EP2297845A2 - Verfahren und vorrichtung zur optimierung einer raumzeigerpulsweitenmodulation - Google Patents
Verfahren und vorrichtung zur optimierung einer raumzeigerpulsweitenmodulationInfo
- Publication number
- EP2297845A2 EP2297845A2 EP09772248A EP09772248A EP2297845A2 EP 2297845 A2 EP2297845 A2 EP 2297845A2 EP 09772248 A EP09772248 A EP 09772248A EP 09772248 A EP09772248 A EP 09772248A EP 2297845 A2 EP2297845 A2 EP 2297845A2
- Authority
- EP
- European Patent Office
- Prior art keywords
- pulse width
- width modulation
- switching
- voltage
- load
- 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.)
- Withdrawn
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
-
- 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
Definitions
- the invention relates to a method for optimizing a space vector pulse width modulation in which a voltage is switched to a load by combining discrete switching states of a plurality of switches for driving the load, wherein the load is de-energized by two of the switching states and an apparatus for performing the method ,
- the "Space Vector Pulse Width Modulation" (SVPWM) is often used, which on the one hand enables a relatively good drive rate and on the other hand is relatively easy to implement
- the signals between the three half bridges are phase shifted by 120 °
- the three half bridges contain six switches with 8 permissible discrete switching states which output periodic signals Six of the switching states are active, ie they carry a voltage Zero vectors denote and do not conduct voltage to the load.
- the maximum drive level of the inverter which is controlled by the SVPMW method, is limited by a non-ideal hardware. So that the course of the switched voltage can follow the drive signal, is in real circuit breakers a minimum time interval t M ⁇ n between two switching operations of the same switch required, causing the maximum Aus confuseungsgrad A Max
- the invention has for its object to provide a method for optimizing the space vector pulse width modulation, in which the maximum Aus confusegrad is increased.
- An essential aspect of the invention is that one of the two voltage-free switching switching states in the form of the zero pointer is eliminated. This has the advantage that a switch is not switched, which eliminates a switch-on and a switch-off. This increases the maximum modulation rate A Ma ⁇ Neu
- the de-energized switching state is extended at the beginning and at the end of each PWM period by the time that the de-energized switching state (zero-phasor) would have needed in the middle of the PWM period.
- the minimum distance between two switching operations of the same switch is determined by the switch-on and the subsequent switch-off or vice versa, which in turn is given by the real hardware used and their switching speeds, since the switching speed can not be set infinitesimally short.
- a device for optimizing a space vector pulse width modulation in which a voltage is switched to a load by discrete switching states of multiple switches are combined to drive the load, the load is de-energized by two of the switching states, with the help of the maximum Aus Kunststoffgrad be increased should, means are present which suppress at least one of the voltage-free switching switching states during a pulse width modulation period.
- the times are calculated in accordance with the space vector pulse width modulation SVPMW and then either always or only when the previously achievable maximum modulation level of the zero pointers in the middle of a PWM period is omitted and its duration is added to the zero pointer at the beginning and at the end of the PWM period.
- the maximum attainable Aus Kunststoffgrad increases.
- the switching losses are reduced by one third.
- the second case it is ensured that this behavior remains unchanged in the previously achievable taxation area.
- Figure 1 3-phase inverter for controlling a
- FIG. 2 Table with switching states of the switches used in the inverter according to FIG. 1
- FIG. 1 shows an induction machine 1, which is connected to a control unit 2, which regulates the torque m or the speed n of the induction machine 1.
- the induction machine 1 is connected to a 3-phase inverter 3 as a power part, which three half-bridges T1, T4; T2, T5 and T3, T6. Each half bridge is with a strand of
- Induction machine 1 connected.
- the strand 1 of the induction machine 1 is connected to the half-bridge T1, T4 of the inverter 3.
- Strand 2 of the induction machine 1 is located on the half-bridge T2, T4, while the strand 3 leads to the half-bridge T3, T6.
- FIG. 3 shows, by way of example, the drive signals for the three power semiconductors T1, T2 and T3 arranged in the bridge branches at the top.
- the drive signals for the three lower power semiconductors T4, T5 and T6 result from the inversion of the signals shown.
- T 0 , T k and T k + i are calculated by the method of the space vector pulse width modulation (SVPWM method) by the control unit 2, wherein T 0 stands for the activation of a zero pointer.
