JPH03121221U - - Google Patents

Info

Publication number
JPH03121221U
JPH03121221U JP3031590U JP3031590U JPH03121221U JP H03121221 U JPH03121221 U JP H03121221U JP 3031590 U JP3031590 U JP 3031590U JP 3031590 U JP3031590 U JP 3031590U JP H03121221 U JPH03121221 U JP H03121221U
Authority
JP
Japan
Prior art keywords
power supply
supply circuit
circuit
voltage
stabilized
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
JP3031590U
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 JP3031590U priority Critical patent/JPH03121221U/ja
Publication of JPH03121221U publication Critical patent/JPH03121221U/ja
Pending legal-status Critical Current

Links

Landscapes

  • Non-Positive Displacement Air Blowers (AREA)
  • Magnetic Bearings And Hydrostatic Bearings (AREA)

Description

【図面の簡単な説明】
第1図はこの発明に係る磁気軸受装置の1実施
例を示す回路ブロツク図、第2図は従来の磁気軸
受装置の回路構成を示す回路ブロツク図である。 1……安定化電源回路、2……電磁石用電源回
路、3……制御回路用電源回路、4……電圧切替
回路、5……バツテリ電源回路、6……定電圧回
路。

Claims (1)

  1. 【実用新案登録請求の範囲】 通常運転時には安定した電圧を電磁石用電源回
    路及び制御回路用電源回路へ供給するための安定
    化電源回路と、 停電時には、上記安定化電源回路の代りに上記
    電磁石用電源回路及び制御回路用電源回路へ電圧
    を供給するバツテリ電源回路と、 停電時には、上記安定化電源回路から上記バツ
    テリ電源回路へ切替えて電圧を供給するための電
    圧切替回路とを供えた磁気軸受装置において、 上記電圧切替回路の後段側に、停電時に上記バ
    ツテリ電源回路から供給される電圧を昇圧するた
    めの定電圧回路を接続したことを特徴とする磁気
    軸受装置。
JP3031590U 1990-03-23 1990-03-23 Pending JPH03121221U (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP3031590U JPH03121221U (ja) 1990-03-23 1990-03-23

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP3031590U JPH03121221U (ja) 1990-03-23 1990-03-23

Publications (1)

Publication Number Publication Date
JPH03121221U true JPH03121221U (ja) 1991-12-12

Family

ID=31533037

Family Applications (1)

Application Number Title Priority Date Filing Date
JP3031590U Pending JPH03121221U (ja) 1990-03-23 1990-03-23

Country Status (1)

Country Link
JP (1) JPH03121221U (ja)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6117715A (ja) * 1984-07-04 1986-01-25 Hitachi Ltd 電磁軸受制御方法および装置
JPS63145599A (ja) * 1986-07-02 1988-06-17 日本電気株式会社 アラ−ム検出回路
JPS6474081A (en) * 1987-09-11 1989-03-20 Hitachi Ltd Magnetic levitation rotary machine

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6117715A (ja) * 1984-07-04 1986-01-25 Hitachi Ltd 電磁軸受制御方法および装置
JPS63145599A (ja) * 1986-07-02 1988-06-17 日本電気株式会社 アラ−ム検出回路
JPS6474081A (en) * 1987-09-11 1989-03-20 Hitachi Ltd Magnetic levitation rotary machine

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