JPS60141636U - Inverter overcurrent protection device - Google Patents

Inverter overcurrent protection device

Info

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
Application number
JP3117284U
Other languages
Japanese (ja)
Inventor
健明 朝枝
油谷 隆司
宮下 武司
Original Assignee
三菱電機株式会社
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by 三菱電機株式会社 filed Critical 三菱電機株式会社
Priority to JP3117284U priority Critical patent/JPS60141636U/en
Publication of JPS60141636U publication Critical patent/JPS60141636U/en
Pending legal-status Critical Current

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

【図面の簡単な説明】[Brief explanation of drawings]

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)

【実用新案登録請求の範囲】[Scope of utility model registration request] トランジスタとダイオードの逆並列回路、該逆並列回路
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.
JP3117284U 1984-03-01 1984-03-01 Inverter overcurrent protection device Pending JPS60141636U (en)

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)

Similar Documents

Publication Publication Date Title
JPS60141636U (en) Inverter overcurrent protection device
JPS59144913U (en) current mirror circuit
JPS5811933U (en) Battery charging device
JPS59111432U (en) Inverter overvoltage protection device
JPS59138913U (en) power circuit
JPS58127823U (en) Surge absorption circuit
JPS58101218U (en) DC stabilized power supply circuit
JPS5949216U (en) DC stabilized power supply circuit
JPS60108195U (en) Power supply overcurrent protection circuit
JPS60166235U (en) Inverter overcurrent protection device
JPS5887489U (en) power supply
JPS60123015U (en) constant current power supply circuit
JPS59138391U (en) protection device
JPS5952736U (en) Gate turn-off thyristor protection circuit
JPS60108194U (en) Power supply overcurrent protection circuit
JPS6146607U (en) DC power supply
JPS59117290U (en) Inrush current prevention circuit
JPS5822093U (en) Inverter protection device
JPS599643U (en) Gate device for gate turn-off thyristor
JPS617286U (en) DC-DC converter
JPS58138120U (en) constant voltage device
JPS6143727U (en) Power panel protection circuit
JPS6144939U (en) Gate circuit of gate turn-off thyristor
JPS58147020U (en) power protection circuit
JPS5920315U (en) DC stabilized power supply circuit