- the PWM period is shown in Figure 3, is set by the power semiconductor T1, a null pointer for the period of 2 * (T 0/4 ).
- the power semiconductor T2 is + i 0/2 are activated for a period of Tk + T during which the power semiconductor T3 k for the time period T + T + T + k is actively switched 0/2 i.
- a zero pointer for the period each of T 0/4 is switched.
- the zero pointer now disappears in the middle of the PWM period. In one embodiment, this is only done when the desired Ausberichtgrad achievable with the previous method
- Tax level exceeds.
- the zero pointer is either either always or only extended if the previous maximum Aus Kunststoffgrades at the beginning and end of each PWM period.
- a control of the power semiconductor T1 is dispensed with.
- the time duration for the drive signal for the power semiconductor T2 is now T k + i, while the time duration for the power semiconductor T 3 in this embodiment is T k + i + T k .
- the control with the null pointer at the beginning and end of the PWM period is respectively T 0/2 and is thus twice as big as in the example of Figure 3.
- the maximum modulation depth A Ma Xnew increased according to Equation 2, since the power switch T1 was not addressed and eliminates an on and off sequence. The previously non-adjustable operating range is thereby halved.
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Inverter Devices (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102008040144A DE102008040144A1 (de) | 2008-07-03 | 2008-07-03 | Verfahren und Vorrichtung zur Optimierung einer Raumzeigerpulsweitenmodulation |
PCT/EP2009/056599 WO2010000548A2 (de) | 2008-07-03 | 2009-05-29 | Verfahren und vorrichtung zur optimierung einer raumzeigerpulsweitenmodulation |
Publications (1)
Publication Number | Publication Date |
---|---|
EP2297845A2 true EP2297845A2 (de) | 2011-03-23 |
Family
ID=41382189
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP09772248A Withdrawn EP2297845A2 (de) | 2008-07-03 | 2009-05-29 | Verfahren und vorrichtung zur optimierung einer raumzeigerpulsweitenmodulation |
Country Status (5)
Country | Link |
---|---|
US (1) | US8441818B2 (de) |
EP (1) | EP2297845A2 (de) |
CN (1) | CN102084588B (de) |
DE (1) | DE102008040144A1 (de) |
WO (1) | WO2010000548A2 (de) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102017206023A1 (de) | 2017-04-07 | 2018-10-11 | Robert Bosch Gmbh | Vorrichtung und Verfahren zur Ansteuerung eines Wechselrichters |
Families Citing this family (29)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102007023460B4 (de) * | 2007-05-19 | 2017-06-22 | Saurer Germany Gmbh & Co. Kg | Streckwerk für eine Spinnmaschine |
DE102011086177A1 (de) * | 2011-11-11 | 2013-05-16 | Robert Bosch Gmbh | Verfahren zum Kalibrieren eines mehrphasigen Wechselrichters, Vorrichtung zum Betreiben, Computerprogramm, Computer-Programmprodukt |
DE102012210641A1 (de) | 2012-06-22 | 2013-12-24 | Robert Bosch Gmbh | Verfahren und Vorrichtung zum Ansteuern eines Wechselrichters |
DE102012210648A1 (de) * | 2012-06-22 | 2013-12-24 | Robert Bosch Gmbh | Verfahren und Vorrichtung zum Ansteuern eines Wechselrichters |
DE102012210663A1 (de) * | 2012-06-22 | 2013-12-24 | Robert Bosch Gmbh | Verfahren und Vorrichtung zum Ansteuern eines Wechselrichters |
DE102012210670A1 (de) | 2012-06-22 | 2013-12-24 | Robert Bosch Gmbh | Verfahren und Vorrichtung zum Ansteuern eines Wechselrichters mittels Raumzeigermodulation |
