JP6220905B2 - 高圧インバータの瞬時停電補償方法 - Google Patents
高圧インバータの瞬時停電補償方法 Download PDFInfo
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05F—SYSTEMS FOR REGULATING ELECTRIC OR MAGNETIC VARIABLES
- G05F5/00—Systems for regulating electric variables by detecting deviations in the electric input to the system and thereby controlling a device within the system to obtain a regulated output
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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
- 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
- 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
-
- 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
- H02M7/483—Converters with outputs that each can have more than two voltages levels
- H02M7/4835—Converters with outputs that each can have more than two voltages levels comprising two or more cells, each including a switchable capacitor, the capacitors having a nominal charge voltage which corresponds to a given fraction of the input voltage, and the capacitors being selectively connected in series to determine the instantaneous output voltage
-
- 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
- H02M7/483—Converters with outputs that each can have more than two voltages levels
- H02M7/49—Combination of the output voltage waveforms of a plurality of converters
-
- 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
- H02P1/00—Arrangements for starting electric motors or dynamo-electric converters
- H02P1/02—Details of starting control
- H02P1/029—Restarting, e.g. after power failure
-
- 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
- H02P23/00—Arrangements or methods for the control of AC motors characterised by a control method other than vector control
- H02P23/06—Controlling the motor in four quadrants
- H02P23/07—Polyphase or monophase asynchronous induction motors
-
- 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
-
- 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
- H02M1/0096—Means for increasing hold-up time, i.e. the duration of time that a converter's output will remain within regulated limits following a loss of input power
-
- 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
- Y02P80/15—On-site combined power, heat or cool generation or distribution, e.g. combined heat and power [CHP] supply
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- Engineering & Computer Science (AREA)
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- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- General Physics & Mathematics (AREA)
- Radar, Positioning & Navigation (AREA)
- Automation & Control Theory (AREA)
- Inverter Devices (AREA)
- Control Of Ac Motors In General (AREA)
Description
本発明は一側面において以下の発明を包含する。
(発明1)
複数の電力セルを含むインバータの瞬時停電補償方法であって、
前記複数の電力セルの入力電圧が第1臨界電圧以下であるか否かを判断するステップと、
前記入力電圧が前記第1臨界電圧以下であるとき、前記インバータの出力周波数を減少させるステップと、
前記直流(DC)リンクの電圧が第2臨界電圧以上であるか否かを判断するステップと、
前記直流(DC)リンクの電圧が前記第2臨界電圧以上であるとき、前記インバータの出力周波数を増加させるステップと、
を有する、瞬時停電補償方法。
(発明2)
前記インバータの出力電流が臨界電流以上であるとき、前記複数の電力セルの出力周波数を減少させるステップをさらに有する、発明1に記載の瞬時停電補償方法。
(発明3)
前記直流(DC)リンクの電圧が前記第2臨界電圧以上であるとき、前記インバータの出力周波数を増加させるステップは、
前記複数の電力セルの入力電圧が前記第2臨界電圧以上に復旧した時点で、前記複数の電力セルが負荷から供給を受ける回生エネルギー及び復旧した入力電圧に起因する前記直流(DC)リンクの電圧変化をモニタリングし、前記直流(DC)リンクの電圧上昇分だけ出力周波数を増加させるステップを有することを特徴とする、発明1に記載の瞬時停電補償方法。
(発明4)
前記複数の電力セルの入力電圧が前記第2臨界電圧以上に復旧した時点で、前記出力周波数の傾きは、負荷量によって予め決定されていることを特徴とする、発明3に記載の瞬時停電補償方法。
(発明5)
前記インバータの出力電流が臨界電流以上であるとき、前記複数の電力セルの出力周波数を減少させるステップは、
