JP2005022856A5 - - Google Patents

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JP2005022856A5
JP2005022856A5 JP2003270485A JP2003270485A JP2005022856A5 JP 2005022856 A5 JP2005022856 A5 JP 2005022856A5 JP 2003270485 A JP2003270485 A JP 2003270485A JP 2003270485 A JP2003270485 A JP 2003270485A JP 2005022856 A5 JP2005022856 A5 JP 2005022856A5
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Prior art keywords
inverter
motor
load
speed
hoist
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JP2003270485A
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JP2005022856A (en
JP4492055B2 (en
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インバータと、指令制御器とを備え、軽負荷時に電動機の周波数を上げて加速する事により運転時間の短縮を図るインバータ制御クレーン・ホイストの軽負荷増速制御方法において、インバータの出力電力検出値を用いて負荷率を推定し、増速可能速度を演算すると同時に、加速レート調整を行い定出力領域において電動機を定格出力値まで加速する機能と軽負荷増速運転中に負荷が増加した事を出力電力検出値から判断し、負荷の増加に合わせ目標速度を自動的に下げ、定出力領域における出力電力値が定格値以内の状態で安定運転を継続することを特徴とするインバータ制御クレーン・ホイストの軽負荷増速制御方法。 Inverter and, and a command controller, Oite the light load acceleration control method for inverter control crane hoist to shorten the operation time by accelerating to increase the frequency of the motor when the load is light, the inverter output power detection The load factor is estimated using the value, the speed that can be increased is calculated, and at the same time the acceleration rate is adjusted to accelerate the motor to the rated output value in the constant output range, and the load increases during light load acceleration operation. Inverter-controlled crane, characterized in that the target speed is automatically reduced as the load increases and the stable operation is continued with the output power value in the constant output range within the rated value. Hoist light load acceleration control method. インバータと、指令制御器とを備え、軽負荷時に電動機の周波数を上げて加速する事により運転時間の短縮を図るインバータ制御クレーン・ホイストの軽負荷増速制御方法において、インバータの出力電力検出値を用いて負荷率を推定し、増速可能速度を演算すると同時に、加速レート調整を行い定出力領域において電動機を定格出力値まで加速する機能と同じ負荷を上昇・下降させた時の速度を同一にすることを特徴とするインバータ制御クレーン・ホイストの軽負荷増速制御方法。   Inverter control crane / hoist light load acceleration control method, which includes an inverter and command controller, and shortens the operation time by increasing the frequency of the motor and accelerating it at light loads. Use this to estimate the load factor, calculate the speed that can be increased, and at the same time adjust the acceleration rate to the same speed when raising or lowering the same load as the function that accelerates the motor to the rated output value in the constant output range A light load acceleration control method for an inverter-controlled crane / hoist characterized by: インバータと、指令制御器とを備え、軽負荷時に電動機の周波数を上げて加速する事により運転時間の短縮を図るインバータ制御クレーン・ホイストの軽負荷増速制御方法において、インバータの出力電力検出値を用いて負荷率を推定し、増速可能速度を演算すると同時に、加速レート調整を行い定出力領域において電動機を定格出力値まで加速する機能と電動機の出力特性が、定出力特性又は逓減出力特性かを判別し、特性に応じた増速可能速度を演算することを特徴とするインバータ制御クレーン・ホイストの軽負荷増速制御方法。   Inverter control crane / hoist light load acceleration control method, which includes an inverter and command controller, and shortens the operation time by increasing the frequency of the motor and accelerating it at light loads. Use this to estimate the load factor, calculate the speed that can be increased, and at the same time adjust the acceleration rate to accelerate the motor to the rated output value in the constant output range and whether the output characteristics of the motor are constant output characteristics or decreasing output characteristics. A light load acceleration control method for an inverter-controlled crane / hoist characterized by calculating a speed that can be increased according to characteristics. インバータと、指令制御器とを備え、軽負荷時に電動機の周波数を上げて加速する事により運転時間の短縮を図るクレーン・ホイスト用インバータ制御装置において、インバータの出力電力検出値を用いて負荷率を推定し、増速可能速度を演算すると同時に、加速レート調整を行い定出力領域において電動機を定格出力値まで加速する機能と軽負荷増速運転中に負荷が増加した事を出力電力検出値から判断し、負荷の増加に合わせ目標速度を自動的に下げ、定出力領域における出力電力値が定格値以内の状態で安定運転を継続することを特徴とするクレーン・ホイスト用インバータ制御装置。  In a crane / hoist inverter control system that includes an inverter and a command controller and accelerates the motor by increasing the frequency of the motor at light loads, the load factor is calculated using the output power detection value of the inverter. Estimate and calculate the speed that can be increased, and at the same time, adjust the acceleration rate to accelerate the motor to the rated output value in the constant output range, and determine from the output power detection value that the load increased during light load acceleration operation In addition, the crane / hoist inverter control device is characterized in that the target speed is automatically reduced in accordance with an increase in load, and stable operation is continued in a state where the output power value in the constant output region is within the rated value. インバータと、指令制御器とを備え、軽負荷時に電動機の周波数を上げて加速する事により運転時間の短縮を図るクレーン・ホイスト用インバータ制御装置において、インバータの出力電力検出値を用いて負荷率を推定し、増速可能速度を演算すると同時に、加速レート調整を行い定出力領域において電動機を定格出力値まで加速する機能と同じ負荷を上昇・下降させた時の速度を同一にすることを特徴とするクレーン・ホイスト用インバータ制御装置。In a crane / hoist inverter control system that includes an inverter and a command controller and accelerates the motor by increasing the frequency of the motor at light loads, the load factor is calculated using the output power detection value of the inverter. Estimate and calculate the speed that can be increased, and at the same time, adjust the acceleration rate and make the same speed when raising and lowering the same load as the function to accelerate the motor to the rated output value in the constant output range Inverter control device for crane and hoist. インバータと、指令制御器とを備え、軽負荷時に電動機の周波数を上げて加速する事により運転時間の短縮を図るクレーン・ホイスト用インバータ制御装置において、インバータの出力電力検出値を用いて負荷率を推定し、増速可能速度を演算すると同時に、加速レート調整を行い定出力領域において電動機を定格出力値まで加速する機能と電動機の出力特性が、定出力特性又は逓減出力特性かを判別し、特性に応じた増速可能速度を演算することを特徴とするクレーン・ホイスト用インバータ制御装置。In a crane / hoist inverter control system that includes an inverter and a command controller and accelerates the motor by increasing the frequency of the motor at light loads, the load factor is calculated using the output power detection value of the inverter. Estimate and calculate the speed that can be increased at the same time, adjust the acceleration rate and determine whether the motor output characteristics in the constant output range and the output characteristics of the motor are constant output characteristics or decreasing output characteristics An inverter control device for crane / hoist characterized by calculating a speed capable of increasing speed according to the speed.
JP2003270485A 2003-07-02 2003-07-02 Inverter-controlled crane / hoist light load acceleration control method and crane / hoist inverter control device. Expired - Fee Related JP4492055B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2003270485A JP4492055B2 (en) 2003-07-02 2003-07-02 Inverter-controlled crane / hoist light load acceleration control method and crane / hoist inverter control device.

