JP6864116B2 - 電力変換システム - Google Patents
電力変換システム Download PDFInfo
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- JP6864116B2 JP6864116B2 JP2019554093A JP2019554093A JP6864116B2 JP 6864116 B2 JP6864116 B2 JP 6864116B2 JP 2019554093 A JP2019554093 A JP 2019554093A JP 2019554093 A JP2019554093 A JP 2019554093A JP 6864116 B2 JP6864116 B2 JP 6864116B2
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- 238000006243 chemical reaction Methods 0.000 title claims description 40
- 230000008878 coupling Effects 0.000 claims description 12
- 238000010168 coupling process Methods 0.000 claims description 12
- 238000005859 coupling reaction Methods 0.000 claims description 12
- 238000001514 detection method Methods 0.000 claims description 7
- 238000010586 diagram Methods 0.000 description 8
- 230000001629 suppression Effects 0.000 description 5
- 239000003990 capacitor Substances 0.000 description 4
- 238000004804 winding Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 2
- 238000013459 approach Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
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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
- 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
- H02M5/4585—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 having a rectifier with controlled elements
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J3/00—Circuit arrangements for ac mains or ac distribution networks
- H02J3/18—Arrangements for adjusting, eliminating or compensating reactive power in networks
-
- 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
-
- 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
- H02M1/12—Arrangements for reducing harmonics from ac 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
- 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
- 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
-
- 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
- H02M7/42—Conversion of dc power input into ac power output without possibility of reversal
- H02M7/44—Conversion of dc power input into ac power output without possibility of reversal by static converters
- H02M7/48—Conversion of dc power input into ac power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode
- H02M7/493—Conversion of dc power input into ac power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode the static converters being arranged for operation in parallel
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02P—CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
- H02P27/00—Arrangements or methods for the control of AC motors characterised by the kind of supply voltage
- H02P27/04—Arrangements or methods for the control of AC motors characterised by the kind of supply voltage using variable-frequency supply voltage, e.g. inverter or converter supply voltage
- H02P27/06—Arrangements or methods for the control of AC motors characterised by the kind of supply voltage using variable-frequency supply voltage, e.g. inverter or converter supply voltage using dc to ac converters or inverters
- H02P27/08—Arrangements or methods for the control of AC motors characterised by the kind of supply voltage using variable-frequency supply voltage, e.g. inverter or converter supply voltage using dc to ac converters or inverters with pulse width modulation
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02P—CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
- H02P29/00—Arrangements for regulating or controlling electric motors, appropriate for both AC and DC motors
- H02P29/50—Reduction of harmonics
-
- 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
- H02M1/0003—Details of control, feedback or regulation circuits
- H02M1/0025—Arrangements for modifying reference values, feedback values or error values in the control loop of a converter
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Inverter Devices (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
Description
1A 入力変圧器
2A、2B、2C、2D、2E、2F、2G、2H 電力変換器
21A、21B コンバータ
22A、22B インバータ
23A、23B 直流コンデンサ
24A、24B 電圧検出器
3、3A、3B、3C 結合リアクトル
5A、5B 電流検出器
6A、6B 電流検出器
7、7A 差電流制御部
71 減算器
72 差電流制御器
73、74 減算器
8A、8B、8C、8D 制御部
81A、81B 減算器
82A、82B 電圧制御器
83A、83B、83C、83D 減算器
84A、84B、84C、84D 電流制御器
85A、85B PWM制御器
86A 位相同期回路
87A 3相―2相変換器
88A 2相―3相変換器
9A、9B 電圧検出器
