JPS586593U - Open phase detection device - Google Patents
Open phase detection deviceInfo
- Publication number
- JPS586593U JPS586593U JP1982095144U JP9514482U JPS586593U JP S586593 U JPS586593 U JP S586593U JP 1982095144 U JP1982095144 U JP 1982095144U JP 9514482 U JP9514482 U JP 9514482U JP S586593 U JPS586593 U JP S586593U
- Authority
- JP
- Japan
- Prior art keywords
- detection device
- phase detection
- open phase
- induction motor
- current transformer
- 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.)
- Granted
Links
Landscapes
- Control Of Ac Motors In General (AREA)
- Protection Of Generators And Motors (AREA)
- Elevator Control (AREA)
- Stopping Of Electric Motors (AREA)
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
第１図は不平衡時の欠相検出装置の動作特性図、第２図
は同期速度より低いときの誘導電動機の速度、電流特性
図、第３図はこの考案の一実施例を示す回路図、第４図
はこの考案の他の実施例を示す回路図である。
１．２・・・・・・誘導電動機、３．４・・・・・・逆
並列サイリスタ、５・・・・・・整流ブリッジ、１０・
・・・・・欠相検出回路、１１〜１３・・・・・・交流
側給電線、１６・・・・・・電磁ブレーキ、１８・・・
・・・エレベータ乗カご、１９・・・・・・平衡錘、２
１・・・・・・変流器、２２・・・・・・移相器、６１
．６２・・・・・・制動回路用接触器、７１〜７３・・
・・・・欠相検出変流器、８１〜８２・・・・・・運転
方向切換接触器、９１． ９２・・・・・・運転方向切
換接触器、Ｒ９Ｓ、 Ｔ・・・・・・３相交流電源。Figure 1 is a diagram of the operating characteristics of the open phase detection device in unbalanced conditions, Figure 2 is a diagram of the speed and current characteristics of the induction motor when it is lower than the synchronous speed, and Figure 3 is a circuit diagram showing an embodiment of this invention. , FIG. 4 is a circuit diagram showing another embodiment of this invention. 1.2... Induction motor, 3.4... Anti-parallel thyristor, 5... Rectifier bridge, 10...
...Open phase detection circuit, 11-13... AC side power supply line, 16... Electromagnetic brake, 18...
...Elevator car, 19...Balance weight, 2
1... Current transformer, 22... Phase shifter, 61
．． 62... Braking circuit contactor, 71-73...
...Open phase detection current transformer, 81-82... Operating direction switching contactor, 91. 92... Operating direction switching contactor, R9S, T... Three-phase AC power supply.
Claims (1)
駆動−回路に挿入された変流器を有する欠相検出装置、
上記誘導電動機の整流回路で構成される制動回路、上記
制動回路の交流給電線を有し、交流給電線の少なくとも
１本以上を上記変流器の各相１次側に、上記駆動回路給
電線と並列に接続したことを特徴とする欠相検出装置。an induction motor, an induction motor drive circuit, an open phase detection device having a current transformer inserted in the induction motor drive circuit;
A braking circuit constituted by a rectifier circuit of the induction motor, and an AC feeder line for the braking circuit, and at least one of the AC feeder lines is connected to the primary side of each phase of the current transformer, and the drive circuit feeder line is connected to the primary side of each phase of the current transformer. An open phase detection device characterized by being connected in parallel with.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1982095144U JPS598478Y2 (en) | 1974-09-30 | 1982-06-23 | Open phase detection device |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP49111570A JPS5138617A (en) | 1974-09-30 | 1974-09-30 | Open phase detector |
| JP1982095144U JPS598478Y2 (en) | 1974-09-30 | 1982-06-23 | Open phase detection device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS586593U true JPS586593U (en) | 1983-01-17 |
| JPS598478Y2 JPS598478Y2 (en) | 1984-03-15 |
Family
ID=14564713
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP49111570A Pending JPS5138617A (en) | 1974-09-30 | 1974-09-30 | Open phase detector |
| JP1982095144U Expired JPS598478Y2 (en) | 1974-09-30 | 1982-06-23 | Open phase detection device |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP49111570A Pending JPS5138617A (en) | 1974-09-30 | 1974-09-30 | Open phase detector |
Country Status (1)
| Country | Link |
|---|---|
| JP (2) | JPS5138617A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS61138434U (en) * | 1985-02-12 | 1986-08-28 |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5755732A (en) * | 1980-09-16 | 1982-04-02 | Tokyo Shibaura Electric Co | Device for protecting 3-phase load |
-
1974
- 1974-09-30 JP JP49111570A patent/JPS5138617A/en active Pending
-
1982
- 1982-06-23 JP JP1982095144U patent/JPS598478Y2/en not_active Expired
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS61138434U (en) * | 1985-02-12 | 1986-08-28 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS598478Y2 (en) | 1984-03-15 |
| JPS5138617A (en) | 1976-03-31 |
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