WO2014006820A1 - モータ駆動装置 - Google Patents
モータ駆動装置 Download PDFInfo
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- WO2014006820A1 WO2014006820A1 PCT/JP2013/003552 JP2013003552W WO2014006820A1 WO 2014006820 A1 WO2014006820 A1 WO 2014006820A1 JP 2013003552 W JP2013003552 W JP 2013003552W WO 2014006820 A1 WO2014006820 A1 WO 2014006820A1
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- 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
- H02P6/00—Arrangements for controlling synchronous motors or other dynamo-electric motors using electronic commutation dependent on the rotor position; Electronic commutators therefor
- H02P6/28—Arrangements for controlling current
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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
- 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
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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
- 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
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- 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
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- 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
- H02P27/085—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 wherein the PWM mode is adapted on the running conditions of the motor, e.g. the switching frequency
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- 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
- H02P6/00—Arrangements for controlling synchronous motors or other dynamo-electric motors using electronic commutation dependent on the rotor position; Electronic commutators therefor
- H02P6/08—Arrangements for controlling the speed or torque of a single motor
-
- 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
- H02P6/00—Arrangements for controlling synchronous motors or other dynamo-electric motors using electronic commutation dependent on the rotor position; Electronic commutators therefor
- H02P6/10—Arrangements for controlling torque ripple, e.g. providing reduced torque ripple
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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
- H02M1/00—Details of apparatus for conversion
- H02M1/14—Arrangements for reducing ripples from dc input or output
- H02M1/15—Arrangements for reducing ripples from dc input or output using active elements
-
- 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
- H02P2209/00—Indexing scheme relating to controlling arrangements characterised by the waveform of the supplied voltage or current
- H02P2209/13—Different type of waveforms depending on the mode of operation
Definitions
- the present disclosure relates to a motor driving device that drives a motor using an inverter circuit.
- a motor driving device that drives a three-phase motor by PWM-modulating a DC voltage by switching a switching element of an inverter circuit to convert the DC voltage into an AC voltage and outputting the voltage to a three-phase motor coil.
- a modulation method for performing PWM modulation is known in which a two-phase modulation method and a three-phase modulation method are selectively switched in accordance with, for example, the state of a load driven by the motor. (For example, refer to Patent Document 1).
- a motor driving device that switches between a two-phase modulation method and a three-phase modulation method as in the above-described prior art, it is general that the carrier frequency for PWM modulation is the same regardless of the switching of the modulation method.
- a filter circuit having an electrical resonance characteristic is provided between the DC voltage supply source and the inverter circuit, one of the modulation methods is used.
- the current ripple may increase due to resonance of the filter circuit. The generation of a large current ripple causes damage to the capacitor element and coil element of the filter circuit, for example, leading to a decrease in life.
- the present disclosure has been made in view of the above points, and a motor capable of suppressing current ripple generated in a filter circuit even when a PWM modulation method is selectively switched among a plurality of modulation methods.
- An object is to provide a drive device.
- a motor driving device includes an inverter circuit having a switching element provided corresponding to a plurality of motor coils of a motor, and a modulated wave that is an applied voltage command to each phase of the plurality of phases.
- the switching element is switched by a PWM wave generated by PWM modulation based on the comparison result with the reference carrier wave, and the inverter circuit is controlled so as to convert the DC voltage into an AC voltage by the switching and to output it to the multi-phase motor coil.
- a filter circuit provided in a power supply path from a DC voltage supply source to the inverter circuit and having a capacitor element and a coil element.
- the control device selectively switches the PWM modulation method among a plurality of modulation methods, and the filter circuit becomes an electrical resonance circuit in accordance with the switching.
- Each modulation method of PWM modulation has a current peak frequency that maximizes the value of the frequency component of the current flowing through the coil element with switching, and one of the plurality of modulation methods is defined as a resonance-induced modulation method. Is done.
