JP2008148490A5 - - Google Patents
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- Publication number
- JP2008148490A5 JP2008148490A5 JP2006334421A JP2006334421A JP2008148490A5 JP 2008148490 A5 JP2008148490 A5 JP 2008148490A5 JP 2006334421 A JP2006334421 A JP 2006334421A JP 2006334421 A JP2006334421 A JP 2006334421A JP 2008148490 A5 JP2008148490 A5 JP 2008148490A5
- Authority
- JP
- Japan
- Prior art keywords
- rotating machine
- winding
- switching
- voltage
- drive system
- 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.)
- Pending
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- 238000004804 winding Methods 0.000 claims 10
- 238000012790 confirmation Methods 0.000 claims 5
- 238000006243 chemical reaction Methods 0.000 claims 3
- 239000004065 semiconductor Substances 0.000 claims 2
Claims (5)
前記巻線の接続状態を変化させる切替えスイッチと、
この切替えスイッチの開閉を制御すると共に、当該制御により前記巻線の接続状態が変化したことを確認するための切替え結果確認手段とを備えることを特徴とする回転機駆動システム。 A rotating machine configured to have a plurality of induced voltage constants by changing a connection state of the stator winding;
A changeover switch for changing the connection state of the winding;
A rotating machine drive system comprising: a switching result confirmation means for controlling opening and closing of the changeover switch and confirming that the connection state of the winding has been changed by the control.
前記駆動時確認手段は、前記切替えスイッチを作動させる前後において、前記位置推定手段により推定される前記巻線の誘起電圧の変化を比較することで切替え結果を確認することを特徴とする請求項２又は３記載の回転機駆動システム。 A position estimating means for detecting a current of the winding and estimating a rotor position of the rotating machine by estimating an induced voltage generated in the winding based on the current;
3. The driving time confirming unit confirms a switching result by comparing a change in induced voltage of the winding estimated by the position estimating unit before and after operating the changeover switch. Or the rotating machine drive system according to 3.
前記駆動時確認手段は、
前記電力変換手段に対する入力電圧と、前記誘起電圧との差が所定値以内であれば、その時点の前記回転機の誘起電圧（切替前電圧）を参照してから、前記電力変換手段を構成する半導体スイッチング素子をＯＦＦさせ、
前記巻線電流がゼロになったことを検知すると、前記切替えスイッチの開閉状態を変化させ、
再び、前記巻線電流がゼロになったことを検知するとその時点の前記回転機の誘起電圧（切替後電圧）を参照し、
前記切替前電圧と、前記切替後電圧とを比較することを特徴とする請求項４記載の回転機駆動システム。 Power conversion means having a semiconductor switching element and outputting a voltage corresponding to the switching state to the stator winding,
The driving time confirmation means includes
When the difference between the input voltage to the power conversion means and the induced voltage is within a predetermined value, the power conversion means is configured after referring to the induced voltage (pre-switching voltage) of the rotating machine at that time. Turn off the semiconductor switching element,
Upon detecting that the winding current has become zero, change the open / close state of the changeover switch,
Again, when detecting that the winding current has become zero, refer to the induced voltage (voltage after switching) of the rotating machine at that time,
The rotating machine drive system according to claim 4, wherein the pre-switching voltage and the post-switching voltage are compared.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2006334421A JP2008148490A (en) | 2006-12-12 | 2006-12-12 | Rotating machine drive system, washing machine, and method for confirming winding switching result of rotating machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2006334421A JP2008148490A (en) | 2006-12-12 | 2006-12-12 | Rotating machine drive system, washing machine, and method for confirming winding switching result of rotating machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JP2008148490A JP2008148490A (en) | 2008-06-26 |
| JP2008148490A5 true JP2008148490A5 (en) | 2010-02-04 |
Family
ID=39608047
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2006334421A Pending JP2008148490A (en) | 2006-12-12 | 2006-12-12 | Rotating machine drive system, washing machine, and method for confirming winding switching result of rotating machine |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2008148490A (en) |
Families Citing this family (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2014112109A1 (en) * | 2013-01-18 | 2014-07-24 | トヨタ自動車株式会社 | Control device for vehicle motor |
| EP3651352B1 (en) | 2017-07-07 | 2022-11-09 | Mitsubishi Electric Corporation | Motor drive system and air conditioner |
| US10951139B2 (en) | 2017-07-28 | 2021-03-16 | Mitsubishi Electric Corporation | Driving device, compressor, air conditioner and method of driving interior permanent magnet motor |
| JP6921221B2 (en) * | 2017-10-30 | 2021-08-18 | 三菱電機株式会社 | Motor drive, refrigeration cycle device, air conditioner, water heater, and refrigerator |
| JP6929434B2 (en) * | 2018-02-26 | 2021-09-01 | 三菱電機株式会社 | Motor drive device and refrigeration cycle applicable equipment |
| JP7033958B2 (en) * | 2018-03-02 | 2022-03-11 | 株式会社日立製作所 | Rotating machine drive system |
| CN112400276B (en) * | 2018-07-18 | 2023-10-27 | 三菱电机株式会社 | Rotating machine control devices, refrigerant compression devices, refrigeration circuit devices and air conditioners |
| EP3917000A4 (en) | 2019-01-23 | 2022-01-05 | Mitsubishi Electric Corporation | ROTARY MACHINE CONTROL DEVICE, REFRIGERANT COMPRESSION UNIT, AND AIR CONDITIONER |
| JP7514136B2 (en) * | 2020-07-30 | 2024-07-10 | キヤノン株式会社 | Conveying device, control device and control method |
| KR102478881B1 (en) * | 2020-12-28 | 2022-12-16 | 엘지전자 주식회사 | Motor driving apparatus and air conditioner including the same |
| JP7433513B2 (en) | 2021-03-17 | 2024-02-19 | 三菱電機株式会社 | motor drive device |
| WO2023175893A1 (en) * | 2022-03-18 | 2023-09-21 | 三菱電機株式会社 | Drive device and air conditioning device |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3214708B2 (en) * | 1991-03-27 | 2001-10-02 | 三菱電機株式会社 | Armature winding circuit abnormality detection method |
| JPH06225588A (en) * | 1993-01-21 | 1994-08-12 | Toyota Motor Corp | Control device for winding switching permanent magnet motor |
| JPH06253594A (en) * | 1993-02-26 | 1994-09-09 | Toyota Motor Corp | Control device for winding motor |
| JPH11291354A (en) * | 1998-04-10 | 1999-10-26 | Kubota Corp | Fusion joint recognition method and apparatus |
| JP2006141123A (en) * | 2004-11-11 | 2006-06-01 | Toshiba Corp | Rotating machine control device, rotating machine control method, and washing machine |
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2006
- 2006-12-12 JP JP2006334421A patent/JP2008148490A/en active Pending
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