JP2003230202A5 - - Google Patents
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- JP2003230202A5 JP2003230202A5 JP2002024910A JP2002024910A JP2003230202A5 JP 2003230202 A5 JP2003230202 A5 JP 2003230202A5 JP 2002024910 A JP2002024910 A JP 2002024910A JP 2002024910 A JP2002024910 A JP 2002024910A JP 2003230202 A5 JP2003230202 A5 JP 2003230202A5
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- Prior art keywords
- inverter
- motor
- control method
- command
- voltage
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- 239000003990 capacitor Substances 0.000 claims 7
- 230000001172 regenerating Effects 0.000 claims 3
- 238000001514 detection method Methods 0.000 claims 2
Claims (10)
前記架線と前記インバータとの間の、電力または電流を検出する手段と、前記コンデンサ電圧を検出する手段を備え、前記コンデンサ電圧が基準値を超え、かつ前記インバータから架線の方向に所定値以上の電力または電流が送られる場合に、トルク指令またはトルク電流指令の大きさを減ずることにより回生電力を低減することを特徴とするインバータの制御方法。An electric vehicle comprising: an inverter that converts a DC power supplied from an overhead line into an AC voltage having a variable voltage and a variable frequency via a power receiving filter including a reactor and a capacitor; and an AC motor driven by the inverter. In the inverter control method,
Means for detecting power or current between the overhead line and the inverter, and means for detecting the capacitor voltage, wherein the capacitor voltage exceeds a reference value and is greater than or equal to a predetermined value in the direction of the overhead line from the inverter A control method for an inverter, wherein when electric power or current is sent, regenerative power is reduced by reducing the magnitude of the torque command or torque current command.
前記インバータの入力電流を検出する手段を設け、該検出する手段が検出したインバータ入力電流、または該インバータ入力電流から算出した電力に基づいて、トルク指令またはトルク電流指令の大きさを減ずることを特徴とするインバータの制御方法。In the control method of the inverter according to claim 1,
Means for detecting the input current of the inverter is provided, and the magnitude of the torque command or the torque current command is reduced based on the inverter input current detected by the detecting means or the power calculated from the inverter input current. Inverter control method.
前記受電フィルタの入力電流を検出する手段を設け、該検出する手段が検出した受電フィルタ入力電流、または受電フィルタ入力電流から算出した電力に基づいて、トルク指令またはトルク電流指令の大きさを減ずることを特徴とするインバータの制御方法。In the control method of the inverter according to claim 1,
A means for detecting the input current of the power receiving filter is provided, and the magnitude of the torque command or the torque current command is reduced based on the power receiving filter input current detected by the detecting means or the power calculated from the power receiving filter input current. An inverter control method characterized by the above.
前記リアクトル電圧を検出する手段を設け、該検出する手段が検出したリアクトル電圧からフィルタ入力電流を算出し、算出したフィルタ入力電流、またはフィルタ入力電流から算出し電力に基づいて、トルク指令またはトルク電流指令の大きさを減ずることを特徴とするインバータの制御方法。In the control method of the inverter according to claim 1,
A means for detecting the reactor voltage is provided, a filter input current is calculated from the reactor voltage detected by the detecting means, a torque command or a torque current is calculated based on the calculated filter input current or the filter input current and the electric power. An inverter control method characterized by reducing the size of a command.
モータ電圧指令値とモータ電流指令値から算出した電力、またはモータ電圧指令値とモータ電流検出値から算出した電力に基づいてトルク指令またはトルク電流指令の大きさを減ずることを特徴とするインバータの制御方法。In the control method of the inverter according to claim 1,
Control of inverter characterized by reducing the magnitude of torque command or torque current command based on power calculated from motor voltage command value and motor current command value or based on power calculated from motor voltage command value and motor current detection value Method.