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Application Number Priority Date Filing Date Title
JP2003270485A JP4492055B2 (en) 2003-07-02 2003-07-02 Inverter-controlled crane / hoist light load acceleration control method and crane / hoist inverter control device.

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JP2005022856A JP2005022856A (en) 2005-01-27
JP2005022856A5 true JP2005022856A5 (en) 2006-08-10
JP4492055B2 JP4492055B2 (en) 2010-06-30

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2008281239A (en) * 2007-05-08 2008-11-20 Idec Corp Indoor environment control system
CN115828471B (en) * 2023-02-02 2024-02-09 广州港股份有限公司 Conveying regulation and control method and system of grain bucket elevator

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* Cited by examiner, † Cited by third party
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JP3097709B2 (en) * 1991-12-02 2000-10-10 株式会社東芝 Inverter control device
JPH09201087A (en) * 1996-01-17 1997-07-31 Toshiba Corp Motor drive apparatus
JP3472662B2 (en) * 1996-04-09 2003-12-02 株式会社東芝 Inverter device
JPH11240693A (en) * 1998-02-25 1999-09-07 Hitachi Ltd V/f-control-inverter-driven hoist
JP4174632B2 (en) * 1998-03-04 2008-11-05 株式会社安川電機 Light load speed increaser for inverter controlled crane / hoist
JP2000053385A (en) * 1998-08-11 2000-02-22 Hitachi Ltd Inverter type hoist

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