JP2006246674A5 - - Google Patents

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JP2006246674A5
JP2006246674A5 JP2005062362A JP2005062362A JP2006246674A5 JP 2006246674 A5 JP2006246674 A5 JP 2006246674A5 JP 2005062362 A JP2005062362 A JP 2005062362A JP 2005062362 A JP2005062362 A JP 2005062362A JP 2006246674 A5 JP2006246674 A5 JP 2006246674A5
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connection
motor
electric motor
range
control means
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JP2005062362A
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JP2006246674A (en
JP4619826B2 (en
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Publication of JP2006246674A5 publication Critical patent/JP2006246674A5/ja
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Claims (7)

永久磁石型の電動機をインバータ制御によって駆動するインバータ制御手段と、
前記インバータ制御手段が供給する駆動電圧を受ける前記電動機の巻線の結線方式を、指令に従ってスター結線とデルタ結線とに切り替える結線切替手段と、
前記電動機の運転状態を管理し、前記電動機の運転範囲が規定値以下の場合には前記結線切替手段に前記スター結線を行わせる前記指令を発行し、前記電動機の運転範囲が規定値以上の場合には前記結線切替手段に前記デルタ結線を行わせる前記指令を発行する運転制御手段と、
を備えたことを特徴とする電動機駆動装置。 Inverter control means for driving a permanent magnet type electric motor by inverter control;
A connection switching means for switching the connection method of the winding of the motor that receives the drive voltage supplied by the inverter control means to a star connection and a delta connection according to a command;
When the operating state of the motor is managed, and when the operating range of the motor is less than a specified value, the command for issuing the star connection is issued to the connection switching means, and the operating range of the motor is more than a specified value and operation control means you issue the command to perform the delta connection to the connection switching means to,
An electric motor drive device comprising: 前記運転制御手段は、さらにスター結線運転範囲及びデルタ結線運転範囲のそれぞれにおける所定の運転範囲において前記インバータ制御手段に対して弱め界磁制御による駆動を行わせる指令を発行することを特徴とする請求項１に記載の電動機駆動装置。The operation control means further issues a command for causing the inverter control means to perform driving by field weakening control in a predetermined operation range in each of the star connection operation range and the delta connection operation range. The electric motor drive device described in 1. 前記電動機の巻線は集中巻であることを特徴とする請求項１または２に記載の電動機駆動装置。 Motor driving device according to claim 1 or 2, wherein the windings of the motor is a concentrated winding. インバータ制御によって駆動される永久磁石型の電動機の運転状態を管理し、当該電動機の運転範囲が規定値以下の場合には巻線をスター結線に切り替えて運転する一方、運転範囲が規定値以上の場合にはデルタ結線に切り替えて運転する工程と、
スター結線運転範囲及びデルタ結線運転範囲のそれぞれにおける所定の運転範囲において弱め界磁制御による運転を行う工程と、
を含むことを特徴とする電動機駆動方法。 The operating state of a permanent magnet type motor driven by inverter control is managed, and when the operating range of the motor is less than a specified value, the winding is switched to star connection and operated, while the operating range exceeds the specified value. In some cases, a process of switching to delta connection and operating,
A step of performing operation by field weakening control in a predetermined operation range in each of the star connection operation range and the delta connection operation range;
An electric motor drive method comprising: 前記電動機の巻線は集中巻であることを特徴とする請求項４に記載の電動機駆動方法。 The motor driving method according to claim 4 , wherein the winding of the electric motor is a concentrated winding. 請求項１乃至３のいずれか一項に記載の電動機駆動装置を搭載したことを特徴とする圧縮機。 A compressor comprising the electric motor drive device according to any one of claims 1 to 3 . 前記電動機に設けた６本の引出線は、圧縮機のシェルに設けられたガラス端子を介して外部に導出され、前記結線切替手段は、外部に導出された前記６本の引出線に接続されていることを特徴とする請求項６に記載の圧縮機。 Six lead wires provided in the electric motor are led out to the outside through glass terminals provided in the shell of the compressor, and the connection switching means is connected to the six lead wires led out to the outside. The compressor according to claim 6 , wherein the compressor is provided.
JP2005062362A 2005-03-07 2005-03-07 Electric motor drive device, electric motor drive method, and compressor Expired - Fee Related JP4619826B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2005062362A JP4619826B2 (en) 2005-03-07 2005-03-07 Electric motor drive device, electric motor drive method, and compressor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2005062362A JP4619826B2 (en) 2005-03-07 2005-03-07 Electric motor drive device, electric motor drive method, and compressor

Publications (3)

Publication Number Publication Date
JP2006246674A JP2006246674A (en) 2006-09-14
JP2006246674A5 true JP2006246674A5 (en) 2007-09-06
JP4619826B2 JP4619826B2 (en) 2011-01-26

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JP2005062362A Expired - Fee Related JP4619826B2 (en) 2005-03-07 2005-03-07 Electric motor drive device, electric motor drive method, and compressor

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