JP2008182783A5 - - Google Patents

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JP2008182783A5
JP2008182783A5 JP2007012370A JP2007012370A JP2008182783A5 JP 2008182783 A5 JP2008182783 A5 JP 2008182783A5 JP 2007012370 A JP2007012370 A JP 2007012370A JP 2007012370 A JP2007012370 A JP 2007012370A JP 2008182783 A5 JP2008182783 A5 JP 2008182783A5
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turned
semiconductor switch
winding
unit
switch
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JP2007012370A
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JP2008182783A (en
JP4752772B2 (en
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インバータで駆動する交流電動機の複数の巻線を切替える巻線切替部と、前記巻線切替部を制御する制御回路部とを備えた巻線切替装置であって、A winding switching device including a winding switching unit that switches a plurality of windings of an AC motor driven by an inverter, and a control circuit unit that controls the winding switching unit,
前記巻線切替部は交流入力側の各相端子を前記交流電動機の各相の巻線切替端子に接続した３相整流部と、前記３相整流部の直流出力の両端に設けた半導体スイッチと、前記３相整流部の交流入力部を短絡するように設けられた機械的スイッチとを備え、  The winding switching unit includes a three-phase rectification unit in which each phase terminal on the AC input side is connected to a winding switching terminal of each phase of the AC motor, and a semiconductor switch provided at both ends of the DC output of the three-phase rectification unit, A mechanical switch provided to short-circuit the AC input unit of the three-phase rectifying unit,
前記制御回路部は前記半導体スイッチを開閉、または、前記機械的スイッチを開閉する交流電動機の巻線切替装置。  The control circuit unit opens and closes the semiconductor switch or opens and closes the mechanical switch. 前記巻線切替部は前記３相整流部の直流出力側に接続したスナバ回路と、前記スナバ回路から前記半導体スイッチへ電流が逆流しない方向に設けたダイオードを含む請求項１記載の交流電動機の巻線切替装置。  2. The winding of the AC motor according to claim 1, wherein the winding switching unit includes a snubber circuit connected to a DC output side of the three-phase rectification unit, and a diode provided in a direction in which current does not flow backward from the snubber circuit to the semiconductor switch. Line switching device. 前記制御回路部（１００）は、低速運転をする低速巻線から高速運転をする高速巻線に切り替える際は、前記半導体スイッチ（ＳＳＷ１）をオンし、ある遅れの後に前記半導体スイッチ（ＳＳＷ１）と同一の連結端子に設けた前記機械的スイッチ（ＭＳＷ１）をオンし、その後前記半導体スイッチ（ＳＳＷ１）をオフし、前記高速巻線から前記低速巻線に切り替える際は、前記機械的スイッチ（ＭＳＷ１）をオフすると同時に前記半導体スイッチ（ＳＳＷ２）をオンし、ある遅れの後に前記機械的スイッチ（ＭＳＷ２）をオンし、その後前記半導体スイッチ（ＳＳＷ２）をオフする信号を生成する請求項１記載の交流電動機の巻線切替装置。 The control circuit unit (100) turns on the semiconductor switch (SSW1) when switching from a low-speed winding for low-speed operation to a high-speed winding for high-speed operation, and after a certain delay, When the mechanical switch (MSW1) provided at the same connection terminal is turned on, and then the semiconductor switch (SSW1) is turned off, and the high-speed winding is switched to the low-speed winding, the mechanical switch (MSW1) 2. The AC motor according to claim 1, wherein a signal for turning on the semiconductor switch (MSW2) after a certain delay and then turning off the semiconductor switch (SSW2) is generated simultaneously with turning off the semiconductor switch (SSW2). Winding switching device. 前記制御回路部（１００）は、低速巻線から高速巻線に切り替える場合、オフしていた前記低速巻線側の前記半導体スイッチ（ＳＳＷ２）をオンさせ、この時点では前記半導体スイッチ（ＳＳＷ２）と前記機械的スイッチ（ＭＳＷ２）が両方ともオンしている状態とし、その後機前記械的スイッチ（ＭＳＷ２）をオフさせ、一旦前記半導体スイッチ（ＳＳＷ２）だけで導通している状態とし、その後前記半導体スイッチ（ＳＳＷ２）をオフさせると同時に前記半導体スイッチ（ＳＳＷ１）をオンさせ、その後前記機械的スイッチ（ＭＳＷ１）をオンし、その後前記半導体スイッチ（ＳＳＷ１）をオフし、
高速巻線から低速巻線に切り替える場合、オフしていた前記高速巻線側の前記半導体スイッチ（ＳＳＷ１）をオンさせ、この時点では前記半導体スイッチ（ＳＳＷ１）と前記機械的スイッチ（ＭＳＷ１）が両方ともオンしている状態とし、その後前記機械的スイッチ（ＭＳＷ１）をオフさせ、一旦前記半導体スイッチ（ＳＳＷ１）だけで導通している状態とし、その後前記半導体スイッチ（ＳＳＷ１）をオフさせると同時に前記半導体スイッチ（ＳＳＷ２）をオンさせ、その後前記機械的スイッチ（ＭＳＷ２）をオンし、その後前記半導体スイッチ（ＳＳＷ２）をオフする請求項１記載の交流電動機の巻線切替装置。 When switching from the low-speed winding to the high-speed winding , the control circuit unit (100) turns on the semiconductor switch (SSW2) on the low-speed winding side that has been turned off. Both the mechanical switches (MSW2) are turned on, then the mechanical switches (MSW2) are turned off, and only the semiconductor switch (SSW2) is turned on, and then the semiconductor switches (SSW2) is turned off and at the same time the semiconductor switch (SSW1) is turned on, then the mechanical switch (MSW1) is turned on, and then the semiconductor switch (SSW1) is turned off,
When switching from a high-speed winding to a low-speed winding, the semiconductor switch (SSW1) on the high-speed winding side that has been turned off is turned on, and at this point both the semiconductor switch (SSW1) and the mechanical switch (MSW1) Both are turned on, then the mechanical switch (MSW1) is turned off, and only the semiconductor switch (SSW1) is turned on. After that, the semiconductor switch (SSW1) is turned off and at the same time the semiconductor switch The winding switching device for an AC motor according to claim 1, wherein the switch (SSW2) is turned on, the mechanical switch (MSW2) is turned on, and then the semiconductor switch (SSW2) is turned off . 交流電動機と、前記交流電動機を駆動するインバータと、前記交流電動機の複数の巻線を切替える巻線切替部と、
前記巻線切替部を制御する制御回路部とを備えた巻線切替システムであって、
前記巻線切替部は交流入力側の各相端子を前記交流電動機の各相の巻線切替端子に接続した３相整流部と、前記３相整流部の直流出力の両端に設けた半導体スイッチと、前記３相整流部の交流入力部を短絡するように設けられた機械的スイッチとを備え、
前記制御回路部は前記半導体スイッチを開閉、または、前記機械的スイッチを開閉する交流電動機の巻線切替システム。 An AC motor, an inverter that drives the AC motor, a winding switching unit that switches a plurality of windings of the AC motor,
A winding switching system comprising a control circuit unit for controlling the winding switching unit,
The winding switching unit includes a three-phase rectification unit in which each phase terminal on the AC input side is connected to a winding switching terminal of each phase of the AC motor, and a semiconductor switch provided at both ends of the DC output of the three-phase rectification unit, A mechanical switch provided to short-circuit the AC input unit of the three-phase rectification unit,
The control circuit unit opens and closes the semiconductor switch or opens and closes the mechanical switch.
JP2007012370A 2007-01-23 2007-01-23 AC motor winding switching device and winding switching system thereof Expired - Fee Related JP4752772B2 (en)

