JP2018057085A5 - - Google Patents
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- JP2018057085A5 JP2018057085A5 JP2016187541A JP2016187541A JP2018057085A5 JP 2018057085 A5 JP2018057085 A5 JP 2018057085A5 JP 2016187541 A JP2016187541 A JP 2016187541A JP 2016187541 A JP2016187541 A JP 2016187541A JP 2018057085 A5 JP2018057085 A5 JP 2018057085A5
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- motor
- drive region
- load torque
- rotational speed
- fluctuation
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- 230000000737 periodic Effects 0.000 claims 4
- 239000003507 refrigerant Substances 0.000 claims 2
- 238000005057 refrigeration Methods 0.000 claims 2
Description
前記した課題を解決するために、本発明は、負荷に連結されたモータの回転速度及び負荷トルクのうち少なくとも一方に基づいて、前記モータの回転速度の変動許容幅を調整する制御部を備え、前記制御部は、前記回転速度が小さくなるにつれて、前記変動許容幅を小さくするとともに、前記負荷トルクが大きくなるにつれて、前記変動許容幅を小さくすることを特徴とする。 In order to solve the above-described problem, the present invention includes a control unit that adjusts a fluctuation allowable range of the rotation speed of the motor based on at least one of the rotation speed and the load torque of the motor connected to the load , The controller is configured to reduce the allowable fluctuation range as the rotational speed decreases, and to reduce the allowable fluctuation range as the load torque increases .
Claims (5)
前記制御部は、前記回転速度が小さくなるにつれて、前記変動許容幅を小さくするとともに、前記負荷トルクが大きくなるにつれて、前記変動許容幅を小さくすること
を特徴とするモータ駆動装置。 A controller that adjusts a fluctuation allowable range of the rotation speed of the motor based on at least one of the rotation speed and load torque of the motor connected to the load ;
The controller is configured to reduce the allowable fluctuation range as the rotational speed decreases, and to reduce the allowable fluctuation range as the load torque increases .
前記負荷トルクの周期的な変動に関わらず、前記電流波高値を一定にする第２駆動領域と、
前記モータの回転毎における前記電流波高値の変動幅が前記第１駆動領域よりも小さく、かつ、前記第２駆動領域よりも大きい第３駆動領域と、を有し、
前記制御部は、前記回転速度及び前記負荷トルクに基づいて、前記第１駆動領域、前記第２駆動領域、及び前記第３駆動領域のいずれかで前記モータを制御すること
を特徴とする請求項１に記載のモータ駆動装置。 A first drive region in which a current peak value of the motor varies due to a periodic variation of the load torque;
A second drive region that keeps the current peak value constant regardless of periodic fluctuations in the load torque;
A variation range of the current peak value at each rotation of the motor is smaller than the first drive region and larger than the second drive region, and has a third drive region.
The control unit controls the motor in any one of the first drive region, the second drive region, and the third drive region based on the rotation speed and the load torque. The motor drive device according to 1.
前記負荷トルクの周期的な変動によって、前記回転速度が変動する第２駆動領域と、
前記モータの回転毎における前記回転速度の変動幅が前記第１駆動領域よりも大きく、かつ、前記第２駆動領域よりも小さい第３駆動領域と、を有し、
前記制御部は、前記回転速度及び前記負荷トルクに基づいて、前記第１駆動領域、前記第２駆動領域、及び前記第３駆動領域のいずれかで前記モータを制御すること
を特徴とする請求項１に記載のモータ駆動装置。 A first drive region that keeps the rotational speed constant regardless of periodic fluctuations in the load torque;
A second drive region in which the rotational speed fluctuates due to periodic fluctuations in the load torque;
A variation range of the rotation speed for each rotation of the motor is greater than the first drive region and smaller than the second drive region; and a third drive region.
The control unit controls the motor in any one of the first drive region, the second drive region, and the third drive region based on the rotation speed and the load torque. The motor drive device according to 1.
前記圧縮機に連結されたモータを駆動するモータ駆動装置と、を備え、
前記モータ駆動装置は、前記モータの回転速度及び負荷トルクのうち少なくとも一方に基づいて、前記モータの回転速度の変動許容幅を調整し、前記回転速度が小さくなるにつれて、前記変動許容幅を小さくするとともに、前記負荷トルクが大きくなるにつれて、前記変動許容幅を小さくすること
を特徴とする冷凍サイクル装置。 A refrigerant circuit in which a compressor, a condenser, an expansion valve, and an evaporator are sequentially connected in an annular manner, and the refrigerant circulates in a refrigeration cycle;
A motor drive device for driving a motor coupled to the compressor,
The motor drive device adjusts the allowable fluctuation range of the rotational speed of the motor based on at least one of the rotational speed and load torque of the motor, and decreases the allowable fluctuation range as the rotational speed decreases. In addition, the refrigeration cycle apparatus is characterized in that the fluctuation tolerance is reduced as the load torque increases .
