JPS60141636U - Inverter overcurrent protection device - Google Patents
Inverter overcurrent protection deviceInfo
- Publication number
- JPS60141636U JPS60141636U JP3117284U JP3117284U JPS60141636U JP S60141636 U JPS60141636 U JP S60141636U JP 3117284 U JP3117284 U JP 3117284U JP 3117284 U JP3117284 U JP 3117284U JP S60141636 U JPS60141636 U JP S60141636U
- Authority
- JP
- Japan
- Prior art keywords
- protection device
- overcurrent protection
- inverter
- detector
- 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
- 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
はトランジスタの静特性図、第4図はこの考案の他の一
実施例を示す回路図、第5図は電界効果形トランジスタ
の静特性図である。
図において、11・・・コンデンサ、12・・・トラン
ジスタ、13・・・ダイオード、15・・・ベース電流
側−御器、16・・・電圧検出器。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 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 transistor, and Fig. 4 is another example of this invention. FIG. 5 is a circuit diagram showing one embodiment of the present invention, and FIG. 5 is a static characteristic diagram of a field effect transistor. In the figure, 11... Capacitor, 12... Transistor, 13... Diode, 15... Base current side controller, 16... Voltage detector. In addition, in the figures, the same reference numerals indicate the same or corresponding parts.
Claims (1)
と直列接続してインバータの直流側端子間に挿入される
コンデンサ、過電流の発生を検出する検出器、該検出器
の動作出力を受けてベース電流の供給動作を停止する上
記トランジスタのベース電流制御器を具えるインバータ
過電流保護装置において、上記過電流の発生を検出する
検出器が上記トランジスタの電圧を検出する電圧検出器
であることを特徴とするインバータの過電流保護装置。An anti-parallel circuit of transistors and diodes, a capacitor connected in series with the anti-parallel circuit and inserted between the DC side terminals of the inverter, a detector that detects the occurrence of overcurrent, and a base current based on the operating output of the detector. An inverter overcurrent protection device comprising a base current controller for the transistor that stops the supply operation of the transistor, characterized in that the detector that detects the occurrence of the overcurrent is a voltage detector that detects the voltage of the transistor. Inverter overcurrent protection device.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP3117284U JPS60141636U (en) | 1984-03-01 | 1984-03-01 | Inverter overcurrent protection device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP3117284U JPS60141636U (en) | 1984-03-01 | 1984-03-01 | Inverter overcurrent protection device |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS60141636U true JPS60141636U (en) | 1985-09-19 |
Family
ID=30531531
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP3117284U Pending JPS60141636U (en) | 1984-03-01 | 1984-03-01 | Inverter overcurrent protection device |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS60141636U (en) |
-
1984
- 1984-03-01 JP JP3117284U patent/JPS60141636U/en active Pending
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