JP2014090611A5 - - Google Patents
Download PDFInfo
- Publication number
- JP2014090611A5 JP2014090611A5 JP2012239965A JP2012239965A JP2014090611A5 JP 2014090611 A5 JP2014090611 A5 JP 2014090611A5 JP 2012239965 A JP2012239965 A JP 2012239965A JP 2012239965 A JP2012239965 A JP 2012239965A JP 2014090611 A5 JP2014090611 A5 JP 2014090611A5
- Authority
- JP
- Japan
- Prior art keywords
- current detector
- motor
- abnormality
- current
- voltage command
- 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.)
- Granted
Links
- 238000006243 chemical reaction Methods 0.000 claims 13
- 238000001514 detection method Methods 0.000 claims 12
- 238000004364 calculation method Methods 0.000 claims 4
- 230000002159 abnormal effect Effects 0.000 claims 3
- 238000004590 computer program Methods 0.000 claims 1
Claims (15)
該電動機駆動用電力変換器の電力変換機能を制御するＰＷＭ制御装置と、
前記交流電動機に流れる電流を検出する電流検出器の異常を判定する電圧指令信号を出力する異常判定用電圧指令演算手段と、前記電圧指令信号を前記電動機駆動用電力変換器に印加することによって前記電流検出器から得られる電流のパターンにより前記電流検出器の異常を判定する異常判定手段とを有する電流検出器異常判定装置と、
を備え、
外部指令信号と前記電流検出器の検出信号とに基づき、前記ＰＷＭ制御装置は、前記電動機駆動用電力変換器に制御信号を供給し、
前記電流検出器異常判定装置が前記交流電動機の運転前に電流検出器が異常と判定した際に異常表示を出力することを特徴とする交流電動機制御装置。 A power converter for driving a motor that converts supplied power into power of variable voltage and variable frequency and drives an AC motor at a variable speed; and
A PWM control device for controlling a power conversion function of the electric power drive power converter;
An abnormality determination voltage command calculating means for outputting a voltage command signal for determining an abnormality of a current detector for detecting a current flowing in the AC motor, and applying the voltage command signal to the motor drive power converter A current detector abnormality determining device having abnormality determining means for determining abnormality of the current detector by a current pattern obtained from the current detector;
With
Based on the external command signal and the detection signal of the current detector, the PWM control device supplies a control signal to the electric power converter for driving the motor,
An AC motor control device that outputs an abnormality display when the current detector abnormality determination device determines that the current detector is abnormal before the operation of the AC motor.
該電動機駆動用電力変換器の電力変換機能を制御するＰＷＭ制御装置と、
前記交流電動機に流れる電流を検出する電流検出器の異常を判定する電圧指令信号を出力する異常判定用電圧指令演算手段と、前記電圧指令信号を前記電動機駆動用電力変換器に印加することによって前記電流検出器から得られる電流のパターンにより前記電流検出器の異常を判定する異常判定手段とを有する電流検出器異常判定装置と、
を備え、
外部指令信号と前記電流検出器の検出信号とに基づき、前記ＰＷＭ制御装置は、前記電動機駆動用電力変換器に制御信号を供給し、
前記異常判定用電圧指令演算手段は、前記電圧指令信号の位相を変更して複数回、前記電動機駆動用電力変換器に供給し、前記異常判定手段は、複数回の電圧指令信号のパターンから想定される検出電流パターンと前記電流検出器の検出信号とを比較し、想定される検出電流パターンと一致しない場合は、電流検出器の誤接続と判定して警告を出力することを特徴とする交流電動機制御装置。 A power converter for driving a motor that converts supplied power into power of variable voltage and variable frequency and drives an AC motor at a variable speed; and
A PWM control device for controlling a power conversion function of the electric power drive power converter;
An abnormality determination voltage command calculating means for outputting a voltage command signal for determining an abnormality of a current detector for detecting a current flowing in the AC motor, and applying the voltage command signal to the motor drive power converter A current detector abnormality determining device having abnormality determining means for determining abnormality of the current detector by a current pattern obtained from the current detector;
With
Based on the external command signal and the detection signal of the current detector, the PWM control device supplies a control signal to the electric power converter for driving the motor,
The abnormality determination voltage command calculation means, a plurality of times by changing the phase of the voltage command signal is supplied to the motor drive power converter, wherein the abnormality determining means, from the pattern of the multiple times of the voltage command signal An assumed detection current pattern is compared with a detection signal of the current detector, and if it does not match the assumed detection current pattern, it is determined that the current detector is erroneously connected and a warning is output. AC motor control device.
