JP6550238B2 - 電源周波数変換器及び関連する方法 - Google Patents
電源周波数変換器及び関連する方法 Download PDFInfo
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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
- H02M5/02—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 without intermediate conversion into dc
- H02M5/04—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 without intermediate conversion into dc by static converters
- H02M5/10—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 without intermediate conversion into dc by static converters using transformers
- H02M5/16—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 without intermediate conversion into dc by static converters using transformers for conversion of frequency
-
- 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
- H02M5/02—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 without intermediate conversion into dc
- H02M5/04—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 without intermediate conversion into dc by static converters
- H02M5/22—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 without intermediate conversion into dc by static converters using discharge tubes with control electrode or semiconductor devices with control electrode
- H02M5/25—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 without intermediate conversion into dc by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a thyratron or thyristor type requiring extinguishing means
- H02M5/27—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 without intermediate conversion into dc by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a thyratron or thyristor type requiring extinguishing means for conversion of frequency
- H02M5/271—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 without intermediate conversion into dc by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a thyratron or thyristor type requiring extinguishing means for conversion of frequency from a three phase input 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
- 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
- H02M5/02—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 without intermediate conversion into dc
- H02M5/04—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 without intermediate conversion into dc by static converters
- H02M5/22—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 without intermediate conversion into dc by static converters using discharge tubes with control electrode or semiconductor devices with control electrode
- H02M5/25—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 without intermediate conversion into dc by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a thyratron or thyristor type requiring extinguishing means
- H02M5/257—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 without intermediate conversion into dc by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a thyratron or thyristor type requiring extinguishing means using semiconductor devices only
- H02M5/2573—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 without intermediate conversion into dc by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a thyratron or thyristor type requiring extinguishing means using semiconductor devices only with control circuit
-
- 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
-
- 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
- H02P27/16—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 ac to ac converters without intermediate conversion to dc
- H02P27/18—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 ac to ac converters without intermediate conversion to dc varying the frequency by omitting half waves
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03L—AUTOMATIC CONTROL, STARTING, SYNCHRONISATION OR STABILISATION OF GENERATORS OF ELECTRONIC OSCILLATIONS OR PULSES
- H03L7/00—Automatic control of frequency or phase; Synchronisation
- H03L7/06—Automatic control of frequency or phase; Synchronisation using a reference signal applied to a frequency- or phase-locked 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
