JPH01180820U - - Google Patents

Info

Publication number
JPH01180820U
JPH01180820U JP6962688U JP6962688U JPH01180820U JP H01180820 U JPH01180820 U JP H01180820U JP 6962688 U JP6962688 U JP 6962688U JP 6962688 U JP6962688 U JP 6962688U JP H01180820 U JPH01180820 U JP H01180820U
Authority
JP
Japan
Prior art keywords
multiplexer
converter
sample
output
hold circuit
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
JP6962688U
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 JP6962688U priority Critical patent/JPH01180820U/ja
Publication of JPH01180820U publication Critical patent/JPH01180820U/ja
Pending legal-status Critical Current

Links

Landscapes

  • Analogue/Digital Conversion (AREA)

Description

【図面の簡単な説明】
第１図は本考案の一実施例を示す入力回路図、
第２図はデイジタル形保護継電器の従来の入力回
路図、第３図は入力回路のサンプリング動作波形
図である。 １１，１ｎ……フイルタ、２，２１，２ｎ……
サンプルホールド回路、３……マルチプレクサ、
４……Ａ／Ｄ変換器、５……コンピユータ。

Claims (1)

    【実用新案登録請求の範囲】
  1. 保護対象機器から検出した複数のアナログ信号
    を時分割で取り込むマルチプレクサと、このマル
    チプレクサの出力をサンプルホールドするサンプ
    ルホールド回路と、このサンプルホールド回路の
    出力をデイジタル量に変換するＡ／Ｄ変換器と、
    前記マルチプレクサとサンプルホールド回路とＡ
    ／Ｄ変換器を同期化制御し前記Ａ／Ｄ変換器の出
    力を使用した保護演算に前記時分割による各信号
    間の位相ずれ量に応じて整定値を補正する保護演
    算部とを備えたことを特徴とするデイジタル形保
    護継電器。
JP6962688U 1988-05-26 1988-05-26 Pending JPH01180820U (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP6962688U JPH01180820U (ja) 1988-05-26 1988-05-26

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP6962688U JPH01180820U (ja) 1988-05-26 1988-05-26

Publications (1)

Publication Number Publication Date
JPH01180820U true JPH01180820U (ja) 1989-12-26

Family

ID=31294903

Family Applications (1)

Application Number Title Priority Date Filing Date
JP6962688U Pending JPH01180820U (ja) 1988-05-26 1988-05-26

Country Status (1)

Country Link
JP (1) JPH01180820U (ja)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH06315221A (ja) * 1993-04-26 1994-11-08 Mitsubishi Electric Corp 自動調整機能を有するデジタル形保護継電器
JP2006054684A (ja) * 2004-08-12 2006-02-23 Sanyo Electric Co Ltd Ａ／ｄ変換装置及びそれを用いた受信装置

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5130339A (ja) * 1974-09-06 1976-03-15 Tokyo Electric Power Co
JPS6257531B2 (ja) * 1979-06-25 1987-12-01 Fuao Dee Oo Aadorufu Shintoringu Ag

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5130339A (ja) * 1974-09-06 1976-03-15 Tokyo Electric Power Co
JPS6257531B2 (ja) * 1979-06-25 1987-12-01 Fuao Dee Oo Aadorufu Shintoringu Ag

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH06315221A (ja) * 1993-04-26 1994-11-08 Mitsubishi Electric Corp 自動調整機能を有するデジタル形保護継電器
JP2006054684A (ja) * 2004-08-12 2006-02-23 Sanyo Electric Co Ltd Ａ／ｄ変換装置及びそれを用いた受信装置

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