Method and apparatus for controlling a steam turbine of a power

Details Method and apparatus for controlling a steam turbine of a power Method and apparatus for controlling a steam turbine of a power

1986-08-06

1988-03-01

Garrett, Robert E.

Rotary kinetic fluid motors or pumps

With control means responsive to non-cyclic condition...

60652, 290 40B, F01D 1704

Patent

active

047282541

ABSTRACT:
The invention relates to a method (and an apparatus) for controlling a steam turbine of a power station unit that includes a steam turbine and a steam generator, with the output signal of the turbine controller acting on the adjusting mechanism of the turbine inlet valve arrangement. In order with such a method to relieve the turbine controller of those controller output variations that are already evident from the change of the reference inputs, the output signal of the turbine controller has added to it a signal that is computed from the load setpoint of the turbine controller according to the relationship governing the steam turbine ##EQU1## and that is supplied to the summating point in the computed magnitude or weighted by a factor k that deviates from unity.

REFERENCES:
patent: 4118935 (1978-10-01), Andersson
patent: 4184337 (1980-01-01), Bloch
patent: 4274260 (1981-06-01), Bukajlo
patent: 4412780 (1983-11-01), Collins et al.
patent: 4445045 (1984-04-01), Ross
patent: 4514642 (1985-04-01), Ross

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