FI116337B - Förfarande för bestämning av utströmmarna i en frekvensomvandlare - Google Patents
Förfarande för bestämning av utströmmarna i en frekvensomvandlare Download PDFInfo
- Publication number
- FI116337B FI116337B FI20031869A FI20031869A FI116337B FI 116337 B FI116337 B FI 116337B FI 20031869 A FI20031869 A FI 20031869A FI 20031869 A FI20031869 A FI 20031869A FI 116337 B FI116337 B FI 116337B
- Authority
- FI
- Finland
- Prior art keywords
- voltage
- modulation
- vector
- current
- frequency converter
- Prior art date
Links
Classifications
-
- 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
- H02P27/12—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 pulsing by guiding the flux vector, current vector or voltage vector on a circle or a closed curve, e.g. for direct torque control
-
- 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
- H02M7/53—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 using devices of a triode or transistor type requiring continuous application of a control signal
- H02M7/537—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 using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only, e.g. single switched pulse inverters
- H02M7/5387—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 using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only, e.g. single switched pulse inverters 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
- H02M1/0003—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
- 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
- H02M7/53—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 using devices of a triode or transistor type requiring continuous application of a control signal
- H02M7/537—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 using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only, e.g. single switched pulse inverters
- H02M7/539—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 using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only, e.g. single switched pulse inverters with automatic control of output wave form or frequency
- H02M7/5395—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 using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only, e.g. single switched pulse inverters with automatic control of output wave form or frequency by pulse-width modulation
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Inverter Devices (AREA)
- Ac-Ac Conversion (AREA)
- Dc-Dc Converters (AREA)
- General Induction Heating (AREA)
- Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)
Claims (7)
1. Förfarande för att bestämma strömmar vid en trefasig frekvens-omriktares utgang, vilken frekvensomriktare omfattar en spänningsmellankrets och frekvensomriktarens utgang bildas av tre lastkopplarpar, där lastkopplarna 5 som bildar ett par är seriekopplade mellan en positiv och en negativ skena i spänningsmellankretsen, varvid respektive kopplarpars mittpunkt bildar en utgang för frekvensomriktarens fas, kännetecknat av att förfarandet omfattar under frekvensomriktarens drift steg, där en spänningsstyrvektor bildas för utgängens lastkopplare sä att en-10 dast tvä kopplarpar moduleras under en moduleringsperiod, nämnda tvä kopplarpar styrs att förverkliga spänningsstyrvektorn under moduleringsperioden genom användning av en nollvektor, strömmen hos frekvensomriktarens spänningsmellankrets mäts vid ett förutbestämt ögonblick i moduleringsperioden, och 15 nollvektorerna som används i moduleringsintervallen växlas aktivt under frekvensomriktarens drift.
2. Förfarande enligt patentkrav 1, kännetecknat av att förfarandet dessutom omfattar ett steg, där växlingen av nollvektorer aktivt under frekvensomriktarens drift omfattar ett steg, där nollvektorn som skall 20 användas växlas med tva eller flera moduleringsperioders intervall.
3. Förfarande enligt patentkrav 1 eller 2, kännetecknat av att , >·. det förutbestämda ögonblicket i moduleringsperioden är mitt i moduleringspe- ' · rioden. • %
4. Förfarande enligt patentkrav 1 eller 2, kännetecknat av att • f · * ] 25 det förutbestämda ögonblicket i moduleringsperioden är i början/slutet av mo- • * » I | duleringsperioden.
: 5. Förfarande enligt patentkrav 1, kännetecknat av att lii förfarandet omfattar ett steg, där spänningsmellankretsens ström mäts vid tvä förutbestämda ögonblick i moduleringsperioden. ; ; 1; 30
6. Förfarande enligt patentkrav 1, kännetecknat av attförfa- I · « » .*· ·. randet omfattar ett steg, där spänningsmellankretsens Ström mäts vid ett ögon- '}' blick som beror pä nollvektorn som skall användas.
’ “ 7. Förfarande enligt nägot av de föregäende patentkraven 1 - 6, kännetecknat av att förfarandet dessutom omfattar ett steg, där 35 en spänningsvektor som använts vid mätögonblicket bestäms, var- vid spänningsmellankretsens uppmätta ström riktas pä basis av en bestämd spänningsvektor tili en viss fasström.
