JPS55114198A - Excitation-controlling device for synchronous machine - Google Patents
Excitation-controlling device for synchronous machineInfo
- Publication number
- JPS55114198A JPS55114198A JP2052979A JP2052979A JPS55114198A JP S55114198 A JPS55114198 A JP S55114198A JP 2052979 A JP2052979 A JP 2052979A JP 2052979 A JP2052979 A JP 2052979A JP S55114198 A JPS55114198 A JP S55114198A
- Authority
- JP
- Japan
- Prior art keywords
- controlling device
- actuated
- group
- excitation
- lock
- 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
Abstract
PURPOSE: To achieve stable operation of a generator with respect to a power system by changing the control from the defective controlling device to the other controlling device, when an over-excitation limiter in one controlling device is actuated and does not go back to the normal state after the predetermined time is elapsed.
CONSTITUTION: Under the condition a generator is running through a controlling device of a group A, a timer 42A is actuated when an over-excitation limiter (OEL) of the group A is actuated. If an AND element 41A is not returned to the normal state after the predetermined time of the timer 42A, a lock-out relay 43A for the failure of the group A is actuated, and the control is changed to the controlling device of a group B if the group B is normal. When the lock-out relays 43A and 43B of the groups A and B are both actuated, a generator lock-out relay 86E is actuated and the generating plant is tripped.
COPYRIGHT: (C)1980,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2052979A JPS55114198A (en) | 1979-02-23 | 1979-02-23 | Excitation-controlling device for synchronous machine |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2052979A JPS55114198A (en) | 1979-02-23 | 1979-02-23 | Excitation-controlling device for synchronous machine |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS55114198A true JPS55114198A (en) | 1980-09-03 |
Family
ID=12029675
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2052979A Pending JPS55114198A (en) | 1979-02-23 | 1979-02-23 | Excitation-controlling device for synchronous machine |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS55114198A (en) |
-
1979
- 1979-02-23 JP JP2052979A patent/JPS55114198A/en active Pending
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