JPS533050A - Abnormal state detection system - Google Patents
Abnormal state detection systemInfo
- Publication number
- JPS533050A JPS533050A JP7633776A JP7633776A JPS533050A JP S533050 A JPS533050 A JP S533050A JP 7633776 A JP7633776 A JP 7633776A JP 7633776 A JP7633776 A JP 7633776A JP S533050 A JPS533050 A JP S533050A
- Authority
- JP
- Japan
- Prior art keywords
- abnormal state
- detection system
- state detection
- driving
- switch element
- 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)
- Power Conversion In General (AREA)
- Thyristor Switches And Gates (AREA)
- Monitoring And Testing Of Exchanges (AREA)
- Use Of Switch Circuits For Exchanges And Methods Of Control Of Multiplex Exchanges (AREA)
Abstract
PURPOSE: To detect and abnormal state by having a close thermal coupling between the semiconductor switch element of the channel part and the driving element of the driving part and by detecting indirectly the extermal abnormal current of the switch element and the property change of the driving element.
COPYRIGHT: (C)1978,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP7633776A JPS533050A (en) | 1976-06-30 | 1976-06-30 | Abnormal state detection system |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP7633776A JPS533050A (en) | 1976-06-30 | 1976-06-30 | Abnormal state detection system |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS533050A true JPS533050A (en) | 1978-01-12 |
JPS565102B2 JPS565102B2 (en) | 1981-02-03 |
Family
ID=13602536
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP7633776A Granted JPS533050A (en) | 1976-06-30 | 1976-06-30 | Abnormal state detection system |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS533050A (en) |
-
1976
- 1976-06-30 JP JP7633776A patent/JPS533050A/en active Granted
Also Published As
Publication number | Publication date |
---|---|
JPS565102B2 (en) | 1981-02-03 |
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