- Resonance-induced modulation method uses a current peak frequency closer to the resonance frequency of the filter circuit than the current peak frequency of any other multiple modulation methods in the same frequency mode where the carrier frequencies of the reference carriers of the plurality of modulation methods are the same. Have.
- the control device uses a modulation method other than the resonance induced modulation method so that the difference between the current peak frequency of the resonance induced modulation method and the resonance frequency is greater than that in the same frequency mode.
- PWM waves are generated using a reference carrier having a carrier frequency different from that of the reference carrier.
- the current peak frequency and the resonance frequency are different from each other so that the current peak frequency is different from that in the same frequency mode.
- a reference carrier having a frequency different from that of the modulation method is employed. Therefore, the resonance of the filter circuit can be suppressed in the modulation system that is most likely to cause resonance in the same frequency mode. In this way, even when the modulation method of PWM modulation is selectively switched among a plurality, the current ripple generated in the filter circuit can be suppressed.
- the motor driving device of this embodiment is for driving a synchronous motor 12 of an electric compressor 10.
- the electric compressor 10 is a compressor disposed in a heat pump cycle of a vehicle air conditioner using, for example, carbon dioxide as a refrigerant, and drives a compression mechanism 11 as a load by a built-in synchronous motor 12.
- the electric compressor 10 is an electric compressor that compresses and discharges a gas-phase refrigerant (for example, compressed to a critical pressure or more in the case of carbon dioxide refrigerant) in the compression mechanism 11.
- the synchronous motor 12 of the present embodiment is, for example, a synchronous motor having a four-pole three-phase coil that rotationally drives a rotor in which magnets are embedded.
- the DC power supply 20 shown in FIG. 1 is an example of a DC voltage supply source composed of a high voltage battery capable of outputting a voltage of 288V, for example.
- a high voltage relay system 50 is disposed on a pair of buses 30 extending from the DC power supply 20 to the inverter circuit 40.
- the high voltage relay system 50 includes a plurality of relays and resistors. When applying a high voltage, the high voltage relay system 50 starts the voltage application in a path having a resistor and then switches to a path having no resistor so that no inrush current flows in the bus 30. It has a function to do.
- the high voltage relay system 50 is configured to cut off the power feeding path when an abnormal state is detected in the electric compressor 10 or the like.
- capacitors 60 and 70 as smoothing means are interposed between a pair of buses 30, which is an example of a power supply path from the DC power supply 20 to the inverter circuit 40.
- Capacitor 60 is provided to smooth the voltage that varies due to the influence of electric device 9 connected in parallel to inverter circuit 40 with respect to bus 30.
- the electric device 9 include a vehicle driving motor drive device, a charging device, and a step-down DC / DC conversion device.
- the electric device 9 is the main drive among the motor driving devices fed from the DC power supply 20.
- This is a drive device followed by a drive device including the inverter circuit 40.
- the main drive device is, for example, a device that has a larger input power fed from the DC power supply 20 than the subordinate drive device.
- the main drive device may be a device that is preferentially supplied with power when it is difficult to supply power to both drive devices.
- the input power to the electric device 9 is larger by one digit or more (10 times or more) than the input power to the electric compressor 10 via the inverter circuit 40, Due to the influence, fluctuations in the voltage applied from the DC power supply 20 to the inverter circuit 40 via the bus 30 are likely to increase.
- the capacitor 60 is provided to suppress this voltage fluctuation.
- the capacitor 70 is provided to absorb surges and ripples that are generated when the switching elements of the inverter circuit 40 are switched.
- a coil 80 is disposed between the connection point of the capacitor 60 and the connection point of the capacitor 70 of one bus 30.
- the coil 80 is provided to suppress interference between the two capacitors 60 and 70 provided in parallel between the bus bars 30.
- the coil 80 is provided for the purpose of changing the resonance frequency generated by the relationship between the capacitor 60 and the capacitor 70.
- the inverter circuit 40 is composed of arms for three phases of U phase, V phase, and W phase corresponding to the stator coil of the synchronous motor 12, and converts the DC voltage input via the bus 30 into AC by PWM modulation. Output.
