JPS622398U - - Google Patents
Info
- Publication number
- JPS622398U JPS622398U JP1985093202U JP9320285U JPS622398U JP S622398 U JPS622398 U JP S622398U JP 1985093202 U JP1985093202 U JP 1985093202U JP 9320285 U JP9320285 U JP 9320285U JP S622398 U JPS622398 U JP S622398U
- Authority
- JP
- Japan
- Prior art keywords
- current
- motor
- command
- current value
- value
- 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.)
- Pending
Links
- 230000005284 excitation Effects 0.000 claims description 3
- 230000015572 biosynthetic process Effects 0.000 claims description 2
- 238000001514 detection method Methods 0.000 claims description 2
- 238000003786 synthesis reaction Methods 0.000 claims description 2
- 230000002194 synthesizing effect Effects 0.000 claims 2
- 238000010586 diagram Methods 0.000 description 2
Landscapes
- Control Of Ac Motors In General (AREA)
Description
第１図はこの考案の一実施例に係る電動機の電
流制御装置の全体回路ブロツク図、第２図は従来
装置の全体回路ブロツク図である。
１はＵ相電流指令回路、２はＵ相電流フイード
バツク回路、３はＵ相電流付き合せオペアンプ回
路、４は規準三角波回路、５はＵ相ベースアンプ
回路、６はＶ相電流指令回路、７はＶ相電流フイ
ードバツク回路、８はＶ相電流付き合せオペアン
プ回路、９はＶ相ベースアンプ回路、１０はＷ相
電流指令回路、１１はＷ相電流フイードバツク回
路、１２はＷ相電流付き合せオペアンプ回路、１
３はＷ相ベースアンプ回路、１４は電圧指令三相
合成回路、１５は飽和レベル検知回路、１６は励
磁電流コントロール回路。図中同一符号は同一又
は相当部分を示す。
FIG. 1 is an overall circuit block diagram of a current control device for a motor according to an embodiment of this invention, and FIG. 2 is an overall circuit block diagram of a conventional device. 1 is a U-phase current command circuit, 2 is a U-phase current feedback circuit, 3 is a U-phase current matching operational amplifier circuit, 4 is a standard triangular wave circuit, 5 is a U-phase base amplifier circuit, 6 is a V-phase current command circuit, and 7 is a U-phase current command circuit. V-phase current feedback circuit, 8 is a V-phase current matching operational amplifier circuit, 9 is a V-phase base amplifier circuit, 10 is a W-phase current command circuit, 11 is a W-phase current feedback circuit, 12 is a W-phase current matching operational amplifier circuit, 1
3 is a W-phase base amplifier circuit, 14 is a voltage command three-phase synthesis circuit, 15 is a saturation level detection circuit, and 16 is an excitation current control circuit. The same reference numerals in the figures indicate the same or corresponding parts.
Claims (1)
電動機に流れる電流値が帰還され、上記電流指令
の電流値と帰還された電流値とを比較してこの比
較結果の電流値にて電動機を制御する電動機の電
流制御装置において、上記電流指令の電流値と帰
還された電流値との比較した値に基づいて電動機
に出力される電圧指令の各相の値を合成する電圧
指令合成手段と、該電圧指令合成手段の出力が入
力され、電動機の予め定められた定格にて決定さ
れる電圧値に基づいて電動機の飽和レベルを検知
する飽和レベル検知手段と、該飽和レベル検知手
段の検知結果に基づいて上記電動機の端子電圧不
足に対応して励磁電流を制御する励磁電流制御手
段とを備えて構成されることを特徴とする電動機
の電流制御装置。 A current command is input, a current value flowing to the motor is fed back in response to this current command, the current value of the above current command is compared with the fed back current value, and the motor is controlled using the current value of this comparison result. A current control device for a motor, comprising: a voltage command synthesizing means for synthesizing the values of each phase of a voltage command output to the motor based on a value compared between the current value of the current command and the fed-back current value; a saturation level detection means that receives the output of the voltage command synthesis means and detects the saturation level of the motor based on a voltage value determined by a predetermined rating of the motor; and excitation current control means for controlling an excitation current in response to insufficient terminal voltage of the motor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1985093202U JPS622398U (en) | 1985-06-20 | 1985-06-20 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1985093202U JPS622398U (en) | 1985-06-20 | 1985-06-20 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS622398U true JPS622398U (en) | 1987-01-08 |
Family
ID=30650668
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1985093202U Pending JPS622398U (en) | 1985-06-20 | 1985-06-20 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS622398U (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5917631A (en) * | 1982-07-22 | 1984-01-28 | Sony Tektronix Corp | Input device |
| JPS5915295B2 (en) * | 1976-03-05 | 1984-04-09 | 奥田 芳雄 | Multi-stage hydraulic cylinder for injection in injection molding machines |
-
1985
- 1985-06-20 JP JP1985093202U patent/JPS622398U/ja active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5915295B2 (en) * | 1976-03-05 | 1984-04-09 | 奥田 芳雄 | Multi-stage hydraulic cylinder for injection in injection molding machines |
| JPS5917631A (en) * | 1982-07-22 | 1984-01-28 | Sony Tektronix Corp | Input device |
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