Unit controller for multiple-unit dispatch control

Details Unit controller for multiple-unit dispatch control Unit controller for multiple-unit dispatch control

1982-08-30

1984-04-24

Dobeck, B.

Prime-mover dynamo plants

Electric control

Engine control

F01D 1704

Patent

active

044450451

ABSTRACT:
A control system is provided for controlling the distribution of load among a plurality of generators when some of those generators respond quickly to control and some do not. The area control error signal is divided into portions to provide a unit error signal assigned to each generator. A control is utilized which responds to the unit error signal to reposition the governor motor until the error signal is reduced to zero. Applying that control to slow responding units requires anticipation of the generation changes to be expected after full response. Control from the unit error signal is modified in accordance with the difference between the desired generation for the units as required for economic considerations and the actual generation with that difference being modified by a signal which is a function of the actual generation. That function is expressable by the Laplace transform ##EQU1## .

REFERENCES:
patent: 2577003 (1951-12-01), Curtis
patent: 4136286 (1979-01-01), O'Halloran et al.
patent: 4287430 (1981-09-01), Guido
patent: 4305129 (1981-12-01), Yannone et al.
patent: 4327294 (1982-04-01), Smith et al.

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