JPH0370023U - - Google Patents

Info

Publication number
JPH0370023U
JPH0370023U JP1989130249U JP13024989U JPH0370023U JP H0370023 U JPH0370023 U JP H0370023U JP 1989130249 U JP1989130249 U JP 1989130249U JP 13024989 U JP13024989 U JP 13024989U JP H0370023 U JPH0370023 U JP H0370023U
Authority
JP
Japan
Prior art keywords
light
supply device
stops
power supply
inrush current
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
JP1989130249U
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 JP1989130249U priority Critical patent/JPH0370023U/ja
Publication of JPH0370023U publication Critical patent/JPH0370023U/ja
Pending legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02HEMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H9/00Emergency protective circuit arrangements for limiting excess current or voltage without disconnection
    • H02H9/001Emergency protective circuit arrangements for limiting excess current or voltage without disconnection limiting speed of change of electric quantities, e.g. soft switching on or off

Landscapes

  • Emergency Protection Circuit Devices (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回路構成図、
第2図は従来例を示す回路構成図である。 6……突入電流制限用抵抗、7……サイリスタ
(スイツチング素子)、17……発光ダイオード
(発光素子)、21……フオトトランジスタ(受
光素子)。

Claims (1)

    【実用新案登録請求の範囲】
  1. 電源装置の入力ラインに突入電流制限用抵抗を
    直列に接続し、この抵抗と並列にスイツチング素
    子を接続し、電源投入時に所定時間経過後前記ス
    イツチング素子をオンさせる駆動回路を設けてな
    る電源装置の突入電流防止回路において、入力電
    圧を検出し入力電圧が所定レベルまで降下したと
    きフオトカプラの発光素子の発光を停止させる入
    力電圧検出回路を設け、この発光停止時にオフし
    てスイツチング素子の駆動信号を停止させる受光
    素子を前記駆動回路に挿入接続してなることを特
    徴とする電源装置の突入電流防止回路。
JP1989130249U 1989-11-08 1989-11-08 Pending JPH0370023U (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1989130249U JPH0370023U (ja) 1989-11-08 1989-11-08

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1989130249U JPH0370023U (ja) 1989-11-08 1989-11-08

Publications (1)

Publication Number Publication Date
JPH0370023U true JPH0370023U (ja) 1991-07-12

Family

ID=31677835

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1989130249U Pending JPH0370023U (ja) 1989-11-08 1989-11-08

Country Status (1)

Country Link
JP (1) JPH0370023U (ja)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2008529159A (ja) * 2005-01-31 2008-07-31 ジョージア テック リサーチ コーポレイション アクティブサージ電流制限器

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5999359A (ja) * 1982-11-30 1984-06-08 Fujitsu Ltd 過電圧検出装置
JPS60138474A (ja) * 1983-12-27 1985-07-23 Ricoh Co Ltd 電源電圧異常検知回路

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5999359A (ja) * 1982-11-30 1984-06-08 Fujitsu Ltd 過電圧検出装置
JPS60138474A (ja) * 1983-12-27 1985-07-23 Ricoh Co Ltd 電源電圧異常検知回路

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2008529159A (ja) * 2005-01-31 2008-07-31 ジョージア テック リサーチ コーポレイション アクティブサージ電流制限器

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