JP2020162223A - 電源装置および医療システム - Google Patents
電源装置および医療システム Download PDFInfo
- Publication number
- JP2020162223A JP2020162223A JP2019056826A JP2019056826A JP2020162223A JP 2020162223 A JP2020162223 A JP 2020162223A JP 2019056826 A JP2019056826 A JP 2019056826A JP 2019056826 A JP2019056826 A JP 2019056826A JP 2020162223 A JP2020162223 A JP 2020162223A
- Authority
- JP
- Japan
- Prior art keywords
- voltage
- value
- input
- power supply
- 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.)
- Granted
Links
Images
Classifications
-
- 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
- H02M7/00—Conversion of ac power input into dc power output; Conversion of dc power input into ac power output
- H02M7/02—Conversion of ac power input into dc power output without possibility of reversal
- H02M7/04—Conversion of ac power input into dc power output without possibility of reversal by static converters
- H02M7/12—Conversion of ac power input into dc power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode
- H02M7/21—Conversion of ac power input into dc power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal
- H02M7/217—Conversion of ac power input into dc power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only
- H02M7/219—Conversion of ac power input into dc power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only in a bridge configuration
-
- 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
- H02M1/42—Circuits or arrangements for compensating for or adjusting power factor in converters or inverters
- H02M1/4208—Arrangements for improving power factor of AC input
- H02M1/4225—Arrangements for improving power factor of AC input using a non-isolated boost converter
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R19/00—Arrangements for measuring currents or voltages or for indicating presence or sign thereof
- G01R19/165—Indicating that current or voltage is either above or below a predetermined value or within or outside a predetermined range of values
- G01R19/16566—Circuits and arrangements for comparing voltage or current with one or several thresholds and for indicating the result not covered by subgroups G01R19/16504, G01R19/16528, G01R19/16533
- G01R19/16585—Circuits and arrangements for comparing voltage or current with one or several thresholds and for indicating the result not covered by subgroups G01R19/16504, G01R19/16528, G01R19/16533 for individual pulses, ripple or noise and other applications where timing or duration is of importance
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/01—Subjecting similar articles in turn to test, e.g. "go/no-go" tests in mass production; Testing objects at points as they pass through a testing station
- G01R31/013—Testing passive components
- G01R31/016—Testing of capacitors
-
- 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
- H02M1/14—Arrangements for reducing ripples from dc input or output
-
- 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
- H02M1/42—Circuits or arrangements for compensating for or adjusting power factor in converters or inverters
-
- 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
- H02M1/42—Circuits or arrangements for compensating for or adjusting power factor in converters or inverters
- H02M1/4208—Arrangements for improving power factor of AC input
-
- 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
- H02M3/00—Conversion of dc power input into dc power output
- H02M3/22—Conversion of dc power input into dc power output with intermediate conversion into ac
- H02M3/24—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters
- H02M3/28—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate ac
- H02M3/325—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate ac using devices of a triode or a transistor type requiring continuous application of a control signal
- H02M3/335—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate ac using devices of a triode or a transistor type requiring continuous application of a control signal using semiconductor devices only
-
- 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
- H02M3/00—Conversion of dc power input into dc power output
- H02M3/22—Conversion of dc power input into dc power output with intermediate conversion into ac
- H02M3/24—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters
- H02M3/28—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate ac
- H02M3/325—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate ac using devices of a triode or a transistor type requiring continuous application of a control signal
- H02M3/335—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate ac using devices of a triode or a transistor type requiring continuous application of a control signal using semiconductor devices only
- H02M3/33507—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate ac using devices of a triode or a transistor type requiring continuous application of a control signal using semiconductor devices only with automatic control of the output voltage or current, e.g. flyback converters
- H02M3/33523—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate ac using devices of a triode or a transistor type requiring continuous application of a control signal using semiconductor devices only with automatic control of the output voltage or current, e.g. flyback converters with galvanic isolation between input and output of both the power stage and the feedback loop
-
- 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
- H02M1/0003—Details of control, feedback or regulation circuits
- H02M1/0009—Devices or circuits for detecting current in a converter
-
- 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
- H02M1/0067—Converter structures employing plural converter units, other than for parallel operation of the units on a single load
- H02M1/007—Plural converter units in cascade
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B70/00—Technologies for an efficient end-user side electric power management and consumption
- Y02B70/10—Technologies improving the efficiency by using switched-mode power supplies [SMPS], i.e. efficient power electronics conversion e.g. power factor correction or reduction of losses in power supplies or efficient standby modes
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P80/00—Climate change mitigation technologies for sector-wide applications
- Y02P80/10—Efficient use of energy, e.g. using compressed air or pressurized fluid as energy carrier
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Rectifiers (AREA)
- Dc-Dc Converters (AREA)
Abstract
Description
4 入力電圧検出部
5 電流検出部
6 力率改善回路部
6c スイッチング素子
6d コンデンサ
7 出力電圧検出部
8 差分電圧検出部
9 閾値更新部
10 寿命判定部
Ii 流入電流
Sd 報知信号
Si 電流検出信号
Sv2 出力電圧検出信号
Vdi 差分電圧値
Vi 入力電圧
Vo 直流電圧
Vthc 比較用閾値
Claims (7)
- インダクタ、ダイオード、スイッチング素子およびコンデンサを含み、交流電圧を整流した入力電圧を直流電圧に変換して出力する力率改善回路部と、
前記力率改善回路部への流入電流を検出して電流検出信号を出力する電流検出部と、
前記直流電圧を検出して出力電圧検出信号を出力する出力電圧検出部と、
前記出力電圧検出信号から検出される前記直流電圧の脈動成分についての最大値と最小値との差分電圧値、前記脈動成分が前記最大値となるタイミングでの前記直流電圧の電圧値と当該直流電圧についての目標電圧の電圧値との差分電圧値、および前記脈動成分が前記最小値となるタイミングでの前記直流電圧の電圧値と前記目標電圧の電圧値との差分電圧値のうちのいずれかの差分電圧値を検出する差分電圧検出部と、
前記いずれかの差分電圧値と予め規定された比較用閾値とを比較して、当該差分電圧値が当該比較用閾値に達したときに前記コンデンサについての寿命の到来を報知する寿命判定部と、
前記電流検出信号に基づいて検出される前記流入電流の電流値に応じた閾値に前記比較用閾値を更新する閾値更新部とを備えている電源装置。 - 前記交流電圧を整流した電圧を検出して入力電圧検出信号を出力する入力電圧検出部を備え、
前記閾値更新部は、前記交流電圧の電圧値毎に存在する前記流入電流の電流値に応じた前記閾値のうちの前記入力電圧検出信号に基づいて検出される前記交流電圧の電圧値に応じた閾値に前記比較用閾値を更新する請求項1記載の電源装置。 - インダクタ、ダイオード、スイッチング素子およびコンデンサを含み、交流電圧を整流した入力電圧を直流電圧に変換して出力する力率改善回路部と、
前記交流電圧を整流した電圧を検出して入力電圧検出信号を出力する入力電圧検出部と、
前記力率改善回路部への流入電流を検出して電流検出信号を出力する電流検出部と、
前記直流電圧を検出して出力電圧検出信号を出力する出力電圧検出部と、
前記出力電圧検出信号から検出される前記直流電圧の脈動成分についての最大値と最小値との差分電圧値、前記脈動成分が前記最大値となるタイミングでの前記直流電圧の電圧値と当該直流電圧についての目標電圧の電圧値との差分電圧値、および前記脈動成分が前記最小値となるタイミングでの前記直流電圧の電圧値と前記目標電圧の電圧値との差分電圧値のうちのいずれかの差分電圧値を検出する差分電圧検出部と、
前記いずれかの差分電圧値と予め規定された比較用閾値とを比較して、当該差分電圧値が当該比較用閾値に達したときに前記コンデンサについての寿命の到来を報知する寿命判定部と、
前記電流検出信号に基づいて検出される前記流入電流の電流値と前記入力電圧検出信号に基づいて検出される前記交流電圧の電圧値とから算出される入力電力に応じた閾値に前記比較用閾値を更新する閾値更新部とを備えている電源装置。 - 前記力率改善回路部は、前記寿命判定部が前記寿命の到来を報知したときに、前記スイッチング素子のスイッチング動作を停止させる請求項1から3のいずれかに記載の電源装置。
- 入力ラインに接続される一対の入力端子、当該一対の入力端子に一対の電源ラインを介して接続されると共に前記入力ラインと当該一対の入力端子と当該一対の電源ラインとを介して入力される前記交流電圧を整流して前記力率改善回路部に前記入力電圧として出力する一次側整流部、前記直流電圧から対応する負荷への負荷電圧を生成して出力する絶縁型DC/DCコンバータ、および前記一対の電源ラインに介装されたヒューズまたはブレーカを備えている請求項1から4のいずれかに記載の電源装置と、
前記絶縁型DC/DCコンバータに前記負荷として接続されると共に前記負荷電圧に基づいて動作する医療機器とを備えている医療システム。 - 入力ラインに接続される一対の入力端子、当該一対の入力端子に接続されると共に前記入力ラインと当該一対の入力端子とを介して入力される前記交流電圧を整流して前記力率改善回路部に前記入力電圧として出力する一次側整流部、および前記直流電圧から対応する負荷への負荷電圧を生成して出力する絶縁型DC/DCコンバータを備えている請求項1から4のいずれかに記載の電源装置と、
前記入力ラインに介装されたヒューズまたはブレーカと、
前記絶縁型DC/DCコンバータに前記負荷として接続されると共に前記負荷電圧に基づいて動作する医療機器とを備えている医療システム。 - 入力ラインに接続される一対の入力端子、当該一対の入力端子に一対の電源ラインを介して接続されると共に前記入力ラインと当該一対の入力端子と当該一対の電源ラインとを介して入力される前記交流電圧を整流して前記力率改善回路部に前記入力電圧として出力する一次側整流部、前記直流電圧から対応する負荷への負荷電圧を生成して出力する絶縁型DC/DCコンバータ、および前記一対の電源ラインのうちの一方の電源ラインに介装された第1ヒューズまたは第1ブレーカを備えている請求項1から4のいずれかに記載の電源装置と、
前記一対の電源ラインのうちの他方の電源ラインに前記入力端子を介して接続される前記入力ラインに介装された第2ヒューズまたは第2ブレーカと、
前記絶縁型DC/DCコンバータに前記負荷として接続されると共に前記負荷電圧に基づいて動作する医療機器とを備えている医療システム。
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2019056826A JP7338189B2 (ja) | 2019-03-25 | 2019-03-25 | 電源装置 |
US16/821,167 US11050343B2 (en) | 2019-03-25 | 2020-03-17 | Power supply and medical system |
CN202010206937.XA CN111740620B (zh) | 2019-03-25 | 2020-03-23 | 电源装置和医疗系统 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2019056826A JP7338189B2 (ja) | 2019-03-25 | 2019-03-25 | 電源装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2020162223A true JP2020162223A (ja) | 2020-10-01 |
JP7338189B2 JP7338189B2 (ja) | 2023-09-05 |
Family
ID=72605081
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2019056826A Active JP7338189B2 (ja) | 2019-03-25 | 2019-03-25 | 電源装置 |
Country Status (3)
Country | Link |
---|---|
US (1) | US11050343B2 (ja) |
JP (1) | JP7338189B2 (ja) |
CN (1) | CN111740620B (ja) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111313680B (zh) * | 2020-03-20 | 2022-06-03 | 苏州浪潮智能科技有限公司 | 一种功率因数校正的控制方法、装置、设备及存储介质 |
JP6983289B1 (ja) * | 2020-08-24 | 2021-12-17 | 三菱電機株式会社 | 電力変換装置 |
CN113315388B (zh) * | 2021-06-25 | 2022-05-06 | 江苏容正医药科技有限公司 | 一种高功率密度-长寿命高频脉冲交流电源 |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS63287363A (ja) * | 1987-05-18 | 1988-11-24 | Fujitsu Ltd | 入力コンデンサの容量抜け検出方式 |
JP2006133046A (ja) * | 2004-11-05 | 2006-05-25 | Densei Lambda Kk | コンデンサ寿命予測装置とこれを用いた電源装置 |
JP2009014375A (ja) * | 2007-07-02 | 2009-01-22 | Sony Corp | 電子機器、印刷装置及び駆動動作強制停止方法 |
JP2009014428A (ja) * | 2007-07-03 | 2009-01-22 | Panasonic Corp | 電源装置および電気機器 |
JP2009168587A (ja) * | 2008-01-16 | 2009-07-30 | Fujitsu General Ltd | 平滑コンデンサの異常検出回路及びこれを備えた電子機器 |
JP2012210060A (ja) * | 2011-03-29 | 2012-10-25 | Fujitsu General Ltd | 電力変換装置 |
Family Cites Families (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5793623A (en) * | 1994-07-01 | 1998-08-11 | Sharp Kabushiki Kaisha | Air conditioning device |
EP2301134B1 (en) * | 2008-07-11 | 2015-12-16 | EM Microelectronic-Marin SA | Power supply unit having a voltage converter |
JP2010033859A (ja) * | 2008-07-29 | 2010-02-12 | Kuroi Electric Co Ltd | 放電灯点灯回路 |
JP5778377B2 (ja) * | 2009-02-18 | 2015-09-16 | Dxアンテナ株式会社 | 寿命検出装置および寿命検出方法 |
DE112009004573T5 (de) * | 2009-03-24 | 2012-09-06 | Murata Manufacturing Co., Ltd. | Schaltnetzteil |
JP6071051B2 (ja) * | 2012-02-17 | 2017-02-01 | Tdk株式会社 | スイッチング電源装置 |
JP6400407B2 (ja) * | 2014-09-18 | 2018-10-03 | Ntn株式会社 | 充電装置 |
JP6447095B2 (ja) * | 2014-12-19 | 2019-01-09 | 富士電機株式会社 | スイッチング電源回路 |
US9515504B2 (en) * | 2015-01-19 | 2016-12-06 | Macau University Of Science And Technology | Battery charger with power factor correction |
JP6926762B2 (ja) * | 2017-07-18 | 2021-08-25 | Tdk株式会社 | 電源装置 |
JP2019176605A (ja) * | 2018-03-28 | 2019-10-10 | Tdk株式会社 | ブリッジレストーテムポール力率改善コンバータ用のゼロ電流検出回路およびブリッジレストーテムポール力率改善コンバータ |
JP6962259B2 (ja) * | 2018-04-11 | 2021-11-05 | Tdk株式会社 | スイッチング電源装置 |
-
2019
- 2019-03-25 JP JP2019056826A patent/JP7338189B2/ja active Active
-
2020
- 2020-03-17 US US16/821,167 patent/US11050343B2/en active Active
- 2020-03-23 CN CN202010206937.XA patent/CN111740620B/zh active Active
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS63287363A (ja) * | 1987-05-18 | 1988-11-24 | Fujitsu Ltd | 入力コンデンサの容量抜け検出方式 |
JP2006133046A (ja) * | 2004-11-05 | 2006-05-25 | Densei Lambda Kk | コンデンサ寿命予測装置とこれを用いた電源装置 |
