JPH0315403B2 - - Google Patents

Info

Publication number
JPH0315403B2
JPH0315403B2 JP56089796A JP8979681A JPH0315403B2 JP H0315403 B2 JPH0315403 B2 JP H0315403B2 JP 56089796 A JP56089796 A JP 56089796A JP 8979681 A JP8979681 A JP 8979681A JP H0315403 B2 JPH0315403 B2 JP H0315403B2
Authority
JP
Japan
Prior art keywords
circuit
delay circuit
input
input voltage
delay
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.)
Expired - Lifetime
Application number
JP56089796A
Other languages
English (en)
Japanese (ja)
Other versions
JPS57206224A (en
Inventor
Hiroyuki Kudo
Tomio Chiba
Junichi Makino
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.)
Hitachi Ltd
Original Assignee
Hitachi 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 Hitachi Ltd filed Critical Hitachi Ltd
Priority to JP8979681A priority Critical patent/JPS57206224A/ja
Publication of JPS57206224A publication Critical patent/JPS57206224A/ja
Publication of JPH0315403B2 publication Critical patent/JPH0315403B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Emergency Protection Circuit Devices (AREA)
JP8979681A 1981-06-11 1981-06-11 Mho type protective relay Granted JPS57206224A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP8979681A JPS57206224A (en) 1981-06-11 1981-06-11 Mho type protective relay

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP8979681A JPS57206224A (en) 1981-06-11 1981-06-11 Mho type protective relay

Publications (2)

Publication Number Publication Date
JPS57206224A JPS57206224A (en) 1982-12-17
JPH0315403B2 true JPH0315403B2 (en:Method) 1991-03-01

Family

ID=13980659

Family Applications (1)

Application Number Title Priority Date Filing Date
JP8979681A Granted JPS57206224A (en) 1981-06-11 1981-06-11 Mho type protective relay

Country Status (1)

Country Link
JP (1) JPS57206224A (en:Method)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5724903B2 (ja) * 2012-02-20 2015-05-27 株式会社安川電機 電源回生装置および電力変換装置

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2907682C2 (de) * 1979-02-27 1983-06-23 Siemens AG, 1000 Berlin und 8000 München Schaltungsanordnung zum Speichern der Phasenlage einer Wechselspannung

Also Published As

Publication number Publication date
JPS57206224A (en) 1982-12-17

Similar Documents

Publication Publication Date Title
US4204170A (en) Impulse noise limiter circuit
CA1056909A (en) Apparatus for localization of a line fault
JPH0812222B2 (ja) ディジタル故障点標定装置
JPH0315403B2 (en:Method)
US4209717A (en) Sample and hold circuit
JPH0434457Y2 (en:Method)
JPH0132736B2 (en:Method)
JP3211061B2 (ja) デジタル保護継電装置
JPS5821963B2 (ja) クオ−ドレ−チヤ形検波装置
JPH0158735B2 (en:Method)
JPH02130431A (ja) 焦電型赤外線センサ
JP3257879B2 (ja) ボンディングワイヤの短絡検出装置
JP3034729B2 (ja) 部分放電測定方法
SU1485273A1 (ru) Устройство для контроля и измерения напряжения
JPH0427505B2 (en:Method)
SU1092435A1 (ru) Способ определени места повреждени на лини х электропередачи и устройство дл его осуществлени
JP2588188B2 (ja) 地絡方向継電器
JPS6010129Y2 (ja) クロックゲ−ト回路
JPS5916079A (ja) ミラ−積分回路
JPH03756Y2 (en:Method)
JPH0763796A (ja) 避雷器制限電圧測定装置
JPS6387122A (ja) 距離継電器
SU1448303A1 (ru) Устройство дл измерени сопротивлени изол ции электрических сетей посто нного тока
SU1518674A1 (ru) Радиоизотопный толщиномер
SU1149184A1 (ru) Устройство дл измерени сопротивлени изол ции электрических сетей