JPH0241628U - - Google Patents

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Publication number
JPH0241628U
JPH0241628U JP11781788U JP11781788U JPH0241628U JP H0241628 U JPH0241628 U JP H0241628U JP 11781788 U JP11781788 U JP 11781788U JP 11781788 U JP11781788 U JP 11781788U JP H0241628 U JPH0241628 U JP H0241628U
Authority
JP
Japan
Prior art keywords
phase
ground fault
zero
angle range
phase voltage
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
JP11781788U
Other languages
English (en)
Other versions
JPH0613584Y2 (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 JP11781788U priority Critical patent/JPH0613584Y2/ja
Publication of JPH0241628U publication Critical patent/JPH0241628U/ja
Application granted granted Critical
Publication of JPH0613584Y2 publication Critical patent/JPH0613584Y2/ja
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Landscapes

  • Emergency Protection Circuit Devices (AREA)

Description

【図面の簡単な説明】
第１図は、この考案に係る一実施例のハードウ
エア構成図、第２図は、位相シフト部による位相
シフト後の位相特性図、第３図は、モニタープロ
グラムの概略フローチヤート、第４図は、従来例
を示すブロツク構成図、第５図ａは、零相電圧Ｖ
ｏの軌跡を示す原理図、第５図ｂは、地絡故障時
の零相電圧Ｖｏの軌跡を示す円線図、及び検出角
度範囲を示す位相特性図。 １……ＧＰＴ、６……比較部、７……位相シフ
ト部、８……地絡相弁別部。

Claims (1)

  1. 【実用新案登録請求の範囲】 予め地絡相の検出角度範囲を各相毎に対応させ
    て設定しておき、配電系統における地絡零相電圧
    を零相電圧検出器により検出し、地絡零相電圧の
    表われる検出角度範囲により、配電系統のいずれ
    の相の地絡故障であるかを判別する地絡相弁別リ
    レー装置において、 上記零相電圧検出器により検出された地絡零相
    電圧の大きさに応じて上記検出角度範囲或いは零
    相電圧をシフトさせる位相シフト手段を具備する
    ことを特徴とする地絡相弁別リレー装置。
JP11781788U 1988-09-07 1988-09-07 地絡相弁別リレー装置 Expired - Lifetime JPH0613584Y2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP11781788U JPH0613584Y2 (ja) 1988-09-07 1988-09-07 地絡相弁別リレー装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP11781788U JPH0613584Y2 (ja) 1988-09-07 1988-09-07 地絡相弁別リレー装置

Publications (2)

Publication Number Publication Date
JPH0241628U true JPH0241628U (ja) 1990-03-22
JPH0613584Y2 JPH0613584Y2 (ja) 1994-04-06

Family

ID=31361607

Family Applications (1)

Application Number Title Priority Date Filing Date
JP11781788U Expired - Lifetime JPH0613584Y2 (ja) 1988-09-07 1988-09-07 地絡相弁別リレー装置

Country Status (1)

Country Link
JP (1) JPH0613584Y2 (ja)

Also Published As

Publication number Publication date
JPH0613584Y2 (ja) 1994-04-06

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