EP3649730A1 - Procédé de commande d'un ondulateur triphasé - Google Patents
Procédé de commande d'un ondulateur triphaséInfo
- Publication number
- EP3649730A1 EP3649730A1 EP18748956.2A EP18748956A EP3649730A1 EP 3649730 A1 EP3649730 A1 EP 3649730A1 EP 18748956 A EP18748956 A EP 18748956A EP 3649730 A1 EP3649730 A1 EP 3649730A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- vector
- sgn
- vref
- dimensional
- reference voltage
- 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- Withdrawn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
- 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
- H02M7/53871—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 with automatic control of output voltage or current
-
- 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
- H02M7/53871—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 with automatic control of output voltage or current
- H02M7/53873—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 with automatic control of output voltage or current with digital 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
- H02M7/53871—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 with automatic control of output voltage or current
- H02M7/53875—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 with automatic control of output voltage or current with analogue control of three-phase output
- H02M7/53876—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 with automatic control of output voltage or current with analogue control of three-phase output based on synthesising a desired voltage vector via the selection of appropriate fundamental voltage vectors, and corresponding dwelling times
-
- 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 present invention relates to a method for controlling a three-phase inverter, in particular used in the powertrains of electric and hybrid vehicles.
- this invention relates to the management of the reference voltage sent to the inverter modulation strategy for controlling the power switches in the case where the control voltage is greater than the maximum voltage of the storage battery.
- an electric power train (abbreviated
- GMPE consists in particular of a three-phase electric machine, controlled by a three-phase inverter.
- the inverter is a static electrical circuit, composed of a plurality of semiconductor configurations, also called power switches, controlled by a digital computer implementing a control algorithm.
- the purpose of the control method of an inverter is to provide a "close” control to enslave the torque generated by the electric machine powered by the inverter to the required value.
- the voltage inverter using a pulse width modulation strategy (abbreviated PWM), transforms the voltage supplied by the DC source Vdc into an alternating voltage of variable amplitude and frequency.
- PWM pulse width modulation strategy
- the role of a modulation strategy is to provide the load with an output voltage whose waveform is close to a sinusoid.
- Vdc being the DC voltage supplied in
- the over-modulation zone provides a useful extension of the operating range of the inverter without requiring an increase in the amplitude of the DC voltage of the source Vdc.
- a known problem is to improve the control voltages of the inverter to allow optimal operation of the inverter in overmodulation area.
- a step of receiving a three-phase voltage setpoint a step of receiving a three-phase voltage setpoint; a step of transforming said three-phase voltage setpoint into a reference voltage vector, defined by two components in a first two-dimensional reference; a plurality of sectors being defined in said first two-dimensional mark, each sector corresponding to a portion of space of the two-dimensional mark formed between two instantaneous voltages of the inverter angularly adjacent;
- the correction step comprising:
- said step of calculating the components of a corrected reference three-phase voltage comprises a step of determining a transformed vector in a second two-dimensional coordinate system as a function of said at least one trigonometric value.
- said step of calculating the components of a corrected reference three-phase voltage comprises the saturation of the transformed vector.
- said variable calculation step comprises comparing the absolute value of a component of the reference voltage vector in the first two-dimensional coordinate system with another component of the reference voltage vector in the first two-dimensional coordinate system multiplied by V3. In this way the trigonometric values are obtained relatively accurately and by simple logic operations.
- said step of calculating the trigonometric values comprises calculating a value of the cosine and a sine value of said angle. In this way, the correction values can be determined more simply.
- said calculation of said sine value is performed regardless of the determined sector, by a single equation depending on the component of the reference voltage vector in the first two-dimensional reference and of said comparison.
- said calculation of said sine value is performed regardless of the determined sector, by a single equation depending on the component of the reference voltage vector in the first two-dimensional reference and of said comparison.
- the invention also relates to a control device, for example a microcontroller, a microprocessor, a DSP, a computer, for example embedded in a motor vehicle, an inverter comprising:
- control means of the inverter as a function of a corrected reference three-phase voltage supplied by the correction means
- the correction means of said reference voltage vector being adapted to:
- the invention also relates to an electrical assembly comprising a three-phase voltage inverter and a control device as described above.
