JP6779388B2 - 電力変換装置 - Google Patents
電力変換装置 Download PDFInfo
- Publication number
- JP6779388B2 JP6779388B2 JP2019554090A JP2019554090A JP6779388B2 JP 6779388 B2 JP6779388 B2 JP 6779388B2 JP 2019554090 A JP2019554090 A JP 2019554090A JP 2019554090 A JP2019554090 A JP 2019554090A JP 6779388 B2 JP6779388 B2 JP 6779388B2
- Authority
- JP
- Japan
- Prior art keywords
- power conversion
- conversion device
- current
- mosfet
- control unit
- 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.)
- Active
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
- 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
-
- 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
- H02M3/02—Conversion of dc power input into dc power output without intermediate conversion into ac
- H02M3/04—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters
- H02M3/10—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode
- H02M3/145—Conversion of dc power input into dc power output without intermediate conversion into ac 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
- H02M3/155—Conversion of dc power input into dc power output without intermediate conversion into ac 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
-
- 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
- H02M3/02—Conversion of dc power input into dc power output without intermediate conversion into ac
- H02M3/04—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters
- H02M3/10—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode
- H02M3/145—Conversion of dc power input into dc power output without intermediate conversion into ac 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
- H02M3/155—Conversion of dc power input into dc power output without intermediate conversion into ac 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
- H02M3/156—Conversion of dc power input into dc power output without intermediate conversion into ac 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 with automatic control of output voltage or current, e.g. switching regulators
- H02M3/158—Conversion of dc power input into dc power output without intermediate conversion into ac 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 with automatic control of output voltage or current, e.g. switching regulators including plural semiconductor devices as final control devices for a single load
-
- 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
- H02M3/02—Conversion of dc power input into dc power output without intermediate conversion into ac
- H02M3/04—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters
- H02M3/10—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode
- H02M3/145—Conversion of dc power input into dc power output without intermediate conversion into ac 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
- H02M3/155—Conversion of dc power input into dc power output without intermediate conversion into ac 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
- H02M3/156—Conversion of dc power input into dc power output without intermediate conversion into ac 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 with automatic control of output voltage or current, e.g. switching regulators
- H02M3/158—Conversion of dc power input into dc power output without intermediate conversion into ac 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 with automatic control of output voltage or current, e.g. switching regulators including plural semiconductor devices as final control devices for a single load
- H02M3/1584—Conversion of dc power input into dc power output without intermediate conversion into ac 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 with automatic control of output voltage or current, e.g. switching regulators including plural semiconductor devices as final control devices for a single load with a plurality of power processing stages connected in parallel
-
- 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
-
- 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
-
- 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
- H02M3/00—Conversion of dc power input into dc power output
- H02M3/02—Conversion of dc power input into dc power output without intermediate conversion into ac
- H02M3/04—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters
- H02M3/10—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode
- H02M3/145—Conversion of dc power input into dc power output without intermediate conversion into ac 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
- H02M3/155—Conversion of dc power input into dc power output without intermediate conversion into ac 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
- H02M3/156—Conversion of dc power input into dc power output without intermediate conversion into ac 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 with automatic control of output voltage or current, e.g. switching regulators
- H02M3/158—Conversion of dc power input into dc power output without intermediate conversion into ac 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 with automatic control of output voltage or current, e.g. switching regulators including plural semiconductor devices as final control devices for a single load
- H02M3/1584—Conversion of dc power input into dc power output without intermediate conversion into ac 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 with automatic control of output voltage or current, e.g. switching regulators including plural semiconductor devices as final control devices for a single load with a plurality of power processing stages connected in parallel
- H02M3/1586—Conversion of dc power input into dc power output without intermediate conversion into ac 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 with automatic control of output voltage or current, e.g. switching regulators including plural semiconductor devices as final control devices for a single load with a plurality of power processing stages connected in parallel switched with a phase shift, i.e. interleaved
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Dc-Dc Converters (AREA)
- Rectifiers (AREA)
Description
図1は、本発明の実施の形態1に係る電力変換装置200の構成例を示す図である。図1に示すように、実施の形態1に係る電力変換装置200は、単相全波整流部2と、リアクタ31,32と、第1のMOSFET41,51と、第2のMOSFET42,52と、電解コンデンサ6と、電圧検出部7と、電流検出部81,82と、制御部9と、を備える。電力変換装置200は、単相交流電源1から供給される交流電圧を直流電圧に変換し、直流電圧の力率を改善し、力率改善後の直流電圧を出力負荷10に供給する。図1には、電力変換装置200とともに、電力変換装置200に接続される単相交流電源1および出力負荷10も図示している。
実施の形態1では、第2のMOSFETが誤動作によってオンし、かつ異なるチョッパ回路の第1のMOSFETがオンした場合の動作について説明した。実施の形態2では、第2のMOSFETが誤動作によってオンし、かつ同じチョッパ回路内の第1のMOSFETがオンした場合の動作について説明する。実施の形態1と異なる部分について説明する。
Claims (6)
- 交流電圧を直流電圧に変換する整流器と、
前記整流器と並列に接続されるコンデンサと、
前記整流器と前記コンデンサとの間に設置され、各々が、前記整流器のプラス側の出力端子に接続するリアクタと、前記整流器と並列に接続される第1のスイッチング素子と、一端が前記コンデンサのプラス側の端子に接続し、他端が前記リアクタおよび前記第1のスイッチング素子と接続する第2のスイッチング素子とを有する、複数のチョッパ回路と、
前記リアクタと、前記第1のスイッチング素子と前記第2のスイッチング素子との間に配される接続点との間に設置され、前記リアクタに流れる電流を双方向で検出し、電力変換装置の異常を検知した場合、前記電力変換装置の異常を検知したことを示す第1の異常検知信号を出力する第1の電流検出部と、
前記第1の電流検出部の検出結果を用いて、前記第1のスイッチング素子の動作を制御する制御部と、
を備えることを特徴とする電力変換装置。 - 前記第1の電流検出部は、前記第2のスイッチング素子から前記リアクタに流れる電流を検出した場合、前記第1の異常検知信号を前記制御部に出力し、
前記制御部は、前記第1の異常検知信号を取得した場合、全ての前記第1のスイッチング素子の動作を停止させる、
ことを特徴とする請求項1に記載の電力変換装置。 - 前記第1のスイッチング素子の他端と前記整流器のマイナス側の出力端子との間に設置され、前記第1のスイッチング素子から出力される電流を検出する第2の電流検出部、
を備えることを特徴とする請求項1または2に記載の電力変換装置。 - 前記第2の電流検出部は、前記第1のスイッチング素子から流れる電流の電流値が閾値を超えた場合、前記電力変換装置の異常を検知したことを示す第2の異常検知信号を前記制御部に出力し、
前記制御部は、前記第2の異常検知信号を取得した場合、全ての前記第1のスイッチング素子の動作を停止させる、
ことを特徴とする請求項3に記載の電力変換装置。 - 前記第1のスイッチング素子および前記第2のスイッチング素子を構成するダイオードを、ワイドバンドギャップ半導体によって形成する、
ことを特徴とする請求項1から4のいずれか1つに記載の電力変換装置。 - 前記ワイドバンドギャップ半導体は、炭化珪素、窒化ガリウム、またはダイヤモンドである、
ことを特徴とする請求項5に記載の電力変換装置。
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/JP2017/041066 WO2019097602A1 (ja) | 2017-11-15 | 2017-11-15 | 電力変換装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPWO2019097602A1 JPWO2019097602A1 (ja) | 2020-02-27 |
JP6779388B2 true JP6779388B2 (ja) | 2020-11-04 |
Family
ID=66538588
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2019554090A Active JP6779388B2 (ja) | 2017-11-15 | 2017-11-15 | 電力変換装置 |
Country Status (6)
Country | Link |
---|---|
US (1) | US11070142B2 (ja) |
EP (1) | EP3514937A4 (ja) |
JP (1) | JP6779388B2 (ja) |
CN (1) | CN111357184A (ja) |
AU (1) | AU2017440157B2 (ja) |
WO (1) | WO2019097602A1 (ja) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US11735995B2 (en) * | 2018-06-18 | 2023-08-22 | Hitachi Astemo, Ltd. | Multi-phase power converter with drift current |
Family Cites Families (23)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3784893A (en) | 1973-01-10 | 1974-01-08 | Bell Telephone Labor Inc | High voltage shutdown protection circuit with bias arrangement to decrease the voltage shutdown point with increasing load |
JPS51104105A (ja) * | 1975-03-10 | 1976-09-14 | Hitachi Ltd | Sainetsushikitaabinno chuatsukeeshingukozo |