- the U-phase arm is configured by connecting in series an upper arm in the figure in which the switching element and the reflux diode are connected in antiparallel, and a lower arm in the figure in which the switching element and the diode are antiparallel connected, An output line 45 extending from a connection portion between the upper arm and the lower arm is connected to the motor coil.
- the V-phase arm and the W-phase arm are similarly configured by a switching element and a diode, and an output line 45 extending from a connection portion between the upper arm and the lower arm is connected to the motor coil.
- the switching element for example, an element such as IGBT (Insulated Gate Bipolar Transistor) can be used.
- the arm composed of the switching element and the diode may be a switching element such as RCIGBT (Reverse Conducting Insulated Gate Bipolar Transistor), which is a power semiconductor in which an IGBT and a diode for reverse conduction are integrated on one chip.
- RCIGBT Reverse Conducting Insulated Gate Bipolar Transistor
- the filter circuit 31 including the capacitors 60 and 70 that are two capacitor elements and the coil 80 that is a coil element is an electric resonance circuit that causes a relatively large electric resonance depending on the frequency of the current flowing from the inverter circuit 40. It becomes.
- the filter circuit 31 is an electrical resonance circuit having a resonance frequency at the position illustrated in FIG.
- the control device 100 is a drive circuit unit that controls the switching operation of each switching element of the inverter circuit 40 to control the driving of the synchronous motor 12.
- the control device 100 inputs motor coil current value information detected by the current detector 90 provided on the bus 30 and generates a PWM wave (notch wave) that is a switching signal based on the motor coil current value information. Output to 40.
- the control device 100 first selects a modulation method for performing PWM modulation in the inverter circuit 40 (step 110).
- a modulation method is selected according to the rotational speed of the synchronous motor 12. For example, when the synchronous motor 12 has a low rotation speed less than a predetermined rotation speed, for example, immediately after startup, a three-phase modulation method is employed. For example, when the synchronous motor 12 reaches a steady state and becomes a high rotation of a predetermined number of revolutions or more, a two-phase modulation method is employed in which the on / off state of the one-phase switching element is fixed and modulation is performed in two phases.
- the modulation method is a two-phase modulation method (step 120). If it is determined in step 120 that the two-phase modulation method is selected (in the case of YES), the frequency of the reference carrier wave (carrier wave) when generating the PWM wave (switching wave) is set to f1 (Ste 130). On the other hand, if it is determined in step 120 that the three-phase modulation method is selected (NO), the frequency of the reference carrier wave when generating the PWM wave is set to f0 (step 130).
- the reference carrier wave is, for example, a triangular wave, and f0 is half the frequency of f1.
- Step 150 a switching wave for switching the switching element of each phase arm is generated and set as a switching wave by comparing the modulated wave, which is a voltage command applied to the motor coil of the synchronous motor 12, and the reference carrier wave.
- the reference carrier wave having the frequency set in any of previous steps 130 and 140 is used.
- step 160 the switching wave set in step 150 is output to each phase arm to control the operation of the switching element (step 160).
- the process returns to step 110 for the control of the next 1PWM period.
- the control device 100 performs the switching output for every 1 PWM period by executing the flow shown in FIG. 2 every 50 ⁇ s, for example.
- the control device 100 selects the two-phase modulation method and performs switching of the switching element, for example, as shown in FIG. 3, the current flowing in the coil 80 of the filter circuit 31 Has the largest primary component of the frequency f1.
- the control device 100 selects the three-phase modulation method and performs switching of the switching element, by setting the carrier frequency to f0, for example, as shown in FIG. The flowing current has the largest secondary component of the frequency f1.
- the maximum component of the current spectrum flowing in the coil 80 of the filter circuit 31 is generated at the same frequency f1, as shown in FIG.
- the frequency f 1 is relatively far from the resonance frequency of the filter circuit 31.
- the current ripple flowing in the coil 80 is relatively small.