- the invention also relates to a motor vehicle comprising an electrical assembly as described above.
- FIG. 1 is a representation of the reference voltages and operating voltages of a three-phase inverter in the two-dimensional reference frame obtained by the Clarke transform, known from the prior art;
- FIG. 2 is a schematic view of a three-phase inverter known from the prior art.
- FIG. 3 is a flowchart of the correction steps of the control method according to one embodiment of the invention.
- a three-phase voltage inverter 20 comprises three switching arms A, B, C, each having two series power switches, A +, A-, B +, B- and C +, C-, respectively.
- the two switches A +, A-, B +, B- and C +, C- can not be in the same state, open or closed at the same time. In other words, when one of the switches of one arm is closed, the other switch of the same arm is necessarily open, otherwise a short circuit would occur.
- the value 01 1 can be read as:
- pulse width, PWM also known as the Anglo-Saxon Pulse Width Modulation, PWM.
- the MLI is performed by the technique known to those skilled in the space vector art, also known by the Anglo-Saxon name of Space Vector Modulation.
- This technique models the three-phase system of voltages to be generated for the current sampling duration in the form of a single reference voltage vector Vref.
- the vector reference voltage Vref is obtained in a first reference
- Va the fundamental component of the output voltage of the arm A
- Vb the fundamental component of the output voltage of the arm B
- v c fundamental component of the output voltage of the arm C.
- V0 corresponds to the case where all the upper switches A +, B +, C + are closed
- V7 in the case where all the lower switches A-, B-, C- are closed.
- the instantaneous voltage vectors VO and V7 are called freewheeling vectors.
- the instantaneous voltage vectors V1 to V6 are configurations well known to those skilled in the art, as part of a Space Vector Modulation.
- the inverter 20 has only a limited number of possible configurations, namely the only generation of instantaneous voltage vectors V0 to V7, it is well known to those skilled in the art that as a function of the reference voltage vector Vref desired, is applied for brief moments a succession of instantaneous voltage vectors VO to V7, in order to obtain on average the desired reference voltage vector Vref.
- the convex hull 1 1 of the instantaneous voltage vectors V1 to V6 in the two-dimensional coordinate system (° ⁇ ) forms a hexagon 1 1.
- This convex hull 1 1 corresponds to the set of points from which the reference voltage vector can produce a full wave operation of the inverter 20.
- the hexagon 1 1 is subdivided into six sectors S1 -S6, each limited by two vectors of non-zero instantaneous voltages V1 -V6 and the outer segments of the hexagon 1 1.
- the radius of the inscribed circle 10 is a value of Vdc / 3 3; Vdc being the DC voltage supplied at the input of the inverter 20.
- the inverter 20 when the reference voltage vector Vref exceeds the limits of the inscribed circle 10, the inverter 20 then goes into over-modulation.
- the linearity between the setpoint voltages, at the input of the pulse width modulation strategy (PWM), and the fundamental component of the voltage actually produced by the inverter 20, is no longer ensured.
- the reference voltage Vref is then brought back to a value corresponding to a projection on the hexagon 1 1 so as to reduce the control to a value of allowable voltage.
- variables with three possible values are determined as a function of the signs sgn a , sgn p of the values v a and v p of the vector voltage reference Vref in the first two-dimensional coordinate system P>, and the comparison 43 of the absolute values sgn aP of the same values ⁇ ⁇ , ⁇ ⁇ , as follows:
- a reference voltage transformed in the sector mark S is calculated (this mark being obtained by a rotation of angle ⁇ of the mark ( ⁇ )) from the values ⁇ ⁇ , ⁇ ⁇ , s k and c k as follows :
- v dk , v qk correspond to the projections of Vref in the reference obtained by a rotation of angle ⁇ of the two-dimensional reference point ⁇ ), and are then saturated 46 so as to obtain saturated reference voltage values v dk P and v qk P in the reference of the corresponding sector S:
- V P qk min (l r S 9 U q ⁇ (10)
- Equation (10) allows in particular to increase the amplitude of the output voltage up to 2 Vd C / ft, and therefore allows to apply the full wave control.
