JPS5778313A - 3-phase comparing circuit - Google Patents

3-phase comparing circuit

Info

Publication number
JPS5778313A
JPS5778313A JP55153909A JP15390980A JPS5778313A JP S5778313 A JPS5778313 A JP S5778313A JP 55153909 A JP55153909 A JP 55153909A JP 15390980 A JP15390980 A JP 15390980A JP S5778313 A JPS5778313 A JP S5778313A
Authority
JP
Japan
Prior art keywords
comparing circuit
phase comparing
phase
circuit
comparing
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
JP55153909A
Other languages
English (en)
Japanese (ja)
Other versions
JPH0370790B2 (enExample
Inventor
Hiroyuki Kudou
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 JP55153909A priority Critical patent/JPS5778313A/ja
Publication of JPS5778313A publication Critical patent/JPS5778313A/ja
Publication of JPH0370790B2 publication Critical patent/JPH0370790B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Measuring Phase Differences (AREA)
  • Emergency Protection Circuit Devices (AREA)
JP55153909A 1980-11-04 1980-11-04 3-phase comparing circuit Granted JPS5778313A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP55153909A JPS5778313A (en) 1980-11-04 1980-11-04 3-phase comparing circuit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP55153909A JPS5778313A (en) 1980-11-04 1980-11-04 3-phase comparing circuit

Publications (2)

Publication Number Publication Date
JPS5778313A true JPS5778313A (en) 1982-05-17
JPH0370790B2 JPH0370790B2 (enExample) 1991-11-08

Family

ID=15572749

Family Applications (1)

Application Number Title Priority Date Filing Date
JP55153909A Granted JPS5778313A (en) 1980-11-04 1980-11-04 3-phase comparing circuit

Country Status (1)

Country Link
JP (1) JPS5778313A (enExample)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4562507A (en) * 1983-01-24 1985-12-31 Hitachi, Ltd. Protective relay

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS52145076A (en) * 1976-05-27 1977-12-02 Mitsubishi Electric Corp Phase discriminating circuit

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS52145076A (en) * 1976-05-27 1977-12-02 Mitsubishi Electric Corp Phase discriminating circuit

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4562507A (en) * 1983-01-24 1985-12-31 Hitachi, Ltd. Protective relay

Also Published As

Publication number Publication date
JPH0370790B2 (enExample) 1991-11-08

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