前記直流(DC)リンクの電圧上昇による出力電流をモニタリングし、前記複数の電力セルの出力周波数を所定値だけ減少させるステップを有することを特徴とする、発明2に記載の瞬時停電補償方法。
(発明6)
前記回生エネルギー及び前記復旧した入力電圧に起因する直流(DC)リンクの電圧上昇をモニタリングし、前記電圧上昇分だけ出力周波数を増加させるステップより後に、
前記回生エネルギーに起因する電圧上昇分が除去されてから、出力周波数を所定時間だけ維持するステップをさらに有する、発明3に記載の瞬時停電補償方法。
(発明7)
前記出力周波数を所定時間だけ維持するステップより後に、
所定の加速傾きで出力周波数を増加させるステップをさらに有する、発明6に記載の瞬時停電補償方法。
(発明8)
前記所定の加速傾きで出力周波数を増加させるステップは、
瞬時停電以前の出力周波数まで出力周波数を増加させるステップを含む、発明7に記載の瞬時停電補償方法。
Claims (7)
- 複数の電力セルを含むインバータの瞬時停電補償方法であって、
前記複数の電力セルの入力電圧が第1臨界電圧以下であるか否かを判断するステップと、
前記入力電圧が前記第1臨界電圧以下であるとき、前記インバータの出力周波数を減少させるステップと、
前記直流(DC)リンクの電圧が第2臨界電圧以上であるか否かを判断するステップと、
前記直流(DC)リンクの電圧が前記第2臨界電圧以上であるとき、前記インバータの出力周波数を増加させるステップと、
を有する、瞬時停電補償方法であり、
前記インバータの出力周波数を増加させるステップは、
前記複数の電力セルの入力電圧が前記第1臨界電圧以上に復旧した時点で、前記複数の電力セルが負荷から供給を受ける回生エネルギー及び復旧した入力電圧に起因する前記直流(DC)リンクの電圧変化をモニタリングし、前記直流(DC)リンクの電圧上昇分だけ出力周波数を増加させるステップを有することを特徴とする、瞬時停電補償方法。 - 前記インバータの出力電流が臨界電流以上であるとき、前記複数の電力セルの出力周波数を減少させるステップをさらに有する、請求項1に記載の瞬時停電補償方法。
- 前記複数の電力セルの入力電圧が前記第1臨界電圧以上に復旧した時点で、前記出力周波数の傾きは、負荷量によって予め決定されていることを特徴とする、請求項1に記載の瞬時停電補償方法。
- 前記インバータの出力電流が臨界電流以上であるとき、前記複数の電力セルの出力周波数を減少させるステップは、
前記直流(DC)リンクの電圧上昇による出力電流をモニタリングし、前記複数の電力セルの出力周波数を所定値だけ減少させるステップを有することを特徴とする、請求項2に記載の瞬時停電補償方法。 - 前記回生エネルギー及び前記復旧した入力電圧に起因する直流(DC)リンクの電圧上昇をモニタリングし、前記電圧上昇分だけ出力周波数を増加させるステップより後に、
前記回生エネルギーに起因する電圧上昇分が除去されてから、出力周波数を所定時間だけ維持するステップをさらに有する、請求項1に記載の瞬時停電補償方法。 - 前記出力周波数を所定時間だけ維持するステップより後に、
所定の加速傾きで出力周波数を増加させるステップをさらに有する、請求項5に記載の瞬時停電補償方法。 - 前記所定の加速傾きで出力周波数を増加させるステップは、
瞬時停電以前の出力周波数まで出力周波数を増加させるステップを含む、請求項6に記載の瞬時停電補償方法。
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KR1020150008915A KR102009511B1 (ko) | 2015-01-19 | 2015-01-19 | 고압 인버터의 순시정전 보상 방법 및 이를 이용한 고압 인버터 시스템 |
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US (1) | US10073485B2 (ja) |
EP (1) | EP3046238B1 (ja) |
JP (1) | JP6220905B2 (ja) |
KR (1) | KR102009511B1 (ja) |
CN (1) | CN105811783B (ja) |
ES (1) | ES2693496T3 (ja) |
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JPS5914393A (ja) * | 1982-07-15 | 1984-01-25 | Fuji Electric Co Ltd | インバ−タの制御方式 |
JP2677648B2 (ja) * | 1989-01-05 | 1997-11-17 | 株式会社東芝 | インバータ装置 |
KR100675651B1 (ko) | 2004-12-08 | 2007-02-02 | 엘에스산전 주식회사 | 인버터 제어장치 및 방법 |
CN102233304B (zh) * | 2010-04-30 | 2014-07-23 | Ls产电株式会社 | 离心分离机驱动装置 |
KR101437202B1 (ko) | 2010-05-06 | 2014-09-03 | 엘에스산전 주식회사 | 복전시 인버터의 전압보상지령 보정방법 및 그 방법을 이용한 인버터 |
KR101260611B1 (ko) | 2011-07-20 | 2013-05-03 | 엘에스산전 주식회사 | 고압 인버터의 제어장치 및 방법 |
KR101260608B1 (ko) | 2011-09-26 | 2013-05-03 | 엘에스산전 주식회사 | 고압 인버터의 순시정전 보상방법 및 이를 이용한 고압 인버터 시스템 |
KR101236621B1 (ko) | 2011-12-14 | 2013-02-22 | 엘에스산전 주식회사 | 인버터 제어장치 |
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2015
- 2015-01-19 KR KR1020150008915A patent/KR102009511B1/ko active IP Right Grant
- 2015-12-30 ES ES15203101.9T patent/ES2693496T3/es active Active
- 2015-12-30 EP EP15203101.9A patent/EP3046238B1/en active Active
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2016
- 2016-01-18 US US14/997,982 patent/US10073485B2/en active Active
- 2016-01-19 CN CN201610034626.3A patent/CN105811783B/zh not_active Expired - Fee Related
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KR102009511B1 (ko) | 2019-10-22 |
CN105811783A (zh) | 2016-07-27 |
EP3046238A2 (en) | 2016-07-20 |
EP3046238B1 (en) | 2018-10-03 |
KR20160089603A (ko) | 2016-07-28 |
CN105811783B (zh) | 2019-06-18 |
ES2693496T3 (es) | 2018-12-12 |
US10073485B2 (en) | 2018-09-11 |
US20160209862A1 (en) | 2016-07-21 |
JP2016135097A (ja) | 2016-07-25 |
EP3046238A3 (en) | 2016-11-09 |
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