前記コンデンサの電圧が基準値を超え、かつモータ回転速度が所定値以上の場合はトルク指令またはトルク電流指令の大きさを減ずることを特徴とするインバータの制御方法。In the control method of the inverter according to claim 1,
A method for controlling an inverter, comprising: reducing a magnitude of a torque command or a torque current command when the voltage of the capacitor exceeds a reference value and the motor rotation speed is equal to or greater than a predetermined value.
前記コンデンサ電圧が基準値を超え、かつモータ回転速度と、モータトルク電流の指令値またはモータトルク電流の検出値との積が所定値以上の場合はトルク指令またはトルク電流指令の大きさを減ずることを特徴とするインバータの制御方法。In the control method of the inverter according to claim 1,
When the capacitor voltage exceeds the reference value and the product of the motor rotation speed and the motor torque current command value or the motor torque current detection value is equal to or greater than a predetermined value, the magnitude of the torque command or torque current command is reduced. An inverter control method characterized by the above.
モータ速度を検出する手段、またはモータ速度を推定する手段を設け、モータ速度またはモータ速度推定値が所定値を上回った場合に、トルク指令またはトルク電流指令の大きさを減ずることを特徴とするインバータの制御方法。In the control method of the inverter according to claim 1,
An inverter having means for detecting a motor speed or means for estimating a motor speed, wherein the magnitude of a torque command or torque current command is reduced when the motor speed or the estimated motor speed value exceeds a predetermined value. Control method.
該インバータの制御器が、前記インバータの入力電流から所定の値を減じた差分が負の場合には、差分に基づく値を出力し、該差分が正の場合にはゼロを出力する比較器を有する回生電力絞り器を備えたことを特徴とするインバータの制御器。An electric vehicle including an inverter that converts DC power supplied from an overhead wire into an AC voltage of variable voltage and variable frequency via a power receiving filter including a reactor and a capacitor, and an AC motor driven by the inverter In the inverter controller,
A comparator that outputs a value based on the difference when the difference obtained by subtracting a predetermined value from the input current of the inverter is negative, and outputs zero when the difference is positive; An inverter controller comprising a regenerative power restrictor having the above.
該インバータの制御器が、前記電動機の速度が基準速度を超えた場合には速度偏差に基づく補償値を出力し、前記電動機の速度が基準速度以下の場合にはゼロを出力する比較器を有する回生電力絞り器を備えたことを特徴とするインバータの制御器。An electric vehicle including an inverter that converts DC power supplied from an overhead wire into an AC voltage of variable voltage and variable frequency via a power receiving filter including a reactor and a capacitor, and an AC motor driven by the inverter In the inverter controller,
The controller of the inverter has a comparator that outputs a compensation value based on a speed deviation when the speed of the motor exceeds a reference speed, and outputs zero when the speed of the motor is equal to or less than the reference speed. An inverter controller comprising a regenerative power restrictor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2002024910A JP3747858B2 (en) | 2002-02-01 | 2002-02-01 | Inverter control method for vehicle and inverter controller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2002024910A JP3747858B2 (en) | 2002-02-01 | 2002-02-01 | Inverter control method for vehicle and inverter controller |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| JP2003230202A JP2003230202A (en) | 2003-08-15 |
| JP2003230202A5 true JP2003230202A5 (en) | 2005-01-06 |
| JP3747858B2 JP3747858B2 (en) | 2006-02-22 |
Family
ID=27747218
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2002024910A Expired - Fee Related JP3747858B2 (en) | 2002-02-01 | 2002-02-01 | Inverter control method for vehicle and inverter controller |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP3747858B2 (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPWO2008001427A1 (en) | 2006-06-27 | 2009-11-19 | 三菱電機株式会社 | Power converter |
| CA2671590C (en) * | 2006-12-05 | 2013-04-23 | Mitsubishi Electric Corporation | Control apparatus for electric railcar |
| JP4561938B1 (en) * | 2009-12-18 | 2010-10-13 | 三菱電機株式会社 | Electric vehicle drive control device |
-
2002
- 2002-02-01 JP JP2002024910A patent/JP3747858B2/en not_active Expired - Fee Related
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