JPH02125540U - - Google Patents
Info
- Publication number
- JPH02125540U JPH02125540U JP3403089U JP3403089U JPH02125540U JP H02125540 U JPH02125540 U JP H02125540U JP 3403089 U JP3403089 U JP 3403089U JP 3403089 U JP3403089 U JP 3403089U JP H02125540 U JPH02125540 U JP H02125540U
- Authority
- JP
- Japan
- Prior art keywords
- breaker
- rectifier
- voltage
- overvoltage
- charging circuit
- 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 2
- 238000010586 diagram Methods 0.000 description 2
- 101000581533 Homo sapiens Methylcrotonoyl-CoA carboxylase beta chain, mitochondrial Proteins 0.000 description 1
- 102100027320 Methylcrotonoyl-CoA carboxylase beta chain, mitochondrial Human genes 0.000 description 1
Landscapes
- Rectifiers (AREA)
- Protection Of Static Devices (AREA)
Description
第１図乃至第３図は夫々本考案の異なる実施例
を示す回路図、第４図は従来整流装置の回路図で
ある。
１……予備充電回路、２……整流回路、３……
制御装置、ＭＣＣＢ……ブレーカ、ＮＶＭＣＣＢ
……不足電圧ブレーカ、ＭＧ……電磁スイツチ、
ＮＶ……不足電圧コイル。
1 to 3 are circuit diagrams showing different embodiments of the present invention, and FIG. 4 is a circuit diagram of a conventional rectifier. 1... Preliminary charging circuit, 2... Rectifier circuit, 3...
Control device, MCCB...Breaker, NVMCCB
...undervoltage breaker, MG...electromagnetic switch,
NV...Undervoltage coil.
Claims (1)
介して整流し、コンデンサで平滑した直流電圧が
所定値になると前記予備充電回路を短絡して整流
する整流装置において、 前記ブレーカの入力側で交流電源電圧の過電圧
を検出し、前記予備充電回路を切り離し、充電を
不能ならしめることを特徴とした入力過電圧保護
回路。 (2) ブレーカよりの交流電圧を予備充電回路を
介して整流し、コンデンサで平滑した直流電圧が
所定値になると前記予備充電回路を短絡して整流
する整流装置において、 前記ブレーカの入力側で電源の過電圧を検出し
、前記整流装置の負荷側を短絡することを特徴と
する入力過電圧保護回路。 (3) 交流電源に接続される整流装置乃至負荷回
路との間にブレーカを設け、このブレーカの入力
側で交流電源の過電圧を検出し、前記ブレーカを
投入不能とすることを特徴とする入力過電圧保護
回路。[Claims for Utility Model Registration] (1) In a rectifier that rectifies AC voltage from a breaker via a pre-charging circuit, and short-circuits the pre-charging circuit when the DC voltage smoothed by a capacitor reaches a predetermined value. . An input overvoltage protection circuit, which detects an overvoltage of the AC power supply voltage on the input side of the breaker, disconnects the preliminary charging circuit, and disables charging. (2) A rectifier that rectifies the AC voltage from the breaker via a pre-charging circuit, and when the DC voltage smoothed by a capacitor reaches a predetermined value, short-circuits the pre-charging circuit and rectifies the voltage, comprising: a power source on the input side of the breaker; An input overvoltage protection circuit that detects an overvoltage of the rectifier and short-circuits the load side of the rectifier. (3) An input overvoltage characterized by providing a breaker between a rectifier or a load circuit connected to an AC power source, detecting overvoltage of the AC power source on the input side of the breaker, and disabling the breaker. protection circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3403089U JPH02125540U (en) | 1989-03-24 | 1989-03-24 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3403089U JPH02125540U (en) | 1989-03-24 | 1989-03-24 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH02125540U true JPH02125540U (en) | 1990-10-16 |
Family
ID=31538149
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP3403089U Pending JPH02125540U (en) | 1989-03-24 | 1989-03-24 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH02125540U (en) |
-
1989
- 1989-03-24 JP JP3403089U patent/JPH02125540U/ja active Pending
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