- the frequency f2 at which the maximum component of the current spectrum flowing in the coil 80 of the filter circuit 31 is generated is relatively lower than the resonance frequency of the filter circuit 31. Get closer. Thereby, as illustrated in FIG. 9, the current ripple flowing in the coil 80 becomes relatively large.
- the resonance frequency of the filter circuit 31 may vary slightly due to variations in the characteristics of the capacitors 60 and 70 and the coil 80, variations in the length of the bus 30 between the capacitors 60 and 70, and the like.
- the frequency f1 that generates the maximum component of the current spectrum is compared with the resonance frequency of the filter circuit 31 regardless of whether the two-phase modulation method or the three-phase modulation method is selected. Therefore, the fluctuation of the resonance frequency does not become a problem.
- the control device 100 selectively switches the PWM modulation method among a plurality of modulation methods.
- a bus line 30 which is an example of a power supply path from the DC power supply 20 to the inverter circuit 40 is provided with a filter circuit 31 having capacitors 60 and 70 and a coil 80.
- the filter circuit 31 is a switching element. As a result of switching, an electrical resonance circuit is formed.
- the case where the carrier frequencies of the reference carriers in a plurality of modulation schemes are the same as in the comparative example described above is referred to as the same frequency mode.
- the current peak frequency at which the value of the frequency component (amplitude) of the current flowing through the coil 80 is the closest to the resonance frequency of the filter circuit 31 is the closest to the resonance frequency of the filter circuit 31.
- This modulation method is defined as a resonance induced modulation method.
- the three-phase modulation method is a resonance induced modulation method in the same frequency mode.
- the control device 100 When the PWM control is performed by selecting the three-phase modulation method, which is a resonance-induced modulation method, the control device 100 according to the present embodiment performs other modulation so that the current peak frequency and the resonance frequency are different from those in the same frequency mode.
- a PWM wave is generated using a reference carrier wave having a carrier frequency different from that when the method is selected.
- the carrier frequency is set so that the current peak frequency and the resonance frequency are different from those in the same frequency mode. And adopting a reference carrier having a frequency different from that of other modulation schemes. Therefore, the resonance of the filter circuit can be suppressed in the modulation system that is most likely to cause resonance in the same frequency mode. In this way, even if the modulation method of PWM modulation is selectively switched among a plurality, the current ripple generated in the filter circuit 31 can be suppressed.
- the plurality of phases of the synchronous motor 12 are three phases, and the plurality of modulation schemes are a two-phase modulation scheme and a three-phase modulation scheme. Then, the control device 100 determines that the current peak frequency of one modulation method, which is a resonance induced modulation method among the two-phase modulation method and the three-phase modulation method, is the current peak frequency of the other modulation method. When one modulation method is selected and PWM modulation is performed so as to be closer to, a PWM wave is generated using a reference carrier wave having a carrier frequency different from that when the other modulation method is selected.
- the resonance of the filter circuit 31 can be suppressed in the modulation method that is likely to cause resonance in the same frequency mode as in the modulation method that is less likely to cause resonance.
- the PWM modulation method is selectively switched between the two-phase modulation method and the three-phase modulation method, the current ripple generated in the filter circuit 31 can be reliably suppressed.
- the resonance induced modulation method in the same frequency mode is a three-phase modulation method
- the control device 100 selects the two-phase modulation method when selecting the three-phase modulation method and performing PWM modulation.
- a PWM wave is generated using a reference carrier wave having a carrier frequency that is half that of PWM modulation.
- the current peak frequency when the two-phase modulation method is selected (primary component frequency f1 shown in FIG. 3) and the current peak frequency when the three-phase modulation method is selected (secondary component frequency f1 shown in FIG. 4) are matched.
- the resonance of the filter circuit 31 can be suppressed in the three-phase modulation method that easily causes resonance in the same frequency mode as in the two-phase modulation method that hardly causes resonance.