DE102012210665A1 (de) | 2012-06-22 | 2013-12-24 | Robert Bosch Gmbh | Verfahren und Vorrichtung zum Ansteuern eines Wechselrichters |
DE102012210671A1 (de) | 2012-06-22 | 2013-12-24 | Robert Bosch Gmbh | Verfahren und Vorrichtung zum Ansteuern eines Wechselrichters mittels Raumzeigermodulation |
DE102012210650A1 (de) * | 2012-06-22 | 2013-12-24 | Robert Bosch Gmbh | Verfahren und Vorrichtung zum Ansteuern eines Wechelrichters |
DE102012210652A1 (de) | 2012-06-22 | 2013-12-24 | Robert Bosch Gmbh | Verfahren und Vorrichtung zum Ansteuern eines Wechselrichters |
DE102012210664A1 (de) | 2012-06-22 | 2013-12-24 | Robert Bosch Gmbh | Verfahren und Vorrichtung zum Ansteuern eines Wechselrichters |
DE102012210669A1 (de) | 2012-06-22 | 2013-12-24 | Robert Bosch Gmbh | Verfahren und Vorrichtung zum Ansteuern eines Wechselrichters |
DE102012210667A1 (de) | 2012-06-22 | 2013-12-24 | Robert Bosch Gmbh | Verfahren und Vorrichtung zum Ansteuern eines Wechselrichters |
DE102012210662A1 (de) | 2012-06-22 | 2013-12-24 | Robert Bosch Gmbh | Verfahren und Vorrichtung zum Ansteuern eines Wechselrichters |
DE102012210656A1 (de) | 2012-06-22 | 2013-12-24 | Robert Bosch Gmbh | Verfahren und Vorrichtung zum Ansteuern eines Wechselrichters mittels Raumzeigermodulation |
DE102012210658A1 (de) | 2012-06-22 | 2013-12-24 | Robert Bosch Gmbh | Verfahren und Vorrichtung zum Ansteuern eines Wechselrichters |
DE102012210644A1 (de) | 2012-06-22 | 2013-12-24 | Robert Bosch Gmbh | Verfahren und Vorrichtung zum Ansteuern eines Wechselrichters mittels Raumzeigermodulation |
DE102012210654A1 (de) | 2012-06-22 | 2013-12-24 | Robert Bosch Gmbh | Verfahren und Vorrichtung zum Ansteuern eines Wechselrichters |
DE102012210661A1 (de) | 2012-06-22 | 2013-12-24 | Robert Bosch Gmbh | Verfahren und Vorrichtung zum Ansteuern eines Wechselrichters |
EP2888813B1 (de) | 2012-08-22 | 2020-02-12 | Carrier Corporation | System und verfahren zur umschaltung der raumvektorpulsweitenmodulation anhand von bootstrap-ladeschaltungen |
EP2775605B1 (de) * | 2013-03-05 | 2018-02-07 | Siemens Aktiengesellschaft | Verfahren zum Betrieb eines Wechselrichters und nach dem Verfahren arbeitender Wechselrichter |
DE102013221433A1 (de) * | 2013-10-22 | 2015-04-23 | Continental Teves Ag & Co. Ohg | Verfahren zur Ansteuerung eines bürstenlosen Motors |
CN104868820B (zh) * | 2014-08-26 | 2017-12-01 | 广东美的环境电器制造有限公司 | 电容运行式单相感应电机的调速方法和调速装置 |
CN104506106B (zh) * | 2014-12-30 | 2017-07-28 | 徐州中矿大传动与自动化有限公司 | 一种双馈电机励磁控制及零速启动方法 |
US10199927B2 (en) | 2015-09-18 | 2019-02-05 | Murata Manufacturing Co., Ltd. | PWM scheme based on space vector modulation for three-phase rectifier converters |
CN105939133B (zh) * | 2016-06-30 | 2019-01-04 | 陕西科技大学 | 一种连续变频的软起动器及其控制方法 |
DE102016220892A1 (de) | 2016-10-24 | 2018-04-26 | Robert Bosch Gmbh | Stromrichter und Verfahren zur Ansteuerung eines Stromrichters |
DE102018204221A1 (de) | 2018-03-20 | 2019-09-26 | Robert Bosch Gmbh | Verfahren zur Ansteuerung eines pulsbreitenmodulierten Stromrichters und pulsbreitenmodulierter Stromrichter |
DE102020105163A1 (de) | 2020-02-27 | 2021-09-02 | Audi Aktiengesellschaft | Verfahren zum Betreiben einer Antriebseinrichtung für ein Kraftfahrzeug sowie entsprechende Antriebseinrichtung |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
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EP1748543A1 (de) * | 2005-07-27 | 2007-01-31 | Robert Bosch Gmbh | Verfahren und Vorrichtung zur Regelung einer elektrischen Maschine |
