Power plant and method of operation

Details Power plant and method of operation Power plant and method of operation

F - Mech Eng,Light,Heat,Weapons

01

K

60/155, 60/43

F01K 23/00 (2006.01)

Patent

CA 1130097

ABSTRACT OF THE DISCLOSURE The present invention provides a method for automatic control of a power plant including an electric generator and an expansion engine having a high-pressure section, a take-off chamber and a low-pressure section and coupled to the electric generator's shaft, in which method a control signal of the electric load of the electric generator is applied to a first control element which controls the flow rate of gas supplied from a gas line to the high-pressure section of the expansion engine, which controls the amount of gas discharged from the take-off chamber of the expansion engine to a gas main; a control signal of the pressure downstream of the expansion engine is applied to a second control element which controls the flow rate of a part of the gas flow supplied through the low-pressure section of the expansion engine to a controlled counterpressure gas line; the control signal of the pressure downstream of the expansion engine is applied to a third control element which controls the flow rate of the rest of the gas flow, which third control element is installed in a line that bypasses the expansion engine, whereby the rest of the gas flow is directed to the controlled counterpressure gas . line. The invention also provides an apparatus for use in the method.

318115

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