- the PWM modulation method is selectively switched between the two-phase modulation method and the three-phase modulation method, the current ripple generated in the filter circuit 31 can be more reliably suppressed.
- the current peak frequency is obtained by using the reference carrier wave whose carrier frequency is half that of the two-phase modulation method and PWM modulation.
- the present invention is not limited to this. If the current peak frequency of the three-phase modulation method is closer to the two-phase modulation method than the resonant frequency than in the same frequency mode, for example, the carrier frequency when selecting the three-phase modulation method is selected as the two-phase modulation method. It is not necessary to reduce it to half of the carrier frequency at the time. In such a case, since the frequency is not greatly lowered when the three-phase modulation method is selected, it may be possible to suppress the problem of generating sound and vibration.
- the three-phase modulation method is a resonance-induced modulation method in the same frequency mode, but is not limited to this.
- both types of current peak frequencies in the same frequency mode may be larger than the resonance frequency
- the two-phase modulation method may be a resonance induced modulation method in the same frequency mode.
- the carrier frequency at the time of selecting the two-phase modulation method may be increased so as to deviate from the resonance frequency than in the same frequency mode.
- control device 100 selectively switches between the two-phase modulation method and the three-phase modulation method.
- the present invention is not limited to this.
- Three or more modulation schemes may be selectively switched. For example, when the modulation method is selectively switched among the three modulation methods, at least when the other modulation method is selected so that the carrier frequency of the resonance-induced modulation method is separated from the resonance frequency than in the same frequency mode. It may be different.
- the three modulation schemes are divided into a first modulation scheme (corresponding to a resonance induced modulation scheme), a second modulation scheme, and a third modulation scheme in order from the one in which the current peak frequency in the same frequency mode is closer to the resonance frequency. Shall be called.
- the modulation method is selectively switched among the first, second, and third modulation methods
- the carrier frequency is changed so as to deviate from the resonance frequency only when the first modulation method is selected with respect to the same frequency mode. It may be a thing.
- the second and third modulation schemes correspond to other modulation schemes.
- the carrier frequency may be changed so as to deviate from the resonance frequency when the first and second modulation schemes are selected with respect to the same frequency mode.
- the third modulation method corresponds to another modulation method.
- the plurality of modulation schemes are not limited to the two-phase modulation scheme and the three-phase modulation scheme, and any modulation scheme is used, and the present disclosure is effective.
- a one-phase modulation method can be adopted as one of the modulation methods.
- the filter circuit 31 is composed of the capacitors 60 and 70 and the coil 80 and the wiring connecting them, but is not limited to this.
- the filter circuit only needs to have a capacitor element and a coil element.
- the filter circuit 31 may not include the coil 80 made of a coil body, and the bus bar 30 between the capacitors 60 and 70 may be a coil element according to its length, handling shape, and the like.
- the filter circuit may be configured by adding an element or the like to the configuration including the capacitors 60 and 70 and the coil 80 of the above-described embodiment for the purpose of shifting the resonance frequency, attenuating the resonance characteristics, or the like. Good.
- the addition of elements and the like complicates the configuration of the filter circuit and tends to increase the size of the circuit.
- the motor drive device is for in-vehicle use and there are large restrictions on the mounting space or the like, the effect of being able to suppress the complexity and increase in size of the filter circuit by applying the present disclosure is Very big.
- the synchronous motor 12 that is driven and controlled by the motor drive device is a three-phase motor, but is not limited thereto.
- a multi-phase motor having four or more phases may be used.
