JPH02114345U - - Google Patents

Info

Publication number
JPH02114345U
JPH02114345U JP2201189U JP2201189U JPH02114345U JP H02114345 U JPH02114345 U JP H02114345U JP 2201189 U JP2201189 U JP 2201189U JP 2201189 U JP2201189 U JP 2201189U JP H02114345 U JPH02114345 U JP H02114345U
Authority
JP
Japan
Prior art keywords
protection circuit
surge protection
communication line
arrester
starting 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.)
Pending
Application number
JP2201189U
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 JP2201189U priority Critical patent/JPH02114345U/ja
Publication of JPH02114345U publication Critical patent/JPH02114345U/ja
Pending legal-status Critical Current

Links

Landscapes

  • Emergency Protection Circuit Devices (AREA)

Description

【図面の簡単な説明】
第１図は本考案によるサージ保護回路の一実施
例の構成図、第２図ａ，ｂ，ｃ，ｄは他の実施例
の構成図、第３図は従来のサージ保護回路例図、
第４図は配電線系統の構成図、第５図は柱上機器
類の接地の構成図、第６図は需要家側Ｗ相地絡時
の説明図である。 ＴＣＲ……子局、ＭＴ……マツチングトランス
、Ａｒｒ１……放電開始電圧我低いアレスタ、Ａ
ｒｒ２……放電開始電圧が高いアレスタ。

Claims (1)

    【実用新案登録請求の範囲】
  1. 柱上開閉器に備えた被制御機器を監視制御する
    遠方監視制御子局装置の通信線側サージ保護回路
    において、通信線と接地間に放電開始電圧がＤＣ
    ８００Ｖ以上のギヤツプ付アレスタを設けたこと
    を特徴とするサージ保護回路。
JP2201189U 1989-03-01 1989-03-01 Pending JPH02114345U (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2201189U JPH02114345U (ja) 1989-03-01 1989-03-01

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2201189U JPH02114345U (ja) 1989-03-01 1989-03-01

Publications (1)

Publication Number Publication Date
JPH02114345U true JPH02114345U (ja) 1990-09-13

Family

ID=31239746

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2201189U Pending JPH02114345U (ja) 1989-03-01 1989-03-01

Country Status (1)

Country Link
JP (1) JPH02114345U (ja)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH07253356A (ja) * 1994-03-15 1995-10-03 Kajima Corp 振動速度計

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH07253356A (ja) * 1994-03-15 1995-10-03 Kajima Corp 振動速度計

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