JPH042939U - - Google Patents
Info
- Publication number
- JPH042939U JPH042939U JP1990044237U JP4423790U JPH042939U JP H042939 U JPH042939 U JP H042939U JP 1990044237 U JP1990044237 U JP 1990044237U JP 4423790 U JP4423790 U JP 4423790U JP H042939 U JPH042939 U JP H042939U
- Authority
- JP
- Japan
- Prior art keywords
- silicon
- controlled rectifier
- phase
- common line
- circuit
- 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
- 229910052710 silicon Inorganic materials 0.000 claims description 7
- 239000010703 silicon Substances 0.000 claims description 7
- 230000006698 induction Effects 0.000 claims description 5
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims 6
- 230000002265 prevention Effects 0.000 claims 1
- 239000004065 semiconductor Substances 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 6
- 101100365087 Arabidopsis thaliana SCRA gene Proteins 0.000 description 1
- 101000668165 Homo sapiens RNA-binding motif, single-stranded-interacting protein 1 Proteins 0.000 description 1
- 102100039692 RNA-binding motif, single-stranded-interacting protein 1 Human genes 0.000 description 1
- 101150105073 SCR1 gene Proteins 0.000 description 1
- 101100134054 Saccharomyces cerevisiae (strain ATCC 204508 / S288c) NTG1 gene Proteins 0.000 description 1
Landscapes
- Control Of Ac Motors In General (AREA)
Description
第１図は本考案の一実施例を示す３相誘導電動
機の制御回路の回路図、第２図は電動機に供給さ
れる３相交流電源の電圧波形を示す図表、第３図
は相間電圧の位相関係を示す図表、第４図ａ，ｂ
，ｃ，ｄは本考案の実施例の作動を説明するため
の波形図、第５図は誤接続の場合の相間電圧の位
相関係を示す図表、第６図は本考案の他の実施例
を示す回路図である。
Ｍ……３相誘導電動機、Ｓ１，Ｓ２，Ｓ３……
リレー接点、Ｔ１，Ｔ２，Ｔ３……相線、Ｋ……
リレーコイル、ＳＣＲ１，ＳＣＲ２……シリコン
制御整流器。
Fig. 1 is a circuit diagram of a control circuit of a three-phase induction motor showing an embodiment of the present invention, Fig. 2 is a chart showing the voltage waveform of the three-phase AC power supply supplied to the motor, and Fig. 3 is a diagram of the voltage waveform between the phases. Diagram showing phase relationship, Figure 4 a, b
, c, d are waveform diagrams for explaining the operation of the embodiment of the present invention, FIG. 5 is a diagram showing the phase relationship of phase-to-phase voltage in the case of incorrect connection, and FIG. 6 is a diagram showing another embodiment of the present invention. FIG. M...Three-phase induction motor, S1 , S2 , S3 ...
Relay contact, T 1 , T 2 , T 3 ... phase wire, K ...
Relay coil, SCR1 , SCR2 ...Silicon controlled rectifier.
Claims (1)
一つの相線と前記共通線との間に電動機の電源回
路に配置される電動機電源制御手段と第１のシリ
コン制御整流器とを直列に接続し、残りの一つの
相線と前記共通線との間に警報手段と第２のシリ
コン制御整流器とを直列に接続し、前記リレーコ
イルと前記第１のシリコン制御整流器との間の接
続点と前記共通線との間に第１の分圧回路を設け
、前記第１の分圧回路の出力を前記第２のシリコ
ン制御整流器のトリガ電極に接続し、前記警報手
段と前記第２のシリコン制御整流器との間の接続
点と前記共通線との間に第２の分圧回路を設け、
前記第２の分圧回路の出力を前記第１のシリコン
制御整流器のトリガ電極に接続したことを特徴と
する逆転防止装置付３相誘導電動機。 (2) 請求項１に記載した３相誘導電動機におい
て、前記電動機電源制御回路がリレー接点と前記
リレー接点を作動させるためのリレーコイルから
なる３相誘導電動機。 (3) 請求項１に記載した３相誘導電動機におい
て、前記電動機電源制御回路が半導体を含む回路
により構成された３相誘導電動機。[Claims for Utility Model Registration] (1) Motor power supply control that uses one of the phase lines of a three-phase AC as a common line and is arranged in a power supply circuit of a motor between another phase line and the common line. means and a first silicon-controlled rectifier are connected in series, an alarm means and a second silicon-controlled rectifier are connected in series between the remaining one phase line and the common line, and the relay coil and the A first voltage divider circuit is provided between the connection point between the first silicon-controlled rectifier and the common line, and the output of the first voltage divider circuit is connected to the trigger electrode of the second silicon-controlled rectifier. and providing a second voltage divider circuit between the connection point between the alarm means and the second silicon-controlled rectifier and the common line;
A three-phase induction motor with a reverse rotation prevention device, characterized in that an output of the second voltage dividing circuit is connected to a trigger electrode of the first silicon-controlled rectifier. (2) The three-phase induction motor according to claim 1, wherein the motor power supply control circuit includes a relay contact and a relay coil for operating the relay contact. (3) The three-phase induction motor according to claim 1, wherein the motor power supply control circuit is constituted by a circuit including a semiconductor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1990044237U JPH042939U (en) | 1990-04-25 | 1990-04-25 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1990044237U JPH042939U (en) | 1990-04-25 | 1990-04-25 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH042939U true JPH042939U (en) | 1992-01-10 |
Family
ID=31557356
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1990044237U Pending JPH042939U (en) | 1990-04-25 | 1990-04-25 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH042939U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09315678A (en) * | 1996-05-27 | 1997-12-09 | Nishi Nippon Densen Kk | Optical fiber unit inserting jig |
-
1990
- 1990-04-25 JP JP1990044237U patent/JPH042939U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09315678A (en) * | 1996-05-27 | 1997-12-09 | Nishi Nippon Densen Kk | Optical fiber unit inserting jig |
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