JPH0447354U - - Google Patents
Info
- Publication number
- JPH0447354U JPH0447354U JP8902290U JP8902290U JPH0447354U JP H0447354 U JPH0447354 U JP H0447354U JP 8902290 U JP8902290 U JP 8902290U JP 8902290 U JP8902290 U JP 8902290U JP H0447354 U JPH0447354 U JP H0447354U
- Authority
- JP
- Japan
- Prior art keywords
- detection circuit
- motor relay
- phase
- circuit
- output
- 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 description 6
- 230000006698 induction Effects 0.000 claims 1
- 230000003068 static effect Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 3
Landscapes
- Control Of Ac Motors In General (AREA)
Description
第１図は本発明の反相検出回路の回路図、第２
図は静止形モータリレーの要部ブロツク図、第３
図は従来例の回路図である。
１……検出回路、２……出力回路、３……フオ
トカプラ。
FIG. 1 is a circuit diagram of the anti-phase detection circuit of the present invention, and FIG.
The figure is a block diagram of the main parts of a stationary motor relay.
The figure is a circuit diagram of a conventional example. 1...detection circuit, 2...output circuit, 3...photocoupler.
Claims (1)
かいなかを検出する検出回路１と、この検出の入
力に応答する出力回路２とを備えるとともに、か
つ、前記検出回路１の出力側と、前記出力回路２
の入力側との間にフオトカプラ３を設けたことを
特徴とする静止形モータリレーの反相検出回路。 It comprises a detection circuit 1 for detecting whether the phase order of the power applied to the three-phase induction motor is reversed or not, and an output circuit 2 that responds to the input of this detection, and the output side of the detection circuit 1 and , the output circuit 2
An anti-phase detection circuit for a static motor relay, characterized in that a photocoupler 3 is provided between the input side of the motor relay and the input side of the motor relay.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8902290U JPH0447354U (en) | 1990-08-23 | 1990-08-23 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8902290U JPH0447354U (en) | 1990-08-23 | 1990-08-23 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0447354U true JPH0447354U (en) | 1992-04-22 |
Family
ID=31822719
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP8902290U Pending JPH0447354U (en) | 1990-08-23 | 1990-08-23 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0447354U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2020099107A (en) * | 2018-12-17 | 2020-06-25 | 日鉄日新製鋼株式会社 | Driving method and driving device of three-phase ac motor |
-
1990
- 1990-08-23 JP JP8902290U patent/JPH0447354U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2020099107A (en) * | 2018-12-17 | 2020-06-25 | 日鉄日新製鋼株式会社 | Driving method and driving device of three-phase ac motor |