- equation (10) is replaced by the following equation (while keeping equation (9)):
- vapp _ v app _ app ⁇ )
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Inverter Devices (AREA)
- Control Of Ac Motors In General (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR1756340A FR3068845B1 (fr) | 2017-07-05 | 2017-07-05 | Procede de commande d'un onduleur triphase |
PCT/FR2018/051289 WO2019008242A1 (fr) | 2017-07-05 | 2018-06-05 | Procédé de commande d'un ondulateur triphasé |
Publications (1)
Publication Number | Publication Date |
---|---|
EP3649730A1 true EP3649730A1 (fr) | 2020-05-13 |
Family
ID=60302188
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP18748956.2A Withdrawn EP3649730A1 (fr) | 2017-07-05 | 2018-06-05 | Procédé de commande d'un ondulateur triphasé |
Country Status (5)
Country | Link |
---|---|
EP (1) | EP3649730A1 (fr) |
KR (1) | KR102595777B1 (fr) |
CN (1) | CN110999067B (fr) |
FR (1) | FR3068845B1 (fr) |
WO (1) | WO2019008242A1 (fr) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN114400911B (zh) * | 2022-01-25 | 2022-08-16 | 燕山大学 | 三相电流源型变换器直流侧电流纹波抑制细分调制方法 |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0608571B1 (fr) * | 1993-01-11 | 1998-03-25 | Kabushiki Kaisha Meidensha | Système de contrÔle vectoriel pour moteur d'induction |
US6984960B2 (en) | 2003-08-05 | 2006-01-10 | General Motors Corporation | Methods and apparatus for current control of a three-phase voltage source inverter in the overmodulation region |
CN101515782A (zh) * | 2009-03-19 | 2009-08-26 | 浙江理工大学 | 用于异步电机的相电压差值型svpwm控制方法 |
US8742712B2 (en) * | 2011-01-26 | 2014-06-03 | GM Global Technology Operations LLC | Methods, systems and apparatus for controlling third harmonic voltage when operating a multi-phase machine in an overmodulation region |
CN102361407B (zh) * | 2011-10-20 | 2013-01-02 | 四川科陆新能电气有限公司 | 一种电压空间矢量脉宽调制方法 |
CN103051230B (zh) * | 2012-12-26 | 2015-02-25 | 上海大学 | 改进的二极管箝位式三电平逆变器过调制方法 |
US9966889B2 (en) * | 2013-05-12 | 2018-05-08 | Infineon Technologies Ag | Optimized control for synchronous motors |
US10696141B2 (en) * | 2015-08-04 | 2020-06-30 | Mitsubishi Electric Corporation | Synchronous motor control device and method of controlling synchronous motor |
CN105897030B (zh) * | 2016-06-08 | 2018-06-08 | 江苏固德威电源科技股份有限公司 | 一种无差拍定频模型预测控制方法、装置及系统 |
-
2017
- 2017-07-05 FR FR1756340A patent/FR3068845B1/fr active Active
-
2018
- 2018-06-05 CN CN201880045471.0A patent/CN110999067B/zh active Active
- 2018-06-05 WO PCT/FR2018/051289 patent/WO2019008242A1/fr unknown
- 2018-06-05 KR KR1020207002425A patent/KR102595777B1/ko active IP Right Grant
- 2018-06-05 EP EP18748956.2A patent/EP3649730A1/fr not_active Withdrawn
Also Published As
Publication number | Publication date |
---|---|
KR20200039664A (ko) | 2020-04-16 |
WO2019008242A1 (fr) | 2019-01-10 |
KR102595777B1 (ko) | 2023-10-30 |
FR3068845A1 (fr) | 2019-01-11 |
CN110999067B (zh) | 2024-03-22 |
FR3068845B1 (fr) | 2021-04-23 |
CN110999067A (zh) | 2020-04-10 |
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