JPS6477705A - Steam turbine controller - Google Patents
Steam turbine controllerInfo
- Publication number
- JPS6477705A JPS6477705A JP23110187A JP23110187A JPS6477705A JP S6477705 A JPS6477705 A JP S6477705A JP 23110187 A JP23110187 A JP 23110187A JP 23110187 A JP23110187 A JP 23110187A JP S6477705 A JPS6477705 A JP S6477705A
- Authority
- JP
- Japan
- Prior art keywords
- free test
- output signal
- stem free
- detector
- imp
- 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 prevent rapid increase and decrease in a turbine output when abnormality is recognized during a stem free test by inputting respective outputs from a turbine output deviation detector or an IMP operation exception detector, to a stem free test retaining circuit, and thereby canceling the stem free test. CONSTITUTION:An output signal from a load setting device 1 and an output signal from an IMP detector 2 are both input to turbine output deviation detector 16 through an arithmometer 19. When the deviation between those two signals exceeds a predetermined value, the turbine output deviation detector circuit 16 judges that rapid increase and decrease in the turbine output are generated, so as output signal is transmitted to a stem free test retaining circuit 18. In this case, the retaining circuit 18 restores a change-over switch 6 and makes an input signal to a computing element 7 zero so as to retain the output signal and cancel the stem free test. Also, an IMP operation exception detector 17, when IMP operation is excepted during the stem free test, transmits an output signal to the retaining circuit 18 and retains an output signal from the computing element 7 so as to cancel the stem free test.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP23110187A JPS6477705A (en) | 1987-09-17 | 1987-09-17 | Steam turbine controller |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP23110187A JPS6477705A (en) | 1987-09-17 | 1987-09-17 | Steam turbine controller |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS6477705A true JPS6477705A (en) | 1989-03-23 |
Family
ID=16918314
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP23110187A Pending JPS6477705A (en) | 1987-09-17 | 1987-09-17 | Steam turbine controller |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS6477705A (en) |
-
1987
- 1987-09-17 JP JP23110187A patent/JPS6477705A/en active Pending
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