前記電流検出器異常判定装置は、
１次角周波数指令、ｄ軸電圧指令、ｑ軸電圧指令を演算する異常判定用電圧指令演算器と、
前記電流検出器の各相検出電流を比較、演算して異常を判定する異常判定器と、
を備えて構成されることを特徴とする交流電動機制御装置。 In claim 1 or claim 2,
The current detector abnormality determining device is
A voltage command calculator for abnormality determination that calculates a primary angular frequency command, a d-axis voltage command, and a q-axis voltage command;
An abnormality determiner that compares and calculates each phase detection current of the current detector to determine abnormality, and
An AC motor control device comprising: an AC motor control device.
前記ＰＷＭ制御装置は、
電流検出器から入力された各相検出電流をｄ軸電流とｑ軸電流に変換する３相交流電流座標変換器と、
該３相交流電流座標変換器の出力するｄ軸電流とｑ軸電流の情報を基に前記交流電動機のｄ軸電圧指令とｑ軸電圧指令を演算するベクトル制御器と、
該ベクトル制御器の出力するｄ軸電圧指令とｑ軸電圧指令に基づき３相の交流電圧指令に変換する３相交流電圧座標変換器と、
前記３相の交流電圧指令をＰＷＭ制御信号に変換するパルス生成器と、
を備えて構成されることを特徴とする交流電動機制御装置。 In claim 1 or claim 2,
The PWM control device
A three-phase AC current coordinate converter that converts each phase detection current input from the current detector into a d-axis current and a q-axis current;
A vector controller for calculating a d-axis voltage command and a q-axis voltage command of the AC motor based on information on the d-axis current and the q-axis current output from the three-phase alternating current coordinate converter;
A three-phase AC voltage coordinate converter for converting into a three-phase AC voltage command based on the d-axis voltage command and the q-axis voltage command output from the vector controller;
A pulse generator for converting the three-phase AC voltage command into a PWM control signal;
An AC motor control device comprising: an AC motor control device.
前記交流電動機制御装置は、その一部または全部の機能がコンピュータのプログラムによって実現されることを特徴とする交流電動機制御装置。 In claim 1 or claim 2,
The AC motor control device has a part or all of its functions realized by a computer program.
該電動機駆動用電力変換手段の電力変換機能を制御するＰＷＭ制御手段と、
前記交流電動機に流れる電流を検出する電流検出器の異常を判定する電圧指令信号を出力する異常判定用電圧指令演算機能と、前記電圧指令信号を前記電動機駆動用電力変換手段に印加することによって前記電流検出器から得られる電流のパターンにより前記電流検出器の異常を判定する異常判定機能とを有する電流検出器異常判定手段と、
を備え、
外部指令信号と前記電流検出器の検出信号に基づき、前記ＰＷＭ制御手段は、前記電動機駆動用電力変換手段に制御信号を供給し、
前記電流検出器異常判定手段は、前記交流電動機の運転前に異常と判定した際に異常表示を出力することを特徴とする交流電動機制御装置の電流検出器健全性確認方法。 Electric power conversion means for converting electric power supplied into electric power of variable voltage and variable frequency and driving an AC electric motor at variable speed; and
PWM control means for controlling the power conversion function of the electric power conversion means for driving the motor;
An abnormality determination voltage command calculation function for outputting a voltage command signal for determining an abnormality of a current detector that detects a current flowing through the AC motor, and the voltage command signal is applied to the electric power conversion means for driving the motor. Current detector abnormality determination means having an abnormality determination function for determining abnormality of the current detector according to a current pattern obtained from the current detector;
With
Based on the external command signal and the detection signal of the current detector, the PWM control means supplies a control signal to the electric power conversion means for driving the motor,
The current detector abnormality determining means outputs an abnormality display when it is determined to be abnormal before the AC motor is operated.
前記電流検出器異常判定手段は、前記交流電動機を運転する前に、あらかじめ前記交流電動機の各相に複数の電圧を印加する電圧指令信号を与えることを特徴とする交流電動機制御装置の電流検出器健全性確認方法。 In claim 6,
The current detector abnormality determining means provides a voltage command signal for applying a plurality of voltages to each phase of the AC motor in advance before operating the AC motor. Soundness confirmation method.
前記電流検出器異常判定手段は、電圧指令信号の直流電圧の大きさを変更して複数回、印加した際においても所定のレベル範囲で概ね同一の値を検出したときに、前記電流検出器が破損もしくは接続異常の状態であると判定し、
前記交流電動機制御装置から前記電流検出器の異常の警告を出力することを特徴とする交流電動機制御装置の電流検出器健全性確認方法。 In claim 7,
The current detector abnormality determining means changes the magnitude of the DC voltage of the voltage command signal, and when the current detector detects substantially the same value within a predetermined level range even when applied multiple times, the current detector Judge that it is broken or abnormal connection,
A current detector soundness confirmation method for an AC motor control device, wherein an abnormality warning of the current detector is output from the AC motor control device.
