JPS60166236U - Inverter overcurrent protection device - Google Patents
Inverter overcurrent protection deviceInfo
- Publication number
- JPS60166236U JPS60166236U JP5092784U JP5092784U JPS60166236U JP S60166236 U JPS60166236 U JP S60166236U JP 5092784 U JP5092784 U JP 5092784U JP 5092784 U JP5092784 U JP 5092784U JP S60166236 U JPS60166236 U JP S60166236U
- Authority
- JP
- Japan
- Prior art keywords
- field effect
- inverter
- protection device
- overcurrent protection
- 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.)
- Pending
Links
Landscapes
- Emergency Protection Circuit Devices (AREA)
- 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、２３・・・
・・・ダ、イオード、２２・・・・・・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、２４・・・・・・電圧検出回路、
２５・・・・・・ゲート制御器。なお、図中、同一符号
は同一または相当部分を示す。
−第２図
−第４図 −FIG. 1 is a circuit diagram showing a conventional overcurrent protection device for an inverter, and FIG. 2 shows an embodiment of this invention. Circuit diagram, Figure 3 is a static characteristic diagram of a field effect transistor,
FIG. 4 is a static characteristic diagram of the transistor. In the figure, 11... capacitor, 23...
...da, diode, 22...switching circuit, 22a...transistor, 22b, 22c
......Field effect transistor, 22d...
・Diode series body, 24... Voltage detection circuit,
25...Gate controller. In addition, in the figures, the same reference numerals indicate the same or corresponding parts. -Figure 2-Figure 4-
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しインバータと直列に接
続されるスイッチング回路、該スイッチング回路を介し
てインバータに並列接続されるコンデンサ、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１、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
制御回路を具えることを特徴とするインバータの過電流
保護装置。The main switching element has first and second field effect transistors having a common gate, a main switching element connected in series to the second field effect transistor, and Darlington connected to the first field effect transistor, and connected in series with an inverter. A switching circuit to be connected, a capacitor connected in parallel to the inverter via the switching circuit, a diode connected in anti-parallel to the switching circuit, and a voltage that operates when the voltage of the second field effect transistor reaches a predetermined level. 1. An overcurrent protection device for an inverter, comprising a detection circuit 1 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 |
|---|---|---|---|
| JP5092784U JPS60166236U (en) | 1984-04-05 | 1984-04-05 | Inverter overcurrent protection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5092784U JPS60166236U (en) | 1984-04-05 | 1984-04-05 | Inverter overcurrent protection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS60166236U true JPS60166236U (en) | 1985-11-05 |
Family
ID=30569515
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP5092784U Pending JPS60166236U (en) | 1984-04-05 | 1984-04-05 | Inverter overcurrent protection device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS60166236U (en) |
-
1984
- 1984-04-05 JP JP5092784U patent/JPS60166236U/en active Pending
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