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FI20031869A FI116337B (sv) | 2003-12-19 | 2003-12-19 | Förfarande för bestämning av utströmmarna i en frekvensomvandlare |
US11/010,568 US7190599B2 (en) | 2003-12-19 | 2004-12-14 | Method for determining output currents of frequency converter |
AT04106635T ATE437472T1 (de) | 2003-12-19 | 2004-12-16 | Verfahren zur ausgangsstrombestimmung eines frequenzumrichters |
DE602004022126T DE602004022126D1 (de) | 2003-12-19 | 2004-12-16 | Verfahren zur Ausgangsstrombestimmung eines Frequenzumrichters |
EP04106635A EP1553692B1 (en) | 2003-12-19 | 2004-12-16 | Method for determining output currents of frequency converter |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FI20031869A FI116337B (sv) | 2003-12-19 | 2003-12-19 | Förfarande för bestämning av utströmmarna i en frekvensomvandlare |
FI20031869 | 2003-12-19 |
Publications (3)
Publication Number | Publication Date |
---|---|
FI20031869A0 FI20031869A0 (sv) | 2003-12-19 |
FI20031869A FI20031869A (sv) | 2005-06-20 |
FI116337B true FI116337B (sv) | 2005-10-31 |
Family
ID=29763562
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FI20031869A FI116337B (sv) | 2003-12-19 | 2003-12-19 | Förfarande för bestämning av utströmmarna i en frekvensomvandlare |
Country Status (5)
Country | Link |
---|---|
US (1) | US7190599B2 (sv) |
EP (1) | EP1553692B1 (sv) |
AT (1) | ATE437472T1 (sv) |
DE (1) | DE602004022126D1 (sv) |
FI (1) | FI116337B (sv) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1936794A2 (en) | 2006-12-21 | 2008-06-25 | Vacon Oyj | Current measuring arrangement of a frequency converter |
US8350506B2 (en) | 2009-04-02 | 2013-01-08 | Vacon Oyj | Frequency converter start-up |
Families Citing this family (17)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
ATE476779T1 (de) * | 2006-01-23 | 2010-08-15 | Abb Oy | Verfahren zum starten von pulsbreitmodulation |
DE602007008045D1 (de) | 2007-01-12 | 2010-09-09 | Abb Oy | Verfahren zur Schätzung der Rotordrehzahl und Position einer synchronen Permanentmagnetmaschine ohne Lagegeber |
ITVA20070008A1 (it) * | 2007-01-17 | 2008-07-18 | St Microelectronics Srl | Metodo e relativo dispositivo per stimare valori assunti in un certo istante da una corrente circolante in un avvolgimento di un carico elettrico polifase |
ATE515101T1 (de) * | 2008-04-24 | 2011-07-15 | Abb Oy | Verfahren und anordnung in verbindung mit einem brems-chopper |
IT1392130B1 (it) * | 2008-11-03 | 2012-02-22 | Eden Technology Srl | Dispositivo di sterzatura automatica per carrelli semoventi di sollevamento e trasporto manufatti. |
US8120306B2 (en) * | 2009-01-05 | 2012-02-21 | GM Global Technology Operations LLC | Voltage source inverter with a voltage offset |
US8503207B2 (en) * | 2010-09-29 | 2013-08-06 | Rockwell Automation Technologies, Inc. | Discontinuous pulse width drive modulation method and apparatus for reduction of common-mode voltage in power conversion systems |
FR2975843B1 (fr) * | 2011-05-23 | 2013-05-17 | Renault Sa | Procede de commande des interrupteurs d'un redresseur de courant connecte a un chargeur embarque. |
DE102012210667A1 (de) * | 2012-06-22 | 2013-12-24 | Robert Bosch Gmbh | Verfahren und Vorrichtung zum Ansteuern eines Wechselrichters |
US9774275B2 (en) * | 2012-08-22 | 2017-09-26 | Carrier Corporation | Systems and methods for space vector pulse width modulation switching using boot-strap charging circuits |
US9054586B2 (en) | 2013-03-15 | 2015-06-09 | Rockwell Automation Technologies, Inc. | Methods and apparatus for continuous and discontinuous active rectifier boost operation to increase power converter rating |