- the motor drive device drives the motor which makes the load the compression mechanism of the compressor arrange
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Abstract
Description
(他の実施形態)
以上、本開示の好ましい実施形態について説明したが、本開示は上述した実施形態に何ら制限されることなく、本開示の主旨を逸脱しない範囲において種々変形して実施することが可能である。
Claims (3)
- モータの複数相のモータコイルに対応して設けられたスイッチング素子を有するインバータ回路(40)と、
前記複数相の各相への印加電圧指令である変調波と基準搬送波との比較結果に基づいてPWM変調により生成したPWM波によって前記スイッチング素子をスイッチングし、当該スイッチングにより直流電圧を交流電圧に変換して前記複数相のモータコイルへ出力するように前記インバータ回路を制御する制御装置(100)と、
前記直流電圧の供給源(20)から前記インバータ回路への電力供給経路(30)に設けられ、コンデンサ要素(60、70)とコイル要素(80)とを有するフィルタ回路(31)と、を備え、
前記制御装置は、前記PWM変調の方式を、複数の変調方式の中で選択的に切り替えるものであり、
前記フィルタ回路が、前記スイッチングに伴って電気的共振回路となり、
前記PWM変調の各変調方式は、前記スイッチングに伴い前記コイル要素を流れる電流の周波数成分の値が最大となる電流ピーク周波数を有しており、
前記複数の変調方式のうちの一つが共振誘因変調方式であり、
前記共振誘因変調方式は、前記複数の変調方式の前記基準搬送波同士の搬送波周波数を同一とした周波数同一モード時に、他のどの変調方式の電流ピーク周波数よりも前記フィルタ回路の共振周波数に近い電流ピーク周波数を有しており、
前記制御装置は、前記共振誘因変調方式を用いて前記PWM変調するときには、前記周波数同一モード時よりも前記共振誘因変調方式の前記電流ピーク周波数と前記共振周波数との差が大きくなるように、前記共振誘因変調方式以外の前記変調方式の前記基準搬送波とは前記搬送波周波数が異なる前記基準搬送波を用いて前記PWM波を生成するモータ駆動装置。 - 前記複数相は3相であり、
前記複数の変調方式は、2相変調方式および3相変調方式であって、
前記2相変調方式と前記3相変調方式とのうち一方が前記共振誘因変調方式であり、
前記制御装置は、前記一方の変調方式を用いて前記PWM変調するときには、前記周波数同一モード時よりも、前記一方の変調方式の前記電流ピーク周波数が、他方の前記変調方式の前記電流ピーク周波数に近づくように、前記他方の変調方式の前記搬送波周波数とは異なる前記搬送波周波数の前記基準搬送波を用いて前記PWM波を生成する請求項1に記載のモータ駆動装置。 - 前記共振誘因変調方式は前記3相変調方式であり、
前記制御装置は、前記3相変調方式を用いて前記PWM変調するときには、前記搬送周波数が前記2相変調方式の前記基準搬送波の半分となる前記基準搬送波を用いて前記PWM波を生成する請求項2に記載のモータ駆動装置。
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Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP5673629B2 (ja) * | 2012-08-29 | 2015-02-18 | 株式会社豊田自動織機 | Lcフィルタの保護装置 |
JP5880420B2 (ja) * | 2012-12-20 | 2016-03-09 | 株式会社豊田自動織機 | インバータ装置 |
JP6314532B2 (ja) * | 2014-02-24 | 2018-04-25 | 株式会社デンソー | 電力変換システム |
JP6287765B2 (ja) * | 2014-11-06 | 2018-03-07 | 株式会社豊田自動織機 | 電動圧縮機 |
US9840968B2 (en) | 2015-09-16 | 2017-12-12 | Hamilton Sundstrand Corporation | Topologies and methods for turbine engine start inverters |
WO2019067611A1 (en) | 2017-09-28 | 2019-04-04 | Carrier Corporation | INTERLACEMENT WITH PULSE MODULATION IN DURATION |
JP7094709B2 (ja) * | 2018-01-30 | 2022-07-04 | 住友重機械工業株式会社 | インバータ装置、ロール・ツー・ロール搬送システム、モータ制御システム |
JP7188265B2 (ja) * | 2019-04-24 | 2022-12-13 | 株式会社デンソー | 回転電機の制御装置 |
WO2021256910A1 (en) * | 2020-06-15 | 2021-12-23 | Samsung Electronics Co., Ltd. | Washing machine and control method thereof |
CN112072909B (zh) * | 2020-09-07 | 2022-03-25 | 电子科技大学 | 一种抑制电动汽车功率模块电磁干扰的驱动信号调制方法 |