を特徴とするモータ駆動方法。 Based on at least one of the rotational speed and load torque of the motor connected to the load, the fluctuation allowable range of the rotational speed of the motor is adjusted, and as the rotational speed decreases, the fluctuation allowable width is reduced. A motor driving method characterized in that the fluctuation tolerance is reduced as the load torque increases .
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2016187541A JP6364463B2 (en) | 2016-09-26 | 2016-09-26 | Motor driving apparatus, refrigeration cycle apparatus including the same, and motor driving method |
| CN201780038464.3A CN109314477B (en) | 2016-09-26 | 2017-09-22 | Motor driving device, refrigeration cycle device, and motor driving method |
| PCT/JP2017/034270 WO2018056394A1 (en) | 2016-09-26 | 2017-09-22 | Motor driving device, refrigeration cycle device having same, and method for driving motor |
| CN201910379876.4A CN110086381B (en) | 2016-09-26 | 2017-09-22 | Motor driving device, refrigeration cycle device provided with same, and motor driving method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2016187541A JP6364463B2 (en) | 2016-09-26 | 2016-09-26 | Motor driving apparatus, refrigeration cycle apparatus including the same, and motor driving method |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| JP2018057085A JP2018057085A (en) | 2018-04-05 |
| JP2018057085A5 true JP2018057085A5 (en) | 2018-07-19 |
| JP6364463B2 JP6364463B2 (en) | 2018-07-25 |
Family
ID=61689997
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2016187541A Active JP6364463B2 (en) | 2016-09-26 | 2016-09-26 | Motor driving apparatus, refrigeration cycle apparatus including the same, and motor driving method |
Country Status (3)
| Country | Link |
|---|---|
| JP (1) | JP6364463B2 (en) |
| CN (2) | CN110086381B (en) |
| WO (1) | WO2018056394A1 (en) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2019187087A (en) * | 2018-04-10 | 2019-10-24 | 三菱重工サーマルシステムズ株式会社 | Control device, power conversion device, air-conditioning system, control method, and program |
| JP2019187085A (en) * | 2018-04-10 | 2019-10-24 | 三菱重工サーマルシステムズ株式会社 | Control device, power conversion device, air-conditioning system, control method, and program |
| JP2019187086A (en) * | 2018-04-10 | 2019-10-24 | 三菱重工サーマルシステムズ株式会社 | Control device, power conversion device, air-conditioning system, control method, and program |
| JP7123819B2 (en) * | 2019-01-28 | 2022-08-23 | 日立グローバルライフソリューションズ株式会社 | Motor control device and compressor and refrigerator using the same |
| JP7195165B2 (en) * | 2019-01-31 | 2022-12-23 | 日立グローバルライフソリューションズ株式会社 | Control device, motor drive device, and refrigeration equipment using the same |
| JP6856164B2 (en) * | 2019-09-30 | 2021-04-07 | ダイキン工業株式会社 | Motor drive method and motor drive device |
| JP2021107695A (en) | 2019-12-27 | 2021-07-29 | ダイキン工業株式会社 | Compressor control method |
Family Cites Families (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2809182B2 (en) * | 1996-03-25 | 1998-10-08 | 株式会社日立製作所 | Compressor motor controller |
| JP2000041400A (en) * | 1998-07-22 | 2000-02-08 | Matsushita Electric Ind Co Ltd | Controller for induction motor for compressor |
| JP2005192268A (en) * | 2003-12-24 | 2005-07-14 | Matsushita Electric Ind Co Ltd | Torque control driving device |
| KR101186160B1 (en) * | 2006-02-06 | 2012-10-02 | 삼성전자주식회사 | Universal motor control apparatus |
| JP4691150B2 (en) * | 2008-10-10 | 2011-06-01 | 株式会社東芝 | Motor control device, motor control method, and air conditioner |
| JP2010239762A (en) * | 2009-03-31 | 2010-10-21 | Panasonic Corp | Motor driver |
| US8269438B2 (en) * | 2009-08-07 | 2012-09-18 | Lg Electronics Inc. | Apparatus for driving motor of air conditioner and method for driving the same |
| JP2010187537A (en) * | 2010-06-01 | 2010-08-26 | Sharp Corp | Motor drive unit |
| JP2013038912A (en) * | 2011-08-08 | 2013-02-21 | Toyota Motor Corp | Electric vehicle |
| JP6096411B2 (en) * | 2011-12-20 | 2017-03-15 | トヨタ自動車株式会社 | Power generation control device for hybrid vehicle |
| JP6456650B2 (en) * | 2014-10-14 | 2019-01-23 | 日立アプライアンス株式会社 | Motor control device, compressor, air conditioner and program |
-
2016
- 2016-09-26 JP JP2016187541A patent/JP6364463B2/en active Active
-
2017
- 2017-09-22 CN CN201910379876.4A patent/CN110086381B/en active Active
- 2017-09-22 WO PCT/JP2017/034270 patent/WO2018056394A1/en active Application Filing
- 2017-09-22 CN CN201780038464.3A patent/CN109314477B/en active Active
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