JPS5388940A - Digital synchronous examination device - Google Patents

Digital synchronous examination device

Info

Publication number
JPS5388940A
JPS5388940A JP290877A JP290877A JPS5388940A JP S5388940 A JPS5388940 A JP S5388940A JP 290877 A JP290877 A JP 290877A JP 290877 A JP290877 A JP 290877A JP S5388940 A JPS5388940 A JP S5388940A
Authority
JP
Japan
Prior art keywords
examination device
digital synchronous
synchronous examination
digital
parallel
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
JP290877A
Other languages
Japanese (ja)
Inventor
Goo Nohara
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 JP290877A priority Critical patent/JPS5388940A/en
Publication of JPS5388940A publication Critical patent/JPS5388940A/en
Pending legal-status Critical Current

Links

Landscapes

  • Supply And Distribution Of Alternating Current (AREA)

Abstract

PURPOSE: To improve economic property, by doing voltage difference and phase difference of two power systems which are made synchronously and in parallel with the same treatment.
COPYRIGHT: (C)1978,JPO&Japio
JP290877A 1977-01-17 1977-01-17 Digital synchronous examination device Pending JPS5388940A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP290877A JPS5388940A (en) 1977-01-17 1977-01-17 Digital synchronous examination device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP290877A JPS5388940A (en) 1977-01-17 1977-01-17 Digital synchronous examination device

Publications (1)

Publication Number Publication Date
JPS5388940A true JPS5388940A (en) 1978-08-04

Family

ID=11542446

Family Applications (1)

Application Number Title Priority Date Filing Date
JP290877A Pending JPS5388940A (en) 1977-01-17 1977-01-17 Digital synchronous examination device

Country Status (1)

Country Link
JP (1) JPS5388940A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2011149915A (en) * 2010-01-25 2011-08-04 Origin Electric Co Ltd Synchronization detecting apparatus
JP2014016368A (en) * 2013-10-17 2014-01-30 Origin Electric Co Ltd Synchronization detection method

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2011149915A (en) * 2010-01-25 2011-08-04 Origin Electric Co Ltd Synchronization detecting apparatus
JP2014016368A (en) * 2013-10-17 2014-01-30 Origin Electric Co Ltd Synchronization detection method

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