JPS6066292U - Short circuit protection device for transistor inverter - Google Patents
Short circuit protection device for transistor inverterInfo
- Publication number
- JPS6066292U JPS6066292U JP14477683U JP14477683U JPS6066292U JP S6066292 U JPS6066292 U JP S6066292U JP 14477683 U JP14477683 U JP 14477683U JP 14477683 U JP14477683 U JP 14477683U JP S6066292 U JPS6066292 U JP S6066292U
- Authority
- JP
- Japan
- Prior art keywords
- output
- protection device
- comparator
- transistor inverter
- circuit protection
- 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.)
- Granted
Links
Landscapes
- Protection Of Static Devices (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図は従来のトランジスタインバータの短絡保護装置
の構成を示すブロック図、第２図は本考案の一実施例に
よるトランジスタインバータの短絡保護装置の構成を示
すブロック図である。
３・・・・・・インバータ、３ａ〜３ｆ・・・・・・ト
ランジスタ、５・・・・・・直流変流器、６・・・・・
・比較器、７・・・・・・基準電圧、９・・・・・・フ
ィルタ、１０・・・・・・フリップフロップ、１１・・
・・・・ＯＲ回路。なお、図中、同一符号は同一または
相当部分を示す。FIG. 1 is a block diagram showing the structure of a conventional short-circuit protection device for a transistor inverter, and FIG. 2 is a block diagram showing the structure of a short-circuit protection device for a transistor inverter according to an embodiment of the present invention. 3...Inverter, 3a-3f...Transistor, 5...DC current transformer, 6...
・Comparator, 7...Reference voltage, 9...Filter, 10...Flip-flop, 11...
...OR circuit. In addition, in the figures, the same reference numerals indicate the same or corresponding parts.
Claims (1)
置された直流変流器と、該変流器の出力を基準電圧と比
較し変流器出力が大きい場合に出力を送出する比較器、
および、その比較器出力に基づき上記トランジスタのベ
ース入力を強制しゃ断するベースしゃ断回路とを備えた
トランジスタインバータの短絡保護装置において、上記
比較器出力の時間遅れを作るフィルタ、および該フィル
タの出力を記憶する短絡記憶回路とを設け、上記比較器
出力並びに該短絡記憶回路の出力を上記ベースしゃ断回
路に入力させる構成としたことを特徴とするトランジス
タインバータの短絡保護装置。A DC current transformer installed on a DC voltage line in a transistor inverter, and a comparator that compares the output of the current transformer with a reference voltage and sends an output when the current transformer output is large.
and a base cutoff circuit that forcibly cuts off the base input of the transistor based on the output of the comparator, and a filter that creates a time delay of the output of the comparator, and stores the output of the filter. A short-circuit protection device for a transistor inverter, characterized in that the comparator output and the output of the short-circuit memory circuit are input to the base cutoff circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14477683U JPS6066292U (en) | 1983-09-19 | 1983-09-19 | Short circuit protection device for transistor inverter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14477683U JPS6066292U (en) | 1983-09-19 | 1983-09-19 | Short circuit protection device for transistor inverter |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6066292U true JPS6066292U (en) | 1985-05-10 |
| JPH0218709Y2 JPH0218709Y2 (en) | 1990-05-24 |
Family
ID=30322755
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP14477683U Granted JPS6066292U (en) | 1983-09-19 | 1983-09-19 | Short circuit protection device for transistor inverter |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6066292U (en) |
-
1983
- 1983-09-19 JP JP14477683U patent/JPS6066292U/en active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0218709Y2 (en) | 1990-05-24 |
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