Family Cites Families (16)
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US5910892A (en) * | 1997-10-23 | 1999-06-08 | General Electric Company | High power motor drive converter system and modulation control |
AU2002213229A1 (en) * | 2000-10-13 | 2002-04-22 | Solectria Corporation | Improved distribution of space-vector pwm conduction losses |
US6541933B1 (en) * | 2001-11-20 | 2003-04-01 | Rockwell Automation Technologies, Inc. | Angle control of modulating wave to reduce reflected wave overvoltage transients |
US6653812B1 (en) * | 2002-01-31 | 2003-11-25 | Analog Devices, Inc. | Space vector modulation methods and structures for electric-motor control |
FR2875970B1 (fr) * | 2004-09-27 | 2008-01-18 | Schneider Electric Ind Sas | Dispositif et procede de commande d'un convertisseur d'energie electrique et convertisseur comportant un tel dispositif |
US7075267B1 (en) * | 2004-12-29 | 2006-07-11 | Prolific Technology Inc. | Space vector-based current controlled PWM inverter for motor drives |
US7558089B2 (en) * | 2005-12-13 | 2009-07-07 | Advanced Energy Conversion, Llc | Method and apparatus for space vector modulation in multi-level inverters |
JP4082438B2 (ja) * | 2006-08-30 | 2008-04-30 | ダイキン工業株式会社 | 電流制御形電力変換装置 |
CN100471023C (zh) * | 2007-01-05 | 2009-03-18 | 清华大学 | 一种应用于三电平高压变频器的混合调制方法 |
CN100433536C (zh) * | 2007-01-15 | 2008-11-12 | 南京航空航天大学 | 基于电压空间矢量的调制方法 |
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 |
ITVA20070011A1 (it) * | 2007-01-17 | 2008-07-18 | St Microelectronics Srl | Metodo e dispositivo di stima dei valori di due correnti circolanti in uno stesso istante in rispettive fasi di un carico polifase pilotato in modalita swm |
ITVA20070010A1 (it) * | 2007-01-17 | 2008-07-18 | St Microelectronics Srl | Metodo e relativo dispositivo per determinare i tre duty cycle dei segnali pwm di controllo di un inverter |
US7723946B2 (en) * | 2007-04-18 | 2010-05-25 | Gm Global Technology Operations, Inc. | Method and system for pulse position scheduling in electric drives |
CN101159424A (zh) * | 2007-09-12 | 2008-04-09 | 奇瑞汽车有限公司 | 电机控制中svpwm控制方法及采用该控制方法的控制装置 |
CN101174811B (zh) * | 2007-10-19 | 2011-05-11 | 奇瑞汽车股份有限公司 | 一种采用空间矢量脉冲宽度调制的电机控制方法和装置 |
-
2008
- 2008-07-03 DE DE102008040144A patent/DE102008040144A1/de not_active Ceased
-
2009
- 2009-05-29 CN CN200980125782.9A patent/CN102084588B/zh active Active
- 2009-05-29 US US12/737,352 patent/US8441818B2/en active Active
- 2009-05-29 EP EP09772248A patent/EP2297845A2/de not_active Withdrawn
- 2009-05-29 WO PCT/EP2009/056599 patent/WO2010000548A2/de active Application Filing
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1748543A1 (de) * | 2005-07-27 | 2007-01-31 | Robert Bosch Gmbh | Verfahren und Vorrichtung zur Regelung einer elektrischen Maschine |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102017206023A1 (de) | 2017-04-07 | 2018-10-11 | Robert Bosch Gmbh | Vorrichtung und Verfahren zur Ansteuerung eines Wechselrichters |
WO2018184814A1 (de) | 2017-04-07 | 2018-10-11 | Robert Bosch Gmbh | Vorrichtung und verfahren zur ansteuerung eines wechselrichters |
Also Published As
Publication number | Publication date |
---|---|
WO2010000548A3 (de) | 2011-03-10 |
US8441818B2 (en) | 2013-05-14 |
DE102008040144A1 (de) | 2010-01-07 |
WO2010000548A2 (de) | 2010-01-07 |
CN102084588A (zh) | 2011-06-01 |
US20110149621A1 (en) | 2011-06-23 |
CN102084588B (zh) | 2014-07-30 |
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