JPS63164334U - - Google Patents

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Publication number
JPS63164334U
JPS63164334U JP5680087U JP5680087U JPS63164334U JP S63164334 U JPS63164334 U JP S63164334U JP 5680087 U JP5680087 U JP 5680087U JP 5680087 U JP5680087 U JP 5680087U JP S63164334 U JPS63164334 U JP S63164334U
Authority
JP
Japan
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signal
section
change
output
zero
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
JP5680087U
Other languages
English (en)
Other versions
JPH0540677Y2 (ja
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 JP5680087U priority Critical patent/JPH0540677Y2/ja
Publication of JPS63164334U publication Critical patent/JPS63164334U/ja
Application granted granted Critical
Publication of JPH0540677Y2 publication Critical patent/JPH0540677Y2/ja
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Description

【図面の簡単な説明】
第１図は本考案の一実施例を示す構成図、第２
図は従来の地絡方向継電器の構成図、第３図は説
明のための配電系統の等価図である。 １は零相電流の変化分検出手段、２は零相電圧
の変化分検出手段、３，４は変化分のレベル検出
部、５は位相判定部、６，７は論理積部。

Claims (1)

    【実用新案登録請求の範囲】
  1. 電力系統に発生した零相電圧、零相電流の各変
    化を夫々変化分検出手段にて検出し、検出された
    各信号をトリガ信号印加時に夫々レベル検出部お
    よび位相判定部に出力し、これら各レベル検出部
    、位相判定部の出力論理積成立時に動作出力を発
    生するようにしたものにおいて、前記トリガ信号
    としや断器の投入条件信号との論理積信号を前記
    各変化分検出手段に印加するよう構成したことを
    特徴とする地絡方向継電器。
JP5680087U 1987-04-15 1987-04-15 Expired - Lifetime JPH0540677Y2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP5680087U JPH0540677Y2 (ja) 1987-04-15 1987-04-15

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP5680087U JPH0540677Y2 (ja) 1987-04-15 1987-04-15

Publications (2)

Publication Number Publication Date
JPS63164334U true JPS63164334U (ja) 1988-10-26
JPH0540677Y2 JPH0540677Y2 (ja) 1993-10-15

Family

ID=30885938

Family Applications (1)

Application Number Title Priority Date Filing Date
JP5680087U Expired - Lifetime JPH0540677Y2 (ja) 1987-04-15 1987-04-15

Country Status (1)

Country Link
JP (1) JPH0540677Y2 (ja)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0378419A (ja) * 1989-08-17 1991-04-03 Kyushu Electric Power Co Inc 配電系統の故障予知装置
JPH0378422A (ja) * 1989-08-17 1991-04-03 Kyushu Electric Power Co Inc しゃ断器，開閉器の動作検出装置

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0378419A (ja) * 1989-08-17 1991-04-03 Kyushu Electric Power Co Inc 配電系統の故障予知装置
JPH0378422A (ja) * 1989-08-17 1991-04-03 Kyushu Electric Power Co Inc しゃ断器，開閉器の動作検出装置

Also Published As

Publication number Publication date
JPH0540677Y2 (ja) 1993-10-15

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