JPH03101044U - - Google Patents
Info
- Publication number
- JPH03101044U JPH03101044U JP867590U JP867590U JPH03101044U JP H03101044 U JPH03101044 U JP H03101044U JP 867590 U JP867590 U JP 867590U JP 867590 U JP867590 U JP 867590U JP H03101044 U JPH03101044 U JP H03101044U
- Authority
- JP
- Japan
- Prior art keywords
- transistor
- resistor
- output
- circuit breaker
- signal
- 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
- 239000004065 semiconductor Substances 0.000 claims description 5
- 239000003990 capacitor Substances 0.000 claims description 4
- 238000010586 diagram Methods 0.000 description 3
Landscapes
- Electronic Switches (AREA)
Description
第１図はこの考案の１実施例による半導体遮断
器を示す接続図、第２図ａ，ｂ，ｃは、この考案
の１実施例における各部の動作状態を示す波形図
、第３図は従来の半導体遮断器を示す接続図、第
４図ａ，ｂ，ｃは、従来の半導体遮断器の各部の
動作状態を示す波形図である。
１……被遮断ライン、２……トランジスタ、３
……電流検出器、４……コンパレータ、５……駆
動回路、６……第１の抵抗、７……第２の抵抗、
８……キヤパシタ、９……スナバ回路、１０……
スナバ回路９を構成する抵抗、１１……スナバ回
路９を構成するキヤパシタ、ＶＲＥＦ……基準電
圧、ＩＤ……駆動電流、ＩＢ……ベース電流、Ｉ
Ｃ……キヤパシタ放電電流である。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 connection diagram showing a semiconductor circuit breaker according to an embodiment of this invention, Fig. 2 a, b, and c are waveform diagrams showing the operating states of each part in an embodiment of this invention, and Fig. 3 is a conventional FIGS. 4a, 4b, and 4c are waveform diagrams showing the operating states of each part of the conventional semiconductor breaker. 1...Line to be cut off, 2...Transistor, 3
... Current detector, 4 ... Comparator, 5 ... Drive circuit, 6 ... First resistor, 7 ... Second resistor,
8... Capacitor, 9... Snubber circuit, 10...
Resistor forming the snubber circuit 9, 11...Capacitor forming the snubber circuit 9, VREF...Reference voltage, ID...Drive current, IB...Base current, I
C... Capacitor discharge current. Note that the same reference numerals in the figures indicate the same or corresponding parts.
Claims (1)
ンジスタのコレクタ電流を検出する電流検出器と
、電流検出器の出力信号と基準電圧を比較してそ
の大小関係より上記トランジスタのオン・オフ信
号を発生するコンパレータと、コンパレータの信
号を入力とし、出力のホツト側が上記トランジス
タのベースに接続され、出力のリターン側が上記
トランジスタのエミツタに接続された駆動回路と
からなる半導体遮断器において、駆動回路の出力
のホツト側に直列に接続された第１の抵抗と、第
１の抵抗と上記トランジスタのベース間に接続さ
れた第２の抵抗と、第１の抵抗と第２の抵抗の接
続点と上記トランジスタのエミツタ間に接続され
たキヤパシタとを備えたことを特徴とする半導体
遮断器。 A transistor as a semiconductor cutoff element, a current detector that detects the collector current of the transistor, a comparator that compares the output signal of the current detector with a reference voltage and generates an on/off signal for the transistor based on the magnitude relationship; In a semiconductor circuit breaker consisting of a drive circuit in which the signal from a comparator is input, the hot side of the output is connected to the base of the transistor, and the return side of the output is connected to the emitter of the transistor, the circuit breaker is connected in series to the hot side of the output of the drive circuit. a second resistor connected between the first resistor and the base of the transistor, and a connection point between the first resistor and the second resistor and the emitter of the transistor; A semiconductor circuit breaker characterized in that it is equipped with a capacitor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP867590U JPH03101044U (en) | 1990-01-31 | 1990-01-31 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP867590U JPH03101044U (en) | 1990-01-31 | 1990-01-31 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH03101044U true JPH03101044U (en) | 1991-10-22 |
Family
ID=31512297
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP867590U Pending JPH03101044U (en) | 1990-01-31 | 1990-01-31 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH03101044U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2017018153A (en) * | 2015-07-07 | 2017-01-26 | 株式会社Ｉｆｇ | Medical magnetic pulse generation device having quick adjustment circuit for charge voltage |
-
1990
- 1990-01-31 JP JP867590U patent/JPH03101044U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2017018153A (en) * | 2015-07-07 | 2017-01-26 | 株式会社Ｉｆｇ | Medical magnetic pulse generation device having quick adjustment circuit for charge voltage |
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