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JP2007012370A JP4752772B2 (en) 2007-01-23 2007-01-23 AC motor winding switching device and winding switching system thereof

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JP2007012370A JP4752772B2 (en) 2007-01-23 2007-01-23 AC motor winding switching device and winding switching system thereof

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JP2008182783A JP2008182783A (en) 2008-08-07
JP2008182783A5 true JP2008182783A5 (en) 2011-03-10
JP4752772B2 JP4752772B2 (en) 2011-08-17

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JP4906836B2 (en) * 2008-04-07 2012-03-28 三菱電機株式会社 Electric motor drive device, refrigeration air conditioner, and electric motor drive method
JP5396920B2 (en) * 2009-03-05 2014-01-22 株式会社安川電機 Winding switching device for three-phase AC motor drive system
JP5585783B2 (en) * 2011-04-14 2014-09-10 株式会社安川電機 AC motor winding switching device and AC motor drive system
JP2013099068A (en) * 2011-10-31 2013-05-20 Juki Corp Controller of stepping motor
JP6009834B2 (en) * 2012-06-22 2016-10-19 株式会社東芝 Driving device and motor winding switching method
PL2920876T3 (en) * 2012-11-14 2021-07-19 Qm Power, Inc. Divided phase ac synchronous motor controller
CN103281034B (en) * 2013-05-03 2015-05-13 哈尔滨工业大学 Multi-phase motor winding switching circuit
JP6630561B2 (en) 2015-12-15 2020-01-15 三菱重工業株式会社 Motor drive control device provided with motor winding changeover switch, motor, compressor, and motor winding changeover control method
JP6614578B2 (en) 2016-03-28 2019-12-04 三菱重工業株式会社 Motor control device and compressor
WO2018070005A1 (en) * 2016-10-13 2018-04-19 三菱電機株式会社 Electric motor drive device, electric motor system, and refrigeration cycle device
KR20180060017A (en) * 2016-11-28 2018-06-07 서울과학기술대학교 산학협력단 Multi- stage transmission system and method for controlling thereof
US11201576B2 (en) * 2018-07-26 2021-12-14 Mitsubishi Electric Corporation Motor driving apparatus and refrigeration cycle equipment
JP7069400B2 (en) * 2019-03-06 2022-05-17 三菱電機株式会社 Motor drive and air conditioner
JP7262262B2 (en) * 2019-03-25 2023-04-21 株式会社日立製作所 Winding switching device for rotating electrical machine, rotating electrical machine drive system, and electric equipment
CN113572390A (en) * 2021-05-07 2021-10-29 联合汽车电子有限公司 Driving method for noise suppression of brushless direct current motor

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JP3759334B2 (en) * 1999-06-02 2006-03-22 富士電機デバイステクノロジー株式会社 DC-AC power conversion circuit
JP3948009B2 (en) * 2001-10-03 2007-07-25 株式会社安川電機 Winding switching device for three-phase AC motor

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