JPS60166235U - Inverter overcurrent protection device - Google Patents
Inverter overcurrent protection deviceInfo
- Publication number
- JPS60166235U JPS60166235U JP5092684U JP5092684U JPS60166235U JP S60166235 U JPS60166235 U JP S60166235U JP 5092684 U JP5092684 U JP 5092684U JP 5092684 U JP5092684 U JP 5092684U JP S60166235 U JPS60166235 U JP S60166235U
- Authority
- JP
- Japan
- Prior art keywords
- field effect
- protection device
- overcurrent protection
- inverter
- effect transistor
- 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) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
第１図は従来のインバータの過電流保護装置を示す回路
図、第２図はこの考案の一実施例を示す回路図、第３図
は電界効果形トランジスタの静特性図、第４図はトラン
ジスタの静特性図である。
゛ 図において、１１・・・・・・コンデンサ、２２
・曲・スイッチング回路、２２ａ・−−−−−トランジ
スタ、２２ｂ、２２ｃ・・・・・・電界効果トランジス
タ、２２ｄ・！・・・・ダイオード直列体、２３・・・
・・・ダイオード、２４・・・・・・電圧検出回路、２
５・・・・・・ゲート制御回路。なお、図中、同一符号
は同一または相当部分を示す。
第３図、 −Fig. 1 is a circuit diagram showing a conventional overcurrent protection device for an inverter, Fig. 2 is a circuit diagram showing an embodiment of this invention, Fig. 3 is a static characteristic diagram of a field effect transistor, and Fig. 4 is a transistor FIG.゛ In the figure, 11... Capacitor, 22
・Song・Switching circuit, 22a・----Transistor, 22b, 22c... Field effect transistor, 22d・! ...Diode series body, 23...
...Diode, 24...Voltage detection circuit, 2
5...Gate control circuit. In addition, in the figures, the same reference numerals indicate the same or corresponding parts. Figure 3, -
Claims (1)
タと該第２の電界効果トランジスタに直列接続されたう
え上記第１の電界効果トランジスタとダーリントン接続
された主スイツチング素子を有するスイッチング回路、
該スイッチング回路と直列接続してインバータの直流端
子間に挿入さ、 ′ れるコンデンサ、上記スイッチ
ング回路と逆並列接続されたダイオード、上記第２の電
界効果トランジスタの電圧が所定レベルに達すると動作
する電圧検出回路、該電圧検出回路の動作出力を受けて
上記両軍界効果トランジスタをオフさせるゲート制御回
路令具えることを特徴とするインバータの過電流保護装
置。a switching circuit comprising first and second field effect transistors having a common gate and a main switching element connected in series to the second field effect transistor and Darlington connected to the first field effect transistor;
A capacitor connected in series with the switching circuit and inserted between the DC terminals of the inverter, a diode connected in anti-parallel with the switching circuit, and a voltage that operates when the voltage of the second field effect transistor reaches a predetermined level. An overcurrent protection device for an inverter, comprising a detection circuit and a gate control circuit for turning off both of the field effect transistors in response to the operational output of the voltage detection circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5092684U JPS60166235U (en) | 1984-04-05 | 1984-04-05 | Inverter overcurrent protection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5092684U JPS60166235U (en) | 1984-04-05 | 1984-04-05 | Inverter overcurrent protection device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS60166235U true JPS60166235U (en) | 1985-11-05 |
| JPS6338691Y2 JPS6338691Y2 (en) | 1988-10-12 |
Family
ID=30569513
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP5092684U Granted JPS60166235U (en) | 1984-04-05 | 1984-04-05 | Inverter overcurrent protection device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS60166235U (en) |
-
1984
- 1984-04-05 JP JP5092684U patent/JPS60166235U/en active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6338691Y2 (en) | 1988-10-12 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JPS60166235U (en) | Inverter overcurrent protection device | |
| JPS60166236U (en) | Inverter overcurrent protection device | |
| JPS6090914U (en) | FET protection circuit | |
| JPS5914411U (en) | Amplifier power limiting circuit | |
| JPS59104632U (en) | Snubber circuit of bidirectional energization switch | |
| JPS60141636U (en) | Inverter overcurrent protection device | |
| JPS60172434U (en) | Malfunction prevention circuit at startup | |
| JPS6071944U (en) | Output terminal control circuit | |
| JPS59103279U (en) | voltage level detection circuit | |
| JPS59108986U (en) | Tamper-proof circuit | |
| JPS5831791U (en) | DC motor control circuit | |
| JPS60108195U (en) | Power supply overcurrent protection circuit | |
| JPS5857289U (en) | switching regulator | |
| JPS60141637U (en) | Inverter overcurrent protection device | |
| JPS5866712U (en) | Muting circuit | |
| JPS59149062U (en) | voltage detection circuit | |
| JPS61335U (en) | MOS inverter circuit | |
| JPS60181927U (en) | Transistor switching circuit with protection function | |
| JPS5850741U (en) | solid state relay | |
| JPS5918541U (en) | charging device | |
| JPS58184930U (en) | Transistor switching circuit | |
| JPS59164490U (en) | Short circuit protection circuit for inverter | |
| JPS6050540U (en) | High frequency switch circuit with fault detection function | |
| JPS60108194U (en) | Power supply overcurrent protection circuit | |
| JPS5942051U (en) | integrated circuit |