前記電流検出器異常判定手段は、前記電流検出器の異常の警告を出力する際に、電流検出器の未接続、電流検出器の破損エラー、断線エラーと判定することを特徴とする交流電動機制御装置の電流検出器健全性確認方法。 In claim 8,
The current detector abnormality determining means, when outputting a warning of abnormality of the current detector, determines that the current detector is not connected, a current detector breakage error, or a disconnection error. How to check the health of the current detector of the device.
前記電流検出器異常判定手段は、電圧指令信号の直流電圧の大きさを変更して複数回、印加した際に、印加電圧に対して所定レベル以上の変化を検出し、
２つの電流検出器の出力信号の比率が<１>±２倍、<２>±１/２倍、<３>±１倍のパターンのいずれにも所定レベルの範囲内で一致しない場合には、電流検出器の破損と判定し、
前記交流電動機制御装置より電流検出器の異常の警告を出力することを特徴とする交流電動機制御装置の電流検出器健全性確認方法。 In claim 9,
The current detector abnormality determining means detects a change of a predetermined level or more with respect to the applied voltage when applied multiple times by changing the magnitude of the DC voltage of the voltage command signal,
If the ratio of the output signals of the two current detectors does not match any of the <1> ± 2 times, <2> ± 1/2 times, and <3> ± 1 times patterns within the specified level range Determine that the current detector is broken,
A current detector soundness check method for an AC motor control device, wherein a warning of abnormality of the current detector is output from the AC motor control device.
該電動機駆動用電力変換手段の電力変換機能を制御するＰＷＭ制御手段と、
前記交流電動機に流れる電流を検出する電流検出器の異常を判定する電圧指令信号を出力する異常判定用電圧指令演算機能と、前記電圧指令信号を前記電動機駆動用電力変換手段に印加することによって前記電流検出器から得られる電流のパターンにより前記電流検出器の異常を判定する異常判定機能とを有する電流検出器異常判定手段と、
を備え、
外部指令信号と前記電流検出器の検出信号に基づき、前記ＰＷＭ制御手段は、前記電動機駆動用電力変換手段に制御信号を供給し、
前記異常判定用電圧指令演算機能は、前記電圧指令信号の位相を変更して複数回、前記電動機駆動用電力変換手段に供給し、
前記異常判定機能は、複数回の前記電圧指令信号のパターンから想定される検出電流パターンと前記電流検出器から出力される検出信号とを比較し、
想定される検出電流パターンと一致しない場合は、前記電流検出器の誤接続と判定し、
前記交流電動機制御装置より電流検出器の異常の警告を出力することを特徴とする交流電動機制御装置の電流検出器健全性確認方法。 Electric power conversion means for converting electric power supplied into electric power of variable voltage and variable frequency and driving an AC electric motor at variable speed; and
PWM control means for controlling the power conversion function of the electric power conversion means for driving the motor;
An abnormality determination voltage command calculation function for outputting a voltage command signal for determining an abnormality of a current detector that detects a current flowing through the AC motor, and the voltage command signal is applied to the electric power conversion means for driving the motor. Current detector abnormality determination means having an abnormality determination function for determining abnormality of the current detector according to a current pattern obtained from the current detector;
With
Based on the external command signal and the detection signal of the current detector, the PWM control means supplies a control signal to the electric power conversion means for driving the motor,
The abnormality determination voltage command calculation function changes the phase of the voltage command signal and supplies the electric power conversion means for driving the motor a plurality of times,
The abnormality determining function compares the detection signal output from the detection current pattern that is assumed from the pattern of the voltage command signal of the multiple times the current detector,
When it does not match the assumed detection current pattern, it is determined that the current detector is misconnected,
A current detector soundness check method for an AC motor control device, wherein a warning of abnormality of the current detector is output from the AC motor control device.
前記電流検出器異常判定手段は、直流電圧の大きさを変更して複数回、直流電圧を前記電動機駆動用電力変換手段に印加した際に、２つの電流検出器の出力信号の比率と、前記電圧指令信号の印加時に設定した位相より、前記電流検出器の誤接続の場合分けを行うことを特徴とする交流電動機制御装置の電流検出器健全性確認方法。 In claim 11,
Said current detector abnormality determination unit several times by changing the magnitude of the DC voltage, a DC voltage upon application to the electric motor for driving power converting means, the ratio of the output signals of two current detectors, wherein A current detector soundness confirmation method for an AC motor control device, wherein the case of erroneous connection of the current detector is classified based on a phase set when a voltage command signal is applied.
