JPS6270630U - - Google Patents

Info

Publication number
JPS6270630U
JPS6270630U JP16345085U JP16345085U JPS6270630U JP S6270630 U JPS6270630 U JP S6270630U JP 16345085 U JP16345085 U JP 16345085U JP 16345085 U JP16345085 U JP 16345085U JP S6270630 U JPS6270630 U JP S6270630U
Authority
JP
Japan
Prior art keywords
circuit
zero
output signal
reverse
predetermined time
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
JP16345085U
Other languages
English (en)
Other versions
JPH0510517Y2 (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 JP1985163450U priority Critical patent/JPH0510517Y2/ja
Publication of JPS6270630U publication Critical patent/JPS6270630U/ja
Application granted granted Critical
Publication of JPH0510517Y2 publication Critical patent/JPH0510517Y2/ja
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Landscapes

  • Emergency Protection Circuit Devices (AREA)

Description

【図面の簡単な説明】
第１図は本考案に係る地絡方向継電器の回路構
成の一実施例を示すブロツク図、第２図は地絡保
護を説明するための配電系統の一例を示す説明図
、第３図は地絡方向継電器の回路構成の従来例を
示すブロツク図である。 １８……位相比較回路、２１……逆方向電流レ
ベル検出回路、２２……遅延回路、２３……保持
回路、２４……出力回路、Ｖｏ……零相電圧、Ｉ
ｏ……零相電流。

Claims (1)

  1. 【実用新案登録請求の範囲】 電流整定された零相電流及び、電圧整定して波
    形整形された零相電圧を位相比較し、地絡故障に
    より流れる零相電流の正逆方向を判別する位相比
    較回路と、 該位相比較回路にて逆方向の零相電流が判別さ
    れると、その出力信号を設定レベル以上か否かを
    検出する逆方向電流レベル検出回路と、 該逆方向電流レベル検出回路の出力信号を所定
    の時間遅延させる遅延回路と、 該遅延回路の出力信号を所定の時間だけホール
    ドする保持回路と、 該保持回路にてホールドされる所定の時間が経
    過するまで出力信号を送出しない出力回路とを含
    むことを特徴とする地絡方向継電器。
JP1985163450U 1985-10-24 1985-10-24 Expired - Lifetime JPH0510517Y2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1985163450U JPH0510517Y2 (ja) 1985-10-24 1985-10-24

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1985163450U JPH0510517Y2 (ja) 1985-10-24 1985-10-24

Publications (2)

Publication Number Publication Date
JPS6270630U true JPS6270630U (ja) 1987-05-06
JPH0510517Y2 JPH0510517Y2 (ja) 1993-03-15

Family

ID=31091660

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1985163450U Expired - Lifetime JPH0510517Y2 (ja) 1985-10-24 1985-10-24

Country Status (1)

Country Link
JP (1) JPH0510517Y2 (ja)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6055824A (ja) * 1983-09-06 1985-04-01 東京電力株式会社 高圧配電系統の地絡保護システム

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6055824A (ja) * 1983-09-06 1985-04-01 東京電力株式会社 高圧配電系統の地絡保護システム

Also Published As

Publication number Publication date
JPH0510517Y2 (ja) 1993-03-15

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