JPS6393572U - - Google Patents

Info

Publication number
JPS6393572U
JPS6393572U JP18966186U JP18966186U JPS6393572U JP S6393572 U JPS6393572 U JP S6393572U JP 18966186 U JP18966186 U JP 18966186U JP 18966186 U JP18966186 U JP 18966186U JP S6393572 U JPS6393572 U JP S6393572U
Authority
JP
Japan
Prior art keywords
reference level
current
voltage
ratio
calculating
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
JP18966186U
Other languages
English (en)
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 filed Critical
Priority to JP18966186U priority Critical patent/JPS6393572U/ja
Publication of JPS6393572U publication Critical patent/JPS6393572U/ja
Pending legal-status Critical Current

Links

Landscapes

  • Testing Of Short-Circuits, Discontinuities, Leakage, Or Incorrect Line Connections (AREA)

Description

【図面の簡単な説明】
第1図はこの考案を地絡保護継電器に具体化し
た電気ブロツク回路図、第2図は内部メモリの説
明図、第3図及び第4図はフローチヤート図であ
る。 1…電流変成器、8…演算手段としての中央処
理制御装置(CPU)、21…基準レベル整定手
段としての零相電流整定回路、22…基準レベル
整定手段としての零相電圧整定回路、26…表示
部駆動回路、27…表示器、28…表示モード整
定回路、31…表示手段としての電流レベル表示
部、32…表示手段としての電圧レベル表示部、
40…配電線路、ZCT…零相電流変成器、ZP
D…零相電圧検出用コンデンサ。

Claims (1)

  1. 【実用新案登録請求の範囲】 電路状態の電流、電圧に対する基準レベルを適
    宜変更し得る基準レベル整定手段と、 電路状態の計測信号を入力し、前記基準レベル
    に対する比率を演算する演算手段と、 その演算結果に基づいて電路に関する電流、及
    び電圧の基準レベルに対する比率を表示する表示
    手段と を備えたことを特徴とする電流電圧表示装置。
JP18966186U 1986-12-09 1986-12-09 Pending JPS6393572U (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP18966186U JPS6393572U (ja) 1986-12-09 1986-12-09

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP18966186U JPS6393572U (ja) 1986-12-09 1986-12-09

Publications (1)

Publication Number Publication Date
JPS6393572U true JPS6393572U (ja) 1988-06-16

Family

ID=31142165

Family Applications (1)

Application Number Title Priority Date Filing Date
JP18966186U Pending JPS6393572U (ja) 1986-12-09 1986-12-09

Country Status (1)

Country Link
JP (1) JPS6393572U (ja)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2003202357A (ja) * 2001-11-01 2003-07-18 Toshiba Corp 絶縁監視方法および装置

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60107573A (ja) * 1983-11-15 1985-06-13 Mitsubishi Electric Corp 計測装置

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60107573A (ja) * 1983-11-15 1985-06-13 Mitsubishi Electric Corp 計測装置

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2003202357A (ja) * 2001-11-01 2003-07-18 Toshiba Corp 絶縁監視方法および装置

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