- 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
- H02M5/02—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 without intermediate conversion into dc
- H02M5/04—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 without intermediate conversion into dc by static converters
- H02M5/22—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 without intermediate conversion into dc by static converters using discharge tubes with control electrode or semiconductor devices with control electrode
- H02M5/275—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 without intermediate conversion into dc 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
- H02M5/293—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 without intermediate conversion into dc 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
- H02M5/2932—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 without intermediate conversion into dc 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, current or power
- H02M5/2937—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 without intermediate conversion into dc 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, current or power using whole cycle control, i.e. switching an integer number of whole or half cycles of the AC input voltage
-
- 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
- H02P31/00—Arrangements for regulating or controlling electric motors not provided for in groups H02P1/00 - H02P5/00, H02P7/00 or H02P21/00 - H02P29/00
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Inverter Devices (AREA)
- Ac-Ac Conversion (AREA)
- Rectifiers (AREA)
- Control Of Ac Motors In General (AREA)
Description
Claims (8)
- 複数の電源整流モジュールを備え、各電源整流モジュールは、第1周波数の交流(AC)入力信号の複数の異なる相を受信するための複数の電源整流部を含み、各電源整流モジュールは、AC出力信号のそれぞれの相を、前記第1周波数とは異なる第2周波数で負荷へ送信するように構成されており、
前記複数の電源整流モジュールを選択的に作動させる制御信号を送信するように構成されている制御部をさらに備え、前記制御部は、前記制御信号を、前記第1周波数と同期することなく送信するように構成されており、
前記制御部は、正及び負の部分と、正の部分と負の部分との間の移行部分とを有する制御信号を各電源整流部へ送信するように構成されており、
前記移行部分は、前記AC入力信号の周期よりも長い、電源周波数変換器。 - 前記第1周波数は可変であり、前記第2周波数は固定されている、請求項1に記載の電源周波数変換器。
- 前記電源整流部は、前記制御信号に従って、正方向の整流又は負方向の整流を交互に行うように構成されている、請求項1又は2に記載の電源周波数変換器。
- 各電源整流モジュールは、複数のサイリスタを含む、請求項3に記載の電源周波数変換器。
- 前記AC入力信号は、三相入力信号を含み、前記AC出力信号は、三相出力信号を含む、請求項1〜3のいずれかに記載の電源周波数変換器。
- 各電源整流モジュールは、3つの電源整流部を含み、各電源整流モジュールの電源整流部は、それぞれ、前記三相入力信号の異なる相と関連付けられており、各電源整流モジュールのそれぞれの電源整流部の出力は、組み合わされることにより、前記三相出力信号の各相を形成する、請求項5に記載の電源周波数変換器。
- 誘導モーターと、
複数の電源整流モジュールとを備え、各電源整流モジュールは、第1周波数の三相交流(AC)入力信号の複数の異なる相を受信するための複数の電源整流部を含み、各電源整流モジュールは、三相AC出力信号のそれぞれの相を、前記第1周波数とは異なる第2周波数で前記誘導モーターへ送信するように構成されており、
前記複数の電源整流モジュールを選択的に作動させる制御信号を送信するように構成されている制御部をさらに備え、前記制御部は、前記制御信号を、前記第1周波数と同期することなく送信するように構成されており、
前記制御部は、正及び負の部分と、正の部分と負の部分との間の移行部分とを有する制御信号を各電源整流部へ送信するように構成されており、
前記移行部分は、前記AC入力信号の周期よりも長い、アセンブリ。 - 電源周波数変換を行うための方法であって、
複数の電源整流モジュールを用いて、第1周波数の交流(AC)入力信号を受信することを含み、各電源整流モジュールは、前記AC入力信号の複数の異なる相を受信するための複数の電源整流部を含み、
前記第1周波数とは異なる第2周波数のAC出力信号のそれぞれの相を、各電源整流モジュールから負荷へ送信することと、
前記第1周波数と同期していない制御信号を用いて、前記複数の電源整流モジュールを選択的に作動させること、とをさらに含み、
前記複数の電源整流モジュールを選択的に作動させる際に、正及び負の部分と、正の部分と負の部分との間の移行部分とを有する制御信号を各電源整流部へ送信する構成とし、前記移行部分は、前記AC入力信号の周期よりも長い、方法。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US14/195,152 | 2014-03-03 | ||
US14/195,152 US9484828B2 (en) | 2014-03-03 | 2014-03-03 | Power frequency converter and associated method |
Publications (2)
Publication Number | Publication Date |
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JP2015167467A JP2015167467A (ja) | 2015-09-24 |
JP6550238B2 true JP6550238B2 (ja) | 2019-07-24 |
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JP2015030246A Active JP6550238B2 (ja) | 2014-03-03 | 2015-02-19 | 電源周波数変換器及び関連する方法 |
Country Status (6)
Country | Link |
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US (1) | US9484828B2 (ja) |
EP (1) | EP2916446A1 (ja) |
JP (1) | JP6550238B2 (ja) |
KR (1) | KR102358907B1 (ja) |
CN (1) | CN104901555B (ja) |
BR (1) | BR102015000903A2 (ja) |
