JPS62182094U - - Google Patents
Info
- Publication number
- JPS62182094U JPS62182094U JP1986067839U JP6783986U JPS62182094U JP S62182094 U JPS62182094 U JP S62182094U JP 1986067839 U JP1986067839 U JP 1986067839U JP 6783986 U JP6783986 U JP 6783986U JP S62182094 U JPS62182094 U JP S62182094U
- Authority
- JP
- Japan
- Prior art keywords
- control device
- contactor
- speed control
- motor
- 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
- 238000001514 detection method Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 3
Landscapes
- Control Of Ac Motors In General (AREA)
Description
第１図はこの考案の一実施例を示す正、逆判別
コンパレータ回路図、第２図は一般的な速度制御
装置の主回路を含むブロツク図、第３図は従来の
正、逆判別コンパレータ回路図である。
図において、１は電動機、２は速度制御装置、
２Ｂは比較増幅器、２Ｃは正逆判別コンパレータ
、２Ｅ，２Ｆは抵抗である。なお、各図中同一符
号は同一または相当部分を示す。
Figure 1 is a circuit diagram of a forward/reverse discrimination comparator showing an embodiment of this invention, Figure 2 is a block diagram including the main circuit of a general speed control device, and Figure 3 is a conventional forward/reverse discrimination comparator circuit. It is a diagram. In the figure, 1 is an electric motor, 2 is a speed control device,
2B is a comparison amplifier, 2C is a forward/reverse discrimination comparator, and 2E and 2F are resistors. Note that the same reference numerals in each figure indicate the same or corresponding parts.
Claims (1)
続されたサイリスタと、正転、逆転切換用コンタ
クターを設けた電動機の速度制御装置において、
速度指令値と速度検出値を比較し、この値により
正転用又は逆転用コンタクターを選択するコンパ
レータ回路を設け、このコンパレータの動作にヒ
ステリシスを設けたことを特徴とする電動機の速
度制御装置。 In a motor speed control device that includes a thyristor connected in antiparallel and a contactor for forward/reverse rotation switching between a three-phase AC power source and a load motor,
A speed control device for an electric motor, comprising a comparator circuit that compares a speed command value and a speed detection value and selects a contactor for forward rotation or reverse rotation based on this value, and provides hysteresis in the operation of the comparator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1986067839U JPS62182094U (en) | 1986-05-06 | 1986-05-06 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1986067839U JPS62182094U (en) | 1986-05-06 | 1986-05-06 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS62182094U true JPS62182094U (en) | 1987-11-18 |
Family
ID=30907106
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1986067839U Pending JPS62182094U (en) | 1986-05-06 | 1986-05-06 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS62182094U (en) |
-
1986
- 1986-05-06 JP JP1986067839U patent/JPS62182094U/ja active Pending
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