前記電流検出器異常判定手段は、電流検出器の誤接続を場合分けした結果から、電流検出器の誤接続を検出することを特徴とする交流電動機制御装置の電流検出器健全性確認方法。 In claim 12,
The current detector abnormality determining means detects the incorrect connection of the current detector from the result of dividing the incorrect connection of the current detector into cases.
前記電流検出器異常判定手段は、誤接続を検出した場合は、２つの電流検出器の出力信号の比率と前記電圧指令信号の印加時に設定した位相によって電流検出器の誤接続を場合分けした結果から、あらかじめ設定した誤接続のパターンを判定することを特徴とする交流電動機制御装置の電流検出器健全性確認方法。 In claim 12 or claim 13,
When the current detector abnormality determination means detects an incorrect connection, the result of dividing the incorrect connection of the current detector according to the ratio of the output signals of the two current detectors and the phase set when the voltage command signal is applied From the above, a current detector soundness confirmation method for an AC motor control device, wherein a pattern of erroneous connection set in advance is determined.
前記電流検出器異常判定手段は、誤接続のパターンからあらかじめ設定した所定の接続修正パターンを出力することを特徴とする交流電動機制御装置の電流検出器健全性確認方法。
In claim 14,
The current detector abnormality determining means outputs a predetermined connection correction pattern set in advance from a pattern of erroneous connection, and a current detector soundness confirmation method for an AC motor control device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2012239965A JP6087109B2 (en) | 2012-10-31 | 2012-10-31 | AC motor control apparatus and current detector soundness confirmation method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2012239965A JP6087109B2 (en) | 2012-10-31 | 2012-10-31 | AC motor control apparatus and current detector soundness confirmation method |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| JP2014090611A JP2014090611A (en) | 2014-05-15 |
| JP2014090611A5 true JP2014090611A5 (en) | 2015-10-15 |
| JP6087109B2 JP6087109B2 (en) | 2017-03-01 |
Family
ID=50792051
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2012239965A Active JP6087109B2 (en) | 2012-10-31 | 2012-10-31 | AC motor control apparatus and current detector soundness confirmation method |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP6087109B2 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE112021002252T5 (en) * | 2020-05-20 | 2023-02-09 | Fanuc Corporation | engine control unit |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001218499A (en) * | 2000-02-01 | 2001-08-10 | Daihen Corp | Method of judging abnormality of ac servo motor |
| JP3801906B2 (en) * | 2001-11-07 | 2006-07-26 | 株式会社日立製作所 | Electric vehicle control device and control method |
| JP2010183698A (en) * | 2009-02-04 | 2010-08-19 | Hitachi Industrial Equipment Systems Co Ltd | Motor controller and compressor |
-
2012
- 2012-10-31 JP JP2012239965A patent/JP6087109B2/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JP5069306B2 (en) | Control device for rotating electrical machine | |
| US8319466B2 (en) | Modular line-to-ground fault identification | |
| JP5689497B2 (en) | Motor drive device having DC link unit abnormality detection function | |
| JP2016073043A5 (en) | ||
| JP5880420B2 (en) | Inverter device | |
| EP2913918B1 (en) | Open phase detection method and power conversion device | |
| JP2014207809A (en) | Motor control device having power failure determination means | |
| JP2014064430A (en) | Electric power steering device | |
| JP2010246327A (en) | Fault diagnostic device for inverter | |
| US10444288B2 (en) | Abnormality diagnosing device and abnormality diagnosing method | |
| JP2010246328A (en) | Fault diagnostic device for inverter | |
| KR101888843B1 (en) | Apparatus for controlling motor and control method of apparatus for controlling motor | |
| KR101343154B1 (en) | Apparatus and method for controlling speed of motor | |
| GB201306646D0 (en) | Variable voltage drive controller, system and method | |
| JP5959349B2 (en) | Electric vehicle control device and vehicle drive system | |
| EP2958224A1 (en) | Thyristor startup device and method for controlling same | |
| JP2014090611A5 (en) | ||
| KR101093421B1 (en) | Method for diagnosing open phase in three-phase alternating motor | |
| US10236813B2 (en) | Method and device for detecting a control method of an inverter | |
| JP6037913B2 (en) | Power converter | |
| JP6102761B2 (en) | Charging apparatus and charging method | |
| JP6340913B2 (en) | Control apparatus and control method | |
| JP6082316B2 (en) | Induction motor controller | |
| JP2010035339A (en) | Motor controller | |
| JP4804290B2 (en) | Method for determining abnormality of current detection means, control device for three-phase AC motor using the method, and electric vehicle control system using the device |