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US11459098B2 (en) | 2019-11-27 | 2022-10-04 | The Boeing Company | Variable speed transmission and related methods |
Family Cites Families (24)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3287622A (en) | 1963-06-14 | 1966-11-22 | Bendix Corp | Static frequency converter for producing a constant output frequency from a variablefrequency input |
US3641418A (en) | 1966-03-21 | 1972-02-08 | Gen Electric | Frequency conversion system |
US3609509A (en) * | 1970-03-11 | 1971-09-28 | Gen Electric | Feedback control for cycloconverter |
US3916284A (en) | 1974-06-13 | 1975-10-28 | Outdoor Energy Products Inc | Polyphase alternator with single phase output |
JPS607466B2 (ja) * | 1975-07-07 | 1985-02-25 | 株式会社東芝 | 電流型サイクロコンバ−タ装置 |
JPH09205797A (ja) * | 1996-01-25 | 1997-08-05 | Takao Kawabata | 交流電動機の可変速駆動装置 |
US6331759B1 (en) | 1999-04-27 | 2001-12-18 | The Boeing Company | Pulse drive angle measurement system and method |
JP4154635B2 (ja) * | 1999-05-31 | 2008-09-24 | 株式会社デンソー | センサレス・ブラシレスdcモータ制御装置 |
DE10051222A1 (de) * | 2000-10-16 | 2002-04-25 | Alstom Switzerland Ltd | Verfahren zum Betrieb eines Matrixkonverters sowie Matrixkonverter zur Durchführung des Verfahrens |
US6693407B2 (en) | 2001-06-26 | 2004-02-17 | The Boeing Company | Controller and associated system and method for pulse-width-modulation switching noise reduction by voltage control |
US6466468B1 (en) * | 2002-01-31 | 2002-10-15 | The Boeing Company | Direct conversion programmable power source controller |
US6661190B1 (en) | 2002-05-23 | 2003-12-09 | The Boeing Company | Controller and associated drive assembly controlling a brushless direct current motor |
US6727673B2 (en) | 2002-06-05 | 2004-04-27 | The Boeing Company | Energy balanced system, controller and method for moving a load to a setpoint |
US6642683B1 (en) * | 2002-08-26 | 2003-11-04 | The Boeing Company | Controller and associated drive assembly for power sharing, time sliced control of a brushless direct current motor |
US6927965B2 (en) | 2003-03-25 | 2005-08-09 | The Boeing Company | Fuel level sensor safety barrier |
US6906481B1 (en) | 2003-12-03 | 2005-06-14 | The Boeing Company | Power sharing high frequency motor drive modular system |
US7348755B2 (en) | 2003-12-18 | 2008-03-25 | The Boeing Company | Time sliced DSP operation for very high frequency pulse width modulated controllers |
KR101119323B1 (ko) * | 2004-09-29 | 2012-03-06 | 가부시키가이샤 야스카와덴키 | 병렬 다중 매트릭스 컨버터 장치 |
US7471055B2 (en) | 2005-03-15 | 2008-12-30 | The Boeing Company | Controller, drive assembly and half-bridge assembly for providing a voltage |
CN101459385B (zh) * | 2007-12-12 | 2013-05-15 | 张东胜 | 一种混合型变流装置 |
US10020716B2 (en) | 2010-03-31 | 2018-07-10 | The Boeing Company | Transverse flux induction motor with passive braking system |
US8577585B2 (en) | 2012-01-03 | 2013-11-05 | The Boeing Company | Transport and handling system and methods of transporting a commodity |
US9281736B2 (en) | 2013-03-23 | 2016-03-08 | The Boeing Company | Virtual ellipse motor |
US9124150B2 (en) | 2013-07-12 | 2015-09-01 | The Boeing Company | Active-active redundant motor gear system |
-
2014
- 2014-03-03 US US14/195,152 patent/US9484828B2/en active Active
- 2014-12-05 CN CN201410743164.3A patent/CN104901555B/zh active Active
- 2014-12-23 EP EP14200099.1A patent/EP2916446A1/en not_active Ceased
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2015
- 2015-01-14 BR BR102015000903A patent/BR102015000903A2/pt not_active Application Discontinuation
- 2015-01-15 KR KR1020150007364A patent/KR102358907B1/ko active IP Right Grant
- 2015-02-19 JP JP2015030246A patent/JP6550238B2/ja active Active
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BR102015000903A2 (pt) | 2015-12-29 |
JP2015167467A (ja) | 2015-09-24 |
EP2916446A1 (en) | 2015-09-09 |
KR20150103626A (ko) | 2015-09-11 |
US9484828B2 (en) | 2016-11-01 |
CN104901555A (zh) | 2015-09-09 |
US20150249399A1 (en) | 2015-09-03 |
CN104901555B (zh) | 2019-11-12 |
KR102358907B1 (ko) | 2022-02-04 |
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