CN100553086C - 电力变换装置、逆变x线高电压装置、x线透视摄像装置、x线ct装置、mri装置 - Google Patents

电力变换装置、逆变x线高电压装置、x线透视摄像装置、x线ct装置、mri装置 Download PDF

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Publication number
CN100553086C
CN100553086C CNB2005800082918A CN200580008291A CN100553086C CN 100553086 C CN100553086 C CN 100553086C CN B2005800082918 A CNB2005800082918 A CN B2005800082918A CN 200580008291 A CN200580008291 A CN 200580008291A CN 100553086 C CN100553086 C CN 100553086C
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China
Prior art keywords
mentioned
capacitor
voltage
unit
line
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Expired - Fee Related
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CNB2005800082918A
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English (en)
Chinese (zh)
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CN1930766A (zh
Inventor
桶田隆继
高桥顺
高野博司
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Hitachi Ltd
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Hitachi Medical Corp
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Publication of CN1930766A publication Critical patent/CN1930766A/zh
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    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
    • H02M1/00—Details of apparatus for conversion
    • H02M1/32—Means for protecting converters other than automatic disconnection
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R33/00—Arrangements or instruments for measuring magnetic variables
    • G01R33/20—Arrangements or instruments for measuring magnetic variables involving magnetic resonance
    • G01R33/28—Details of apparatus provided for in groups G01R33/44 - G01R33/64
    • G01R33/38—Systems for generation, homogenisation or stabilisation of the main or gradient magnetic field
    • G01R33/385—Systems for generation, homogenisation or stabilisation of the main or gradient magnetic field using gradient magnetic field coils
    • G01R33/3852—Gradient amplifiers; means for controlling the application of a gradient magnetic field to the sample, e.g. a gradient signal synthesizer
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
    • H02M5/00—Conversion of ac power input into ac power output, e.g. for change of voltage, for change of frequency, for change of number of phases
    • H02M5/40—Conversion of ac power input into ac power output, e.g. for change of voltage, for change of frequency, for change of number of phases with intermediate conversion into dc
    • H02M5/42—Conversion of ac power input into ac power output, e.g. for change of voltage, for change of frequency, for change of number of phases with intermediate conversion into dc by static converters
    • H02M5/44—Conversion of ac power input into ac power output, e.g. for change of voltage, for change of frequency, for change of number of phases with intermediate conversion into dc by static converters using discharge tubes or semiconductor devices to convert the intermediate dc into ac
    • H02M5/453—Conversion of ac power input into ac power output, e.g. for change of voltage, for change of frequency, for change of number of phases with intermediate conversion into dc by static converters using discharge tubes or semiconductor devices to convert the intermediate dc into ac using devices of a triode or transistor type requiring continuous application of a control signal
    • H02M5/458—Conversion of ac power input into ac power output, e.g. for change of voltage, for change of frequency, for change of number of phases with intermediate conversion into dc by static converters using discharge tubes or semiconductor devices to convert the intermediate dc into ac using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only

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  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • General Physics & Mathematics (AREA)
  • Magnetic Resonance Imaging Apparatus (AREA)
  • X-Ray Techniques (AREA)
  • Power Conversion In General (AREA)
CNB2005800082918A 2004-03-15 2005-03-10 电力变换装置、逆变x线高电压装置、x线透视摄像装置、x线ct装置、mri装置 Expired - Fee Related CN100553086C (zh)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP072038/2004 2004-03-15
JP2004072038 2004-03-15

Publications (2)

Publication Number Publication Date
CN1930766A CN1930766A (zh) 2007-03-14
CN100553086C true CN100553086C (zh) 2009-10-21

Family

ID=34975917

Family Applications (1)

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CNB2005800082918A Expired - Fee Related CN100553086C (zh) 2004-03-15 2005-03-10 电力变换装置、逆变x线高电压装置、x线透视摄像装置、x线ct装置、mri装置

Country Status (3)

Country Link
JP (1) JP4526130B2 (fr)
CN (1) CN100553086C (fr)
WO (1) WO2005088814A1 (fr)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102340147A (zh) * 2011-08-12 2012-02-01 东华大学 一种削弱ct启动对电网冲击的方法
EP2568589B1 (fr) * 2011-09-08 2013-11-13 ABB Technology AG Convertisseur multiniveaux ayant un redresseur actif et un convertisseur résonant courant continu-courant et procédé de commande pour son fonctionnement
JP6472592B2 (ja) * 2012-04-18 2019-02-20 キヤノンメディカルシステムズ株式会社 磁気共鳴イメージング装置、及び、磁気共鳴イメージング方法
CN104904322B (zh) * 2013-01-10 2017-03-15 东芝医疗系统株式会社 X射线计算机断层摄影装置及x射线发生装置
JP6006670B2 (ja) * 2013-04-04 2016-10-12 日本電信電話株式会社 情報通信端末装置の劣化状況判定システム
JP5931148B2 (ja) * 2014-09-10 2016-06-08 ファナック株式会社 静電容量計算部を有するｐｗｍ整流器
JP6821685B2 (ja) * 2016-08-24 2021-01-27 東芝三菱電機産業システム株式会社 Ｐｗｍコンバータ用入力フィルタの通電評価試験装置
JP6884029B2 (ja) * 2017-05-09 2021-06-09 株式会社日立製作所 電力変換装置及び電力変換装置の診断方法
CN110579720B (zh) * 2018-06-08 2022-08-30 台达电子工业股份有限公司 电源监控器
JP6690842B1 (ja) * 2019-01-15 2020-04-28 東芝エレベータ株式会社 エレベータ主回路の診断装置
CN109900461B (zh) * 2019-02-27 2020-12-01 东软医疗系统股份有限公司 一种ct旋转板安全性测试方法及装置

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2535543B2 (ja) * 1987-06-27 1996-09-18 シャープ株式会社 ディジタルｉｑ復調方式
JP3324239B2 (ja) * 1993-12-01 2002-09-17 富士電機株式会社 インバータ装置
JP3200307B2 (ja) * 1994-10-26 2001-08-20 リズム時計工業株式会社 監視カメラの電源寿命監視装置及び電源部メインテナンスの告知方法
JPH105189A (ja) * 1996-06-25 1998-01-13 Hitachi Medical Corp 磁気共鳴イメージング装置用電源装置
JP4318779B2 (ja) * 1999-03-03 2009-08-26 株式会社日立メディコ インバータ式ｘ線高電圧装置
JP2002165357A (ja) * 2000-11-27 2002-06-07 Canon Inc 電力変換装置およびその制御方法、および発電システム
JP2003070185A (ja) * 2001-08-28 2003-03-07 Toshiba Corp 電力変換器監視装置
JP2003079132A (ja) * 2001-08-31 2003-03-14 Hitachi Kokusai Electric Inc 電子装置

Also Published As

Publication number Publication date
JPWO2005088814A1 (ja) 2008-01-31
CN1930766A (zh) 2007-03-14
WO2005088814A1 (fr) 2005-09-22
JP4526130B2 (ja) 2010-08-18

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Effective date of registration: 20170307

Address after: Tokyo, Japan, Japan

Patentee after: Hitachi Ltd.

Address before: Tokyo, Japan

Patentee before: Hitachi Medical Corporation

CF01 Termination of patent right due to non-payment of annual fee
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20091021

Termination date: 20180310