JPH0380695U - - Google Patents
Info
- Publication number
- JPH0380695U JPH0380695U JP1989139819U JP13981989U JPH0380695U JP H0380695 U JPH0380695 U JP H0380695U JP 1989139819 U JP1989139819 U JP 1989139819U JP 13981989 U JP13981989 U JP 13981989U JP H0380695 U JPH0380695 U JP H0380695U
- Authority
- JP
- Japan
- Prior art keywords
- induction motor
- current
- drive control
- control device
- excitation
- 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 7
- 230000006698 induction Effects 0.000 claims description 6
- 238000004804 winding Methods 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 7
Landscapes
- Control Of Ac Motors In General (AREA)
- Motor And Converter Starters (AREA)
Description
第１図、第２図はこの考案の一実施例による誘
導電動機の駆動制御装置を示し、第１図はブロツ
ク図、第２図は動作を示し、第２図ａは励磁分電
流指令と時間の関係図、第２図ｂは巻線温度と時
間の関係図、第２図ｃはＲ２と時間の関係図、第
３図、第４図は従来の誘導電動機の駆動制御装置
を示し、第３図ばブロツク図、第４図は動作を示
し、第４図ａは励磁分電流指令と時間の関係図、
第４図ｂは巻線温度と時間の関係図、第４図ｃは
Ｒ２と時間の関係図である。
図において、１…速度指令、２…速度検出器、
３…速度フイードバツク信号、４…速度制御器、
５…トルク分電流指令、６…電流検出器、７…電
流変換器、８…トルク分電流、９…励磁分電流、
１０…励磁分電流指令、１１…電流制御器、１２
…誘導電動機、１５…駆動制御装置、１６…励磁
電流制御器である。なお、図中、同一符号は同一
、又は相当部分を示す。
1 and 2 show a drive control device for an induction motor according to an embodiment of this invention, FIG. 1 is a block diagram, FIG. 2 shows the operation, and FIG. 2a shows the excitation current command and time. 2b is a diagram showing the relationship between winding temperature and time, Figure 2c is a diagram showing the relationship between R2 and time, and Figures 3 and 4 are conventional induction motor drive control devices. Fig. 3 is a block diagram, Fig. 4 shows the operation, and Fig. 4a is a diagram of the relationship between excitation current command and time.
FIG. 4b is a diagram showing the relationship between winding temperature and time, and FIG. 4c is a diagram showing the relationship between R2 and time. In the figure, 1...speed command, 2...speed detector,
3...Speed feedback signal, 4...Speed controller,
5...Torque component current command, 6...Current detector, 7...Current converter, 8...Torque component current, 9...Excitation component current,
10... Excitation component current command, 11... Current controller, 12
...induction motor, 15...drive control device, 16...excitation current controller. In addition, in the figures, the same reference numerals indicate the same or equivalent parts.
Claims (1)
で、誘導電動機の位置、速度、あるいはトルクを
制御することのできる誘導電動機の駆動制御装置
において、電動機巻線の温度検出器及びＲ２演算
器を用いずに、通電開始直後に、定常時よりも励
磁分電流を多く流す機構を設けたことを特徴とす
る誘導電動機の駆動制御装置。 In an induction motor drive control device that can independently control the torque component current and the excitation component current and can control the position, speed, or torque of the induction motor, the temperature detector of the motor winding and the R2 calculator are provided. 1. A drive control device for an induction motor, characterized in that a mechanism is provided for causing a larger excitation current to flow than in a steady state immediately after the start of energization, without using.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1989139819U JPH0380695U (en) | 1989-12-01 | 1989-12-01 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1989139819U JPH0380695U (en) | 1989-12-01 | 1989-12-01 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0380695U true JPH0380695U (en) | 1991-08-19 |
Family
ID=31686843
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1989139819U Pending JPH0380695U (en) | 1989-12-01 | 1989-12-01 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0380695U (en) |
-
1989
- 1989-12-01 JP JP1989139819U patent/JPH0380695U/ja active Pending
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