JPS62182086U - - Google Patents
Info
- Publication number
- JPS62182086U JPS62182086U JP6975986U JP6975986U JPS62182086U JP S62182086 U JPS62182086 U JP S62182086U JP 6975986 U JP6975986 U JP 6975986U JP 6975986 U JP6975986 U JP 6975986U JP S62182086 U JPS62182086 U JP S62182086U
- Authority
- JP
- Japan
- Prior art keywords
- power failure
- power supply
- inrush current
- voltage source
- detection unit
- 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
- 238000001514 detection method Methods 0.000 claims description 3
- 238000009499 grossing Methods 0.000 claims description 3
- 230000001629 suppression Effects 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 2
Description
第１図はこの考案の一実施例を示す概略回路構
成図、第２図は瞬時停電保護装置を備えた電圧形
インバータの従来の回路構成図である。
１…交流電源、２…電源側主しや断器、３…整
流回路、４…平滑用コンデンサ、６…インバータ
部、７…電動機、８…限流抵抗、９…抵抗バイパ
ス接点、１０…主電磁接触器、１１…突入電流抑
制制御回路、１２…停電検出部、１３…インバー
タ制御回路、１４…ＯＲ回路。
FIG. 1 is a schematic circuit diagram showing an embodiment of this invention, and FIG. 2 is a conventional circuit diagram of a voltage source inverter equipped with an instantaneous power failure protection device. 1...AC power supply, 2...power supply side main disconnector, 3...rectifier circuit, 4...smoothing capacitor, 6...inverter section, 7...motor, 8...current limiting resistor, 9...resistance bypass contact, 10...main Electromagnetic contactor, 11... Inrush current suppression control circuit, 12... Power failure detection unit, 13... Inverter control circuit, 14... OR circuit.
Claims (1)
路、及びインバータ部を備えた電圧形インバータ
において、 前記電源部から前記平滑用コンデンサへの突入
電流を抑制するための突入電流抑制回路と、 前記電源部における停電を検出する停電検出部
と、を備え、 前記停電検出部による停電検出時に前記突入電
流抑制回路を動作させることを特徴とする、電圧
形インバータの瞬時停電保護装置。[Claims for Utility Model Registration] In a voltage source inverter comprising a power supply section, a DC intermediate circuit having a smoothing capacitor, and an inverter section, an inrush current for suppressing inrush current from the power supply section to the smoothing capacitor. A momentary power failure protection device for a voltage source inverter, comprising: a suppression circuit; and a power failure detection unit that detects a power failure in the power supply unit, and operates the inrush current suppression circuit when the power failure detection unit detects a power failure. .
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6975986U JPS62182086U (en) | 1986-05-09 | 1986-05-09 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6975986U JPS62182086U (en) | 1986-05-09 | 1986-05-09 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS62182086U true JPS62182086U (en) | 1987-11-18 |
Family
ID=30910779
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP6975986U Pending JPS62182086U (en) | 1986-05-09 | 1986-05-09 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS62182086U (en) |
-
1986
- 1986-05-09 JP JP6975986U patent/JPS62182086U/ja active Pending