JPS57191572A - Display device for passing of overcurrent - Google Patents

Display device for passing of overcurrent

Info

Publication number
JPS57191572A
JPS57191572A JP56121186A JP12118681A JPS57191572A JP S57191572 A JPS57191572 A JP S57191572A JP 56121186 A JP56121186 A JP 56121186A JP 12118681 A JP12118681 A JP 12118681A JP S57191572 A JPS57191572 A JP S57191572A
Authority
JP
Japan
Prior art keywords
display
valve body
display device
overcurrent
cylinder
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
JP56121186A
Other languages
English (en)
Japanese (ja)
Other versions
JPH0115035B2 (enrdf_load_stackoverflow
Inventor
Tadashi Takamatsu
Yoshihiro Funakoshi
Mitsuharu Hisatomi
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.)
Takamatsu Electric Works Ltd
Original Assignee
Takamatsu Electric Works 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 Takamatsu Electric Works Ltd filed Critical Takamatsu Electric Works Ltd
Priority to JP56121186A priority Critical patent/JPS57191572A/ja
Publication of JPS57191572A publication Critical patent/JPS57191572A/ja
Publication of JPH0115035B2 publication Critical patent/JPH0115035B2/ja
Granted legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R19/00—Arrangements for measuring currents or voltages or for indicating presence or sign thereof
    • G01R19/165—Indicating that current or voltage is either above or below a predetermined value or within or outside a predetermined range of values
    • G01R19/16566—Circuits and arrangements for comparing voltage or current with one or several thresholds and for indicating the result not covered by subgroups G01R19/16504, G01R19/16528, G01R19/16533
    • G01R19/16571—Circuits and arrangements for comparing voltage or current with one or several thresholds and for indicating the result not covered by subgroups G01R19/16504, G01R19/16528, G01R19/16533 comparing AC or DC current with one threshold, e.g. load current, over-current, surge current or fault current

Landscapes

  • Emergency Protection Circuit Devices (AREA)
  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Testing Of Short-Circuits, Discontinuities, Leakage, Or Incorrect Line Connections (AREA)
  • Locating Faults (AREA)
  • Measurement Of Current Or Voltage (AREA)
  • Audible And Visible Signals (AREA)
JP56121186A 1981-07-31 1981-07-31 Display device for passing of overcurrent Granted JPS57191572A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP56121186A JPS57191572A (en) 1981-07-31 1981-07-31 Display device for passing of overcurrent

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP56121186A JPS57191572A (en) 1981-07-31 1981-07-31 Display device for passing of overcurrent

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
JP56077105A Division JPS57191569A (en) 1981-05-21 1981-05-21 Display device for passing of overcurrent

Publications (2)

Publication Number Publication Date
JPS57191572A true JPS57191572A (en) 1982-11-25
JPH0115035B2 JPH0115035B2 (enrdf_load_stackoverflow) 1989-03-15

Family

ID=14804979

Family Applications (1)

Application Number Title Priority Date Filing Date
JP56121186A Granted JPS57191572A (en) 1981-07-31 1981-07-31 Display device for passing of overcurrent

Country Status (1)

Country Link
JP (1) JPS57191572A (enrdf_load_stackoverflow)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109545526A (zh) * 2019-01-14 2019-03-29 常逸坤 一种变压器断电紧急报警装置

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109545526A (zh) * 2019-01-14 2019-03-29 常逸坤 一种变压器断电紧急报警装置

Also Published As

Publication number Publication date
JPH0115035B2 (enrdf_load_stackoverflow) 1989-03-15

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