System and method for operating a steam turbine with digital computer control with accelerating setpoint change
US4205380A · kind A · utility
14Cited by
10References
5Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Aug 10, 1973 |
| Grant date | May 27, 1980 |
| Priority date | — |
| Expiry date | Aug 10, 1993 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF01D17/00
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
In a system and method for automatically starting, synchronizing and operating a steam turbine, control means for valve position limiting wherein such limit can be changed non-linearly. Means are provided whereby the system operator has the ability to manually select a minimum incremental change of the valve position limit as a keyboard-entered constant. If the operator enables a continuing change in the limit it is introduced arithmetically, permitting large swings in a reasonably short period of time.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.