US11336206B2 (en) * | 2020-09-23 | 2022-05-17 | Rockwell Automation Technoligies, Inc. | Switching frequency and PWM control to extend power converter lifetime |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2008141856A (ja) * | 2006-12-01 | 2008-06-19 | Matsushita Electric Ind Co Ltd | モータ駆動用インバータ制御装置および空気調和機 |
JP2009189203A (ja) * | 2008-02-08 | 2009-08-20 | Denso Corp | Eps用モータ駆動装置 |
Family Cites Families (19)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS62221897A (ja) * | 1986-03-24 | 1987-09-29 | Mitsubishi Electric Corp | 電動機の制御装置 |
JPS63190594A (ja) | 1987-01-30 | 1988-08-08 | Matsushita Refrig Co | 電動モ−タの運転方法 |
JPH02223301A (ja) | 1989-02-23 | 1990-09-05 | Toshiba Corp | 車両用電力変換装置 |
JPH10311646A (ja) | 1997-05-13 | 1998-11-24 | Matsushita Refrig Co Ltd | 冷蔵庫の制御装置 |
US6633154B1 (en) * | 2000-01-04 | 2003-10-14 | William B. Duff, Jr. | Method and circuit for using polarized device in AC applications |
JP2004231170A (ja) * | 2003-01-10 | 2004-08-19 | Matsushita Electric Ind Co Ltd | 車両用空調装置 |
JP2004289985A (ja) * | 2003-03-25 | 2004-10-14 | Matsushita Electric Ind Co Ltd | モータ駆動用インバータ制御装置および空気調和機 |
JP4645139B2 (ja) * | 2004-10-04 | 2011-03-09 | ダイキン工業株式会社 | 電力変換装置 |
JP5070799B2 (ja) * | 2006-10-25 | 2012-11-14 | パナソニック株式会社 | モータ駆動用インバータ制御装置とそれを備えた機器 |
JP4978429B2 (ja) * | 2007-11-01 | 2012-07-18 | アイシン・エィ・ダブリュ株式会社 | 電動機制御装置,電気自動車およびハイブリッド電気自動車 |
JP5535493B2 (ja) * | 2009-02-19 | 2014-07-02 | 三菱重工業株式会社 | 車載用電動圧縮機 |
JP5338909B2 (ja) * | 2009-07-01 | 2013-11-13 | 株式会社安川電機 | モータドライブ装置 |
JP5333422B2 (ja) * | 2010-12-07 | 2013-11-06 | 株式会社デンソー | 電力変換装置 |
JP5494509B2 (ja) | 2011-01-26 | 2014-05-14 | 株式会社デンソー | 車載用電気システム |
JP5397410B2 (ja) | 2011-05-16 | 2014-01-22 | 株式会社デンソー | 車載用電気システム |
JP5257533B2 (ja) * | 2011-09-26 | 2013-08-07 | ダイキン工業株式会社 | 電力変換装置 |
JP2013219907A (ja) * | 2012-04-06 | 2013-10-24 | Denso Corp | 電力変換装置 |
JP5824580B2 (ja) * | 2012-05-24 | 2015-11-25 | パナソニック株式会社 | 電力制御器の設計方法、及び、電力制御器の製造方法 |
JP2015006061A (ja) * | 2013-06-20 | 2015-01-08 | 株式会社豊田自動織機 | 車載用電動圧縮機 |
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- 2012-07-03 JP JP2012149723A patent/JP5906971B2/ja active Active
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Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2008141856A (ja) * | 2006-12-01 | 2008-06-19 | Matsushita Electric Ind Co Ltd | モータ駆動用インバータ制御装置および空気調和機 |
JP2009189203A (ja) * | 2008-02-08 | 2009-08-20 | Denso Corp | Eps用モータ駆動装置 |
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