JPS544346A - Protective circuit for ac switching circuit - Google Patents
Protective circuit for ac switching circuitInfo
- Publication number
- JPS544346A JPS544346A JP6918177A JP6918177A JPS544346A JP S544346 A JPS544346 A JP S544346A JP 6918177 A JP6918177 A JP 6918177A JP 6918177 A JP6918177 A JP 6918177A JP S544346 A JPS544346 A JP S544346A
- Authority
- JP
- Japan
- Prior art keywords
- circuit
- switching element
- protective
- switching
- switching circuit
- 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
- Thyristor Switches And Gates (AREA)
- Keying Circuit Devices (AREA)
Abstract
PURPOSE: To perform overcurrent protection by providing second switching element which is turned on the voltage produced across resistor for reading out overcurrent flowing through main switching element and short-circuits between anode and gate of main switching element.
COPYRIGHT: (C)1979,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP6918177A JPS544346A (en) | 1977-06-11 | 1977-06-11 | Protective circuit for ac switching circuit |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP6918177A JPS544346A (en) | 1977-06-11 | 1977-06-11 | Protective circuit for ac switching circuit |
Related Child Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP7552084A Division JPS6068415A (en) | 1984-04-13 | 1984-04-13 | Protecting circuit of ac switch |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS544346A true JPS544346A (en) | 1979-01-13 |
Family
ID=13395285
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP6918177A Pending JPS544346A (en) | 1977-06-11 | 1977-06-11 | Protective circuit for ac switching circuit |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS544346A (en) |
-
1977
- 1977-06-11 JP JP6918177A patent/JPS544346A/en active Pending
Similar Documents
Publication | Publication Date | Title |
---|---|---|
FR2305010A1 (en) | CURRENT LIMITER CIRCUIT BREAKER | |
JPS544346A (en) | Protective circuit for ac switching circuit | |
JPS5210514A (en) | Transformation device | |
JPS5325339A (en) | Transistor protection circuit | |
JPS53141569A (en) | Protective device for commutation failure of switching element | |
JPS547258A (en) | Transistor protective circuit | |
JPS52149322A (en) | Soft starting circuit of commutation circuit | |
JPS535743A (en) | Observati on device of bus protecting relay | |
JPS5316843A (en) | Protective relay device | |
JPS5425445A (en) | Apparatus protective device | |
JPS52115345A (en) | Protecting device of electric current control type inverter | |
JPS5288753A (en) | Static type voltage regulating system | |
JPS53120159A (en) | Voltage clamp circuit | |
JPS5442638A (en) | Circuit breaker | |
JPS5219216A (en) | Overcurrent limiting circuit | |
JPS5241850A (en) | Protecting circuit for electric circuit element | |
JPS536859A (en) | Capacitor switching means | |
JPS5346634A (en) | Gate control unit for rectifier circuit | |
JPS51147288A (en) | Semiconductor device | |
JPS5384138A (en) | Over currenct protective circuit | |
JPS5383053A (en) | Switching regulator | |
JPS51118044A (en) | Fault localization device | |
JPS5385120A (en) | Displyy element driving circuit | |
JPS5362130A (en) | Protection system for current transformer | |
JPS53111448A (en) | Protective equipment for cyclo-converter |