Claims (6)
- 直流電圧を制御可能な第1のコンバータと第1のインバータで構成される第1の電力変換装置と、
直流電圧を制御可能な第2のコンバータと第2のインバータで構成される第2の電力変換装置を有し、
前記第1のインバータの出力と前記第2のインバータの出力を、結合リアクトルを介して並列接続して交流電動機を駆動する電力変換システムであって、
前記第1のインバータの出力電流を検出する第1の電流検出器で検出された第1検出電流と、前記第2のインバータの出力電流を検出する第2の電流検出器で検出された第2検出電流との差分に応じて、前記第1のコンバータと前記第2のコンバータの何れか一方の直流出力電圧を制御して前記第1のインバータと前記第2のインバータ間に流れる横流を抑制するようにしたことを特徴とする電力変換システム。 - 前記第1のコンバータを制御する第1の制御部と、前記第2のコンバータを制御する第2の制御部と、前記第1検出電流と前記第2検出電流との差分から前記第1の制御部に前記差分が最小となるような補正信号を出力する差電流制御部を備え、
前記第2の制御部は、前記第2のコンバータの直流出力電圧が所定の直流電圧基準となるように制御し、
前記第1の制御部は、前記第1のコンバータの直流出力電圧が、前記所定の直流電圧基準を前記補正信号で補正した値となるように制御するようにしたことを特徴とする請求項1に記載の電力変換システム。 - 前記第1のコンバータを制御する第1の制御部と、前記第2のコンバータを制御する第2の制御部と、前記第1検出電流と前記第2検出電流との差分から前記第1の制御部に前記差分が最小となるような補正信号を出力する差電流制御部を備え、
前記第2の制御部は、前記第2のコンバータの直流出力電圧が所定の直流電圧基準となるように制御し、
前記第1の制御部は、前記第1のコンバータの直流出力電圧の帰還を前記補正信号で補正した値が、前記所定の直流電圧基準となるように制御するようにしたことを特徴とする請求項1に記載の電力変換システム。 - 前記第1のコンバータを制御する第1の制御部と、前記第2のコンバータを制御する第2の制御部と備え、
前記第1の制御部と前記第2の制御部のうち少なくとも1つは無効電流制御を行うものとし、
前記第1のコンバータまたは前記第2のコンバータに流れる無効電流制御をマイナーループとして前記第1のコンバータまたは前記第2のコンバータの交流出力電圧制御を行うようにしたことを特徴とする請求項1に記載の電力変換システム。 - 前記第1の制御部と前記第2の制御部のうち少なくとも1つは無効電流制御を行うものとし、
前記第1のコンバータまたは前記第2のコンバータに流れる無効電流制御をマイナーループとして前記第1のコンバータまたは前記第2のコンバータの交流出力電圧制御を行うようにしたことを特徴とする請求項2または請求項3に記載の電力変換システム。 - 前記2台の電力変換装置を複数組備え、複数組の前記インバータの出力を合成して前記交流電動機を駆動するようにしたことを特徴とする請求項1乃至請求項5の何れか1項に記載の電力変換システム。
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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PCT/JP2017/041104 WO2019097605A1 (ja) | 2017-11-15 | 2017-11-15 | 電力変換システム |
Publications (2)
Publication Number | Publication Date |
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JPWO2019097605A1 JPWO2019097605A1 (ja) | 2020-10-22 |
JP6864116B2 true JP6864116B2 (ja) | 2021-04-21 |
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Country Status (5)
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US (1) | US10951125B2 (ja) |
EP (1) | EP3713075B1 (ja) |
JP (1) | JP6864116B2 (ja) |
CN (1) | CN111357186B (ja) |
WO (1) | WO2019097605A1 (ja) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
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DE102018101311A1 (de) * | 2018-01-22 | 2019-07-25 | Eaton Intelligent Power Limited | Elektrische Schutzschaltanordnung |
DE102018101312A1 (de) * | 2018-01-22 | 2019-07-25 | Eaton Intelligent Power Limited | Elektrische Schutzschaltungsanordnung |
WO2020100225A1 (ja) * | 2018-11-14 | 2020-05-22 | 東芝三菱電機産業システム株式会社 | 電力変換装置 |
JP7271386B2 (ja) * | 2019-10-01 | 2023-05-11 | 株式会社東芝 | 電力変換装置および電力変換装置の制御方法 |
EP3916990A1 (en) * | 2020-05-28 | 2021-12-01 | Goodrich Control Systems | Distributed control architecture for motor drives |
CN112366970B (zh) * | 2021-01-14 | 2021-04-02 | 深圳市正浩创新科技有限公司 | 逆变***、逆变***控制方法和并联逆变*** |
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GB2264403B (en) * | 1992-02-18 | 1996-09-04 | Hitachi Ltd | An apparatus for controlling parallel running of inverters |
JP2791273B2 (ja) * | 1993-09-07 | 1998-08-27 | 株式会社東芝 | 電力変換装置 |
JP3496369B2 (ja) * | 1995-11-06 | 2004-02-09 | 三菱電機株式会社 | レーザ用電源装置 |
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WO2007135730A1 (ja) * | 2006-05-23 | 2007-11-29 | Mitsubishi Denki Kabushiki Kaisha | 電力変換装置 |
JP4748052B2 (ja) * | 2006-12-22 | 2011-08-17 | 東芝三菱電機産業システム株式会社 | 交流出力変換器の並列運転制御装置 |
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JP5822732B2 (ja) * | 2012-01-11 | 2015-11-24 | 東芝三菱電機産業システム株式会社 | 3レベル電力変換装置 |
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-
2017
- 2017-11-15 EP EP17931919.9A patent/EP3713075B1/en active Active
- 2017-11-15 WO PCT/JP2017/041104 patent/WO2019097605A1/ja unknown
- 2017-11-15 CN CN201780096883.2A patent/CN111357186B/zh active Active
- 2017-11-15 JP JP2019554093A patent/JP6864116B2/ja active Active
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2020
- 2020-05-13 US US15/930,801 patent/US10951125B2/en active Active
Also Published As
Publication number | Publication date |
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EP3713075A4 (en) | 2021-06-23 |
EP3713075A1 (en) | 2020-09-23 |
CN111357186A (zh) | 2020-06-30 |
US20200321888A1 (en) | 2020-10-08 |
EP3713075B1 (en) | 2022-10-19 |
US10951125B2 (en) | 2021-03-16 |
CN111357186B (zh) | 2023-08-01 |
JPWO2019097605A1 (ja) | 2020-10-22 |
WO2019097605A1 (ja) | 2019-05-23 |
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