JP2009014375A (ja) * | 2007-07-02 | 2009-01-22 | Sony Corp | 電子機器、印刷装置及び駆動動作強制停止方法 |
JP2009014428A (ja) * | 2007-07-03 | 2009-01-22 | Panasonic Corp | 電源装置および電気機器 |
JP2009168587A (ja) * | 2008-01-16 | 2009-07-30 | Fujitsu General Ltd | 平滑コンデンサの異常検出回路及びこれを備えた電子機器 |
JP2012210060A (ja) * | 2011-03-29 | 2012-10-25 | Fujitsu General Ltd | 電力変換装置 |
Also Published As
Publication number | Publication date |
---|---|
US20200313545A1 (en) | 2020-10-01 |
US11050343B2 (en) | 2021-06-29 |
CN111740620B (zh) | 2024-02-02 |
CN111740620A (zh) | 2020-10-02 |
JP7338189B2 (ja) | 2023-09-05 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
US20120235649A1 (en) | Power factor correction converter | |
US8723498B2 (en) | Systems and methods of increasing power measurement accuracy for power factor correction | |
US7616455B2 (en) | Power factor correction using current sensing on an output | |
KR100806774B1 (ko) | Ac/dc 변환기 및 이를 이용한 ac/dc 변환 방법 | |
JP2020162223A (ja) | 電源装置および医療システム | |
US20080246445A1 (en) | Power factor correction by measurement and removal of overtones | |
JP6217340B2 (ja) | 電源装置 | |
US20120044725A1 (en) | Boost-buck power factor correction | |
KR101851930B1 (ko) | 교류-직류 컨버터 | |
JP5746560B2 (ja) | スイッチング電源装置 | |
JP6642317B2 (ja) | 電力変換装置、及び電力変換装置の制御方法 | |
US10345360B2 (en) | Capacitor life diagnosis device, capacitor life diagnosis method, and program | |
KR101564004B1 (ko) | 직류 변환 장치 | |
JP5222587B2 (ja) | 力率改善回路 | |
KR100430793B1 (ko) | 스위칭 전원 회로 및 그 제어 방법 | |
CN112997393B (zh) | 用于电路监视的方法和装置 | |
JP2017184314A (ja) | 電源回路 | |
JP6847622B2 (ja) | 電気車用電力変換装置及び電気車用電力変換方法 | |
JP6238300B2 (ja) | スイッチング電源の制御方法及び制御装置 | |
CN113557657A (zh) | 功率变换装置的控制方法及功率变换装置 | |
US11070139B2 (en) | Systems and methods to estimate magnetic flux in a switched mode power supply | |
JP2009148085A (ja) | 電力変換器 | |
JP6890978B2 (ja) | 静電コーティング装置用高電圧電源装置 | |
JP6666550B2 (ja) | コンデンサ寿命診断装置、電源システム、コンデンサ寿命診断方法及びプログラム | |
KR101869105B1 (ko) | 전원 장치 제어 회로 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
A621 | Written request for application examination |
Free format text: JAPANESE INTERMEDIATE CODE: A621 Effective date: 20211229 |
|
A977 | Report on retrieval |
Free format text: JAPANESE INTERMEDIATE CODE: A971007 Effective date: 20221026 |
|
A131 | Notification of reasons for refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A131 Effective date: 20221206 |
|
A601 | Written request for extension of time |
Free format text: JAPANESE INTERMEDIATE CODE: A601 Effective date: 20230130 |
|
A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20230331 |
|
TRDD | Decision of grant or rejection written | ||
A01 | Written decision to grant a patent or to grant a registration (utility model) |
Free format text: JAPANESE INTERMEDIATE CODE: A01 Effective date: 20230725 |
|
A61 | First payment of annual fees (during grant procedure) |
Free format text: JAPANESE INTERMEDIATE CODE: A61 Effective date: 20230807 |
|
R150 | Certificate of patent or registration of utility model |
Ref document number: 7338189 Country of ref document: JP Free format text: JAPANESE INTERMEDIATE CODE: R150 |