JPS6383996U - - Google Patents
Info
- Publication number
- JPS6383996U JPS6383996U JP17788886U JP17788886U JPS6383996U JP S6383996 U JPS6383996 U JP S6383996U JP 17788886 U JP17788886 U JP 17788886U JP 17788886 U JP17788886 U JP 17788886U JP S6383996 U JPS6383996 U JP S6383996U
- Authority
- JP
- Japan
- Prior art keywords
- regenerative
- circuit
- detection type
- power source
- drive device
- 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 5
- 230000001172 regenerating effect Effects 0.000 claims 4
- 239000003990 capacitor Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000008929 regeneration Effects 0.000 description 1
- 238000011069 regeneration method Methods 0.000 description 1
Landscapes
- Control Of Ac Motors In General (AREA)
- Stopping Of Electric Motors (AREA)
Description
第１図は本考案の一実施例の回路図、第２図は
従来回路の例である。
１……直流電流検出形ノーヒユーズブレーカ、
２，３……交流電流検出形ノーヒユーズブレーカ
、４，３……相整流用ダイオードブリツジ、５…
…コンデンサ、６……電圧検出器、７……トラン
ジスタ、７８……回生抵抗、９……逆変換器、１
０……電動機、１１……温度センサー、１２……
交流電流検出形ノーヒユーズブレーカ、１３……
電磁接触器。
FIG. 1 is a circuit diagram of an embodiment of the present invention, and FIG. 2 is an example of a conventional circuit. 1...DC current detection type no-fuse breaker,
2, 3...AC current detection type no-fuse breaker, 4,3...Diode bridge for phase rectification, 5...
... Capacitor, 6 ... Voltage detector, 7 ... Transistor, 78 ... Regeneration resistor, 9 ... Inverter, 1
0...Electric motor, 11...Temperature sensor, 12...
AC current detection type no-fuse breaker, 13...
Magnetic contactor.
Claims (1)
、この直流電源に並列接続された逆変換器と、回
生電流消費回路とを含む電動機駆動装置において
、前記回生電流消費回路における回生抵抗に直列
に挿入した直流検出形ノーヒユーズブレーカと、
これに機械的に結合された交流電流検出形ノーヒ
ユーズブレーカとを含むことを特徴とする電動機
駆動装置の保護回路。 In a motor drive device including a forward converter that rectifies an alternating current voltage to obtain a direct current power source, an inverse converter connected in parallel to the direct current power source, and a regenerative current consuming circuit, the regenerative current consuming circuit is connected in series with a regenerative resistor in the regenerative current consuming circuit. A DC detection type no-fuse breaker inserted into the
A protection circuit for a motor drive device, comprising: an alternating current detection type no fuse breaker mechanically coupled to the protection circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP17788886U JPS6383996U (en) | 1986-11-18 | 1986-11-18 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP17788886U JPS6383996U (en) | 1986-11-18 | 1986-11-18 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6383996U true JPS6383996U (en) | 1988-06-01 |
Family
ID=31119509
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP17788886U Pending JPS6383996U (en) | 1986-11-18 | 1986-11-18 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6383996U (en) |
-
1986
- 1986-11-18 JP JP17788886U patent/JPS6383996U/ja active Pending