US9236828B1 (en) | 2014-07-03 | 2016-01-12 | Rockwell Automation Technologies, Inc. | Methods and power conversion system control apparatus to control IGBT junction temperature at low speed |
US9318976B1 (en) | 2014-10-30 | 2016-04-19 | Rockwell Automation Technologies, Inc. | Adjustable PWM method to increase low speed starting torque and inverter voltage measurement accuracy |
US10985668B2 (en) | 2017-06-21 | 2021-04-20 | Abb Power Grids Switzerland Ag | Model based current control of a three-to-single-phase power converter |
US10784797B1 (en) | 2019-06-19 | 2020-09-22 | Rockwell Automation Technologies, Inc. | Bootstrap charging by PWM control |
JP7390881B2 (ja) * | 2019-12-11 | 2023-12-04 | 富士フイルムヘルスケア株式会社 | 電力変換装置及びx線画像撮影装置、モータードライブ装置 |
US11336206B2 (en) | 2020-09-23 | 2022-05-17 | Rockwell Automation Technoligies, Inc. | Switching frequency and PWM control to extend power converter lifetime |
Family Cites Families (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0669305B2 (ja) * | 1986-03-05 | 1994-08-31 | サンケン電気株式会社 | インバータによるモータ制御装置 |
US5309349A (en) | 1992-09-22 | 1994-05-03 | Industrial Technology Research Institute | Current detection method for DC to three-phase converters using a single DC sensor |
DK172570B1 (da) | 1995-01-23 | 1999-01-25 | Danfoss As | Vekselretter og fremgangsmåde til måling af vekselretterens fasestrømme |
FI106231B (sv) * | 1996-02-13 | 2000-12-15 | Abb Industry Oy | Inverteranordning |
US6643149B2 (en) | 2000-10-13 | 2003-11-04 | Solectria Corporation | Switching system |
US6735537B2 (en) | 2002-03-15 | 2004-05-11 | Motorola, Inc. | Procedure for measuring the current in each phase of a three-phase device via single current sensor |
US20060071627A1 (en) * | 2002-03-28 | 2006-04-06 | Ho Eddy Y Y | Motor current reconstruction via DC bus current measurement |
NL1020601C2 (nl) * | 2002-05-15 | 2003-11-27 | Gti Electroproject B V | Werkwijze en inrichting voor het sturen van een elektrische belasting aangesloten op een meerfasen schakelbare DC/AC-frequentie-omzetter. |
GB0213098D0 (en) | 2002-06-07 | 2002-07-17 | Trw Ltd | Motor control device |
JP3864307B2 (ja) * | 2002-06-12 | 2006-12-27 | 株式会社安川電機 | Pwmインバータ制御装置および制御方法 |
US6984953B2 (en) * | 2003-01-20 | 2006-01-10 | International Rectifier Corporation | Method and apparatus for reconstructing motor current from DC bus current |
US7061134B2 (en) * | 2003-08-01 | 2006-06-13 | General Motors Corporation | Method and system for improved thermal management of a voltage source inverter operating at low output frequency utilizing a zero vector modulation technique |
-
2003
- 2003-12-19 FI FI20031869A patent/FI116337B/sv not_active IP Right Cessation
-
2004
- 2004-12-14 US US11/010,568 patent/US7190599B2/en not_active Expired - Fee Related
- 2004-12-16 EP EP04106635A patent/EP1553692B1/en active Active
- 2004-12-16 DE DE602004022126T patent/DE602004022126D1/de active Active
- 2004-12-16 AT AT04106635T patent/ATE437472T1/de not_active IP Right Cessation
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1936794A2 (en) | 2006-12-21 | 2008-06-25 | Vacon Oyj | Current measuring arrangement of a frequency converter |
US8350506B2 (en) | 2009-04-02 | 2013-01-08 | Vacon Oyj | Frequency converter start-up |
Also Published As
Publication number | Publication date |
---|---|
EP1553692B1 (en) | 2009-07-22 |
DE602004022126D1 (de) | 2009-09-03 |
EP1553692A3 (en) | 2005-08-03 |
US20050152165A1 (en) | 2005-07-14 |
ATE437472T1 (de) | 2009-08-15 |
EP1553692A2 (en) | 2005-07-13 |
FI20031869A0 (sv) | 2003-12-19 |
US7190599B2 (en) | 2007-03-13 |
FI20031869A (sv) | 2005-06-20 |
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