JP2002186258A (ja) | 2000-12-15 | 2002-06-28 | Hitachi Ltd | 並列電源システム |
US7365525B2 (en) | 2005-02-08 | 2008-04-29 | Linear Technology Corporation | Protection for switched step up/step down regulators |
JP4972142B2 (ja) | 2009-10-26 | 2012-07-11 | 日立コンピュータ機器株式会社 | 力率改善装置及びその制御方法 |
JP5510048B2 (ja) * | 2010-05-13 | 2014-06-04 | 株式会社豊田自動織機 | 電源回路 |
JP5570338B2 (ja) | 2010-07-26 | 2014-08-13 | 三菱電機株式会社 | 多重チョッパ装置 |
JP5780074B2 (ja) * | 2011-09-09 | 2015-09-16 | ダイキン工業株式会社 | スイッチング電源回路の制御装置およびヒートポンプユニット |
JP5734441B2 (ja) * | 2011-09-14 | 2015-06-17 | 三菱電機株式会社 | 多重チョッパ装置 |
JP2013179805A (ja) * | 2012-02-29 | 2013-09-09 | Toyota Industries Corp | 双方向電力変換回路 |
US8879217B2 (en) | 2012-06-29 | 2014-11-04 | Infineon Technologies Austria Ag | Switching regulator with negative current limit protection |
JP2015023606A (ja) | 2013-07-16 | 2015-02-02 | 新電元工業株式会社 | 力率改善回路 |
JP2015080314A (ja) | 2013-10-16 | 2015-04-23 | ダイキン工業株式会社 | 電力変換装置及び空気調和装置 |
JP6016770B2 (ja) * | 2013-12-20 | 2016-10-26 | 三菱電機株式会社 | 電源装置およびそれを備えた空気調和装置ならびにヒートポンプ給湯装置 |
JP6181578B2 (ja) * | 2014-02-27 | 2017-08-16 | 京セラ株式会社 | パワーコンディショナ |
WO2015140867A1 (ja) * | 2014-03-15 | 2015-09-24 | 三菱電機株式会社 | モータ駆動制御装置、圧縮機、送風機、及び空気調和機 |
US10141848B2 (en) | 2014-07-11 | 2018-11-27 | Midea Group Co., Ltd. | Interleaved power factor corrector |
CN104135002B (zh) * | 2014-07-11 | 2017-06-06 | 邯郸美的制冷设备有限公司 | 交错式功率因数校正器 |
JP5925346B1 (ja) * | 2015-02-04 | 2016-05-25 | 三菱電機株式会社 | 電力変換装置 |
AU2016240621B2 (en) * | 2015-03-31 | 2018-07-26 | Fujitsu General Limited | DC/AC system interconnection device and AC/AC system interconnection device |
WO2017009950A1 (ja) * | 2015-07-14 | 2017-01-19 | サンケン電気株式会社 | 多相力率改善回路 |
KR101734215B1 (ko) | 2015-10-30 | 2017-05-11 | 엘에스오토모티브 주식회사 | 안정성이 향상된 양방향 비절연 dc-dc 컨버터 |
KR101759739B1 (ko) * | 2016-10-28 | 2017-07-21 | 주식회사 경신 | 양방향 dc-dc 컨버터의 스위치 고장 판단 장치 및 방법 |
-
2017
- 2017-11-15 JP JP2019554090A patent/JP6779388B2/ja active Active
- 2017-11-15 US US16/623,029 patent/US11070142B2/en active Active
- 2017-11-15 WO PCT/JP2017/041066 patent/WO2019097602A1/ja unknown
- 2017-11-15 EP EP17909662.3A patent/EP3514937A4/en not_active Ceased
- 2017-11-15 AU AU2017440157A patent/AU2017440157B2/en active Active
- 2017-11-15 CN CN201780094766.2A patent/CN111357184A/zh active Pending
Also Published As
Publication number | Publication date |
---|---|
CN111357184A (zh) | 2020-06-30 |
US11070142B2 (en) | 2021-07-20 |
EP3514937A4 (en) | 2019-10-23 |
EP3514937A1 (en) | 2019-07-24 |
JPWO2019097602A1 (ja) | 2020-02-27 |
WO2019097602A1 (ja) | 2019-05-23 |
US20200403526A1 (en) | 2020-12-24 |
AU2017440157B2 (en) | 2020-12-10 |
AU2017440157A1 (en) | 2020-01-16 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
JP6009651B2 (ja) | 電力変換装置 | |
CN108702089B (zh) | 转换器装置 | |
JP5881477B2 (ja) | スイッチング素子駆動回路 | |
US9979286B2 (en) | Power converting device | |
US20180041108A1 (en) | Power converter | |
JP6406464B2 (ja) | 絶縁ゲート半導体装置 | |
JP5752234B2 (ja) | 電力変換装置 | |
JP6207631B2 (ja) | 電力変換装置 | |
JP6531643B2 (ja) | Dcdcコンバータ | |
JP5926079B2 (ja) | 電力変換装置 | |
JP5929277B2 (ja) | 3レベル電力変換装置 | |
JP6611989B2 (ja) | 過電流検出回路及び電力変換装置 | |
JP2017017839A (ja) | 半導体装置 | |
JP6049468B2 (ja) | 電力変換装置 | |
JP6779388B2 (ja) | 電力変換装置 | |
JP6337270B2 (ja) | 直流電源装置およびインバータ駆動装置およびこれを用いた空気調和機 | |
JP6239024B2 (ja) | 電力変換装置 | |
JP2014050166A (ja) | 直流電源装置 | |
US9419548B2 (en) | Method and control circuit for controlling a brushless electric motor | |
JP2014161195A (ja) | 直流電源装置 | |
CN107370369B (zh) | 升压斩波电路 | |
JP6543512B2 (ja) | 電力変換装置およびモータ装置 | |
JP2009225561A (ja) | マトリクスコンバータの保護装置 | |
JP2009033814A (ja) | 直流電源装置 | |
CN112544032A (zh) | 针对电源的输入电路 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
A621 | Written request for application examination |
Free format text: JAPANESE INTERMEDIATE CODE: A621 Effective date: 20191024 |
|
A131 | Notification of reasons for refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A131 Effective date: 20200623 |
|
A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20200727 |
|
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: 20200915 |
|
A61 | First payment of annual fees (during grant procedure) |
Free format text: JAPANESE INTERMEDIATE CODE: A61 Effective date: 20201013 |
|
R150 | Certificate of patent or registration of utility model |
Ref document number: 6779388 Country of ref document: JP Free format text: JAPANESE INTERMEDIATE CODE: R150 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |