JPS6377485U - - Google Patents
Info
- Publication number
- JPS6377485U JPS6377485U JP17301086U JP17301086U JPS6377485U JP S6377485 U JPS6377485 U JP S6377485U JP 17301086 U JP17301086 U JP 17301086U JP 17301086 U JP17301086 U JP 17301086U JP S6377485 U JPS6377485 U JP S6377485U
- Authority
- JP
- Japan
- Prior art keywords
- rectifier
- resistor
- power source
- inrush current
- current suppression
- 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
- 239000003990 capacitor Substances 0.000 claims description 3
- 238000009499 grossing Methods 0.000 claims description 3
- 230000001629 suppression Effects 0.000 claims 2
- 238000010586 diagram Methods 0.000 description 2
- 230000006698 induction Effects 0.000 description 1
Landscapes
- Rectifiers (AREA)
- Ac-Ac Conversion (AREA)
Description
第１図は本考案の実施例を示す回路図、第２図
は第１図に示す実施例回路での動作をあらわした
動作波形図である。
２……交流電源、３……整流器、４……平滑コ
ンデンサ、５……インバータ、６……誘導電動機
、１１……限流抵抗器、１２……スイツチング素
子としての短絡接点、１３……電圧検出器、１４
……タイマ、１５……運転指令、１６……論理積
素子。
FIG. 1 is a circuit diagram showing an embodiment of the present invention, and FIG. 2 is an operation waveform diagram showing the operation of the embodiment circuit shown in FIG. 2... AC power supply, 3... Rectifier, 4... Smoothing capacitor, 5... Inverter, 6... Induction motor, 11... Current limiting resistor, 12... Short circuit contact as a switching element, 13... Voltage detector, 14
...Timer, 15...Operation command, 16...Logic product element.
Claims (1)
、この整流器から出力される直流を平滑コンデン
サを介して与えられて交流に変換するインバータ
とを備えたインバータ装置において、前記整流器
の直流出力側と平滑コンデンサとの間に抵抗器を
挿入し、そして、前記交流電源の電圧が定常値よ
りも低い低電圧設定値以下になれば開路しかつ交
流電源電圧が前記定常値またはこれに近い値に復
帰してから所定時間経過後に閉路するスイツチン
グ素子が前記抵抗器に並列接続されることを特徴
とするインバータ装置の突入電流抑制回路。 In an inverter device comprising a rectifier that is connected to an AC power source and outputs DC, and an inverter that converts the DC output from the rectifier into AC through a smoothing capacitor, the DC output side of the rectifier and the smoothing A resistor is inserted between the capacitor and the circuit is opened when the voltage of the AC power source falls below a low voltage setting value lower than the steady value, and the AC power supply voltage returns to the steady value or a value close to this. An inrush current suppression circuit for an inverter device, characterized in that a switching element that closes after a predetermined period of time has elapsed from the time of inrush current suppression is connected in parallel to the resistor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP17301086U JPS6377485U (en) | 1986-11-11 | 1986-11-11 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP17301086U JPS6377485U (en) | 1986-11-11 | 1986-11-11 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6377485U true JPS6377485U (en) | 1988-05-23 |
Family
ID=31110075
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP17301086U Pending JPS6377485U (en) | 1986-11-11 | 1986-11-11 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6377485U (en) |
-
1986
- 1986-11-11 JP JP17301086U patent/JPS6377485U/ja active Pending