JPS58145087U - Overcurrent suppression circuit - Google Patents
Overcurrent suppression circuitInfo
- Publication number
- JPS58145087U JPS58145087U JP4140282U JP4140282U JPS58145087U JP S58145087 U JPS58145087 U JP S58145087U JP 4140282 U JP4140282 U JP 4140282U JP 4140282 U JP4140282 U JP 4140282U JP S58145087 U JPS58145087 U JP S58145087U
- Authority
- JP
- Japan
- Prior art keywords
- suppression circuit
- overcurrent suppression
- electrolytic capacitor
- arc
- self
- 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
Landscapes
- Protection Of Static Devices (AREA)
- Power Conversion In General (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) [Abstract] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
第１図は従来例を示す回路接続図、第２図は本考案の一
実施例を示す回路接続図、第３図は本考案の他の実施例
を示す回路接続図である。
図中、１は直流電源、２はフィルタ用直流リアクトル、
３は電解コンデンサ、４は放電用抵抗、５はダイオード
、７ａ〜７ｄはトランジスタ、８ａ〜８ｄは帰還ダイオ
ード、９は負荷、１１はＧＴＯ１１２はダイオード、１
３はゲート回路、１４は変流器、１５はトランジスタで
ある。なお、図中同一符号は同一もしくは相当部分を示
す。FIG. 1 is a circuit connection diagram showing a conventional example, FIG. 2 is a circuit connection diagram showing one embodiment of the present invention, and FIG. 3 is a circuit connection diagram showing another embodiment of the present invention. In the figure, 1 is a DC power supply, 2 is a filter DC reactor,
3 is an electrolytic capacitor, 4 is a discharge resistor, 5 is a diode, 7a to 7d are transistors, 8a to 8d are feedback diodes, 9 is a load, 11 is a GTO 112 is a diode, 1
3 is a gate circuit, 14 is a current transformer, and 15 is a transistor. Note that the same reference numerals in the figures indicate the same or corresponding parts.
Claims (1)
される直流フィルタを通して供給され、そのフィルタ通
過後の直流をサイリスタ・トランジスタ等の半導体スイ
ッチで構成されるインバータあるいはチョッパの゛入力
として使用する電力、変換装置において、電解コンデン
サと直列に自己消弧素子が接続されると共に、この自己
消弧素子と逆並列に、ダイオードを接続したこと全特徴
とする過電流押傷回路。A power conversion device in which the input DC power is supplied through a DC filter consisting of a DC reactor and an electrolytic capacitor, and the DC after passing through the filter is used as the input of an inverter or chopper consisting of semiconductor switches such as thyristors and transistors. An overcurrent crush circuit characterized in that a self-arc-extinguishing element is connected in series with an electrolytic capacitor, and a diode is connected in antiparallel to the self-arc-extinguishing element.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4140282U JPS58145087U (en) | 1982-03-24 | 1982-03-24 | Overcurrent suppression circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4140282U JPS58145087U (en) | 1982-03-24 | 1982-03-24 | Overcurrent suppression circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS58145087U true JPS58145087U (en) | 1983-09-29 |
Family
ID=30052585
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4140282U Pending JPS58145087U (en) | 1982-03-24 | 1982-03-24 | Overcurrent suppression circuit |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS58145087U (en) |
-
1982
- 1982-03-24 JP JP4140282U patent/JPS58145087U/en active Pending
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