JPS6298425U - - Google Patents

Info

Publication number
JPS6298425U
JPS6298425U JP18950985U JP18950985U JPS6298425U JP S6298425 U JPS6298425 U JP S6298425U JP 18950985 U JP18950985 U JP 18950985U JP 18950985 U JP18950985 U JP 18950985U JP S6298425 U JPS6298425 U JP S6298425U
Authority
JP
Japan
Prior art keywords
circuit
alternating current
multiphase
set value
power outage
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
JP18950985U
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 JP18950985U priority Critical patent/JPS6298425U/ja
Publication of JPS6298425U publication Critical patent/JPS6298425U/ja
Pending legal-status Critical Current

Links

Landscapes

  • Testing Electric Properties And Detecting Electric Faults (AREA)
  • Emergency Protection Circuit Devices (AREA)
  • Stand-By Power Supply Arrangements (AREA)

Description

【図面の簡単な説明】
第1図はこの考案による停電検出回路の一例を
示す接続図、第2図は3相変換回路31の入出力
ベクトル図、第3図は第1図の動作を説明するた
めのタイムチヤート、第4図はこの考案の他の例
を示す接続図、第5図は待機式無停電電源装置を
示すブロツク図、第6図は従来の停電検出回路を
示す接続図、第7図は第6図の動作の説明に用い
るタイムチヤートである。 11:商用電源、21:設定電源、22:比較
器、31:多相変換回路、32:全波整流回路。

Claims (1)

  1. 【実用新案登録請求の範囲】 商用電源入力をほぼ同一振幅の多相交流に変換
    する多相変換回路と、 その変換された多相交流を全波整流する整流回
    路と、 その全波整流出力とその包絡レベルの最小値よ
    り小さい設定値と比較し、その設定値以下の場合
    に停電検出出力を出す比較回路とよりなる停電検
    出回路。
JP18950985U 1985-12-09 1985-12-09 Pending JPS6298425U (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP18950985U JPS6298425U (ja) 1985-12-09 1985-12-09

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP18950985U JPS6298425U (ja) 1985-12-09 1985-12-09

Publications (1)

Publication Number Publication Date
JPS6298425U true JPS6298425U (ja) 1987-06-23

Family

ID=31141876

Family Applications (1)

Application Number Title Priority Date Filing Date
JP18950985U Pending JPS6298425U (ja) 1985-12-09 1985-12-09

Country Status (1)

Country Link
JP (1) JPS6298425U (ja)

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS493147A (ja) * 1972-04-26 1974-01-11
JPS5622519A (en) * 1979-07-31 1981-03-03 Tokyo Shibaura Electric Co Protecting relay

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS493147A (ja) * 1972-04-26 1974-01-11
JPS5622519A (en) * 1979-07-31 1981-03-03 Tokyo Shibaura Electric Co Protecting relay

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