JPS58117413A - 過電流通過表示装置の表示弁 - Google Patents

過電流通過表示装置の表示弁

Info

Publication number
JPS58117413A
JPS58117413A JP56215883A JP21588381A JPS58117413A JP S58117413 A JPS58117413 A JP S58117413A JP 56215883 A JP56215883 A JP 56215883A JP 21588381 A JP21588381 A JP 21588381A JP S58117413 A JPS58117413 A JP S58117413A
Authority
JP
Japan
Prior art keywords
valve
indicator
specific gravity
fluid
overcurrent
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
JP56215883A
Other languages
English (en)
Japanese (ja)
Other versions
JPS6334433B2 (enrdf_load_stackoverflow
Inventor
Masao Ishigure
石榑　正夫
Mitsuo Oota
太田　満男
Naotoshi Takaoka
高岡　直敏
Mitsuharu Hisatomi
久富　光春
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.)
Chubu Electric Power Co Inc
Takamatsu Electric Works Ltd
Original Assignee
Chubu Electric Power Co Inc
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 Chubu Electric Power Co Inc, Takamatsu Electric Works Ltd filed Critical Chubu Electric Power Co Inc
Priority to JP56215883A priority Critical patent/JPS58117413A/ja
Priority to US06/433,173 priority patent/US4559530A/en
Publication of JPS58117413A publication Critical patent/JPS58117413A/ja
Publication of JPS6334433B2 publication Critical patent/JPS6334433B2/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

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Indicating Measured Values (AREA)
  • Testing Of Short-Circuits, Discontinuities, Leakage, Or Incorrect Line Connections (AREA)
JP56215883A 1981-12-29 1981-12-29 過電流通過表示装置の表示弁 Granted JPS58117413A (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP56215883A JPS58117413A (ja) 1981-12-29 1981-12-29 過電流通過表示装置の表示弁
US06/433,173 US4559530A (en) 1981-12-29 1982-10-05 Overcurrent condition display

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP56215883A JPS58117413A (ja) 1981-12-29 1981-12-29 過電流通過表示装置の表示弁

Publications (2)

Publication Number Publication Date
JPS58117413A true JPS58117413A (ja) 1983-07-13
JPS6334433B2 JPS6334433B2 (enrdf_load_stackoverflow) 1988-07-11

Family

ID=16679832

Family Applications (1)

Application Number Title Priority Date Filing Date
JP56215883A Granted JPS58117413A (ja) 1981-12-29 1981-12-29 過電流通過表示装置の表示弁

Country Status (1)

Country Link
JP (1) JPS58117413A (enrdf_load_stackoverflow)

Also Published As

Publication number Publication date
JPS6334433B2 (enrdf_load_stackoverflow) 1988-07-11

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