08-20 Protective relay

Publications (1)

Publication Number Publication Date
JPS5324545A true JPS5324545A (en) 1978-03-07

Family

ID=14224426

Family Applications (1)

Application Number Title Priority Date Filing Date
JP9861376A Pending JPS5324545A (en) 1976-08-20 1976-08-20 Protective relay

Country Status (1)

Country Link
JP (1) JPS5324545A (en)

Similar Documents

Publication Publication Date Title
JPS5368051A (en) Integrated circuit device
JPS5314549A (en) Spiral traveling wave tube
JPS51127343A (en) Controlling transducer
JPS5244103A (en) Trouble wave breaking equipment
JPS5324545A (en) Protective relay
JPS5320541A (en) Data transmission system
JPS526062A (en) Protection device for high frequency electric power amplifier
JPS5380540A (en) Protective relay device
JPS52155319A (en) Protector for frequency converter
JPS5371238A (en) Protection device of motor-generator
JPS538849A (en) High frequency heater
JPS51134145A (en) Displacement conversion device
JPS5346243A (en) Processor control system
JPS5341967A (en) Wave form shaping circuit
JPS533635A (en) Auxiliary power source for vehicle
JPS529840A (en) Input device for protective relay
JPS5343133A (en) Fuel supply device
JPS5356706A (en) Prevention of drain in intercooler of compressor
JPS52106448A (en) Generator fluctuation suppressor
JPS52117544A (en) Oscillation circuit
JPS5285329A (en) High frequency inverter
JPS52140707A (en) Coupling device and method of turbine vanes
JPS53103529A (en) Circuit for sensing an overlapped angle in power invertor
JPS5244947A (en) Apparatus to attenuate abnormal potential induced in crane
JPS5366033A (en) High frequency heater