JPS54127544A - Multifunction protective relay - Google Patents
Multifunction protective relayInfo
- Publication number
- JPS54127544A JPS54127544A JP3587278A JP3587278A JPS54127544A JP S54127544 A JPS54127544 A JP S54127544A JP 3587278 A JP3587278 A JP 3587278A JP 3587278 A JP3587278 A JP 3587278A JP S54127544 A JPS54127544 A JP S54127544A
- Authority
- JP
- Japan
- Prior art keywords
- detection circuits
- ground
- power source
- protective relay
- capacitor
- 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
- Emergency Protection Circuit Devices (AREA)
Abstract
PURPOSE: To provide a multifunction protective relay wherein lines of respective detection circuits can be commonly used, and various detection circuits can be connected to each other in the same construction, thereby simplifying the circuit construction without necessitating considerations on the impedance matching.
CONSTITUTION: A release relay 8 and a capacitor C connected in series are connected between a power source Vcc having an appropriate impedance and the ground E, and the release relay 8 is operated by a discharge current of the capacitor C, and when detection circuits 10 through 12 of the same kind or different kinds, connected between the power source Vcc and the ground E operate, the power source Vcc and the ground E are short-circuited by low impedance. According to this arrangement, lines of respective detection circuits can be commonly used, and detection circuits of various kinds can be connected to each other in the same construction, and furthermore there is no need to consider impedance matching.
COPYRIGHT: (C)1979,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP53035872A JPS5827739B2 (en) | 1978-03-27 | 1978-03-27 | Multifunctional protective relay |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP53035872A JPS5827739B2 (en) | 1978-03-27 | 1978-03-27 | Multifunctional protective relay |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS54127544A true JPS54127544A (en) | 1979-10-03 |
JPS5827739B2 JPS5827739B2 (en) | 1983-06-11 |
Family
ID=12454077
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP53035872A Expired JPS5827739B2 (en) | 1978-03-27 | 1978-03-27 | Multifunctional protective relay |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5827739B2 (en) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0192384A (en) * | 1987-10-02 | 1989-04-11 | Hitachi Ltd | Plasma treating device |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5287921U (en) * | 1975-12-25 | 1977-06-30 | ||
JPS5317948A (en) * | 1976-08-04 | 1978-02-18 | Fuji Electric Co Ltd | Protective circuit for overcurrent |
-
1978
- 1978-03-27 JP JP53035872A patent/JPS5827739B2/en not_active Expired
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5287921U (en) * | 1975-12-25 | 1977-06-30 | ||
JPS5317948A (en) * | 1976-08-04 | 1978-02-18 | Fuji Electric Co Ltd | Protective circuit for overcurrent |
Also Published As
Publication number | Publication date |
---|---|
JPS5827739B2 (en) | 1983-06-11 |
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